87 lines
4.0 KiB
Python
87 lines
4.0 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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from collections import namedtuple
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# Give a License attribute names: uri, name, abbreviation
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License = namedtuple("License", ["abbreviation", "name", "uri"])
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SORTED_LICENSES = [
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License("All rights reserved", "No license specified", ""),
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License("CC BY 4.0", "Creative Commons Attribution 4.0 International",
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"https://creativecommons.org/licenses/by/4.0/"),
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License("CC BY-SA 4.0",
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"Creative Commons Attribution-ShareAlike 4.0 International",
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"https://creativecommons.org/licenses/by-sa/4.0/"),
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License("CC BY-ND 4.0",
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"Creative Commons Attribution-NoDerivs 4.0 International",
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"https://creativecommons.org/licenses/by-nd/4.0/"),
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License("CC BY-NC 4.0",
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"Creative Commons Attribution-NonCommercial 4.0 International",
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"https://creativecommons.org/licenses/by-nc/4.0/"),
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License("CC BY-NC-SA 4.0",
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"Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International",
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"https://creativecommons.org/licenses/by-nc-sa/4.0/"),
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License("CC BY-NC-ND 4.0",
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"Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International",
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"https://creativecommons.org/licenses/by-nc-nd/4.0/"),
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License("CC BY 3.0", "Creative Commons Attribution 3.0 Unported",
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"https://creativecommons.org/licenses/by/3.0/"),
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License("CC BY-SA 3.0",
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"Creative Commons Attribution-ShareAlike 3.0 Unported",
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"https://creativecommons.org/licenses/by-sa/3.0/"),
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License("CC BY-ND 3.0",
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"Creative Commons Attribution-NoDerivs 3.0 Unported",
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"https://creativecommons.org/licenses/by-nd/3.0/"),
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License("CC BY-NC 3.0",
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"Creative Commons Attribution-NonCommercial 3.0 Unported",
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"https://creativecommons.org/licenses/by-nc/3.0/"),
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License("CC BY-NC-SA 3.0",
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"Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported",
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"https://creativecommons.org/licenses/by-nc-sa/3.0/"),
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License("CC BY-NC-ND 3.0",
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"Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported",
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"https://creativecommons.org/licenses/by-nc-nd/3.0/"),
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License("CC0 1.0",
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"Creative Commons CC0 1.0 Universal",
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"https://creativecommons.org/publicdomain/zero/1.0/"),
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License("Public Domain","Public Domain",
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"https://creativecommons.org/publicdomain/mark/1.0/"),
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]
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# dict {uri: License,...} to enable fast license lookup by uri. Ideally,
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# we'd want to use an OrderedDict (python 2.7+) here to avoid having the
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# same data in two structures
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SUPPORTED_LICENSES = dict(((l.uri, l) for l in SORTED_LICENSES))
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def get_license_by_url(url):
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"""Look up a license by its url and return the License object"""
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try:
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return SUPPORTED_LICENSES[url]
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except KeyError:
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# in case of an unknown License, just display the url given
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# rather than exploding in the user's face.
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return License(url, url, url)
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def licenses_as_choices():
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"""List of (uri, abbreviation) tuples for HTML choice field population
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The data seems to be consumed/deleted during usage, so hand over a
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throwaway list, rather than just a generator.
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"""
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return [(lic.uri, lic.abbreviation) for lic in SORTED_LICENSES]
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