90 lines
2.6 KiB
Python
90 lines
2.6 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
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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 logging
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from urllib.parse import urlparse
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from werkzeug.routing import Map, Rule
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from mediagoblin.tools.common import import_component
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_log = logging.getLogger(__name__)
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url_map = Map()
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class MGRoute(Rule):
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def __init__(self, endpoint, url, controller, match_slash=True):
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Rule.__init__(self, url, endpoint=endpoint)
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self.gmg_controller = controller
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self.match_slash = match_slash
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def empty(self):
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new_rule = Rule.empty(self)
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new_rule.gmg_controller = self.gmg_controller
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return new_rule
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def match(self, path, *args, **kwargs):
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if not (self.match_slash or path.endswith("/")):
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path = path + "/"
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return super().match(path, *args, **kwargs)
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def endpoint_to_controller(rule):
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endpoint = rule.endpoint
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view_func = rule.gmg_controller
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_log.debug('endpoint: {} view_func: {}'.format(endpoint, view_func))
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# import the endpoint, or if it's already a callable, call that
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if isinstance(view_func, str):
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view_func = import_component(view_func)
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rule.gmg_controller = view_func
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return view_func
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def add_route(endpoint, url, controller, *args, **kwargs):
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"""
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Add a route to the url mapping
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"""
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url_map.add(MGRoute(endpoint, url, controller, *args, **kwargs))
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def mount(mountpoint, routes):
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"""
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Mount a bunch of routes to this mountpoint
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"""
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for endpoint, url, controller in routes:
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url = "{}/{}".format(mountpoint.rstrip('/'), url.lstrip('/'))
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add_route(endpoint, url, controller)
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def extract_url_arguments(url, urlmap):
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"""
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This extracts the URL arguments from a given URL
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"""
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parsed_url = urlparse(url)
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map_adapter = urlmap.bind(
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server_name=parsed_url.netloc,
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script_name=parsed_url.path,
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url_scheme=parsed_url.scheme,
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path_info=parsed_url.path
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)
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return map_adapter.match()[1]
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