| #!/usr/bin/env python |
| # |
| # Copyright 2007 Google Inc. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| """Base functionality for handling HTTP requests for built-in pages.""" |
| |
| |
| |
| import re |
| |
| from google.appengine.tools.devappserver2 import url_handler |
| |
| |
| class WSGIHandler(url_handler.URLHandler): |
| """Simple handler that matches a regex and runs a WSGI application. |
| |
| WSGIHandler does not perform authorization; the authorization check always |
| succeeds. |
| """ |
| |
| def __init__(self, wsgi_app, url_pattern): |
| """Initializer for WSGIHandler. |
| |
| Args: |
| wsgi_app: A WSGI application function as defined in PEP-333. |
| url_pattern: A regular expression string containing the pattern for URLs |
| handled by this handler. Unlike user-provided patterns in app.yaml, |
| the pattern is not required to match the whole URL, only the start. |
| (End the pattern with '$' to explicitly match the whole string.) |
| |
| Raises: |
| re.error: url_pattern was not a valid regular expression. |
| """ |
| super(WSGIHandler, self).__init__(re.compile(url_pattern)) |
| self._wsgi_app = wsgi_app |
| |
| def handle(self, unused_match, environ, start_response): |
| """Serves the content associated with this handler. |
| |
| Args: |
| unused_match: Unused. |
| environ: An environ dict for the current request as defined in PEP-333. |
| start_response: A function with semantics defined in PEP-333. |
| |
| Returns: |
| An iterable over strings containing the body of the HTTP response. |
| """ |
| return self._wsgi_app(environ, start_response) |