selectors.py
author sylvain.thenault@logilab.fr
Fri, 24 Apr 2009 09:20:43 +0200
branchtls-sprint
changeset 1469 ba9759972b52
parent 1301 4596ce9bb4dc
child 1472 96e06e623494
permissions -rw-r--r--
delete-trailing-whitespaces
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
     1
"""This file contains some basic selectors required by application objects.
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
     2
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
     3
A selector is responsible to score how well an object may be used with a
718
f7011679437a doc update, move yes_registerer here
sylvain.thenault@logilab.fr
parents: 697
diff changeset
     4
given context by returning a score.
f7011679437a doc update, move yes_registerer here
sylvain.thenault@logilab.fr
parents: 697
diff changeset
     5
f7011679437a doc update, move yes_registerer here
sylvain.thenault@logilab.fr
parents: 697
diff changeset
     6
In CubicWeb Usually the context consists for a request object, a result set
f7011679437a doc update, move yes_registerer here
sylvain.thenault@logilab.fr
parents: 697
diff changeset
     7
or None, a specific row/col in the result set, etc...
f7011679437a doc update, move yes_registerer here
sylvain.thenault@logilab.fr
parents: 697
diff changeset
     8
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
     9
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    10
If you have trouble with selectors, especially if the objet (typically
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    11
a view or a component) you want to use is not selected and you want to
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    12
know which one(s) of its selectors fail (e.g. returns 0), you can use
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    13
`traced_selection` or even direclty `TRACED_OIDS`.
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    14
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    15
`TRACED_OIDS` is a tuple of traced object ids. The special value
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    16
'all' may be used to log selectors for all objects.
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    17
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    18
For instance, say that the following code yields a `NoSelectableObject`
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    19
exception::
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    20
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    21
    self.view('calendar', myrset)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    22
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    23
You can log the selectors involved for *calendar* by replacing the line
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    24
above by::
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    25
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    26
    # in Python2.5
692
800592b8d39b replace deprecated cubicweb.common.selectors by its new module path (cubicweb.selectors)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 660
diff changeset
    27
    from cubicweb.selectors import traced_selection
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    28
    with traced_selection():
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    29
        self.view('calendar', myrset)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    30
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    31
    # in Python2.4
692
800592b8d39b replace deprecated cubicweb.common.selectors by its new module path (cubicweb.selectors)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 660
diff changeset
    32
    from cubicweb import selectors
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    33
    selectors.TRACED_OIDS = ('calendar',)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    34
    self.view('calendar', myrset)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    35
    selectors.TRACED_OIDS = ()
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    36
 
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    37
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    38
:organization: Logilab
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    39
:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    40
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    41
"""
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    42
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    43
__docformat__ = "restructuredtext en"
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    44
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    45
import logging
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    46
from warnings import warn
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    47
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    48
from logilab.common.compat import all
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    49
from logilab.common.deprecation import deprecated_function
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    50
from logilab.common.interface import implements as implements_iface
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    51
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    52
from yams import BASE_TYPES
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    53
810
154bf8cfd65b missing import
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 789
diff changeset
    54
from cubicweb import Unauthorized, NoSelectableObject, NotAnEntity, role
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
    55
from cubicweb.vregistry import (NoSelectableObject, Selector,
1132
96752791c2b6 pylint cleanup
sylvain.thenault@logilab.fr
parents: 1037
diff changeset
    56
                                chainall, objectify_selector)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    57
from cubicweb.cwconfig import CubicWebConfiguration
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    58
from cubicweb.schema import split_expression
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    59
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    60
# helpers for debugging selectors
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    61
SELECTOR_LOGGER = logging.getLogger('cubicweb.selectors')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    62
TRACED_OIDS = ()
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    63
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    64
def lltrace(selector):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    65
    # don't wrap selectors if not in development mode
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    66
    if CubicWebConfiguration.mode == 'installed':
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    67
        return selector
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    68
    def traced(cls, *args, **kwargs):
752
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    69
        # /!\ lltrace decorates pure function or __call__ method, this
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    70
        #     means argument order may be different
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    71
        if isinstance(cls, Selector):
779
8510e14335e1 implements some str, fix implements selector, test and fixes
sylvain.thenault@logilab.fr
parents: 774
diff changeset
    72
            selname = str(cls)
752
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    73
            vobj = args[0]
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    74
        else:
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    75
            selname = selector.__name__
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    76
            vobj = cls
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    77
        oid = vobj.id
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    78
        ret = selector(cls, *args, **kwargs)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    79
        if TRACED_OIDS == 'all' or oid in TRACED_OIDS:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    80
            #SELECTOR_LOGGER.warning('selector %s returned %s for %s', selname, ret, cls)
752
c0506c4a1e6c fix lltrace to consider __call__ and pure functions decoration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 737
diff changeset
    81
            print 'selector %s returned %s for %s' % (selname, ret, vobj)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    82
        return ret
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    83
    traced.__name__ = selector.__name__
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    84
    return traced
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    85
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    86
class traced_selection(object):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    87
    """selector debugging helper.
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    88
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    89
    Typical usage is :
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    90
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    91
    >>> with traced_selection():
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    92
    ...     # some code in which you want to debug selectors
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    93
    ...     # for all objects
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    94
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    95
    or
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    96
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    97
    >>> with traced_selection( ('oid1', 'oid2') ):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    98
    ...     # some code in which you want to debug selectors
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
    99
    ...     # for objects with id 'oid1' and 'oid2'
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   100
    
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   101
    """
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   102
    def __init__(self, traced='all'):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   103
        self.traced = traced
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   104
        
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   105
    def __enter__(self):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   106
        global TRACED_OIDS
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   107
        TRACED_OIDS = self.traced
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   108
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   109
    def __exit__(self, exctype, exc, traceback):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   110
        global TRACED_OIDS
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   111
        TRACED_OIDS = ()
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   112
        return traceback is None
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   113
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   114
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   115
# abstract selectors ##########################################################
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   116
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   117
class PartialSelectorMixIn(object):
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   118
    """convenience mix-in for selectors that will look into the containing
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   119
    class to find missing information.
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   120
    
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   121
    cf. `cubicweb.web.action.LinkToEntityAction` for instance
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   122
    """
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   123
    def __call__(self, cls, *args, **kwargs):
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   124
        self.complete(cls)
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   125
        return super(PartialSelectorMixIn, self).__call__(cls, *args, **kwargs)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   126
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   127
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   128
class ImplementsMixIn(object):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   129
    """mix-in class for selectors checking implemented interfaces of something
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   130
    """
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   131
    def __init__(self, *expected_ifaces):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   132
        super(ImplementsMixIn, self).__init__()
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   133
        self.expected_ifaces = expected_ifaces
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   134
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   135
    def __str__(self):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   136
        return '%s(%s)' % (self.__class__.__name__,
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   137
                           ','.join(str(s) for s in self.expected_ifaces))
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   138
    
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   139
    def score_interfaces(self, cls_or_inst, cls):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   140
        score = 0
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   141
        vreg, eschema = cls_or_inst.vreg, cls_or_inst.e_schema
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   142
        for iface in self.expected_ifaces:
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   143
            if isinstance(iface, basestring):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   144
                # entity type
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   145
                try:
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   146
                    iface = vreg.etype_class(iface)
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   147
                except KeyError:
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   148
                    continue # entity type not in the schema
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   149
            if implements_iface(cls_or_inst, iface):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   150
                if getattr(iface, '__registry__', None) == 'etypes':
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   151
                    # adjust score if the interface is an entity class
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   152
                    if iface is cls:
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   153
                        score += len(eschema.ancestors()) + 4
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   154
                    else: 
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   155
                        parents = [e.type for e in eschema.ancestors()]
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   156
                        for index, etype in enumerate(reversed(parents)):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   157
                            basecls = vreg.etype_class(etype)
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   158
                            if iface is basecls:
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   159
                                score += index + 3
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   160
                                break
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   161
                        else: # Any
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   162
                            score += 1
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   163
                else:
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   164
                    # implenting an interface takes precedence other special Any
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   165
                    # interface
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   166
                    score += 2
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   167
        return score
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   168
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   169
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   170
class EClassSelector(Selector):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   171
    """abstract class for selectors working on the entity classes of the result
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   172
    set. Its __call__ method has the following behaviour:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   173
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   174
    * if row is specified, return the score returned by the score_class method
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   175
      called with the entity class found in the specified cell
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   176
    * else return the sum of score returned by the score_class method for each
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   177
      entity type found in the specified column, unless:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   178
      - `once_is_enough` is True, in which case the first non-zero score is
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   179
        returned
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   180
      - `once_is_enough` is False, in which case if score_class return 0, 0 is
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   181
        returned
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   182
    """
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   183
    def __init__(self, once_is_enough=False):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   184
        self.once_is_enough = once_is_enough
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   185
    
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   186
    @lltrace
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   187
    def __call__(self, cls, req, rset, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   188
        if not rset:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   189
            return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   190
        score = 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   191
        if row is None:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   192
            for etype in rset.column_types(col):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   193
                if etype is None: # outer join
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   194
                    continue
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   195
                escore = self.score(cls, req, etype)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   196
                if not escore and not self.once_is_enough:
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   197
                    return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   198
                elif self.once_is_enough:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   199
                    return escore
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   200
                score += escore
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   201
        else:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   202
            etype = rset.description[row][col]
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   203
            if etype is not None:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   204
                score = self.score(cls, req, etype)
779
8510e14335e1 implements some str, fix implements selector, test and fixes
sylvain.thenault@logilab.fr
parents: 774
diff changeset
   205
        return score
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   206
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   207
    def score(self, cls, req, etype):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   208
        if etype in BASE_TYPES:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   209
            return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   210
        return self.score_class(cls.vreg.etype_class(etype), req)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   211
        
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   212
    def score_class(self, eclass, req):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   213
        raise NotImplementedError()
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   214
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   215
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   216
class EntitySelector(EClassSelector):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   217
    """abstract class for selectors working on the entity instances of the
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   218
    result set. Its __call__ method has the following behaviour:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   219
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   220
    * if 'entity' find in kwargs, return the score returned by the score_entity
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   221
      method for this entity
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   222
    * if row is specified, return the score returned by the score_entity method
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   223
      called with the entity instance found in the specified cell
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   224
    * else return the sum of score returned by the score_entity method for each
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   225
      entity found in the specified column, unless:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   226
      - `once_is_enough` is True, in which case the first non-zero score is
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   227
        returned
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   228
      - `once_is_enough` is False, in which case if score_class return 0, 0 is
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   229
        returned
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   230
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   231
    note: None values (resulting from some outer join in the query) are not
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   232
          considered.
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   233
    """
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   234
    
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   235
    @lltrace
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   236
    def __call__(self, cls, req, rset, row=None, col=0, **kwargs):
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   237
        if not rset and not kwargs.get('entity'):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   238
            return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   239
        score = 0
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   240
        if kwargs.get('entity'):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   241
            score = self.score_entity(kwargs['entity'])
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   242
        elif row is None:
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   243
            for row, rowvalue in enumerate(rset.rows):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   244
                if rowvalue[col] is None: # outer join
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   245
                    continue
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
   246
                escore = self.score(req, rset, row, col)
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   247
                if not escore and not self.once_is_enough:
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   248
                    return 0
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   249
                elif self.once_is_enough:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   250
                    return escore
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   251
                score += escore
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   252
        else:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   253
            etype = rset.description[row][col]
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   254
            if etype is not None: # outer join
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   255
                score = self.score(req, rset, row, col)
779
8510e14335e1 implements some str, fix implements selector, test and fixes
sylvain.thenault@logilab.fr
parents: 774
diff changeset
   256
        return score
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   257
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   258
    def score(self, req, rset, row, col):
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   259
        try:
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   260
            return self.score_entity(rset.get_entity(row, col))
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   261
        except NotAnEntity:
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   262
            return 0
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   263
                                 
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   264
    def score_entity(self, entity):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   265
        raise NotImplementedError()
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   266
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   267
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   268
# very basic selectors ########################################################
1138
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   269
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   270
class yes(Selector):
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   271
    """return arbitrary score"""
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   272
    def __init__(self, score=1):
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   273
        self.score = score
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   274
    def __call__(self, *args, **kwargs):
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   275
        return self.score
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   276
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   277
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   278
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   279
def none_rset(cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   280
    """accept no result set (e.g. given rset is None)"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   281
    if rset is None:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   282
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   283
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   284
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   285
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   286
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   287
def any_rset(cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   288
    """accept result set, whatever the number of result it contains"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   289
    if rset is not None:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   290
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   291
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   292
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   293
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   294
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   295
def nonempty_rset(cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   296
    """accept any non empty result set"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   297
    if rset is not None and rset.rowcount:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   298
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   299
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   300
    
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   301
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   302
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   303
def empty_rset(cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   304
    """accept empty result set"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   305
    if rset is not None and rset.rowcount == 0:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   306
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   307
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   308
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   309
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   310
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   311
def one_line_rset(cls, req, rset, row=None, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   312
    """if row is specified, accept result set with a single line of result,
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   313
    else accepts anyway
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   314
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   315
    if rset is not None and (row is not None or rset.rowcount == 1):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   316
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   317
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   318
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   319
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   320
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   321
def two_lines_rset(cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   322
    """accept result set with *at least* two lines of result"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   323
    if rset is not None and rset.rowcount > 1:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   324
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   325
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   326
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   327
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   328
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   329
def two_cols_rset(cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   330
    """accept result set with at least one line and two columns of result"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   331
    if rset is not None and rset.rowcount and len(rset.rows[0]) > 1:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   332
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   333
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   334
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   335
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   336
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   337
def paginated_rset(cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   338
    """accept result set with more lines than the page size.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   339
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   340
    Page size is searched in (respecting order):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   341
    * a page_size argument
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   342
    * a page_size form parameters
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   343
    * the navigation.page-size property
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   344
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   345
    page_size = kwargs.get('page_size')
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   346
    if page_size is None:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   347
        page_size = req.form.get('page_size')
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   348
        if page_size is None:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   349
            page_size = req.property_value('navigation.page-size')
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   350
        else:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   351
            page_size = int(page_size)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   352
    if rset is None or rset.rowcount <= page_size:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   353
        return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   354
    return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   355
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   356
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   357
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   358
def sorted_rset(cls, req, rset, row=None, col=0, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   359
    """accept sorted result set"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   360
    rqlst = rset.syntax_tree()
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   361
    if len(rqlst.children) > 1 or not rqlst.children[0].orderby:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   362
        return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   363
    return 2
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   364
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   365
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   366
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   367
def one_etype_rset(cls, req, rset, row=None, col=0, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   368
    """accept result set where entities in the specified column (or 0) are all
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   369
    of the same type
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   370
    """
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   371
    if rset is None:
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   372
        return 0
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   373
    if len(rset.column_types(col)) != 1:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   374
        return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   375
    return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   376
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   377
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   378
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   379
def two_etypes_rset(cls, req, rset, row=None, col=0, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   380
    """accept result set where entities in the specified column (or 0) are not
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   381
    of the same type
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   382
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   383
    if rset:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   384
        etypes = rset.column_types(col)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   385
        if len(etypes) > 1:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   386
            return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   387
    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   388
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   389
class non_final_entity(EClassSelector):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   390
    """accept if entity type found in the result set is non final.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   391
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   392
    See `EClassSelector` documentation for behaviour when row is not specified.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   393
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   394
    def score(self, cls, req, etype):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   395
        if etype in BASE_TYPES:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   396
            return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   397
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   398
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   399
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   400
@lltrace
828
394927376a01 two use cases for the 'not' selector
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 810
diff changeset
   401
def authenticated_user(cls, req, *args, **kwargs):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   402
    """accept if user is anonymous"""
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   403
    if req.cnx.anonymous_connection:
828
394927376a01 two use cases for the 'not' selector
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 810
diff changeset
   404
        return 0
394927376a01 two use cases for the 'not' selector
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 810
diff changeset
   405
    return 1
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   406
828
394927376a01 two use cases for the 'not' selector
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 810
diff changeset
   407
def anonymous_user():
394927376a01 two use cases for the 'not' selector
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 810
diff changeset
   408
    return ~ authenticated_user()
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   409
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   410
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   411
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   412
def primary_view(cls, req, rset, row=None, col=0, view=None, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   413
    """accept if view given as named argument is a primary view, or if no view
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   414
    is given
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   415
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   416
    if view is not None and not view.is_primary():
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   417
        return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   418
    return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   419
697
06807984e610 provide objectify_selector decorator for very simple selectors
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 696
diff changeset
   420
@objectify_selector
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   421
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   422
def match_context_prop(cls, req, rset, row=None, col=0, context=None,
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   423
                       **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   424
    """accept if:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   425
    * no context given
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   426
    * context (`basestring`) is matching the context property value for the
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   427
      given cls
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   428
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   429
    propval = req.property_value('%s.%s.context' % (cls.__registry__, cls.id))
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   430
    if not propval:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   431
        propval = cls.context
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   432
    if context is not None and propval and context != propval:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   433
        return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   434
    return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   435
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   436
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   437
class match_search_state(Selector):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   438
    """accept if the current request search state is in one of the expected
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   439
    states given to the initializer
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   440
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   441
    :param expected: either 'normal' or 'linksearch' (eg searching for an
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   442
                     object to create a relation with another)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   443
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   444
    def __init__(self, *expected):
774
48cb1f42e79c tell on which class the assertion's failed
sylvain.thenault@logilab.fr
parents: 770
diff changeset
   445
        assert expected, self
766
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   446
        self.expected = frozenset(expected)
779
8510e14335e1 implements some str, fix implements selector, test and fixes
sylvain.thenault@logilab.fr
parents: 774
diff changeset
   447
8510e14335e1 implements some str, fix implements selector, test and fixes
sylvain.thenault@logilab.fr
parents: 774
diff changeset
   448
    def __str__(self):
8510e14335e1 implements some str, fix implements selector, test and fixes
sylvain.thenault@logilab.fr
parents: 774
diff changeset
   449
        return '%s(%s)' % (self.__class__.__name__,
8510e14335e1 implements some str, fix implements selector, test and fixes
sylvain.thenault@logilab.fr
parents: 774
diff changeset
   450
                           ','.join(sorted(str(s) for s in self.expected)))
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   451
        
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   452
    @lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   453
    def __call__(self, cls, req, rset, row=None, col=0, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   454
        try:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   455
            if not req.search_state[0] in self.expected:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   456
                return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   457
        except AttributeError:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   458
            return 1 # class doesn't care about search state, accept it
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   459
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   460
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   461
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   462
class match_form_params(match_search_state):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   463
    """accept if parameters specified as initializer arguments are specified
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   464
    in request's form parameters
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   465
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   466
    :param *expected: parameters (eg `basestring`) which are expected to be
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   467
                      found in request's form parameters
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   468
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   469
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   470
    @lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   471
    def __call__(self, cls, req, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   472
        score = 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   473
        for param in self.expected:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   474
            val = req.form.get(param)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   475
            if not val:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   476
                return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   477
            score += 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   478
        return len(self.expected)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   479
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   480
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   481
class match_kwargs(match_search_state):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   482
    """accept if parameters specified as initializer arguments are specified
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   483
    in named arguments given to the selector
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   484
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   485
    :param *expected: parameters (eg `basestring`) which are expected to be
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   486
                      found in named arguments (kwargs)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   487
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   488
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   489
    @lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   490
    def __call__(self, cls, req, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   491
        for arg in self.expected:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   492
            if not arg in kwargs:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   493
                return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   494
        return len(self.expected)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   495
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   496
766
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   497
class match_user_groups(match_search_state):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   498
    """accept if logged users is in at least one of the given groups. Returned
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   499
    score is the number of groups in which the user is.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   500
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   501
    If the special 'owners' group is given:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   502
    * if row is specified check the entity at the given row/col is owned by the
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   503
      logged user
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   504
    * if row is not specified check all entities in col are owned by the logged
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   505
      user
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   506
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   507
    :param *required_groups: name of groups (`basestring`) in which the logged
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   508
                             user should be
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   509
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   510
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   511
    @lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   512
    def __call__(self, cls, req, rset=None, row=None, col=0, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   513
        user = req.user
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   514
        if user is None:
766
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   515
            return int('guests' in self.expected)
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   516
        score = user.matching_groups(self.expected)
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   517
        if not score and 'owners' in self.expected and rset:
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   518
            if row is not None:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   519
                if not user.owns(rset[row][col]):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   520
                    return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   521
                score = 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   522
            else:
766
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   523
                score = all(user.owns(r[col]) for r in rset)
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   524
        return score
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   525
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   526
1263
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   527
class match_view(match_search_state):
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   528
    """accept if the current view is in one of the expected vid given to the
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   529
    initializer
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   530
    """
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   531
    @lltrace
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   532
    def __call__(self, cls, req, rset, row=None, col=0, view=None, **kwargs):
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   533
        if view is None or not view.id in self.expected:
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   534
            return 0
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   535
        return 1
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   536
01152fffd593 backport default branch
sylvain.thenault@logilab.fr
parents: 1178
diff changeset
   537
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   538
class appobject_selectable(Selector):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   539
    """accept with another appobject is selectable using selector's input
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   540
    context.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   541
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   542
    :param registry: a registry name (`basestring`)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   543
    :param oid: an object identifier (`basestring`)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   544
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   545
    def __init__(self, registry, oid):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   546
        self.registry = registry
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   547
        self.oid = oid
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   548
        
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   549
    def __call__(self, cls, req, rset, *args, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   550
        try:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   551
            cls.vreg.select_object(self.registry, self.oid, req, rset, *args, **kwargs)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   552
            return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   553
        except NoSelectableObject:
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   554
            return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   555
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   556
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   557
# not so basic selectors ######################################################
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   558
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   559
class implements(ImplementsMixIn, EClassSelector):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   560
    """accept if entity classes found in the result set implements at least one
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   561
    of the interfaces given as argument. Returned score is the number of
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   562
    implemented interfaces.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   563
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   564
    See `EClassSelector` documentation for behaviour when row is not specified.
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   565
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   566
    :param *expected_ifaces: expected interfaces. An interface may be a class
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   567
                             or an entity type (e.g. `basestring`) in which case
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   568
                             the associated class will be searched in the
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   569
                             registry (at selection time)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   570
                             
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   571
    note: when interface is an entity class, the score will reflect class
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   572
          proximity so the most specific object'll be selected
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   573
    """
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   574
    def score_class(self, eclass, req):
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   575
        return self.score_interfaces(eclass, eclass)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   576
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   577
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   578
class specified_etype_implements(implements):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   579
    """accept if entity class specified using an 'etype' parameters in name
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   580
    argument or request form implements at least one of the interfaces given as
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   581
    argument. Returned score is the number of implemented interfaces.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   582
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   583
    :param *expected_ifaces: expected interfaces. An interface may be a class
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   584
                             or an entity type (e.g. `basestring`) in which case
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   585
                             the associated class will be searched in the
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   586
                             registry (at selection time)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   587
                             
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   588
    note: when interface is an entity class, the score will reflect class
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   589
          proximity so the most specific object'll be selected
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   590
    """
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   591
    
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   592
    @lltrace
789
sylvain.thenault@logilab.fr
parents: 788
diff changeset
   593
    def __call__(self, cls, req, *args, **kwargs):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   594
        try:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   595
            etype = req.form['etype']
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   596
        except KeyError:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   597
            try:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   598
                etype = kwargs['etype']
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   599
            except KeyError:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   600
                return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   601
        return self.score_class(cls.vreg.etype_class(etype), req)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   602
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   603
1301
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   604
class entity_implements(ImplementsMixIn, EntitySelector):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   605
    """accept if entity instances found in the result set implements at least one
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   606
    of the interfaces given as argument. Returned score is the number of
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   607
    implemented interfaces.
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   608
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   609
    See `EntitySelector` documentation for behaviour when row is not specified.
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   610
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   611
    :param *expected_ifaces: expected interfaces. An interface may be a class
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   612
                             or an entity type (e.g. `basestring`) in which case
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   613
                             the associated class will be searched in the
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   614
                             registry (at selection time)
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   615
                             
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   616
    note: when interface is an entity class, the score will reflect class
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   617
          proximity so the most specific object'll be selected
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   618
    """    
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   619
    def score_entity(self, entity):
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   620
        return self.score_interfaces(entity, entity.__class__)
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   621
4596ce9bb4dc EntitySelector base class now understand 'entity' in kwargs, new entity_implements selector
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   622
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   623
class relation_possible(EClassSelector):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   624
    """accept if entity class found in the result set support the relation.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   625
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   626
    See `EClassSelector` documentation for behaviour when row is not specified.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   627
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   628
    :param rtype: a relation type (`basestring`)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   629
    :param role: the role of the result set entity in the relation. 'subject' or
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   630
                 'object', default to 'subject'.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   631
    :param target_type: if specified, check the relation's end may be of this
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   632
                        target type (`basestring`)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   633
    :param action: a relation schema action (one of 'read', 'add', 'delete')
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   634
                   which must be granted to the logged user, else a 0 score will
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   635
                   be returned
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   636
    """
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   637
    def __init__(self, rtype, role='subject', target_etype=None,
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   638
                 action='read', once_is_enough=False):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   639
        super(relation_possible, self).__init__(once_is_enough)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   640
        self.rtype = rtype
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   641
        self.role = role
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   642
        self.target_etype = target_etype
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   643
        self.action = action
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   644
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   645
    @lltrace
657
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
   646
    def __call__(self, cls, req, *args, **kwargs):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   647
        rschema = cls.schema.rschema(self.rtype)
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   648
        if not (rschema.has_perm(req, self.action)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   649
                or rschema.has_local_role(self.action)):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   650
            return 0
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   651
        score = super(relation_possible, self).__call__(cls, req, *args, **kwargs)
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   652
        return score
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   653
        
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   654
    def score_class(self, eclass, req):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   655
        eschema = eclass.e_schema
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   656
        try:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   657
            if self.role == 'object':
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   658
                rschema = eschema.object_relation(self.rtype)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   659
            else:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   660
                rschema = eschema.subject_relation(self.rtype)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   661
        except KeyError:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   662
            return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   663
        if self.target_etype is not None:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   664
            try:
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   665
                if self.role == 'subject':
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   666
                    return int(self.target_etype in rschema.objects(eschema))
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   667
                else:
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   668
                    return int(self.target_etype in rschema.subjects(eschema))
1132
96752791c2b6 pylint cleanup
sylvain.thenault@logilab.fr
parents: 1037
diff changeset
   669
            except KeyError:
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   670
                return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   671
        return 1
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   672
876
f652660ae9a6 use relation_possible from within has_relation, fix another bug
sylvain.thenault@logilab.fr
parents: 839
diff changeset
   673
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   674
class partial_relation_possible(PartialSelectorMixIn, relation_possible):
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   675
    """partial version of the relation_possible selector
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   676
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   677
    The selector will look for class attributes to find its missing
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   678
    information. The list of attributes required on the class
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   679
    for this selector are:
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   680
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   681
    - `rtype`: same as `rtype` parameter of the `relation_possible` selector
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   682
    
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   683
    - `role`: this attribute will be passed to the `cubicweb.role` function
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   684
      to determine the role of class in the relation
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   685
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   686
    - `etype` (optional): the entity type on the other side of the relation
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   687
    
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   688
    :param action: a relation schema action (one of 'read', 'add', 'delete')
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   689
                   which must be granted to the logged user, else a 0 score will
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   690
                   be returned
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   691
    """
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   692
    def __init__(self, action='read', once_is_enough=False):
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   693
        super(partial_relation_possible, self).__init__(None, None, None,
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   694
                                                        action, once_is_enough)
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   695
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   696
    def complete(self, cls):
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   697
        self.rtype = cls.rtype
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   698
        self.role = role(cls)
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   699
        self.target_etype = getattr(cls, 'etype', None)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   700
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   701
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   702
class may_add_relation(EntitySelector):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   703
    """accept if the relation can be added to an entity found in the result set
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   704
    by the logged user.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   705
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   706
    See `EntitySelector` documentation for behaviour when row is not specified.
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   707
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   708
    :param rtype: a relation type (`basestring`)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   709
    :param role: the role of the result set entity in the relation. 'subject' or
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   710
                 'object', default to 'subject'.
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   711
    """
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   712
    
770
193b7e981ea9 each subclass of EntitySelector should call its __init__ method
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 769
diff changeset
   713
    def __init__(self, rtype, role='subject', once_is_enough=False):
193b7e981ea9 each subclass of EntitySelector should call its __init__ method
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 769
diff changeset
   714
        super(may_add_relation, self).__init__(once_is_enough)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   715
        self.rtype = rtype
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   716
        self.role = role
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   717
        
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   718
    def score_entity(self, entity):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   719
        rschema = entity.schema.rschema(self.rtype)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   720
        if self.role == 'subject':
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   721
            if not rschema.has_perm(entity.req, 'add', fromeid=entity.eid):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   722
                return 0
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   723
        elif not rschema.has_perm(entity.req, 'add', toeid=entity.eid):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   724
            return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   725
        return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   726
876
f652660ae9a6 use relation_possible from within has_relation, fix another bug
sylvain.thenault@logilab.fr
parents: 839
diff changeset
   727
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   728
class partial_may_add_relation(PartialSelectorMixIn, may_add_relation):
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   729
    """partial version of the may_add_relation selector
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   730
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   731
    The selector will look for class attributes to find its missing
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   732
    information. The list of attributes required on the class
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   733
    for this selector are:
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   734
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   735
    - `rtype`: same as `rtype` parameter of the `relation_possible` selector
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   736
    
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   737
    - `role`: this attribute will be passed to the `cubicweb.role` function
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   738
      to determine the role of class in the relation.
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   739
    
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   740
    :param action: a relation schema action (one of 'read', 'add', 'delete')
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   741
                   which must be granted to the logged user, else a 0 score will
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   742
                   be returned
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   743
    """
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   744
    def __init__(self, once_is_enough=False):
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   745
        super(partial_may_add_relation, self).__init__(None, None, once_is_enough)
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   746
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   747
    def complete(self, cls):
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   748
        self.rtype = cls.rtype
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   749
        self.role = role(cls)
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   750
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   751
    
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   752
class has_related_entities(EntitySelector):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   753
    """accept if entity found in the result set has some linked entities using
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   754
    the specified relation (optionaly filtered according to the specified target
876
f652660ae9a6 use relation_possible from within has_relation, fix another bug
sylvain.thenault@logilab.fr
parents: 839
diff changeset
   755
    type). Checks first if the relation is possible.
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   756
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   757
    See `EntitySelector` documentation for behaviour when row is not specified.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   758
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   759
    :param rtype: a relation type (`basestring`)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   760
    :param role: the role of the result set entity in the relation. 'subject' or
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   761
                 'object', default to 'subject'.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   762
    :param target_type: if specified, check the relation's end may be of this
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   763
                        target type (`basestring`)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   764
    """
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   765
    def __init__(self, rtype, role='subject', target_etype=None,
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   766
                 once_is_enough=False):
770
193b7e981ea9 each subclass of EntitySelector should call its __init__ method
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 769
diff changeset
   767
        super(has_related_entities, self).__init__(once_is_enough)
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   768
        self.rtype = rtype
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   769
        self.role = role
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   770
        self.target_etype = target_etype
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   771
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   772
    def score_entity(self, entity):
876
f652660ae9a6 use relation_possible from within has_relation, fix another bug
sylvain.thenault@logilab.fr
parents: 839
diff changeset
   773
        relpossel = relation_possible(self.rtype, self.role, self.target_etype)
f652660ae9a6 use relation_possible from within has_relation, fix another bug
sylvain.thenault@logilab.fr
parents: 839
diff changeset
   774
        if not relpossel.score_class(entity.__class__, entity.req):
f652660ae9a6 use relation_possible from within has_relation, fix another bug
sylvain.thenault@logilab.fr
parents: 839
diff changeset
   775
            return 0
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   776
        rset = entity.related(self.rtype, self.role)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   777
        if self.target_etype:
1011
22812cfe36b4 fix w/ rset with more than one column
sylvain.thenault@logilab.fr
parents: 876
diff changeset
   778
            return any(r for r in rset.description if r[0] == self.target_etype)
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 833
diff changeset
   779
        return rset and 1 or 0
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   780
833
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
   781
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   782
class partial_has_related_entities(PartialSelectorMixIn, has_related_entities):
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   783
    """partial version of the has_related_entities selector
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   784
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   785
    The selector will look for class attributes to find its missing
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   786
    information. The list of attributes required on the class
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   787
    for this selector are:
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   788
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   789
    - `rtype`: same as `rtype` parameter of the `relation_possible` selector
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   790
    
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   791
    - `role`: this attribute will be passed to the `cubicweb.role` function
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   792
      to determine the role of class in the relation.
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   793
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   794
    - `etype` (optional): the entity type on the other side of the relation
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   795
    
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   796
    :param action: a relation schema action (one of 'read', 'add', 'delete')
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   797
                   which must be granted to the logged user, else a 0 score will
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   798
                   be returned
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   799
    """
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   800
    def __init__(self, once_is_enough=False):
838
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   801
        super(partial_has_related_entities, self).__init__(None, None,
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   802
                                                           None, once_is_enough)
f2c56312b03a rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 835
diff changeset
   803
    def complete(self, cls):
782
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   804
        self.rtype = cls.rtype
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   805
        self.role = role(cls)
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   806
        self.target_etype = getattr(cls, 'etype', None)
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   807
01801a10c567 introduce abstract selectors to get rid of the my_selector() contagion
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 774
diff changeset
   808
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   809
class has_permission(EntitySelector):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   810
    """accept if user has the permission to do the requested action on a result
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   811
    set entity.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   812
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   813
    * if row is specified, return 1 if user has the permission on the entity
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   814
      instance found in the specified cell
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   815
    * else return a positive score if user has the permission for every entity
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   816
      in the found in the specified column
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   817
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   818
    note: None values (resulting from some outer join in the query) are not
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   819
          considered.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   820
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   821
    :param action: an entity schema action (eg 'read'/'add'/'delete'/'update')
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   822
    """
770
193b7e981ea9 each subclass of EntitySelector should call its __init__ method
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 769
diff changeset
   823
    def __init__(self, action, once_is_enough=False):
193b7e981ea9 each subclass of EntitySelector should call its __init__ method
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 769
diff changeset
   824
        super(has_permission, self).__init__(once_is_enough)
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   825
        self.action = action
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   826
        
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   827
    @lltrace
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   828
    def __call__(self, cls, req, rset, row=None, col=0, **kwargs):
788
d62fb3e9797d protect against None rset
sylvain.thenault@logilab.fr
parents: 784
diff changeset
   829
        if rset is None:
d62fb3e9797d protect against None rset
sylvain.thenault@logilab.fr
parents: 784
diff changeset
   830
            return 0
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   831
        user = req.user
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   832
        action = self.action
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   833
        if row is None:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   834
            score = 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   835
            need_local_check = [] 
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   836
            geteschema = cls.schema.eschema
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   837
            for etype in rset.column_types(0):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   838
                if etype in BASE_TYPES:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   839
                    return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   840
                eschema = geteschema(etype)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   841
                if not user.matching_groups(eschema.get_groups(action)):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   842
                    if eschema.has_local_role(action):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   843
                        # have to ckeck local roles
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   844
                        need_local_check.append(eschema)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   845
                        continue
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   846
                    else:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   847
                        # even a local role won't be enough
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   848
                        return 0
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   849
                score += 1
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   850
            if need_local_check:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   851
                # check local role for entities of necessary types
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   852
                for i, row in enumerate(rset):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   853
                    if not rset.description[i][0] in need_local_check:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   854
                        continue
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
   855
                    if not self.score(req, rset, i, col):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   856
                        return 0
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   857
                score += 1
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   858
            return score
876
f652660ae9a6 use relation_possible from within has_relation, fix another bug
sylvain.thenault@logilab.fr
parents: 839
diff changeset
   859
        return self.score(req, rset, row, col)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   860
    
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   861
    def score_entity(self, entity):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   862
        if entity.has_perm(self.action):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   863
            return 1
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   864
        return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   865
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   866
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   867
class has_add_permission(EClassSelector):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   868
    """accept if logged user has the add permission on entity class found in the
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   869
    result set, and class is not a strict subobject.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   870
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   871
    See `EClassSelector` documentation for behaviour when row is not specified.
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   872
    """
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   873
    def score(self, cls, req, etype):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   874
        eschema = cls.schema.eschema(etype)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   875
        if not (eschema.is_final() or eschema.is_subobject(strict=True)) \
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   876
               and eschema.has_perm(req, 'add'):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   877
            return 1
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   878
        return 0
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   879
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   880
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   881
class rql_condition(EntitySelector):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   882
    """accept if an arbitrary rql return some results for an eid found in the
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   883
    result set. Returned score is the number of items returned by the rql
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   884
    condition.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   885
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   886
    See `EntitySelector` documentation for behaviour when row is not specified.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   887
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   888
    :param expression: basestring containing an rql expression, which should use
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   889
                       X variable to represent the context entity and may use U
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   890
                       to represent the logged user
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   891
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   892
    return the sum of the number of items returned by the rql condition as score
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   893
    or 0 at the first entity scoring to zero.
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   894
    """
766
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   895
    def __init__(self, expression, once_is_enough=False):
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
   896
        super(rql_condition, self).__init__(once_is_enough)
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   897
        if 'U' in frozenset(split_expression(expression)):
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   898
            rql = 'Any X WHERE X eid %%(x)s, U eid %%(u)s, %s' % expression
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   899
        else:
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   900
            rql = 'Any X WHERE X eid %%(x)s, %s' % expression
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   901
        self.rql = rql
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   902
        
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
   903
    def score(self, req, rset, row, col):
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   904
        try:
764
9de67b681624 some test fixes
sylvain.thenault@logilab.fr
parents: 759
diff changeset
   905
            return len(req.execute(self.rql, {'x': rset[row][col],
9de67b681624 some test fixes
sylvain.thenault@logilab.fr
parents: 759
diff changeset
   906
                                              'u': req.user.eid}, 'x'))
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   907
        except Unauthorized:
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   908
            return 0
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   909
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   910
        
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   911
class but_etype(EntitySelector):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   912
    """accept if the given entity types are not found in the result set.
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   913
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   914
    See `EntitySelector` documentation for behaviour when row is not specified.
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   915
    
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   916
    :param *etypes: entity types (`basestring`) which should be refused
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   917
    """
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   918
    def __init__(self, *etypes):
770
193b7e981ea9 each subclass of EntitySelector should call its __init__ method
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 769
diff changeset
   919
        super(but_etype, self).__init__()
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   920
        self.but_etypes = etypes
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   921
        
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   922
    def score(self, req, rset, row, col):
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   923
        if rset.description[row][col] in self.but_etypes:
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   924
            return 0
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   925
        return 1
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   926
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   927
                
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   928
class score_entity(EntitySelector):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   929
    """accept if some arbitrary function return a positive score for an entity
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   930
    found in the result set.
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   931
    
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   932
    See `EntitySelector` documentation for behaviour when row is not specified.
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
   933
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   934
    :param scorefunc: callable expected to take an entity as argument and to
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   935
                      return a score >= 0 
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   936
    """
764
9de67b681624 some test fixes
sylvain.thenault@logilab.fr
parents: 759
diff changeset
   937
    def __init__(self, scorefunc, once_is_enough=False):
1138
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1132
diff changeset
   938
        super(score_entity, self).__init__(once_is_enough)
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   939
        self.score_entity = scorefunc
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   940
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   941
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   942
# XXX DEPRECATED ##############################################################
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   943
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   944
yes_selector = deprecated_function(yes)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   945
norset_selector = deprecated_function(none_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   946
rset_selector = deprecated_function(any_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   947
anyrset_selector = deprecated_function(nonempty_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   948
emptyrset_selector = deprecated_function(empty_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   949
onelinerset_selector = deprecated_function(one_line_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   950
twolinerset_selector = deprecated_function(two_lines_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   951
twocolrset_selector = deprecated_function(two_cols_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   952
largerset_selector = deprecated_function(paginated_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   953
sortedrset_selector = deprecated_function(sorted_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   954
oneetyperset_selector = deprecated_function(one_etype_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   955
multitype_selector = deprecated_function(two_etypes_rset)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   956
anonymous_selector = deprecated_function(anonymous_user)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   957
not_anonymous_selector = deprecated_function(authenticated_user)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   958
primaryview_selector = deprecated_function(primary_view)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   959
contextprop_selector = deprecated_function(match_context_prop)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
   960
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   961
def nfentity_selector(cls, req, rset, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   962
    return non_final_entity()(cls, req, rset, row, col)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   963
nfentity_selector = deprecated_function(nfentity_selector)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   964
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   965
def implement_interface(cls, req, rset, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   966
    return implements(*cls.accepts_interfaces)(cls, req, rset, row, col)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   967
_interface_selector = deprecated_function(implement_interface)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   968
interface_selector = deprecated_function(implement_interface)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   969
implement_interface = deprecated_function(implement_interface, 'use implements')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   970
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   971
def accept_etype(cls, req, *args, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   972
    """check etype presence in request form *and* accepts conformance"""
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   973
    return specified_etype_implements(*cls.accepts)(cls, req, *args)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   974
etype_form_selector = deprecated_function(accept_etype)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   975
accept_etype = deprecated_function(accept_etype, 'use specified_etype_implements')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   976
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   977
def searchstate_selector(cls, req, rset, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   978
    return match_search_state(cls.search_states)(cls, req, rset, row, col)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   979
searchstate_selector = deprecated_function(searchstate_selector)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   980
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   981
def match_user_group(cls, req, rset=None, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   982
    return match_user_groups(*cls.require_groups)(cls, req, rset, row, col, **kwargs)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   983
in_group_selector = deprecated_function(match_user_group)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   984
match_user_group = deprecated_function(match_user_group)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   985
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   986
def has_relation(cls, req, rset, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   987
    return relation_possible(cls.rtype, role(cls), cls.etype,
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   988
                             getattr(cls, 'require_permission', 'read'))(cls, req, rset, row, col, **kwargs)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   989
has_relation = deprecated_function(has_relation)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   990
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   991
def one_has_relation(cls, req, rset, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   992
    return relation_possible(cls.rtype, role(cls), cls.etype,
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   993
                             getattr(cls, 'require_permission', 'read',
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   994
                                     once_is_enough=True))(cls, req, rset, row, col, **kwargs)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   995
one_has_relation = deprecated_function(one_has_relation, 'use relation_possible selector')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   996
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   997
def accept_rset(cls, req, rset, row=None, col=0, **kwargs):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   998
    """simply delegate to cls.accept_rset method"""
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
   999
    return implements(*cls.accepts)(cls, req, rset, row=row, col=col)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1000
accept_rset_selector = deprecated_function(accept_rset)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1001
accept_rset = deprecated_function(accept_rset, 'use implements selector')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1002
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1003
accept = chainall(non_final_entity(), accept_rset, name='accept')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1004
accept_selector = deprecated_function(accept)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1005
accept = deprecated_function(accept, 'use implements selector')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1006
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1007
accept_one = deprecated_function(chainall(one_line_rset, accept,
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1008
                                          name='accept_one'))
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1009
accept_one_selector = deprecated_function(accept_one)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1010
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1011
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1012
def _rql_condition(cls, req, rset, row=None, col=0, **kwargs):
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1013
    if cls.condition:
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1014
        return rql_condition(cls.condition)(cls, req, rset, row, col)
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1015
    return 1
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1016
_rqlcondition_selector = deprecated_function(_rql_condition)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1017
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1018
rqlcondition_selector = deprecated_function(chainall(non_final_entity(), one_line_rset, _rql_condition,
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1019
                         name='rql_condition'))
649
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
  1020
    
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
  1021
def but_etype_selector(cls, req, rset, row=None, col=0, **kwargs):
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
  1022
    return but_etype(cls.etype)(cls, req, rset, row, col)
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
  1023
but_etype_selector = deprecated_function(but_etype_selector)
e5956e9ebef1 more doc, upgrade but_etype and appobject_selectable selectors
sylvain.thenault@logilab.fr
parents: 640
diff changeset
  1024
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1025
@lltrace
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1026
def etype_rtype_selector(cls, req, rset, row=None, col=0, **kwargs):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1027
    schema = cls.schema
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1028
    perm = getattr(cls, 'require_permission', 'read')
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1029
    if hasattr(cls, 'etype'):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1030
        eschema = schema.eschema(cls.etype)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1031
        if not (eschema.has_perm(req, perm) or eschema.has_local_role(perm)):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1032
            return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1033
    if hasattr(cls, 'rtype'):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1034
        rschema = schema.rschema(cls.rtype)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1035
        if not (rschema.has_perm(req, perm) or rschema.has_local_role(perm)):
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1036
            return 0
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1037
    return 1
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1038
etype_rtype_selector = deprecated_function(etype_rtype_selector)
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1039
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1040
#req_form_params_selector = deprecated_function(match_form_params) # form_params
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1041
#kwargs_selector = deprecated_function(match_kwargs) # expected_kwargs
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1042
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1043
# compound selectors ##########################################################
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1044
766
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
  1045
searchstate_accept = chainall(nonempty_rset(), accept,
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1046
                              name='searchstate_accept')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1047
searchstate_accept_selector = deprecated_function(searchstate_accept)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1048
766
33ede72b22b8 fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors
sylvain.thenault@logilab.fr
parents: 764
diff changeset
  1049
searchstate_accept_one = chainall(one_line_rset, accept, _rql_condition,
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1050
                                  name='searchstate_accept_one')
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1051
searchstate_accept_one_selector = deprecated_function(searchstate_accept_one)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1052
650
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1053
searchstate_accept = deprecated_function(searchstate_accept)
75b4c661f71b proper documentation, some bug fixes, upgrade some selectors
sylvain.thenault@logilab.fr
parents: 649
diff changeset
  1054
searchstate_accept_one = deprecated_function(searchstate_accept_one)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1055
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1056
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1057
def unbind_method(selector):
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1058
    def new_selector(registered):
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1059
        # get the unbound method
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1060
        if hasattr(registered, 'im_func'):
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1061
            registered = registered.im_func
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1062
        # don't rebind since it will be done automatically during
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1063
        # the assignment, inside the destination class body
657
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1064
        return selector(registered)
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1065
    new_selector.__name__ = selector.__name__
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1066
    return new_selector
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1067
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1068
657
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1069
def deprecate(registered, msg):
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1070
    # get the unbound method
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1071
    if hasattr(registered, 'im_func'):
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1072
        registered = registered.im_func
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1073
    def _deprecate(cls, vreg):
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1074
        warn(msg, DeprecationWarning)
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1075
        return registered(cls, vreg)
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1076
    return _deprecate
fd019f41aa2f work in progress - fix deprecation of EntityAction - fix various selectors bugs
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 656
diff changeset
  1077
    
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1078
@unbind_method
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1079
def require_group_compat(registered):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1080
    def plug_selector(cls, vreg):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1081
        cls = registered(cls, vreg)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1082
        if getattr(cls, 'require_groups', None):
654
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1083
            warn('use "match_user_groups(group1, group2)" instead of using require_groups',
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1084
                 DeprecationWarning)
731
ac4a94e50b60 some more s/__selectors__/__select__ but still more to come
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 723
diff changeset
  1085
            cls.__select__ &= match_user_groups(cls.require_groups)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1086
        return cls
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1087
    return plug_selector
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1088
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1089
@unbind_method
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1090
def accepts_compat(registered):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1091
    def plug_selector(cls, vreg):
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1092
        cls = registered(cls, vreg)
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1093
        if getattr(cls, 'accepts', None):
833
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1094
            warn('use "implements("EntityType", IFace)" instead of using accepts',
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1095
                 DeprecationWarning)
731
ac4a94e50b60 some more s/__selectors__/__select__ but still more to come
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 723
diff changeset
  1096
            cls.__select__ &= implements(*cls.accepts)
634
0badd061ce0f move cubicweb.common.selectors to cubicweb.selectors
sylvain.thenault@logilab.fr
parents:
diff changeset
  1097
        return cls
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1098
    return plug_selector
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1099
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1100
@unbind_method
833
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1101
def accepts_etype_compat(registered):
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1102
    def plug_selector(cls, vreg):
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1103
        cls = registered(cls, vreg)
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1104
        if getattr(cls, 'accepts', None):
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1105
            warn('use "specified_etype_implements("EntityType", IFace)" instead of using accepts',
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1106
                 DeprecationWarning)
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1107
            cls.__select__ &= specified_etype_implements(*cls.accepts)
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1108
        return cls
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1109
    return plug_selector
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1110
8c6bfd9158fb bw compat for selection for creation forms
sylvain.thenault@logilab.fr
parents: 828
diff changeset
  1111
@unbind_method
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1112
def condition_compat(registered):
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1113
    def plug_selector(cls, vreg):
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1114
        cls = registered(cls, vreg)
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1115
        if getattr(cls, 'condition', None):
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1116
            warn('use "use rql_condition(expression)" instead of using condition',
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1117
                 DeprecationWarning)
731
ac4a94e50b60 some more s/__selectors__/__select__ but still more to come
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 723
diff changeset
  1118
            cls.__select__ &= rql_condition(cls.condition)
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 634
diff changeset
  1119
        return cls
652
603c782dc092 various SyntaxErrors / missing import fixes + reorganization of the `registered` classmethod
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 650
diff changeset
  1120
    return plug_selector
654
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1121
     
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1122
@unbind_method
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1123
def has_relation_compat(registered):
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1124
    def plug_selector(cls, vreg):
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1125
        cls = registered(cls, vreg)
837
931e0dac47f0 type -> etype
sylvain.thenault@logilab.fr
parents: 835
diff changeset
  1126
        if getattr(cls, 'etype', None):
654
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1127
            warn('use relation_possible selector instead of using etype_rtype',
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1128
                 DeprecationWarning)
731
ac4a94e50b60 some more s/__selectors__/__select__ but still more to come
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 723
diff changeset
  1129
            cls.__select__ &= relation_possible(cls.rtype, role(cls),
ac4a94e50b60 some more s/__selectors__/__select__ but still more to come
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 723
diff changeset
  1130
                                                getattr(cls, 'etype', None),
ac4a94e50b60 some more s/__selectors__/__select__ but still more to come
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 723
diff changeset
  1131
                                                action=getattr(cls, 'require_permission', 'read'))
654
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1132
        return cls
36e87179e91d has_relation selector compat, fix some deprecation msg
sylvain.thenault@logilab.fr
parents: 652
diff changeset
  1133
    return plug_selector