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# Copyright (C) 2016-2023 RhodeCode GmbH
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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, version 3
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# (only), as published by the Free Software Foundation.
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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 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 program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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ANY = []
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TEXT_EXT = ['txt', 'md', 'rst', 'log']
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DOCUMENTS_EXT = ['pdf', 'rtf', 'odf', 'ods', 'gnumeric', 'abw', 'doc', 'docx', 'xls', 'xlsx']
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IMAGES_EXT = ['jpg', 'jpe', 'jpeg', 'png', 'gif', 'svg', 'bmp', 'tiff']
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AUDIO_EXT = ['wav', 'mp3', 'aac', 'ogg', 'oga', 'flac']
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VIDEO_EXT = ['mpeg', '3gp', 'avi', 'divx', 'dvr', 'flv', 'mp4', 'wmv']
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DATA_EXT = ['csv', 'ini', 'json', 'plist', 'xml', 'yaml', 'yml']
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SCRIPTS_EXT = ['js', 'php', 'pl', 'py', 'rb', 'sh', 'go', 'c', 'h']
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ARCHIVES_EXT = ['gz', 'bz2', 'zip', 'tar', 'tgz', 'txz', '7z']
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EXECUTABLES_EXT = ['so', 'exe', 'dll']
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DEFAULT = DOCUMENTS_EXT + TEXT_EXT + IMAGES_EXT + DATA_EXT
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GROUPS = dict((
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('any', ANY),
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('text', TEXT_EXT),
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('documents', DOCUMENTS_EXT),
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('images', IMAGES_EXT),
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('audio', AUDIO_EXT),
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('video', VIDEO_EXT),
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('data', DATA_EXT),
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('scripts', SCRIPTS_EXT),
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('archives', ARCHIVES_EXT),
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('executables', EXECUTABLES_EXT),
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('default', DEFAULT),
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))
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def resolve_extensions(extensions, groups=None):
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"""
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Calculate allowed extensions based on a list of extensions provided, and optional
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groups of extensions from the available lists.
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:param extensions: a list of extensions e.g ['py', 'txt']
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:param groups: additionally groups to extend the extensions.
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"""
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groups = groups or []
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valid_exts = {x.lower() for x in extensions}
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for group in groups:
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if group in GROUPS:
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valid_exts.update(GROUPS[group])
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return valid_exts
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