def pylons_compatibility_tween(request):
"""
While migrating from pylons to pyramid we need to call some pylons code
from pyramid. For example while rendering an old template that uses the
'c' or 'h' objects. This tween sets up the needed pylons globals.
"""
try:
config = rhodecode.CONFIG
environ = request.environ
session = request.session
session_key = (config['pylons.environ_config'].get(
'session', 'beaker.session'))
# Setup pylons globals.
pylons.config._push_object(config)
pylons.request._push_object(request)
pylons.session._push_object(session)
environ[session_key] = session
pylons.url._push_object(URLGenerator(config['routes.map'],
environ))
# TODO: Maybe we should use the language from pyramid.
translator = _get_translator(config.get('lang'))
pylons.translator._push_object(translator)
# Get the rhodecode auth user object and make it available.
auth_user = get_auth_user(environ)
request.user = auth_user
environ['rc_auth_user'] = auth_user
# Setup the pylons context object ('c')
context = ContextObj()
context.rhodecode_user = auth_user
attach_context_attributes(context)
pylons.tmpl_context._push_object(context)
return handler(request)
finally:
# Dispose current database session and rollback uncommitted
# transactions.
meta.Session.remove()
