web/__init__.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 14 Apr 2010 10:29:38 +0200
changeset 5244 5467674ad101
parent 4252 6c4f109c2b03
child 5377 84d14ddfae13
permissions -rw-r--r--
[web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)

"""CubicWeb web client core. You'll need a apache-modpython or twisted
publisher to get a full CubicWeb web application


:organization: Logilab
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"
_ = unicode

from simplejson import dumps
from urllib import quote as urlquote

from logilab.common.deprecation import deprecated

from cubicweb.web._exceptions import *
from cubicweb.utils import CubicWebJsonEncoder

INTERNAL_FIELD_VALUE = '__cubicweb_internal_field__'


class stdmsgs(object):
    """standard ui message (in a class for bw compat)"""
    BUTTON_OK     = (_('button_ok'), 'OK_ICON')
    BUTTON_APPLY  = (_('button_apply'), 'APPLY_ICON')
    BUTTON_CANCEL = (_('button_cancel'), 'CANCEL_ICON')
    BUTTON_DELETE = (_('button_delete'), 'TRASH_ICON')
    YES = (_('yes'), None)
    NO  = (_('no'), None)


def eid_param(name, eid):
    assert eid is not None
    if eid is None:
        eid = ''
    return '%s:%s' % (name, eid)


from logging import getLogger
LOGGER = getLogger('cubicweb.web')

# XXX deprecated
FACETTES = set()


def json_dumps(value):
    return dumps(value, cls=CubicWebJsonEncoder)

def jsonize(function):
    def newfunc(*args, **kwargs):
        value = function(*args, **kwargs)
        try:
            return json_dumps(value)
        except TypeError:
            return json_dumps(repr(value))
    return newfunc

@deprecated('[3.4] use req.build_ajax_replace_url() instead')
def ajax_replace_url(nodeid, rql, vid=None, swap=False, **extraparams):
    """builds a replacePageChunk-like url
    >>> ajax_replace_url('foo', 'Person P')
    "javascript: replacePageChunk('foo', 'Person%20P');"
    >>> ajax_replace_url('foo', 'Person P', 'oneline')
    "javascript: replacePageChunk('foo', 'Person%20P', 'oneline');"
    >>> ajax_replace_url('foo', 'Person P', 'oneline', name='bar', age=12)
    "javascript: replacePageChunk('foo', 'Person%20P', 'oneline', {'age':12, 'name':'bar'});"
    >>> ajax_replace_url('foo', 'Person P', name='bar', age=12)
    "javascript: replacePageChunk('foo', 'Person%20P', 'null', {'age':12, 'name':'bar'});"
    """
    params = [repr(nodeid), repr(urlquote(rql))]
    if extraparams and not vid:
        params.append("'null'")
    elif vid:
        params.append(repr(vid))
    if extraparams:
        params.append(json_dumps(extraparams))
    if swap:
        params.append('true')
    return "javascript: replacePageChunk(%s);" % ', '.join(params)