75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011 Free Software Foundation, Inc
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import jinja2
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import mongokit
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def get_jinja_env(user_template_path=None):
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"""
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Set up the Jinja environment, possibly allowing for user
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overridden templates.
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(In the future we may have another system for providing theming;
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for now this is good enough.)
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"""
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if user_template_path:
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loader = jinja2.ChoiceLoader(
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[jinja2.FileSystemLoader(user_template_path),
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jinja2.PackageLoader('mediagoblin', 'templates')])
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else:
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loader = jinja2.PackageLoader('mediagoblin', 'templates')
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return jinja2.Environment(loader=loader, autoescape=True)
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def setup_user_in_request(request):
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"""
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Examine a request and tack on a request.user parameter if that's
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appropriate.
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"""
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if not request.session.has_key('user_id'):
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request.user = None
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return
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user = None
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user = request.app.db.User.one(
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{'_id': mongokit.ObjectId(request.session['user_id'])})
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if not user:
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# Something's wrong... this user doesn't exist? Invalidate
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# this session.
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request.session.invalidate()
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request.user = user
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def import_component(import_string):
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"""
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Import a module component defined by STRING. Probably a method,
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class, or global variable.
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Args:
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- import_string: a string that defines what to import. Written
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in the format of "module1.module2:component"
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"""
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module_name, func_name = import_string.split(':', 1)
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__import__(module_name)
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module = sys.modules[module_name]
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func = getattr(module, func_name)
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return func
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