vregistry.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 16 Jun 2010 09:21:49 +0200
changeset 5754 51179e0bb250
parent 5752 b0bb553e3be4
child 6014 a5e22657f6f4
permissions -rw-r--r--
[test] support for test on postgres database using the same mecanism as sqlite: one template database generated when necessary + actual test database created from the template * * * [test] reset postgres database between test of the same fixture
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     1
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     2
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     4
# This file is part of CubicWeb.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     6
# CubicWeb is free software: you can redistribute it and/or modify it under the
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     7
# terms of the GNU Lesser General Public License as published by the Free
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     8
# Software Foundation, either version 2.1 of the License, or (at your option)
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
     9
# any later version.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
    10
#
5424
8ecbcbff9777 replace logilab-common by CubicWeb in disclaimer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5421
diff changeset
    11
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
    12
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
    13
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
    14
# details.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
    16
# You should have received a copy of the GNU Lesser General Public License along
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
diff changeset
    17
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    18
"""
2308
b478c3a8ad2a typos, cleanup, lighter traced seletion output
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2173
diff changeset
    19
* the vregistry handles various types of objects interacting
b478c3a8ad2a typos, cleanup, lighter traced seletion output
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2173
diff changeset
    20
  together. The vregistry handles registration of dynamically loaded
b478c3a8ad2a typos, cleanup, lighter traced seletion output
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2173
diff changeset
    21
  objects and provides a convenient api to access those objects
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    22
  according to a context
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    23
2308
b478c3a8ad2a typos, cleanup, lighter traced seletion output
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2173
diff changeset
    24
* to interact with the vregistry, objects should inherit from the
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
    25
  AppObject abstract class
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
    26
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    27
* the selection procedure has been generalized by delegating to a
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
    28
  selector, which is responsible to score the appobject according to the
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    29
  current state (req, rset, row, col). At the end of the selection, if
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
    30
  a appobject class has been found, an instance of this class is
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
    31
  returned. The selector is instantiated at appobject registration
5693
8af6623f3d4e [pylint] fix detected name errors
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5651
diff changeset
    32
"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    33
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    34
__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    35
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    36
import sys
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    37
from os import listdir, stat
4719
aaed3f813ef8 kill dead/useless code as suggested by pylint
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4576
diff changeset
    38
from os.path import dirname, join, realpath, isdir, exists
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    39
from logging import getLogger
2083
f8f94c2951d3 add warning when rset isn't a named argument in select()
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2058
diff changeset
    40
from warnings import warn
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    41
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
    42
from logilab.common.deprecation import deprecated, class_moved
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
    43
from logilab.common.logging_ext import set_log_methods
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
    44
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
    45
from cubicweb import CW_SOFTWARE_ROOT
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
    46
from cubicweb import RegistryNotFound, ObjectNotFound, NoSelectableObject
5569
cb14af012a96 [adapters] refactoring fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5446
diff changeset
    47
from cubicweb.appobject import AppObject, class_regid
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    48
2025
010a4b0fe855 fix lookup of files to load when using CW_CUBES_PATH
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    49
def _toload_info(path, extrapath, _toload=None):
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    50
    """return a dictionary of <modname>: <modpath> and an ordered list of
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    51
    (file, module name) to load
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    52
    """
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    53
    from logilab.common.modutils import modpath_from_file
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    54
    if _toload is None:
2025
010a4b0fe855 fix lookup of files to load when using CW_CUBES_PATH
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    55
        assert isinstance(path, list)
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    56
        _toload = {}, []
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    57
    for fileordir in path:
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    58
        if isdir(fileordir) and exists(join(fileordir, '__init__.py')):
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    59
            subfiles = [join(fileordir, fname) for fname in listdir(fileordir)]
2025
010a4b0fe855 fix lookup of files to load when using CW_CUBES_PATH
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    60
            _toload_info(subfiles, extrapath, _toload)
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    61
        elif fileordir[-3:] == '.py':
5078
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    62
            modpath = modpath_from_file(fileordir, extrapath)
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    63
            # omit '__init__' from package's name to avoid loading that module
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    64
            # once for each name when it is imported by some other appobject
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    65
            # module. This supposes import in modules are done as::
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    66
            #
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    67
            #   from package import something
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    68
            #
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    69
            # not::
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    70
            #
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    71
            #  from package.__init__ import something
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    72
            #
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    73
            # which seems quite correct.
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    74
            if modpath[-1] == '__init__':
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    75
                modpath.pop()
ea66c4aabb47 [appobject imports] don't include __init__ in package's name. See comment for more info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    76
            modname = '.'.join(modpath)
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    77
            _toload[0][modname] = fileordir
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    78
            _toload[1].append((fileordir, modname))
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
    79
    return _toload
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    80
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    81
2821
526f44213b70 no need for a classid class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2820
diff changeset
    82
def classid(cls):
526f44213b70 no need for a classid class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2820
diff changeset
    83
    """returns a unique identifier for an appobject class"""
526f44213b70 no need for a classid class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2820
diff changeset
    84
    return '%s.%s' % (cls.__module__, cls.__name__)
526f44213b70 no need for a classid class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2820
diff changeset
    85
5093
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
    86
def class_registries(cls, registryname):
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
    87
    if registryname:
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
    88
        return (registryname,)
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
    89
    return cls.__registries__
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
    90
2829
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
    91
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
    92
class Registry(dict):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    93
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
    94
    def __init__(self, config):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
    95
        super(Registry, self).__init__()
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
    96
        self.config = config
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    97
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
    98
    def __getitem__(self, name):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    99
        """return the registry (dictionary of class objects) associated to
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   100
        this name
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   101
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   102
        try:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   103
            return super(Registry, self).__getitem__(name)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   104
        except KeyError:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   105
            raise ObjectNotFound(name), None, sys.exc_info()[-1]
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   106
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   107
    def initialization_completed(self):
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   108
        for appobjects in self.itervalues():
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   109
            for appobjectcls in appobjects:
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   110
                appobjectcls.__registered__(self)
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   111
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   112
    def register(self, obj, oid=None, clear=False):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   113
        """base method to add an object in the registry"""
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   114
        assert not '__abstract__' in obj.__dict__
2829
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   115
        oid = oid or class_regid(obj)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   116
        assert oid
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   117
        if clear:
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   118
            appobjects = self[oid] =  []
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   119
        else:
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   120
            appobjects = self.setdefault(oid, [])
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   121
        assert not obj in appobjects, \
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   122
               'object %s is already registered' % obj
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   123
        appobjects.append(obj)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   124
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   125
    def register_and_replace(self, obj, replaced):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   126
        # XXXFIXME this is a duplication of unregister()
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   127
        # remove register_and_replace in favor of unregister + register
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   128
        # or simplify by calling unregister then register here
2821
526f44213b70 no need for a classid class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2820
diff changeset
   129
        if not isinstance(replaced, basestring):
526f44213b70 no need for a classid class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2820
diff changeset
   130
            replaced = classid(replaced)
2829
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   131
        registered_objs = self.get(class_regid(obj), ())
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   132
        for index, registered in enumerate(registered_objs):
2821
526f44213b70 no need for a classid class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2820
diff changeset
   133
            if classid(registered) == replaced:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   134
                del registered_objs[index]
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   135
                break
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   136
        else:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   137
            self.warning('trying to replace an unregistered view %s by %s',
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   138
                         replaced, obj)
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   139
        self.register(obj)
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   140
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   141
    def unregister(self, obj):
2829
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   142
        clsid = classid(obj)
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   143
        oid = class_regid(obj)
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   144
        for registered in self.get(oid, ()):
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   145
            # use classid() to compare classes because vreg will probably
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   146
            # have its own version of the class, loaded through execfile
2829
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   147
            if classid(registered) == clsid:
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   148
                self[oid].remove(registered)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   149
                break
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   150
        else:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   151
            self.warning('can\'t remove %s, no id %s in the registry',
2829
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   152
                         clsid, oid)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   153
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   154
    def all_objects(self):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   155
        """return a list containing all objects in this registry.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   156
        """
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   157
        result = []
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   158
        for objs in self.values():
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   159
            result += objs
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   160
        return result
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   161
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   162
    # dynamic selection methods ################################################
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   163
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   164
    def object_by_id(self, oid, *args, **kwargs):
5143
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   165
        """return object with the `oid` identifier. Only one object is expected
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   166
        to be found.
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   167
5143
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   168
        raise :exc:`ObjectNotFound` if not object with id <oid> in <registry>
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   169
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   170
        raise :exc:`AssertionError` if there is more than one object there
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   171
        """
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   172
        objects = self[oid]
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   173
        assert len(objects) == 1, objects
2658
5535857eeaa5 [appobject selection process] drop the need for the .selected method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2657
diff changeset
   174
        return objects[0](*args, **kwargs)
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   175
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   176
    def select(self, oid, *args, **kwargs):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   177
        """return the most specific object among those with the given oid
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   178
        according to the given context.
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   179
5143
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   180
        raise :exc:`ObjectNotFound` if not object with id <oid> in <registry>
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   181
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   182
        raise :exc:`NoSelectableObject` if not object apply
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   183
        """
2769
1800aa0bf396 R [registry] changes in the API
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2689
diff changeset
   184
        return self._select_best(self[oid], *args, **kwargs)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   185
2769
1800aa0bf396 R [registry] changes in the API
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2689
diff changeset
   186
    def select_or_none(self, oid, *args, **kwargs):
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   187
        """return the most specific object among those with the given oid
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   188
        according to the given context, or None if no object applies.
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   189
        """
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   190
        try:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   191
            return self.select(oid, *args, **kwargs)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   192
        except (NoSelectableObject, ObjectNotFound):
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   193
            return None
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2844 2906
diff changeset
   194
    select_object = deprecated('[3.6] use select_or_none instead of select_object'
2769
1800aa0bf396 R [registry] changes in the API
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2689
diff changeset
   195
                               )(select_or_none)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   196
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   197
    def possible_objects(self, *args, **kwargs):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   198
        """return an iterator on possible objects in this registry for the given
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   199
        context
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   200
        """
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   201
        for appobjects in self.itervalues():
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   202
            try:
2769
1800aa0bf396 R [registry] changes in the API
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2689
diff changeset
   203
                yield self._select_best(appobjects, *args, **kwargs)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   204
            except NoSelectableObject:
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   205
                continue
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   206
2769
1800aa0bf396 R [registry] changes in the API
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2689
diff changeset
   207
    def _select_best(self, appobjects, *args, **kwargs):
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   208
        """return an instance of the most specific object according
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   209
        to parameters
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   210
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   211
        raise `NoSelectableObject` if not object apply
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   212
        """
2083
f8f94c2951d3 add warning when rset isn't a named argument in select()
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2058
diff changeset
   213
        if len(args) > 1:
3044
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3036
diff changeset
   214
            warn('[3.5] only the request param can not be named when calling select*',
2302
e0393451e9a5 fix stacklevel
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2181
diff changeset
   215
                 DeprecationWarning, stacklevel=3)
5095
eaf522b9b998 [optimisation] _select_best is used very intensivly. Peanuts optimization may count :)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5093
diff changeset
   216
        score, winners = 0, None
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   217
        for appobject in appobjects:
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   218
            appobjectscore = appobject.__select__(appobject, *args, **kwargs)
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   219
            if appobjectscore > score:
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   220
                score, winners = appobjectscore, [appobject]
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   221
            elif appobjectscore > 0 and appobjectscore == score:
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   222
                winners.append(appobject)
5095
eaf522b9b998 [optimisation] _select_best is used very intensivly. Peanuts optimization may count :)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5093
diff changeset
   223
        if winners is None:
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   224
            raise NoSelectableObject('args: %s\nkwargs: %s %s'
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   225
                                     % (args, kwargs.keys(),
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   226
                                        [repr(v) for v in appobjects]))
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   227
        if len(winners) > 1:
5572
df5551d697e8 [vreg] should raise exception on select ambiguity when running in test mode
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5569
diff changeset
   228
            # log in production environement / test, error while debugging
df5551d697e8 [vreg] should raise exception on select ambiguity when running in test mode
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5569
diff changeset
   229
            if self.config.debugmode or self.config.mode == 'test':
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   230
                raise Exception('select ambiguity, args: %s\nkwargs: %s %s'
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   231
                                % (args, kwargs.keys(),
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   232
                                   [repr(v) for v in winners]))
5103
2b242604fc42 [vreg] we do want the opposite...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5096
diff changeset
   233
            self.error('select ambiguity, args: %s\nkwargs: %s %s',
2b242604fc42 [vreg] we do want the opposite...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5096
diff changeset
   234
                       args, kwargs.keys(), [repr(v) for v in winners])
2658
5535857eeaa5 [appobject selection process] drop the need for the .selected method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2657
diff changeset
   235
        # return the result of calling the appobject
5535857eeaa5 [appobject selection process] drop the need for the .selected method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2657
diff changeset
   236
        return winners[0](*args, **kwargs)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   237
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2844 2906
diff changeset
   238
    select_best = deprecated('[3.6] select_best is now private')(_select_best)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   239
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   240
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   241
class VRegistry(dict):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   242
    """class responsible to register, propose and select the various
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   243
    elements used to build the web interface. Currently, we have templates,
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   244
    views, actions and components.
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   245
    """
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   246
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   247
    def __init__(self, config):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   248
        super(VRegistry, self).__init__()
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   249
        self.config = config
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   250
        # need to clean sys.path this to avoid import confusion pb (i.e.  having
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   251
        # the same module loaded as 'cubicweb.web.views' subpackage and as
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   252
        # views' or 'web.views' subpackage. This is mainly for testing purpose,
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   253
        # we should'nt need this in production environment
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   254
        for webdir in (join(dirname(realpath(__file__)), 'web'),
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   255
                       join(dirname(__file__), 'web')):
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   256
            if webdir in sys.path:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   257
                sys.path.remove(webdir)
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   258
        if CW_SOFTWARE_ROOT in sys.path:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   259
            sys.path.remove(CW_SOFTWARE_ROOT)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   260
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   261
    def reset(self):
2906
677fa98659a8 fix cw properties initialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2836
diff changeset
   262
        # don't use self.clear, we want to keep existing subdictionaries
677fa98659a8 fix cw properties initialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2836
diff changeset
   263
        for subdict in self.itervalues():
677fa98659a8 fix cw properties initialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2836
diff changeset
   264
            subdict.clear()
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   265
        self._lastmodifs = {}
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   266
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   267
    def __getitem__(self, name):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   268
        """return the registry (dictionary of class objects) associated to
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   269
        this name
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   270
        """
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   271
        try:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   272
            return super(VRegistry, self).__getitem__(name)
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   273
        except KeyError:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   274
            raise RegistryNotFound(name), None, sys.exc_info()[-1]
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   275
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   276
    # dynamic selection methods ################################################
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   277
2788
8d3dbe577d3a R put version info in deprecation warnings
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2771
diff changeset
   278
    @deprecated('[3.4] use vreg[registry].object_by_id(oid, *args, **kwargs)')
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   279
    def object_by_id(self, registry, oid, *args, **kwargs):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   280
        """return object in <registry>.<oid>
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   281
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   282
        raise `ObjectNotFound` if not object with id <oid> in <registry>
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   283
        raise `AssertionError` if there is more than one object there
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   284
        """
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   285
        return self[registry].object_by_id(oid)
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   286
2788
8d3dbe577d3a R put version info in deprecation warnings
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2771
diff changeset
   287
    @deprecated('[3.4] use vreg[registry].select(oid, *args, **kwargs)')
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   288
    def select(self, registry, oid, *args, **kwargs):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   289
        """return the most specific object in <registry>.<oid> according to
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   290
        the given context
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   291
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   292
        raise `ObjectNotFound` if not object with id <oid> in <registry>
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   293
        raise `NoSelectableObject` if not object apply
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   294
        """
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   295
        return self[registry].select(oid, *args, **kwargs)
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   296
2788
8d3dbe577d3a R put version info in deprecation warnings
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2771
diff changeset
   297
    @deprecated('[3.4] use vreg[registry].select_or_none(oid, *args, **kwargs)')
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   298
    def select_object(self, registry, oid, *args, **kwargs):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   299
        """return the most specific object in <registry>.<oid> according to
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   300
        the given context, or None if no object apply
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   301
        """
2770
356e9d7c356d R propagate registry API changes
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2769
diff changeset
   302
        return self[registry].select_or_none(oid, *args, **kwargs)
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   303
2788
8d3dbe577d3a R put version info in deprecation warnings
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2771
diff changeset
   304
    @deprecated('[3.4] use vreg[registry].possible_objects(*args, **kwargs)')
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   305
    def possible_objects(self, registry, *args, **kwargs):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   306
        """return an iterator on possible objects in <registry> for the given
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   307
        context
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   308
        """
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   309
        return self[registry].possible_objects(*args, **kwargs)
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   310
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   311
    # methods for explicit (un)registration ###################################
668
61b2328f9ed9 rename registration callback, clear argument to register
sylvain.thenault@logilab.fr
parents: 665
diff changeset
   312
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   313
    # default class, when no specific class set
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   314
    REGISTRY_FACTORY = {None: Registry}
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   315
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   316
    def registry_class(self, regid):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   317
        try:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   318
            return self.REGISTRY_FACTORY[regid]
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   319
        except KeyError:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   320
            return self.REGISTRY_FACTORY[None]
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   321
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   322
    def setdefault(self, regid):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   323
        try:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   324
            return self[regid]
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   325
        except KeyError:
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   326
            self[regid] = self.registry_class(regid)(self.config)
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   327
            return self[regid]
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   328
668
61b2328f9ed9 rename registration callback, clear argument to register
sylvain.thenault@logilab.fr
parents: 665
diff changeset
   329
#     def clear(self, key):
61b2328f9ed9 rename registration callback, clear argument to register
sylvain.thenault@logilab.fr
parents: 665
diff changeset
   330
#         regname, oid = key.split('.')
61b2328f9ed9 rename registration callback, clear argument to register
sylvain.thenault@logilab.fr
parents: 665
diff changeset
   331
#         self[regname].pop(oid, None)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2035
diff changeset
   332
695
356da23c57f1 try a register_all method
sylvain.thenault@logilab.fr
parents: 693
diff changeset
   333
    def register_all(self, objects, modname, butclasses=()):
5143
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   334
        """register all `objects` given. Objects which are not from the module
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   335
        `modname` or which are in `butclasses` won't be registered.
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   336
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   337
        Typical usage is:
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   338
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   339
        .. sourcecode:: python
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   340
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   341
            vreg.register_all(globals().values(), __name__, (ClassIWantToRegisterExplicitly,))
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   342
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   343
        So you get partially automatic registration, keeping manual registration
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   344
        for some object (to use
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   345
        :meth:`~cubicweb.cwvreg.CubicWebRegistry.register_and_replace` for
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   346
        instance)
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   347
        """
695
356da23c57f1 try a register_all method
sylvain.thenault@logilab.fr
parents: 693
diff changeset
   348
        for obj in objects:
356da23c57f1 try a register_all method
sylvain.thenault@logilab.fr
parents: 693
diff changeset
   349
            try:
356da23c57f1 try a register_all method
sylvain.thenault@logilab.fr
parents: 693
diff changeset
   350
                if obj.__module__ != modname or obj in butclasses:
356da23c57f1 try a register_all method
sylvain.thenault@logilab.fr
parents: 693
diff changeset
   351
                    continue
2829
054a8805da52 turn id into __id__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2821
diff changeset
   352
                oid = class_regid(obj)
695
356da23c57f1 try a register_all method
sylvain.thenault@logilab.fr
parents: 693
diff changeset
   353
            except AttributeError:
356da23c57f1 try a register_all method
sylvain.thenault@logilab.fr
parents: 693
diff changeset
   354
                continue
2587
79bbc5045288 [vreg] consider __abstract__ in register_all
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2308
diff changeset
   355
            if oid and not '__abstract__' in obj.__dict__:
5093
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   356
                self.register(obj, oid=oid)
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   357
668
61b2328f9ed9 rename registration callback, clear argument to register
sylvain.thenault@logilab.fr
parents: 665
diff changeset
   358
    def register(self, obj, registryname=None, oid=None, clear=False):
5143
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   359
        """register `obj` application object into `registryname` or
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   360
        `obj.__registry__` if not specified, with identifier `oid` or
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   361
        `obj.__regid__` if not specified.
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   362
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   363
        If `clear` is true, all objects with the same identifier will be
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   364
        previously unregistered.
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   365
        """
707
21a59b468f1a __selectors__ -> __select__
sylvain.thenault@logilab.fr
parents: 698
diff changeset
   366
        assert not '__abstract__' in obj.__dict__
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   367
        try:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   368
            vname = obj.__name__
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   369
        except AttributeError:
5096
e25979a6d795 [cleanup] add some notes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5095
diff changeset
   370
            # XXX may occurs?
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   371
            vname = obj.__class__.__name__
5093
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   372
        for registryname in class_registries(obj, registryname):
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   373
            registry = self.setdefault(registryname)
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   374
            registry.register(obj, oid=oid, clear=clear)
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   375
            self.debug('registered appobject %s in registry %s with id %s',
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   376
                       vname, registryname, oid or class_regid(obj))
5651
95f7285e85e2 [vreg] ensure you can register an object from module not known yet.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5607
diff changeset
   377
        self._loadedmods.setdefault(obj.__module__, {})[classid(obj)] = obj
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   378
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   379
    def unregister(self, obj, registryname=None):
5143
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   380
        """unregister `obj` application object from the registry `registryname` or
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   381
        `obj.__registry__` if not specified.
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   382
        """
5093
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   383
        for registryname in class_registries(obj, registryname):
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   384
            self[registryname].unregister(obj)
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   385
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   386
    def register_and_replace(self, obj, replaced, registryname=None):
5143
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   387
        """register `obj` application object into `registryname` or
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   388
        `obj.__registry__` if not specified. If found, the `replaced` object
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   389
        will be unregistered first (else a warning will be issued as it's
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   390
        generally unexpected).
43afbdd5c8b4 improved doc on selectors an vregistry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5103
diff changeset
   391
        """
5093
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   392
        for registryname in class_registries(obj, registryname):
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   393
            self[registryname].register_and_replace(obj, replaced)
665
1305da1ce3f9 reorganize a bit, some cleanup and fixes
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   394
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   395
    # initialization methods ###################################################
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   396
2035
946ed7349e1a bugfix: extrapath is optional arg for init_registration
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2025
diff changeset
   397
    def init_registration(self, path, extrapath=None):
5446
b018324198d4 [vreg] we should now reset in init_registration since we don't do it in __init__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5424
diff changeset
   398
        self.reset()
1316
6d71d38822ee introduce init_registration method and call it in repo initialization
sylvain.thenault@logilab.fr
parents: 1310
diff changeset
   399
        # compute list of all modules that have to be loaded
2025
010a4b0fe855 fix lookup of files to load when using CW_CUBES_PATH
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   400
        self._toloadmods, filemods = _toload_info(path, extrapath)
2651
3ad936634d2a [registry] when a source file is changed, reset and reload the whole registry
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2589
diff changeset
   401
        # XXX is _loadedmods still necessary ? It seems like it's useful
3ad936634d2a [registry] when a source file is changed, reset and reload the whole registry
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2589
diff changeset
   402
        #     to avoid loading same module twice, especially with the
3ad936634d2a [registry] when a source file is changed, reset and reload the whole registry
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2589
diff changeset
   403
        #     _load_ancestors_then_object logic but this needs to be checked
1316
6d71d38822ee introduce init_registration method and call it in repo initialization
sylvain.thenault@logilab.fr
parents: 1310
diff changeset
   404
        self._loadedmods = {}
6d71d38822ee introduce init_registration method and call it in repo initialization
sylvain.thenault@logilab.fr
parents: 1310
diff changeset
   405
        return filemods
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   406
5748
487ab6ac90cc [auto-reload] we should never call load_module with use_sys=False, that may lead to inconsistency with module interdependancy (eg module get imported by another one, then is reimported by the vreg to load its appobjects. Cleanup of sys.modules done before reloading should be enough.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5693
diff changeset
   407
    def register_objects(self, path, extrapath=None):
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2381
diff changeset
   408
        # load views from each directory in the instance's path
2025
010a4b0fe855 fix lookup of files to load when using CW_CUBES_PATH
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   409
        filemods = self.init_registration(path, extrapath)
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   410
        for filepath, modname in filemods:
5748
487ab6ac90cc [auto-reload] we should never call load_module with use_sys=False, that may lead to inconsistency with module interdependancy (eg module get imported by another one, then is reimported by the vreg to load its appobjects. Cleanup of sys.modules done before reloading should be enough.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5693
diff changeset
   411
            self.load_file(filepath, modname)
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   412
        self.initialization_completed()
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   413
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   414
    def initialization_completed(self):
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   415
        for regname, reg in self.iteritems():
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   416
            reg.initialization_completed()
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   417
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   418
    def _mdate(self, filepath):
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   419
        try:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   420
            return stat(filepath)[-2]
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   421
        except OSError:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   422
            # this typically happens on emacs backup files (.#foo.py)
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   423
            self.warning('Unable to load %s. It is likely to be a backup file',
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   424
                         filepath)
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   425
            return None
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   426
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   427
    def is_reload_needed(self, path):
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   428
        """return True if something module changed and the registry should be
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   429
        reloaded
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   430
        """
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   431
        lastmodifs = self._lastmodifs
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   432
        for fileordir in path:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   433
            if isdir(fileordir) and exists(join(fileordir, '__init__.py')):
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   434
                if self.is_reload_needed([join(fileordir, fname)
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   435
                                          for fname in listdir(fileordir)]):
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   436
                    return True
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   437
            elif fileordir[-3:] == '.py':
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   438
                mdate = self._mdate(fileordir)
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   439
                if mdate is None:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   440
                    continue # backup file, see _mdate implementation
5607
38d43dc5ee57 skip flymake junk when reloading
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
   441
                elif "flymake" in fileordir:
38d43dc5ee57 skip flymake junk when reloading
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
   442
                    # flymake + pylint in use, don't consider these they will corrupt the registry
38d43dc5ee57 skip flymake junk when reloading
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
   443
                    continue
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   444
                if fileordir not in lastmodifs or lastmodifs[fileordir] < mdate:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   445
                    self.info('File %s changed since last visit', fileordir)
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   446
                    return True
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   447
        return False
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   448
5748
487ab6ac90cc [auto-reload] we should never call load_module with use_sys=False, that may lead to inconsistency with module interdependancy (eg module get imported by another one, then is reimported by the vreg to load its appobjects. Cleanup of sys.modules done before reloading should be enough.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5693
diff changeset
   449
    def load_file(self, filepath, modname):
2651
3ad936634d2a [registry] when a source file is changed, reset and reload the whole registry
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2589
diff changeset
   450
        """load app objects from a python file"""
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   451
        from logilab.common.modutils import load_module_from_name
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   452
        if modname in self._loadedmods:
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   453
            return
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   454
        self._loadedmods[modname] = {}
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   455
        mdate = self._mdate(filepath)
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   456
        if mdate is None:
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   457
            return # backup file, see _mdate implementation
5607
38d43dc5ee57 skip flymake junk when reloading
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
   458
        elif "flymake" in filepath:
38d43dc5ee57 skip flymake junk when reloading
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
   459
            # flymake + pylint in use, don't consider these they will corrupt the registry
38d43dc5ee57 skip flymake junk when reloading
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
   460
            return
3565
4db55832e8a9 [vreg] fix reloading pb w/ module level error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3071
diff changeset
   461
        # set update time before module loading, else we get some reloading
4db55832e8a9 [vreg] fix reloading pb w/ module level error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3071
diff changeset
   462
        # weirdness in case of syntax error or other error while importing the
4db55832e8a9 [vreg] fix reloading pb w/ module level error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3071
diff changeset
   463
        # module
5273
c4caef6f09c9 [vreg] refactor the [re]loading process so things get clearer and fix spurious errors on edge cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5143
diff changeset
   464
        self._lastmodifs[filepath] = mdate
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   465
        # load the module
5748
487ab6ac90cc [auto-reload] we should never call load_module with use_sys=False, that may lead to inconsistency with module interdependancy (eg module get imported by another one, then is reimported by the vreg to load its appobjects. Cleanup of sys.modules done before reloading should be enough.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5693
diff changeset
   466
        module = load_module_from_name(modname)
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   467
        self.load_module(module)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   469
    def load_module(self, module):
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   470
        self.info('loading %s', module)
668
61b2328f9ed9 rename registration callback, clear argument to register
sylvain.thenault@logilab.fr
parents: 665
diff changeset
   471
        if hasattr(module, 'registration_callback'):
61b2328f9ed9 rename registration callback, clear argument to register
sylvain.thenault@logilab.fr
parents: 665
diff changeset
   472
            module.registration_callback(self)
660
5233a9457f6b work in progress, draft for manual registration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 652
diff changeset
   473
        else:
5233a9457f6b work in progress, draft for manual registration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 652
diff changeset
   474
            for objname, obj in vars(module).items():
5233a9457f6b work in progress, draft for manual registration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 652
diff changeset
   475
                if objname.startswith('_'):
5233a9457f6b work in progress, draft for manual registration
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 652
diff changeset
   476
                    continue
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   477
                self._load_ancestors_then_object(module.__name__, obj)
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   478
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   479
    def _load_ancestors_then_object(self, modname, appobjectcls):
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   480
        """handle automatic appobject class registration:
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   481
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   482
        - first ensure parent classes are already registered
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   483
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   484
        - class with __abstract__ == True in their local dictionnary or
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   485
          with a name starting starting by an underscore are not registered
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   486
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   487
        - appobject class needs to have __registry__ and __regid__ attributes
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   488
          set to a non empty string to be registered.
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   489
        """
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   490
        # imported classes
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   491
        objmodname = getattr(appobjectcls, '__module__', None)
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   492
        if objmodname != modname:
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   493
            if objmodname in self._toloadmods:
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   494
                self.load_file(self._toloadmods[objmodname], objmodname)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   495
            return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
        # skip non registerable object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
        try:
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   498
            if not issubclass(appobjectcls, AppObject):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
                return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
        except TypeError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
            return
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   502
        clsid = classid(appobjectcls)
2844
4657d6e16e0c use class_regid / classid functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2838
diff changeset
   503
        if clsid in self._loadedmods[modname]:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
            return
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   505
        self._loadedmods[modname][clsid] = appobjectcls
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   506
        for parent in appobjectcls.__bases__:
1310
99dfced5673e fix vobjects registration to deal with objects inter-dependancy
sylvain.thenault@logilab.fr
parents: 1282
diff changeset
   507
            self._load_ancestors_then_object(modname, parent)
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   508
        if (appobjectcls.__dict__.get('__abstract__')
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   509
            or appobjectcls.__name__[0] == '_'
5093
8d073d2e089d [optimization] improve massive write performance by optimizing hooks selection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5078
diff changeset
   510
            or not appobjectcls.__registries__
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   511
            or not class_regid(appobjectcls)):
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   512
            return
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
        try:
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   514
            self.register(appobjectcls)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
        except Exception, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
            if self.config.mode in ('test', 'dev'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
                raise
4491
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   518
            self.exception('appobject %s registration failed: %s',
a0f48c31b58a kill register_appobject_class method, simplifying autoregistration. Update test accordingly (test which manually registers object should also properly call there __register__ method). Drop the disable-appobjects config file entry: no one used it since its introduction years ago.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4490
diff changeset
   519
                           appobjectcls, ex)
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   520
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   521
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   522
# init logging
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   523
set_log_methods(VRegistry, getLogger('cubicweb.vreg'))
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2589
diff changeset
   524
set_log_methods(Registry, getLogger('cubicweb.registry'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
835
7dcb11dd443e fix relation_possible, ensure we return int
sylvain.thenault@logilab.fr
parents: 827
diff changeset
   527
# XXX bw compat functions #####################################################
693
cf0817dfc787 reimplements chainall/chainfirst using [And/Or], implemenent search_selector function on Selector base class
sylvain.thenault@logilab.fr
parents: 686
diff changeset
   528
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   529
from cubicweb.appobject import objectify_selector, AndSelector, OrSelector, Selector
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   530
2788
8d3dbe577d3a R put version info in deprecation warnings
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2771
diff changeset
   531
objectify_selector = deprecated('[3.4] objectify_selector has been moved to appobject module')(objectify_selector)
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   532
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   533
Selector = class_moved(Selector)
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   534
2788
8d3dbe577d3a R put version info in deprecation warnings
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2771
diff changeset
   535
@deprecated('[3.4] use & operator (binary and)')
693
cf0817dfc787 reimplements chainall/chainfirst using [And/Or], implemenent search_selector function on Selector base class
sylvain.thenault@logilab.fr
parents: 686
diff changeset
   536
def chainall(*selectors, **kwargs):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   537
    """return a selector chaining given selectors. If one of
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
    the selectors fail, selection will fail, else the returned score
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
    will be the sum of each selector'score
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
    assert selectors
759
e044f28372bd chainall / chainfirst ensures selectors are instantiated
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 741
diff changeset
   542
    # XXX do we need to create the AndSelector here, a tuple might be enough
780
5b6c93816871 fix selector search and refactor auto-instantiation
sylvain.thenault@logilab.fr
parents: 760
diff changeset
   543
    selector = AndSelector(*selectors)
693
cf0817dfc787 reimplements chainall/chainfirst using [And/Or], implemenent search_selector function on Selector base class
sylvain.thenault@logilab.fr
parents: 686
diff changeset
   544
    if 'name' in kwargs:
cf0817dfc787 reimplements chainall/chainfirst using [And/Or], implemenent search_selector function on Selector base class
sylvain.thenault@logilab.fr
parents: 686
diff changeset
   545
        selector.__name__ = kwargs['name']
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   546
    return selector
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
2788
8d3dbe577d3a R put version info in deprecation warnings
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2771
diff changeset
   548
@deprecated('[3.4] use | operator (binary or)')
693
cf0817dfc787 reimplements chainall/chainfirst using [And/Or], implemenent search_selector function on Selector base class
sylvain.thenault@logilab.fr
parents: 686
diff changeset
   549
def chainfirst(*selectors, **kwargs):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   550
    """return a selector chaining given selectors. If all
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   551
    the selectors fail, selection will fail, else the returned score
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   552
    will be the first non-zero selector score
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   553
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
    assert selectors
780
5b6c93816871 fix selector search and refactor auto-instantiation
sylvain.thenault@logilab.fr
parents: 760
diff changeset
   555
    selector = OrSelector(*selectors)
693
cf0817dfc787 reimplements chainall/chainfirst using [And/Or], implemenent search_selector function on Selector base class
sylvain.thenault@logilab.fr
parents: 686
diff changeset
   556
    if 'name' in kwargs:
cf0817dfc787 reimplements chainall/chainfirst using [And/Or], implemenent search_selector function on Selector base class
sylvain.thenault@logilab.fr
parents: 686
diff changeset
   557
        selector.__name__ = kwargs['name']
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   558
    return selector