68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
# combo - content management system
|
|
# Copyright (C) 2015-2018 Entr'ouvert
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Affero General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program 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 Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import re
|
|
|
|
from django.conf import settings
|
|
from django.utils.encoding import force_text
|
|
from django.template import Context, Template, TemplateSyntaxError, VariableDoesNotExist
|
|
from django.utils.http import quote
|
|
|
|
|
|
class TemplateError(Exception):
|
|
def __init__(self, msg, params=()):
|
|
self.msg = msg
|
|
self.params = params
|
|
|
|
def __str__(self):
|
|
return self.msg % self.params
|
|
|
|
|
|
def get_templated_url(url, context=None):
|
|
if '{{' not in url and '{%' not in url and '[' not in url:
|
|
return url
|
|
template_vars = Context(use_l10n=False)
|
|
if context:
|
|
if hasattr(context, 'flatten'):
|
|
# it's a django Context, dictionarize it:
|
|
context = context.flatten()
|
|
template_vars.update(context)
|
|
template_vars['user_email'] = ''
|
|
template_vars['user_nameid'] = ''
|
|
user = getattr(context.get('request'), 'user', None)
|
|
if user and user.is_authenticated:
|
|
template_vars['user_email'] = quote(user.email)
|
|
user_nameid = user.get_name_id()
|
|
if user_nameid:
|
|
template_vars['user_nameid'] = quote(user_nameid)
|
|
template_vars.update(settings.TEMPLATE_VARS)
|
|
if '{{' in url or '{%' in url: # Django template
|
|
try:
|
|
return Template(url).render(template_vars)
|
|
except VariableDoesNotExist as e:
|
|
raise TemplateError(e.msg, e.params)
|
|
except TemplateSyntaxError:
|
|
raise TemplateError('syntax error')
|
|
# ezt-like template
|
|
def repl(matchobj):
|
|
varname = matchobj.group(0)[1:-1]
|
|
if varname == '[':
|
|
return '['
|
|
if varname not in template_vars:
|
|
raise TemplateError('unknown variable %s', varname)
|
|
return force_text(template_vars[varname])
|
|
return re.sub(r'(\[.+?\])', repl, url)
|