51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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"""Helpers for URLs"""
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import logging
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import re
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from webob.dec import wsgify
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from . import wsgi_helpers
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log = logging.getLogger(__name__)
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def make_router(*routings):
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"""Return a WSGI application that dispatches requests to controllers."""
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routes = []
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for routing in routings:
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methods, regex, app = routing[:3]
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if isinstance(methods, basestring):
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methods = (methods,)
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vars = routing[3] if len(routing) >= 4 else {}
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routes.append((methods, re.compile(regex), app, vars))
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@wsgify
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def router(req):
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"""Dispatch request to controllers."""
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split_path_info = req.path_info.split('/')
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assert not split_path_info[0], split_path_info
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for methods, regex, app, vars in routes:
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if methods is None or req.method in methods:
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match = regex.match(req.path_info)
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if match is not None:
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log.debug(u'URL path = {path} matched controller {controller}'.format(
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controller=app, path=req.path_info))
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if getattr(req, 'urlvars', None) is None:
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req.urlvars = {}
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req.urlvars.update(dict(
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(name, value.decode('utf-8') if value is not None else None)
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for name, value in match.groupdict().iteritems()
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))
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req.urlvars.update(vars)
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req.script_name += req.path_info[:match.end()]
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req.path_info = req.path_info[match.end():]
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return req.get_response(app)
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return wsgi_helpers.not_found(req.ctx)
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return router
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