97 lines
3.1 KiB
Python
97 lines
3.1 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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"""
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This module contains some Mixin classes for the db objects.
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A bunch of functions on the db objects are really more like
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"utility functions": They could live outside the classes
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and be called "by hand" passing the appropiate reference.
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They usually only use the public API of the object and
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rarely use database related stuff.
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These functions now live here and get "mixed in" into the
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real objects.
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"""
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from mediagoblin.auth import lib as auth_lib
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from mediagoblin.tools import common, licenses
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class UserMixin(object):
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def check_login(self, password):
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"""
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See if a user can login with this password
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"""
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return auth_lib.bcrypt_check_password(
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password, self.pw_hash)
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class MediaEntryMixin(object):
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def get_display_media(self, media_map,
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fetch_order=common.DISPLAY_IMAGE_FETCHING_ORDER):
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"""
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Find the best media for display.
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Args:
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- media_map: a dict like
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{u'image_size': [u'dir1', u'dir2', u'image.jpg']}
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- fetch_order: the order we should try fetching images in
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Returns:
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(media_size, media_path)
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"""
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media_sizes = media_map.keys()
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for media_size in common.DISPLAY_IMAGE_FETCHING_ORDER:
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if media_size in media_sizes:
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return media_map[media_size]
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def main_mediafile(self):
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pass
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def url_for_self(self, urlgen, **extra_args):
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"""
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Generate an appropriate url for ourselves
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Use a slug if we have one, else use our '_id'.
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"""
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uploader = self.get_uploader
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if self.get('slug'):
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return urlgen(
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'mediagoblin.user_pages.media_home',
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user=uploader.username,
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media=self.slug,
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**extra_args)
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else:
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return urlgen(
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'mediagoblin.user_pages.media_home',
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user=uploader.username,
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media=unicode(self._id),
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**extra_args)
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def get_fail_exception(self):
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"""
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Get the exception that's appropriate for this error
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"""
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if self['fail_error']:
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return common.import_component(self['fail_error'])
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def get_license_data(self):
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"""Return license dict for requested license"""
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return licenses.SUPPORTED_LICENSES[self.license]
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