[utils] Add a '_cwtracehtml' GET parameter to trace self._cw.w() calls (closes #4601327)
The core of this patch is in UStringIO.write(). When tracing is enabled,
write() doesn't just append the 'value' argument to the underlying list.
Instead, a stack trace is recorded and a special HTML "source" is
formatted.
The output with tracing enabled is an HTML page, with the original HTML
escaped, and made clickable to show the stack trace when the write()
call was done.
This allows answering the recurring question: "who wrote this tag
here?!"
# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""CubicWeb web client core. You'll need a apache-modpython or twisted
publisher to get a full CubicWeb web application
"""
__docformat__ = "restructuredtext en"
_ = unicode
from urllib import quote as urlquote
from logilab.common.deprecation import deprecated
from cubicweb.web._exceptions import *
from cubicweb.utils import json_dumps
from cubicweb.uilib import eid_param
assert json_dumps is not None, 'no json module installed'
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)
from logging import getLogger
LOGGER = getLogger('cubicweb.web')
# XXX deprecated
FACETTES = set()
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