__init__.py
author Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
Wed, 13 Apr 2011 14:02:04 +0200
branchstable
changeset 7220 eb0f5f46138f
parent 6518 a3f6dff718b4
child 7879 9aae456abab5
permissions -rw-r--r--
[testlib] fix typos / NameErrors in devtools/__init__.py
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: 5081
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: 5081
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: 5081
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5081
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: 5081
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5081
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: 5081
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: 5081
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: 5081
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: 5081
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: 5081
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: 5081
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: 5081
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: 5081
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5081
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: 5081
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
"""CubicWeb is a generic framework to quickly build applications which describes
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    19
relations between entitites.
5881
57387070f612 [selectors] use before-registry-reset event to init is_instance cache: cleaner code and avoid reloading bug (making hooks test fail for instance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5451
diff changeset
    20
"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    21
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    22
__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    23
5451
7b2e9f774028 ignore annoying warnings about pygments already being imported and stuff being added to python path
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
    24
# ignore the pygments UserWarnings
7b2e9f774028 ignore annoying warnings about pygments already being imported and stuff being added to python path
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
    25
import warnings
7b2e9f774028 ignore annoying warnings about pygments already being imported and stuff being added to python path
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
    26
warnings.filterwarnings('ignore', category=UserWarning,
7b2e9f774028 ignore annoying warnings about pygments already being imported and stuff being added to python path
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
    27
                        message='.*was already imported',
7b2e9f774028 ignore annoying warnings about pygments already being imported and stuff being added to python path
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
    28
                        module='.*pygments')
7b2e9f774028 ignore annoying warnings about pygments already being imported and stuff being added to python path
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
    29
7b2e9f774028 ignore annoying warnings about pygments already being imported and stuff being added to python path
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
    30
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    31
import __builtin__
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    32
# '_' is available in builtins to mark internationalized string but should
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    33
# not be used to do the actual translation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    34
if not hasattr(__builtin__, '_'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    35
    __builtin__._ = unicode
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    36
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    37
CW_SOFTWARE_ROOT = __path__[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    38
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    39
import sys, os, logging
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    40
from StringIO import StringIO
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    41
1741
fe5266f0f88c use lgc implementation
sylvain.thenault@logilab.fr
parents: 1498
diff changeset
    42
from logilab.common.logging_ext import set_log_methods
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    43
3669
4eb33ee29c84 nicer create_entity implementation (and test)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3667
diff changeset
    44
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    45
if os.environ.get('APYCOT_ROOT'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    46
    logging.basicConfig(level=logging.CRITICAL)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    47
else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    48
    logging.basicConfig()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    49
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2790
diff changeset
    50
from cubicweb.__pkginfo__ import version as __version__
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2790
diff changeset
    51
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    52
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    53
set_log_methods(sys.modules[__name__], logging.getLogger('cubicweb'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    54
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    55
# make all exceptions accessible from the package
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    56
from cubicweb._exceptions import *
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    57
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    58
# convert eid to the right type, raise ValueError if it's not a valid eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    59
typed_eid = int
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    60
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    61
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    62
#def log_thread(f, w, a):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    63
#    print f.f_code.co_filename, f.f_code.co_name
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    64
#import threading
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    65
#threading.settrace(log_thread)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    66
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    67
class Binary(StringIO):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    68
    """customize StringIO to make sure we don't use unicode"""
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1741
diff changeset
    69
    def __init__(self, buf=''):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    70
        assert isinstance(buf, (str, buffer)), \
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    71
               "Binary objects must use raw strings, not %s" % buf.__class__
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    72
        StringIO.__init__(self, buf)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    73
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    74
    def write(self, data):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    75
        assert isinstance(data, (str, buffer)), \
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    76
               "Binary objects must use raw strings, not %s" % data.__class__
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    77
        StringIO.write(self, data)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    78
4475
37c413a07216 kill most pre 3.2 bw compat code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4252
diff changeset
    79
# use this dictionary to rename entity types while keeping bw compat
37c413a07216 kill most pre 3.2 bw compat code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4252
diff changeset
    80
ETYPE_NAME_MAP = {}
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    81
4475
37c413a07216 kill most pre 3.2 bw compat code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4252
diff changeset
    82
# XXX cubic web cube migration map. See if it's worth keeping this mecanism
37c413a07216 kill most pre 3.2 bw compat code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4252
diff changeset
    83
#     to help in cube renaming
37c413a07216 kill most pre 3.2 bw compat code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4252
diff changeset
    84
CW_MIGRATION_MAP = {}
231
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    85
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    86
def neg_role(role):
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    87
    if role == 'subject':
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    88
        return 'object'
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    89
    return 'subject'
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    90
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    91
def role(obj):
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    92
    try:
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    93
        return obj.role
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    94
    except AttributeError:
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    95
        return neg_role(obj.target)
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    96
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    97
def target(obj):
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    98
    try:
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
    99
        return obj.target
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
   100
    except AttributeError:
d740f5f55d30 some mini function to ease role (subject/object) manipulation
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
   101
        return neg_role(obj.role)
1498
2c6eec0b46b9 fix imports, cleanup, repair some ajax calls
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   102
2683
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   103
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   104
class CubicWebEventManager(object):
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   105
    """simple event / callback manager.
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   106
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   107
    Typical usage to register a callback::
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   108
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   109
      >>> from cubicweb import CW_EVENT_MANAGER
2705
30bcdbd92820 [events] renamed source-reload into registry-reload to avoid potential confusions with datasources
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2689
diff changeset
   110
      >>> CW_EVENT_MANAGER.bind('after-registry-reload', mycallback)
2683
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   111
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   112
    Typical usage to emit an event::
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   113
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   114
      >>> from cubicweb import CW_EVENT_MANAGER
2705
30bcdbd92820 [events] renamed source-reload into registry-reload to avoid potential confusions with datasources
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2689
diff changeset
   115
      >>> CW_EVENT_MANAGER.emit('after-registry-reload')
2683
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   116
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   117
    emit() accepts an additional context parameter that will be passed
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   118
    to the callback if specified (and only in that case)
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   119
    """
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   120
    def __init__(self):
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   121
        self.callbacks = {}
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   122
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   123
    def bind(self, event, callback, *args, **kwargs):
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   124
        self.callbacks.setdefault(event, []).append( (callback, args, kwargs) )
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   125
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   126
    def emit(self, event, context=None):
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   127
        for callback, args, kwargs in self.callbacks.get(event, ()):
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   128
            if context is None:
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   129
                callback(*args, **kwargs)
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   130
            else:
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   131
                callback(context, *args, **kwargs)
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   132
52b1a86c1913 introduce a new CubicwebEventManager
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2647
diff changeset
   133
CW_EVENT_MANAGER = CubicWebEventManager()
2689
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   134
5081
2ea98b8512dd [events manager] onevent decorator may be given extra arguments to give to em.bind
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4475
diff changeset
   135
def onevent(event, *args, **kwargs):
2689
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   136
    """decorator to ease event / callback binding
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   137
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   138
    >>> from cubicweb import onevent
2705
30bcdbd92820 [events] renamed source-reload into registry-reload to avoid potential confusions with datasources
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2689
diff changeset
   139
    >>> @onevent('before-registry-reload')
2689
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   140
    ... def mycallback():
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   141
    ...     print 'hello'
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   142
    ...
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   143
    >>>
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   144
    """
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   145
    def _decorator(func):
5081
2ea98b8512dd [events manager] onevent decorator may be given extra arguments to give to em.bind
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4475
diff changeset
   146
        CW_EVENT_MANAGER.bind(event, func, *args, **kwargs)
2689
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   147
        return func
44f041222d0f [autoreload] handle uicfg reloading properly with the new event / callback mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2683
diff changeset
   148
    return _decorator