64 lines
2.2 KiB
Python
64 lines
2.2 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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# Staticdirect infrastructure.
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# Borrowed largely from cc.engine
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# by Chris Webber & Creative Commons
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#
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# This needs documentation!
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####################################
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import logging
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_log = logging.getLogger(__name__)
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class StaticDirect(object):
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"""
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Direct to a static resource.
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This StaticDirect class can take a series of "domains" to
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staticdirect to. In general, you should supply a None domain, as
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that's the "default" domain.
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Things work like this:
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>>> staticdirect = StaticDirect(
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... {None: "/static/",
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... "theme": "http://example.org/themestatic/"})
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>>> staticdirect("css/monkeys.css")
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"/static/css/monkeys.css"
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>>> staticdirect("images/lollerskate.png", "theme")
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"http://example.org/themestatic/images/lollerskate.png"
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"""
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def __init__(self, domains):
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self.domains = dict(
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[(key, value.rstrip('/'))
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for key, value in domains.iteritems()])
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self.cache = {}
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def __call__(self, filepath, domain=None):
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if domain in self.cache and filepath in self.cache[domain]:
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return self.cache[domain][filepath]
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static_direction = self.cache.setdefault(
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domain, {})[filepath] = self.get(filepath, domain)
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return static_direction
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def get(self, filepath, domain=None):
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return '%s/%s' % (
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self.domains[domain], filepath.lstrip('/'))
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