web/__init__.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 17 Jun 2010 15:15:52 +0200
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child 5940 0e3ae19b181a
permissions -rw-r--r--
backport stable
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""CubicWeb web client core. You'll need a apache-modpython or twisted
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publisher to get a full CubicWeb web application
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"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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import sys
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if sys.version_info < (2,6):
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    import simplejson as json
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else:
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    import json
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dumps = json.dumps
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from urllib import quote as urlquote
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from logilab.common.deprecation import deprecated
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from cubicweb.web._exceptions import *
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from cubicweb.utils import CubicWebJsonEncoder
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INTERNAL_FIELD_VALUE = '__cubicweb_internal_field__'
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class stdmsgs(object):
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    """standard ui message (in a class for bw compat)"""
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    BUTTON_OK     = (_('button_ok'), 'OK_ICON')
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    BUTTON_APPLY  = (_('button_apply'), 'APPLY_ICON')
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    BUTTON_CANCEL = (_('button_cancel'), 'CANCEL_ICON')
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    BUTTON_DELETE = (_('button_delete'), 'TRASH_ICON')
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    YES = (_('yes'), None)
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    NO  = (_('no'), None)
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def eid_param(name, eid):
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    assert eid is not None
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    if eid is None:
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        eid = ''
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    return '%s:%s' % (name, eid)
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from logging import getLogger
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LOGGER = getLogger('cubicweb.web')
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# XXX deprecated
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FACETTES = set()
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def json_dumps(value):
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    return dumps(value, cls=CubicWebJsonEncoder)
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def jsonize(function):
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    def newfunc(*args, **kwargs):
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        value = function(*args, **kwargs)
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        try:
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            return json_dumps(value)
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        except TypeError:
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            return json_dumps(repr(value))
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    return newfunc
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@deprecated('[3.4] use req.ajax_replace_url() instead')
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def ajax_replace_url(nodeid, rql, vid=None, swap=False, **extraparams):
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    """builds a replacePageChunk-like url
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    >>> ajax_replace_url('foo', 'Person P')
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    "javascript: replacePageChunk('foo', 'Person%20P');"
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    >>> ajax_replace_url('foo', 'Person P', 'oneline')
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    "javascript: replacePageChunk('foo', 'Person%20P', 'oneline');"
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    >>> ajax_replace_url('foo', 'Person P', 'oneline', name='bar', age=12)
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    "javascript: replacePageChunk('foo', 'Person%20P', 'oneline', {'age':12, 'name':'bar'});"
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    >>> ajax_replace_url('foo', 'Person P', name='bar', age=12)
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    "javascript: replacePageChunk('foo', 'Person%20P', 'null', {'age':12, 'name':'bar'});"
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    """
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    params = [repr(nodeid), repr(urlquote(rql))]
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    if extraparams and not vid:
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        params.append("'null'")
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    elif vid:
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        params.append(repr(vid))
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    if extraparams:
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        params.append(json_dumps(extraparams))
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    if swap:
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        params.append('true')
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    return "javascript: replacePageChunk(%s);" % ', '.join(params)