utils.py
author Julien Cristau <julien.cristau@logilab.fr>
Wed, 11 Dec 2013 16:45:49 +0100
branchstable
changeset 9346 ab0cdd2d7f12
parent 9279 0814b9dd9bf3
child 9523 cd5738fc440f
permissions -rw-r--r--
Added tag cubicweb-debian-version-3.17.11-2 for changeset b02e2912cad5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
7140
ba51dac1115d [c-c create] unification of c-c create and its subcommands handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6931
diff changeset
     1
# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5389
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: 5389
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5389
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: 5389
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5389
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: 5389
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: 5389
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: 5389
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: 5389
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: 5389
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: 5389
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: 5389
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: 5389
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5389
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: 5389
diff changeset
    17
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
6044
9e48ebd5400c [view] use the new magic js object to generate javascript func call for auto reload user callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5940
diff changeset
    18
"""Some utilities for CubicWeb server/clients."""
7956
db49658b2812 add missing imports
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7954
diff changeset
    19
db49658b2812 add missing imports
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7954
diff changeset
    20
from __future__ import division, with_statement
db49658b2812 add missing imports
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7954
diff changeset
    21
0
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
3316
c4c07aab1c39 backport old head
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3231 3155
diff changeset
    24
import sys
c4c07aab1c39 backport old head
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3231 3155
diff changeset
    25
import decimal
4466
8b0ca7904820 moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4335
diff changeset
    26
import datetime
4653
ca11228a5268 import cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4652
diff changeset
    27
import random
7998
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
    28
import re
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
    29
7954
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
    30
from operator import itemgetter
6067
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    31
from inspect import getargspec
5069
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
    32
from itertools import repeat
4833
41a78fb4107c 3.7 depends on python >= 2.5
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4693
diff changeset
    33
from uuid import uuid4
4830
10e8bc190695 [javascript] fix #736185: add_onload / jQuery.bind() vs. jQuery.one()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4693
diff changeset
    34
from warnings import warn
7954
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
    35
from threading import Lock
8682
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
    36
from urlparse import urlparse
7954
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
    37
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
    38
from logging import getLogger
4653
ca11228a5268 import cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4652
diff changeset
    39
ca11228a5268 import cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4652
diff changeset
    40
from logilab.mtconverter import xml_escape
ca11228a5268 import cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4652
diff changeset
    41
from logilab.common.deprecation import deprecated
1549
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
    42
4830
10e8bc190695 [javascript] fix #736185: add_onload / jQuery.bind() vs. jQuery.one()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4693
diff changeset
    43
_MARKER = object()
10e8bc190695 [javascript] fix #736185: add_onload / jQuery.bind() vs. jQuery.one()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4693
diff changeset
    44
1024
bb96289257bf remove unused working_hours function, new todate function since we can't compare date and datetime objects
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
    45
# initialize random seed from current time
4653
ca11228a5268 import cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4652
diff changeset
    46
random.seed()
1024
bb96289257bf remove unused working_hours function, new todate function since we can't compare date and datetime objects
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
    47
4880
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    48
def make_uid(key=None):
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    49
    """Return a unique identifier string.
4653
ca11228a5268 import cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4652
diff changeset
    50
4880
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    51
    if specified, `key` is used to prefix the generated uid so it can be used
9232
430a7dc5e2cf [utils] fix typos in make_uid docstring
Julien Cristau <julien.cristau@logilab.fr>
parents: 8941
diff changeset
    52
    for instance as a DOM id or as sql table name.
4653
ca11228a5268 import cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4652
diff changeset
    53
4880
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    54
    See uuid.uuid4 documentation for the shape of the generated identifier, but
9232
430a7dc5e2cf [utils] fix typos in make_uid docstring
Julien Cristau <julien.cristau@logilab.fr>
parents: 8941
diff changeset
    55
    this is basically a 32 bits hexadecimal string.
4880
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    56
    """
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    57
    if key is None:
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    58
        return uuid4().hex
fa6671e83639 [utils] make_uid imrovment: using .hex already remove '-', make key argument optional, document it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4879
diff changeset
    59
    return str(key) + uuid4().hex
3364
039d1694f36d fix uid generation for py >= 2.5
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3316
diff changeset
    60
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    61
6067
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    62
def support_args(callable, *argnames):
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    63
    """return true if the callable support given argument names"""
6913
ab85124dc0eb [utils] support_args now support classes, searching if __init__ supports the arguments
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6684
diff changeset
    64
    if isinstance(callable, type):
ab85124dc0eb [utils] support_args now support classes, searching if __init__ supports the arguments
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6684
diff changeset
    65
        callable = callable.__init__
6067
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    66
    argspec = getargspec(callable)
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    67
    if argspec[2]:
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    68
        return True
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    69
    for argname in argnames:
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    70
        if argname not in argspec[0]:
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    71
            return False
efca814587e2 [primary] refactor primary view handling of relation's label
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6044
diff changeset
    72
    return True
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    73
6141
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    74
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    75
class wrap_on_write(object):
6580
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    76
    """ Sometimes it is convenient to NOT write some container element
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    77
    if it happens that there is nothing to be written within,
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    78
    but this cannot be known beforehand.
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    79
    Hence one can do this:
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    80
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    81
    .. sourcecode:: python
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    82
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    83
       with wrap_on_write(w, '<div class="foo">', '</div>') as wow:
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    84
           component.render_stuff(wow)
798200432f50 some docstrings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6492
diff changeset
    85
    """
6141
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    86
    def __init__(self, w, tag, closetag=None):
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    87
        self.written = False
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    88
        self.tag = unicode(tag)
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    89
        self.closetag = closetag
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    90
        self.w = w
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    91
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    92
    def __enter__(self):
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    93
        return self
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    94
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    95
    def __call__(self, data):
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    96
        if self.written is False:
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    97
            self.w(self.tag)
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    98
            self.written = True
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
    99
        self.w(data)
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   100
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   101
    def __exit__(self, exctype, value, traceback):
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   102
        if self.written is True:
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   103
            if self.closetag:
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   104
                self.w(unicode(self.closetag))
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   105
            else:
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   106
                self.w(self.tag.replace('<', '</', 1))
b8287e54b528 [web api] unify 'contentnav' (VComponent) and 'boxes' registries as 'ctxcomponents' (CtxComponent)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6067
diff changeset
   107
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   108
3882
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   109
# use networkX instead ?
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   110
# http://networkx.lanl.gov/reference/algorithms.traversal.html#module-networkx.algorithms.traversal.astar
6854
ffc982faa264 [views] delete ``permission`` tab in ``SchemaView``
cheb
parents: 6684
diff changeset
   111
def transitive_closure_of(entity, rtype, _seen=None):
4317
b2093f8f0493 some docstring
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4212
diff changeset
   112
    """return transitive closure *for the subgraph starting from the given
b2093f8f0493 some docstring
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4212
diff changeset
   113
    entity* (eg 'parent' entities are not included in the results)
b2093f8f0493 some docstring
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4212
diff changeset
   114
    """
3882
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   115
    if _seen is None:
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   116
        _seen = set()
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   117
    _seen.add(entity.eid)
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   118
    yield entity
6854
ffc982faa264 [views] delete ``permission`` tab in ``SchemaView``
cheb
parents: 6684
diff changeset
   119
    for child in getattr(entity, rtype):
3882
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   120
        if child.eid in _seen:
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   121
            continue
6854
ffc982faa264 [views] delete ``permission`` tab in ``SchemaView``
cheb
parents: 6684
diff changeset
   122
        for subchild in transitive_closure_of(child, rtype, _seen):
3882
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   123
            yield subchild
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   124
addc715f4fcd backported from confman
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3851
diff changeset
   125
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   126
class SizeConstrainedList(list):
7568
c5ee33fb6a3b [test] run and fix utils and uilib doctests
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7268
diff changeset
   127
    """simple list that makes sure the list does not get bigger than a given
c5ee33fb6a3b [test] run and fix utils and uilib doctests
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7268
diff changeset
   128
    size.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   129
7568
c5ee33fb6a3b [test] run and fix utils and uilib doctests
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7268
diff changeset
   130
    when the list is full and a new element is added, the first element of the
c5ee33fb6a3b [test] run and fix utils and uilib doctests
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7268
diff changeset
   131
    list is removed before appending the new one
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   132
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   133
    >>> l = SizeConstrainedList(2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   134
    >>> l.append(1)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   135
    >>> l.append(2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   136
    >>> l
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   137
    [1, 2]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   138
    >>> l.append(3)
7568
c5ee33fb6a3b [test] run and fix utils and uilib doctests
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7268
diff changeset
   139
    >>> l
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   140
    [2, 3]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   141
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   142
    def __init__(self, maxsize):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   143
        self.maxsize = maxsize
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   144
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   145
    def append(self, element):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   146
        if len(self) == self.maxsize:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   147
            del self[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   148
        super(SizeConstrainedList, self).append(element)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   149
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   150
    def extend(self, sequence):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   151
        super(SizeConstrainedList, self).extend(sequence)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   152
        keepafter = len(self) - self.maxsize
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   153
        if keepafter > 0:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   154
            del self[:keepafter]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   155
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   156
    __iadd__ = extend
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   157
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   158
5069
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   159
class RepeatList(object):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   160
    """fake a list with the same element in each row"""
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   161
    __slots__ = ('_size', '_item')
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   162
    def __init__(self, size, item):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   163
        self._size = size
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   164
        self._item = item
5883
7a5f370c5be1 [utils] improve repr() of RepeatList
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 5726
diff changeset
   165
    def __repr__(self):
7a5f370c5be1 [utils] improve repr() of RepeatList
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 5726
diff changeset
   166
        return '<cubicweb.utils.RepeatList at %s item=%s size=%s>' % (
7a5f370c5be1 [utils] improve repr() of RepeatList
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 5726
diff changeset
   167
            id(self), self._item, self._size)
5069
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   168
    def __len__(self):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   169
        return self._size
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   170
    def __nonzero__(self):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   171
        return self._size
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   172
    def __iter__(self):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   173
        return repeat(self._item, self._size)
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   174
    def __getitem__(self, index):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   175
        return self._item
6374
5adf53edfe12 [rset] support for delitem on repeat list (may be necessary in pyro source)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6176
diff changeset
   176
    def __delitem__(self, idc):
5adf53edfe12 [rset] support for delitem on repeat list (may be necessary in pyro source)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6176
diff changeset
   177
        assert self._size > 0
5adf53edfe12 [rset] support for delitem on repeat list (may be necessary in pyro source)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6176
diff changeset
   178
        self._size -= 1
5069
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   179
    def __getslice__(self, i, j):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   180
        # XXX could be more efficient, but do we bother?
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   181
        return ([self._item] * self._size)[i:j]
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   182
    def __add__(self, other):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   183
        if isinstance(other, RepeatList):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   184
            if other._item == self._item:
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   185
                return RepeatList(self._size + other._size, self._item)
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   186
            return ([self._item] * self._size) + other[:]
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   187
        return ([self._item] * self._size) + other
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   188
    def __radd__(self, other):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   189
        if isinstance(other, RepeatList):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   190
            if other._item == self._item:
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   191
                return RepeatList(self._size + other._size, self._item)
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   192
            return other[:] + ([self._item] * self._size)
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   193
        return other[:] + ([self._item] * self._size)
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   194
    def __eq__(self, other):
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   195
        if isinstance(other, RepeatList):
6492
47a284c0d012 fix some pylint detected errors
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6448
diff changeset
   196
            return other._size == self._size and other._item == self._item
5069
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   197
        return self[:] == other
9279
0814b9dd9bf3 [py3k] note about future warning on __eq__ vs __hash__
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9232
diff changeset
   198
    # py3k future warning "Overriding __eq__ blocks inheritance of __hash__ in 3.x"
0814b9dd9bf3 [py3k] note about future warning on __eq__ vs __hash__
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9232
diff changeset
   199
    # is annoying but won't go away because we don't want to hash() the repeatlist
5077
dc448c9ad9dd [rset] cubes such as iliane hi-jack rset description by poping some lines from it. Handle this on RepeatList
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5069
diff changeset
   200
    def pop(self, i):
dc448c9ad9dd [rset] cubes such as iliane hi-jack rset description by poping some lines from it. Handle this on RepeatList
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5069
diff changeset
   201
        self._size -= 1
5069
135c5d7b89d0 [querier] introduce RepeatList class, used to optimize size of data returned for result set description
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4961
diff changeset
   202
6684
b8bd0ecced2e minor cleanups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6580
diff changeset
   203
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   204
class UStringIO(list):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   205
    """a file wrapper which automatically encode unicode string to an encoding
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   206
    specifed in the constructor
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   207
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   208
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   209
    def __nonzero__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   210
        return True
1549
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
   211
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   212
    def write(self, value):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   213
        assert isinstance(value, unicode), u"unicode required not %s : %s"\
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   214
                                     % (type(value).__name__, repr(value))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   215
        self.append(value)
1549
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
   216
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   217
    def getvalue(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   218
        return u''.join(self)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   219
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   220
    def __repr__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   221
        return '<%s at %#x>' % (self.__class__.__name__, id(self))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   222
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   223
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   224
class HTMLHead(UStringIO):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   225
    """wraps HTML header's stream
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   226
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   227
    Request objects use a HTMLHead instance to ease adding of
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   228
    javascripts and stylesheets
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   229
    """
7267
2fe2ed459e4d [page data] don't call unload_page_data too many time (closes #1518398)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7140
diff changeset
   230
    js_unload_code = u'''if (typeof(pageDataUnloaded) == 'undefined') {
2fe2ed459e4d [page data] don't call unload_page_data too many time (closes #1518398)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7140
diff changeset
   231
    jQuery(window).unload(unloadPageData);
2fe2ed459e4d [page data] don't call unload_page_data too many time (closes #1518398)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7140
diff changeset
   232
    pageDataUnloaded = true;
2fe2ed459e4d [page data] don't call unload_page_data too many time (closes #1518398)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7140
diff changeset
   233
}'''
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   234
    script_opening = u'<script type="text/javascript">\n'
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   235
    script_closing = u'\n</script>'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   236
7762
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   237
    def __init__(self, req):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   238
        super(HTMLHead, self).__init__()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   239
        self.jsvars = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   240
        self.jsfiles = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   241
        self.cssfiles = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   242
        self.ie_cssfiles = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   243
        self.post_inlined_scripts = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   244
        self.pagedata_unload = False
7762
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   245
        self._cw = req
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   246
        self.datadir_url = req.datadir_url
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   247
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   248
    def add_raw(self, rawheader):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   249
        self.write(rawheader)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   250
3838
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   251
    def define_var(self, var, value, override=True):
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   252
        """adds a javascript var declaration / assginment in the header
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   253
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   254
        :param var: the variable name
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   255
        :param value: the variable value (as a raw python value,
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   256
                      it will be jsonized later)
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   257
        :param override: if False, don't set the variable value if the variable
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   258
                         is already defined. Default is True.
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   259
        """
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   260
        self.jsvars.append( (var, value, override) )
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   261
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   262
    def add_post_inline_script(self, content):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   263
        self.post_inlined_scripts.append(content)
28
9b7067bfaa15 introduce html_headers.on_load() method as a shortcut for add_post_inline_script('''jQuery(document).ready(...''')
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 0
diff changeset
   264
8795
772cd62e1295 [utils] drop pre-3.7 compat in util
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8682
diff changeset
   265
    def add_onload(self, jscode):
6448
8590d82e9b1b [javascript] update to jQuery 1.4.2 and jQuery-ui 1.8.5
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6409
diff changeset
   266
        self.add_post_inline_script(u"""$(cw).one('server-response', function(event) {
4903
627fcd90e08f fix bad conflict resolution
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4899
diff changeset
   267
%s});""" % jscode)
1549
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
   268
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
   269
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   270
    def add_js(self, jsfile):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   271
        """adds `jsfile` to the list of javascripts used in the webpage
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   272
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   273
        This function checks if the file has already been added
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   274
        :param jsfile: the script's URL
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   275
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   276
        if jsfile not in self.jsfiles:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   277
            self.jsfiles.append(jsfile)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   278
7277
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   279
    def add_css(self, cssfile, media='all'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   280
        """adds `cssfile` to the list of javascripts used in the webpage
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   281
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   282
        This function checks if the file has already been added
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   283
        :param cssfile: the stylesheet's URL
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   284
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   285
        if (cssfile, media) not in self.cssfiles:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   286
            self.cssfiles.append( (cssfile, media) )
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   287
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4859
diff changeset
   288
    def add_ie_css(self, cssfile, media='all', iespec=u'[if lt IE 8]'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   289
        """registers some IE specific CSS"""
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4859
diff changeset
   290
        if (cssfile, media, iespec) not in self.ie_cssfiles:
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4859
diff changeset
   291
            self.ie_cssfiles.append( (cssfile, media, iespec) )
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   292
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   293
    def add_unload_pagedata(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   294
        """registers onunload callback to clean page data on server"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   295
        if not self.pagedata_unload:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   296
            self.post_inlined_scripts.append(self.js_unload_code)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   297
            self.pagedata_unload = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   298
7277
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   299
    def concat_urls(self, urls):
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   300
        """concatenates urls into one url usable by Apache mod_concat
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   301
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   302
        This method returns the url without modifying it if there is only
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   303
        one element in the list
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   304
        :param urls: list of local urls/filenames to concatenate
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   305
        """
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   306
        if len(urls) == 1:
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   307
            return urls[0]
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   308
        len_prefix = len(self.datadir_url)
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   309
        concated = u','.join(url[len_prefix:] for url in urls)
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   310
        return (u'%s??%s' % (self.datadir_url, concated))
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   311
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   312
    def group_urls(self, urls_spec):
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   313
        """parses urls_spec in order to generate concatenated urls
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   314
        for js and css includes
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   315
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   316
        This method checks if the file is local and if it shares options
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   317
        with direct neighbors
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   318
        :param urls_spec: entire list of urls/filenames to inspect
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   319
        """
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   320
        concatable = []
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   321
        prev_islocal = False
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   322
        prev_key = None
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   323
        for url, key in urls_spec:
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   324
            islocal = url.startswith(self.datadir_url)
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   325
            if concatable and (islocal != prev_islocal or key != prev_key):
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   326
                yield (self.concat_urls(concatable), prev_key)
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   327
                del concatable[:]
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   328
            if not islocal:
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   329
                yield (url, key)
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   330
            else:
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   331
                concatable.append(url)
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   332
            prev_islocal = islocal
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   333
            prev_key = key
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   334
        if concatable:
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   335
            yield (self.concat_urls(concatable), prev_key)
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   336
acd7f0e9f276 [etwist] Generates apache's mod_concat-like urls for js and css
Quentin Roquefort <roquefort.quentin@gmail.com>
parents: 7187
diff changeset
   337
643
616191014b8b [jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 28
diff changeset
   338
    def getvalue(self, skiphead=False):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   339
        """reimplement getvalue to provide a consistent (and somewhat browser
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   340
        optimzed cf. http://stevesouders.com/cuzillion) order in external
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   341
        resources declaration
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   342
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   343
        w = self.write
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   344
        # 1/ variable declaration if any
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   345
        if self.jsvars:
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   346
            w(self.script_opening)
3838
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   347
            for var, value, override in self.jsvars:
5389
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   348
                vardecl = u'%s = %s;' % (var, json.dumps(value))
3838
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   349
                if not override:
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   350
                    vardecl = (u'if (typeof %s == "undefined") {%s}' %
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   351
                               (var, vardecl))
9cc134372bf8 [web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3789
diff changeset
   352
                w(vardecl + u'\n')
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   353
            w(self.script_closing)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   354
        # 2/ css files
7762
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   355
        ie_cssfiles = ((x, (y, z)) for x, y, z in self.ie_cssfiles)
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   356
        if self.datadir_url and self._cw.vreg.config['concat-resources']:
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   357
            cssfiles = self.group_urls(self.cssfiles)
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   358
            ie_cssfiles = self.group_urls(ie_cssfiles)
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   359
            jsfiles = (x for x, _ in self.group_urls((x, None) for x in self.jsfiles))
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   360
        else:
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   361
            cssfiles = self.cssfiles
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   362
            jsfiles = self.jsfiles
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   363
        for cssfile, media in cssfiles:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
            w(u'<link rel="stylesheet" type="text/css" media="%s" href="%s"/>\n' %
3091
c3d73cecb29e [html-head] escape js and css urls
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2678
diff changeset
   365
              (media, xml_escape(cssfile)))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
        # 3/ ie css if necessary
7762
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   367
        if self.ie_cssfiles: # use self.ie_cssfiles because `ie_cssfiles` is a genexp
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   368
            for cssfile, (media, iespec) in ie_cssfiles:
4860
cedb6afdb7da [web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4859
diff changeset
   369
                w(u'<!--%s>\n' % iespec)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   370
                w(u'<link rel="stylesheet" type="text/css" media="%s" href="%s"/>\n' %
3091
c3d73cecb29e [html-head] escape js and css urls
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 2678
diff changeset
   371
                  (media, xml_escape(cssfile)))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   372
            w(u'<![endif]--> \n')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
        # 4/ js files
7762
a3f9ba4d44eb [web] add option to make resources-concat optional (implements #1910615)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7660
diff changeset
   374
        for jsfile in jsfiles:
7649
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   375
            if skiphead:
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   376
                # Don't insert <script> tags directly as they would be
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   377
                # interpreted directly by some browsers (e.g. IE).
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   378
                # Use <pre class="script"> tags instead and let
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   379
                # `loadAjaxHtmlHead` handle the script insertion / execution.
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   380
                w(u'<pre class="script" src="%s"></pre>\n' %
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   381
                  xml_escape(jsfile))
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   382
                # FIXME: a probably better implementation might be to add
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   383
                #        JS or CSS urls in a JS list that loadAjaxHtmlHead
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   384
                #        would iterate on and postprocess:
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   385
                #            cw._ajax_js_scripts.push('myscript.js')
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   386
                #        Then, in loadAjaxHtmlHead, do something like:
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   387
                #            jQuery.each(cw._ajax_js_script, jQuery.getScript)
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   388
            else:
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   389
                w(u'<script type="text/javascript" src="%s"></script>\n' %
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   390
                  xml_escape(jsfile))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
        # 5/ post inlined scripts (i.e. scripts depending on other JS files)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
        if self.post_inlined_scripts:
7649
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   393
            if skiphead:
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   394
                for script in self.post_inlined_scripts:
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   395
                    w(u'<pre class="script">')
7660
a1506b5306cc closes #1826543: error on some ajax_replace_url call
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7649
diff changeset
   396
                    w(xml_escape(script))
7649
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   397
                    w(u'</pre>')
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   398
            else:
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   399
                w(self.script_opening)
7649
ede740bd7077 [ajax, IE] rewrite some code to avoid duplicated evaluation with IE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7575
diff changeset
   400
                w(u'\n\n'.join(self.post_inlined_scripts))
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   401
                w(self.script_closing)
643
616191014b8b [jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 28
diff changeset
   402
        header = super(HTMLHead, self).getvalue()
616191014b8b [jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 28
diff changeset
   403
        if skiphead:
616191014b8b [jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 28
diff changeset
   404
            return header
616191014b8b [jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 28
diff changeset
   405
        return u'<head>\n%s</head>\n' % header
1549
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
   406
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   407
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   408
class HTMLStream(object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
    """represents a HTML page.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   411
    This is used my main templates so that HTML headers can be added
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   412
    at any time during the page generation.
1549
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
   413
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   414
    HTMLStream uses the (U)StringIO interface to be compliant with
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
    existing code.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   416
    """
1549
f87561822e27 some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents: 1397
diff changeset
   417
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
    def __init__(self, req):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
        # stream for <head>
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
        self.head = req.html_headers
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
        # main stream
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   422
        self.body = UStringIO()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
        self.doctype = u''
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   424
        self._htmlattrs = [('lang', req.lang)]
3094
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3091
diff changeset
   425
        # keep main_stream's reference on req for easier text/html demoting
978ed8c2c0e4 [googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3091
diff changeset
   426
        req.main_stream = self
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   428
    @deprecated('[3.17] there are no namespaces in html, xhtml is not served any longer')
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   429
    def add_namespace(self, prefix, uri):
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   430
        pass
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   431
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   432
    @deprecated('[3.17] there are no namespaces in html, xhtml is not served any longer')
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   433
    def set_namespaces(self, namespaces):
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   434
        pass
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   435
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   436
    def add_htmlattr(self, attrname, attrvalue):
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   437
        self._htmlattrs.append( (attrname, attrvalue) )
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   438
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   439
    def set_htmlattrs(self, attrs):
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   440
        self._htmlattrs = attrs
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   441
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   442
    def set_doctype(self, doctype, reset_xmldecl=None):
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   443
        self.doctype = doctype
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   444
        if reset_xmldecl is not None:
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   445
            warn('[3.17] xhtml is no more supported',
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   446
                 DeprecationWarning, stacklevel=2)
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   447
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
    def write(self, data):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
        """StringIO interface: this method will be assigned to self.w
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
        self.body.write(data)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   452
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   453
    @property
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   454
    def htmltag(self):
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   455
        attrs = ' '.join('%s="%s"' % (attr, xml_escape(value))
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   456
                         for attr, value in self._htmlattrs)
7187
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   457
        if attrs:
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   458
            return '<html %s>' % attrs
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   459
        return '<html>'
496f51b92154 [views] extend HTMLStream API to be able to change doctype / xmldecl
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7140
diff changeset
   460
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
    def getvalue(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
        """writes HTML headers, closes </head> tag and writes HTML body"""
8941
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   463
        return u'%s\n%s\n%s\n%s\n</html>' % (self.doctype,
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   464
                                             self.htmltag,
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   465
                                             self.head.getvalue(),
7b26fe71404f drop xhtml content-type support (closes #2065651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8795
diff changeset
   466
                                             self.body.getvalue())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
3371
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   468
try:
5389
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   469
    # may not be there if cubicweb-web not installed
5940
0e3ae19b181a [uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5883
diff changeset
   470
    if sys.version_info < (2, 6):
5389
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   471
        import simplejson as json
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   472
    else:
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   473
        import json
3371
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   474
except ImportError:
7575
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   475
    json_dumps = JSString = None
5940
0e3ae19b181a [uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5883
diff changeset
   476
3371
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   477
else:
6134
272cfcc10a28 use logilab.common.date.ustrftime in json encoder to work around datetime.strftime limitation on dates < 1900
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6044
diff changeset
   478
    from logilab.common.date import ustrftime
6176
33ba2c1dbf10 [cw.utils] avoid spurious warning, ustrftime may be globally imported
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6134
diff changeset
   479
5389
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   480
    class CubicWebJsonEncoder(json.JSONEncoder):
5377
84d14ddfae13 [python2.6] prefer python2.6's builtin json module over simplejson
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5320
diff changeset
   481
        """define a json encoder to be able to encode yams std types"""
5320
848e92bb81cc [json] provide a custom json encoder for entities that includes eid in the json object
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 5077
diff changeset
   482
3371
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   483
        def default(self, obj):
7876
df15d194a134 [views] implement json / jsonp export views (closes #1942658)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7762
diff changeset
   484
            if hasattr(obj, '__json_encode__'):
df15d194a134 [views] implement json / jsonp export views (closes #1942658)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7762
diff changeset
   485
                return obj.__json_encode__()
4466
8b0ca7904820 moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4335
diff changeset
   486
            if isinstance(obj, datetime.datetime):
6134
272cfcc10a28 use logilab.common.date.ustrftime in json encoder to work around datetime.strftime limitation on dates < 1900
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6044
diff changeset
   487
                return ustrftime(obj, '%Y/%m/%d %H:%M:%S')
4466
8b0ca7904820 moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4335
diff changeset
   488
            elif isinstance(obj, datetime.date):
6134
272cfcc10a28 use logilab.common.date.ustrftime in json encoder to work around datetime.strftime limitation on dates < 1900
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6044
diff changeset
   489
                return ustrftime(obj, '%Y/%m/%d')
4466
8b0ca7904820 moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4335
diff changeset
   490
            elif isinstance(obj, datetime.time):
3371
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   491
                return obj.strftime('%H:%M:%S')
4466
8b0ca7904820 moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4335
diff changeset
   492
            elif isinstance(obj, datetime.timedelta):
4000
4b16a7c01a25 fix jsonization of interval
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3902
diff changeset
   493
                return (obj.days * 24 * 60 * 60) + obj.seconds
3371
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   494
            elif isinstance(obj, decimal.Decimal):
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   495
                return float(obj)
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   496
            try:
5389
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   497
                return json.JSONEncoder.default(self, obj)
3371
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   498
            except TypeError:
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   499
                # we never ever want to fail because of an unknown type,
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   500
                # just return None in those cases.
762a7bc3b73d this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3364
diff changeset
   501
                return None
4652
7c41eea7fc30 restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4511
diff changeset
   502
7876
df15d194a134 [views] implement json / jsonp export views (closes #1942658)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7762
diff changeset
   503
    def json_dumps(value, **kwargs):
df15d194a134 [views] implement json / jsonp export views (closes #1942658)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 7762
diff changeset
   504
        return json.dumps(value, cls=CubicWebJsonEncoder, **kwargs)
5940
0e3ae19b181a [uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5883
diff changeset
   505
4879
56c16efedc51 deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4844
diff changeset
   506
7575
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   507
    class JSString(str):
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   508
        """use this string sub class in values given to :func:`js_dumps` to
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   509
        insert raw javascript chain in some JSON string
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   510
        """
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   511
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   512
    def _dict2js(d, predictable=False):
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   513
        res = [key + ': ' + js_dumps(val, predictable)
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   514
               for key, val in d.iteritems()]
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   515
        return '{%s}' % ', '.join(res)
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   516
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   517
    def _list2js(l, predictable=False):
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   518
        return '[%s]' % ', '.join([js_dumps(val, predictable) for val in l])
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   519
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   520
    def js_dumps(something, predictable=False):
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   521
        """similar as :func:`json_dumps`, except values which are instances of
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   522
        :class:`JSString` are expected to be valid javascript and will be output
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   523
        as is
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   524
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   525
        >>> js_dumps({'hop': JSString('$.hop'), 'bar': None}, predictable=True)
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   526
        '{bar: null, hop: $.hop}'
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   527
        >>> js_dumps({'hop': '$.hop'})
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   528
        '{hop: "$.hop"}'
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   529
        >>> js_dumps({'hip': {'hop': JSString('momo')}})
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   530
        '{hip: {hop: momo}}'
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   531
        """
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   532
        if isinstance(something, dict):
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   533
            return _dict2js(something, predictable)
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   534
        if isinstance(something, list):
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   535
            return _list2js(something, predictable)
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   536
        if isinstance(something, JSString):
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   537
            return something
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   538
        return json_dumps(something)
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   539
7998
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   540
PERCENT_IN_URLQUOTE_RE = re.compile(r'%(?=[0-9a-fA-F]{2})')
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   541
def js_href(javascript_code):
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   542
    """Generate a "javascript: ..." string for an href attribute.
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   543
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   544
    Some % which may be interpreted in a href context will be escaped.
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   545
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   546
    In an href attribute, url-quotes-looking fragments are interpreted before
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   547
    being given to the javascript engine. Valid url quotes are in the form
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   548
    ``%xx`` with xx being a byte in hexadecimal form. This means that ``%toto``
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   549
    will be unaltered but ``%babar`` will be mangled because ``ba`` is the
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   550
    hexadecimal representation of 186.
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   551
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   552
    >>> js_href('alert("babar");')
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   553
    'javascript: alert("babar");'
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   554
    >>> js_href('alert("%babar");')
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   555
    'javascript: alert("%25babar");'
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   556
    >>> js_href('alert("%toto %babar");')
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   557
    'javascript: alert("%toto %25babar");'
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   558
    >>> js_href('alert("%1337%");')
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   559
    'javascript: alert("%251337%");'
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   560
    """
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   561
    return 'javascript: ' + PERCENT_IN_URLQUOTE_RE.sub(r'%25', javascript_code)
9ef285eb20f4 [utils] add a ``js_href`` function to generated proper javascript href
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7990
diff changeset
   562
7575
335f14e8e5a7 [uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7569
diff changeset
   563
8682
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   564
def parse_repo_uri(uri):
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   565
    """ transform a command line uri into a (protocol, hostport, appid), e.g:
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   566
    <myapp>                      -> 'inmemory', None, '<myapp>'
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   567
    inmemory://<myapp>           -> 'inmemory', None, '<myapp>'
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   568
    pyro://[host][:port]         -> 'pyro', 'host:port', None
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   569
    zmqpickle://[host][:port]    -> 'zmqpickle', 'host:port', None
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   570
    """
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   571
    parseduri = urlparse(uri)
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   572
    scheme = parseduri.scheme
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   573
    if scheme == '':
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   574
        return ('inmemory', None, parseduri.path)
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   575
    if scheme == 'inmemory':
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   576
        return (scheme, None, parseduri.netloc)
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   577
    if scheme in ('pyro', 'pyroloc') or scheme.startswith('zmqpickle-'):
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   578
        return (scheme, parseduri.netloc, parseduri.path)
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   579
    raise NotImplementedError('URI protocol not implemented for `%s`' % uri)
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   580
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   581
20bd1cdf86ae [cwctl] fix cubicweb-ctl shell command (closes #2583919)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7998
diff changeset
   582
7954
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   583
logger = getLogger('cubicweb.utils')
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   584
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   585
class QueryCache(object):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   586
    """ a minimalist dict-like object to be used by the querier
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   587
    and native source (replaces lgc.cache for this very usage)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   588
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   589
    To be efficient it must be properly used. The usage patterns are
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   590
    quite specific to its current clients.
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   591
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   592
    The ceiling value should be sufficiently high, else it will be
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   593
    ruthlessly inefficient (there will be warnings when this happens).
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   594
    A good (high enough) value can only be set on a per-application
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   595
    value. A default, reasonnably high value is provided but tuning
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   596
    e.g `rql-cache-size` can certainly help.
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   597
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   598
    There are two kinds of elements to put in this cache:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   599
    * frequently used elements
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   600
    * occasional elements
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   601
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   602
    The former should finish in the _permanent structure after some
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   603
    warmup.
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   604
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   605
    Occasional elements can be buggy requests (server-side) or
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   606
    end-user (web-ui provided) requests. These have to be cleaned up
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   607
    when they fill the cache, without evicting the usefull, frequently
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   608
    used entries.
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   609
    """
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   610
    # quite arbitrary, but we want to never
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   611
    # immortalize some use-a-little query
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   612
    _maxlevel = 15
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   613
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   614
    def __init__(self, ceiling=3000):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   615
        self._max = ceiling
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   616
        # keys belonging forever to this cache
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   617
        self._permanent = set()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   618
        # mapping of key (that can get wiped) to getitem count
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   619
        self._transient = {}
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   620
        self._data = {}
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   621
        self._lock = Lock()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   622
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   623
    def __len__(self):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   624
        with self._lock:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   625
            return len(self._data)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   626
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   627
    def __getitem__(self, k):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   628
        with self._lock:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   629
            if k in self._permanent:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   630
                return self._data[k]
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   631
            v = self._transient.get(k, _MARKER)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   632
            if v is _MARKER:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   633
                self._transient[k] = 1
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   634
                return self._data[k]
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   635
            if v > self._maxlevel:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   636
                self._permanent.add(k)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   637
                self._transient.pop(k, None)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   638
            else:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   639
                self._transient[k] += 1
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   640
            return self._data[k]
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   641
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   642
    def __setitem__(self, k, v):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   643
        with self._lock:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   644
            if len(self._data) >= self._max:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   645
                self._try_to_make_room()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   646
            self._data[k] = v
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   647
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   648
    def pop(self, key, default=_MARKER):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   649
        with self._lock:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   650
            try:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   651
                if default is _MARKER:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   652
                    return self._data.pop(key)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   653
                return self._data.pop(key, default)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   654
            finally:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   655
                if key in self._permanent:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   656
                    self._permanent.remove(key)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   657
                else:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   658
                    self._transient.pop(key, None)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   659
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   660
    def clear(self):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   661
        with self._lock:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   662
            self._clear()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   663
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   664
    def _clear(self):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   665
        self._permanent = set()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   666
        self._transient = {}
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   667
        self._data = {}
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   668
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   669
    def _try_to_make_room(self):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   670
        current_size = len(self._data)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   671
        items = sorted(self._transient.items(), key=itemgetter(1))
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   672
        level = 0
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   673
        for k, v in items:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   674
            self._data.pop(k, None)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   675
            self._transient.pop(k, None)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   676
            if v > level:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   677
                datalen = len(self._data)
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   678
                if datalen == 0:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   679
                    return
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   680
                if (current_size - datalen) / datalen > .1:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   681
                    break
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   682
                level = v
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   683
        else:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   684
            # we removed cruft but everything is permanent
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   685
            if len(self._data) >= self._max:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   686
                logger.warning('Cache %s is full.' % id(self))
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   687
                self._clear()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   688
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   689
    def _usage_report(self):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   690
        with self._lock:
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   691
            return {'itemcount': len(self._data),
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   692
                    'transientcount': len(self._transient),
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   693
                    'permanentcount': len(self._permanent)}
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   694
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   695
    def popitem(self):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   696
        raise NotImplementedError()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   697
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   698
    def setdefault(self, key, default=None):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   699
        raise NotImplementedError()
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   700
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   701
    def update(self, other):
a3d3220669d6 [cache] replace lgc.cache with something more appropriate (closes #1921713)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7876
diff changeset
   702
        raise NotImplementedError()