| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| |
| from formencode import validators as fev |
| import requests |
| |
| |
| class TracURLValidator(fev.URL): |
| not_empty = True |
| messages = { |
| 'unavailable': 'This project is unavailable for import' |
| } |
| |
| def _to_python(self, value, state=None): |
| value = super(TracURLValidator, self)._to_python(value, state) |
| # remove extraneous /wiki/[PageName] from the end of the URL |
| url_parts = value.split('/') |
| try: |
| wiki_in_url = url_parts.index('wiki') |
| except ValueError: |
| wiki_in_url = -1 |
| if wiki_in_url >= len(url_parts) - 2: |
| value = '/'.join(url_parts[:wiki_in_url]) |
| # normalize trailing slash |
| value = value.rstrip('/') + '/' |
| |
| resp = requests.head(value, allow_redirects=True) |
| if resp.status_code != 200: |
| raise fev.Invalid(self.message('unavailable', state), value, state) |
| return value |