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[XAttrMetadata] Refactor and document dependencies
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pukkandan
parent
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6f7563beb7
@ -273,6 +273,7 @@ ## DEPENDENCIES
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* [**secretstorage**](https://github.com/mitya57/secretstorage) - For accessing the Gnome keyring while decrypting cookies of Chromium-based browsers on Linux. Licensed under [BSD-3-Clause](https://github.com/mitya57/secretstorage/blob/master/LICENSE)
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* [**brotli**](https://github.com/google/brotli)\* or [**brotlicffi**](https://github.com/python-hyper/brotlicffi) - [Brotli](https://en.wikipedia.org/wiki/Brotli) content encoding support. Both licensed under MIT <sup>[1](https://github.com/google/brotli/blob/master/LICENSE) [2](https://github.com/python-hyper/brotlicffi/blob/master/LICENSE) </sup>
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* [**certifi**](https://github.com/certifi/python-certifi)\* - Provides Mozilla's root certificate bundle. Licensed under [MPLv2](https://github.com/certifi/python-certifi/blob/master/LICENSE)
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* [**xattr**](https://github.com/xattr/xattr), [**pyxattr**](https://github.com/iustin/pyxattr) or [**setfattr**](http://savannah.nongnu.org/projects/attr) - For writing xattr metadata on Linux. Licensed under [MIT](https://github.com/xattr/xattr/blob/master/LICENSE.txt), [LGPL2.1](https://github.com/iustin/pyxattr/blob/master/COPYING) and [GPLv2+](http://git.savannah.nongnu.org/cgit/attr.git/tree/doc/COPYING) respectively
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* [**AtomicParsley**](https://github.com/wez/atomicparsley) - For embedding thumbnail in mp4/m4a if mutagen/ffmpeg cannot. Licensed under [GPLv2+](https://github.com/wez/atomicparsley/blob/master/COPYING)
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* [**rtmpdump**](http://rtmpdump.mplayerhq.hu) - For downloading `rtmp` streams. ffmpeg will be used as a fallback. Licensed under [GPLv2+](http://rtmpdump.mplayerhq.hu)
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* [**mplayer**](http://mplayerhq.hu/design7/info.html) or [**mpv**](https://mpv.io) - For downloading `rstp` streams. ffmpeg will be used as a fallback. Licensed under [GPLv2+](https://github.com/mpv-player/mpv/blob/master/Copyright)
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@ -75,6 +75,15 @@
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websockets = None
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try:
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import xattr # xattr or pyxattr
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except ImportError:
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xattr = None
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else:
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if hasattr(xattr, 'set'): # pyxattr
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xattr._yt_dlp__identifier = 'pyxattr'
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all_dependencies = {k: v for k, v in globals().items() if not k.startswith('_')}
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@ -1422,7 +1422,7 @@ def _dict_from_options_callback(
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dest='parse_metadata', metavar='FIELDS REGEX REPLACE', action='append', nargs=3,
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help='Replace text in a metadata field using the given regex. This option can be used multiple times')
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postproc.add_option(
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'--xattrs',
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'--xattrs', '--xattr',
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action='store_true', dest='xattrs', default=False,
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help='Write metadata to the video file\'s xattrs (using dublin core and xdg standards)')
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postproc.add_option(
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@ -12,68 +12,52 @@
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class XAttrMetadataPP(PostProcessor):
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#
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# More info about extended attributes for media:
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# http://freedesktop.org/wiki/CommonExtendedAttributes/
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# http://www.freedesktop.org/wiki/PhreedomDraft/
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# http://dublincore.org/documents/usageguide/elements.shtml
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#
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# TODO:
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# * capture youtube keywords and put them in 'user.dublincore.subject' (comma-separated)
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# * figure out which xattrs can be used for 'duration', 'thumbnail', 'resolution'
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#
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"""Set extended attributes on downloaded file (if xattr support is found)
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More info about extended attributes for media:
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http://freedesktop.org/wiki/CommonExtendedAttributes/
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http://www.freedesktop.org/wiki/PhreedomDraft/
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http://dublincore.org/documents/usageguide/elements.shtml
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TODO:
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* capture youtube keywords and put them in 'user.dublincore.subject' (comma-separated)
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* figure out which xattrs can be used for 'duration', 'thumbnail', 'resolution'
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"""
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XATTR_MAPPING = {
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'user.xdg.referrer.url': 'webpage_url',
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# 'user.xdg.comment': 'description',
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'user.dublincore.title': 'title',
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'user.dublincore.date': 'upload_date',
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'user.dublincore.description': 'description',
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'user.dublincore.contributor': 'uploader',
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'user.dublincore.format': 'format',
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}
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def run(self, info):
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""" Set extended attributes on downloaded file (if xattr support is found). """
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# Write the metadata to the file's xattrs
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mtime = os.stat(info['filepath']).st_mtime
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self.to_screen('Writing metadata to file\'s xattrs')
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filename = info['filepath']
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mtime = os.stat(filename).st_mtime
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try:
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xattr_mapping = {
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'user.xdg.referrer.url': 'webpage_url',
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# 'user.xdg.comment': 'description',
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'user.dublincore.title': 'title',
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'user.dublincore.date': 'upload_date',
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'user.dublincore.description': 'description',
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'user.dublincore.contributor': 'uploader',
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'user.dublincore.format': 'format',
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}
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num_written = 0
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for xattrname, infoname in xattr_mapping.items():
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for xattrname, infoname in self.XATTR_MAPPING.items():
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value = info.get(infoname)
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if value:
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if infoname == 'upload_date':
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value = hyphenate_date(value)
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byte_value = value.encode('utf-8')
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write_xattr(filename, xattrname, byte_value)
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num_written += 1
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write_xattr(info['filepath'], xattrname, value.encode('utf-8'))
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except XAttrUnavailableError as e:
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raise PostProcessingError(str(e))
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except XAttrMetadataError as e:
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if e.reason == 'NO_SPACE':
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self.report_warning(
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'There\'s no disk space left, disk quota exceeded or filesystem xattr limit exceeded. '
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+ (('Some ' if num_written else '') + 'extended attributes are not written.').capitalize())
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'Some extended attributes are not written')
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elif e.reason == 'VALUE_TOO_LONG':
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self.report_warning(
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'Unable to write extended attributes due to too long values.')
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self.report_warning('Unable to write extended attributes due to too long values.')
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else:
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msg = 'This filesystem doesn\'t support extended attributes. '
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if compat_os_name == 'nt':
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msg += 'You need to use NTFS.'
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else:
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msg += '(You may have to enable them in your /etc/fstab)'
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raise PostProcessingError(str(e))
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tip = ('You need to use NTFS' if compat_os_name == 'nt'
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else 'You may have to enable them in your "/etc/fstab"')
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raise PostProcessingError(f'This filesystem doesn\'t support extended attributes. {tip}')
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self.try_utime(filename, mtime, mtime)
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self.try_utime(info['filepath'], mtime, mtime)
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return [], info
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111
yt_dlp/utils.py
111
yt_dlp/utils.py
@ -4673,87 +4673,56 @@ def _get_pixel(idx):
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def write_xattr(path, key, value):
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# This mess below finds the best xattr tool for the job
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try:
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# try the pyxattr module...
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import xattr
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# Windows: Write xattrs to NTFS Alternate Data Streams:
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# http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29
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if compat_os_name == 'nt':
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assert ':' not in key
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assert os.path.exists(path)
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if hasattr(xattr, 'set'): # pyxattr
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# Unicode arguments are not supported in python-pyxattr until
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# version 0.5.0
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# See https://github.com/ytdl-org/youtube-dl/issues/5498
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pyxattr_required_version = '0.5.0'
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if version_tuple(xattr.__version__) < version_tuple(pyxattr_required_version):
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# TODO: fallback to CLI tools
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raise XAttrUnavailableError(
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'python-pyxattr is detected but is too old. '
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'yt-dlp requires %s or above while your version is %s. '
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'Falling back to other xattr implementations' % (
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pyxattr_required_version, xattr.__version__))
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try:
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with open(f'{path}:{key}', 'wb') as f:
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f.write(value)
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except OSError as e:
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raise XAttrMetadataError(e.errno, e.strerror)
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return
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# UNIX Method 1. Use xattrs/pyxattrs modules
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from .dependencies import xattr
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setxattr = None
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if getattr(xattr, '_yt_dlp__identifier', None) == 'pyxattr':
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# Unicode arguments are not supported in pyxattr until version 0.5.0
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# See https://github.com/ytdl-org/youtube-dl/issues/5498
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if version_tuple(xattr.__version__) >= (0, 5, 0):
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setxattr = xattr.set
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else: # xattr
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setxattr = xattr.setxattr
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elif xattr:
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setxattr = xattr.setxattr
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if setxattr:
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try:
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setxattr(path, key, value)
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except OSError as e:
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raise XAttrMetadataError(e.errno, e.strerror)
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return
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except ImportError:
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if compat_os_name == 'nt':
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# Write xattrs to NTFS Alternate Data Streams:
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# http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29
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assert ':' not in key
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assert os.path.exists(path)
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# UNIX Method 2. Use setfattr/xattr executables
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exe = ('setfattr' if check_executable('setfattr', ['--version'])
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else 'xattr' if check_executable('xattr', ['-h']) else None)
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if not exe:
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raise XAttrUnavailableError(
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'Couldn\'t find a tool to set the xattrs. Install either the python "xattr" or "pyxattr" modules or the '
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+ ('"xattr" binary' if sys.platform != 'linux' else 'GNU "attr" package (which contains the "setfattr" tool)'))
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ads_fn = path + ':' + key
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try:
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with open(ads_fn, 'wb') as f:
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f.write(value)
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except OSError as e:
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raise XAttrMetadataError(e.errno, e.strerror)
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else:
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user_has_setfattr = check_executable('setfattr', ['--version'])
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user_has_xattr = check_executable('xattr', ['-h'])
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if user_has_setfattr or user_has_xattr:
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value = value.decode('utf-8')
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if user_has_setfattr:
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executable = 'setfattr'
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opts = ['-n', key, '-v', value]
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elif user_has_xattr:
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executable = 'xattr'
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opts = ['-w', key, value]
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cmd = ([encodeFilename(executable, True)]
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+ [encodeArgument(o) for o in opts]
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+ [encodeFilename(path, True)])
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try:
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p = Popen(
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cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
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except OSError as e:
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raise XAttrMetadataError(e.errno, e.strerror)
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stdout, stderr = p.communicate_or_kill()
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stderr = stderr.decode('utf-8', 'replace')
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if p.returncode != 0:
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raise XAttrMetadataError(p.returncode, stderr)
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else:
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# On Unix, and can't find pyxattr, setfattr, or xattr.
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if sys.platform.startswith('linux'):
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raise XAttrUnavailableError(
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"Couldn't find a tool to set the xattrs. "
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"Install either the python 'pyxattr' or 'xattr' "
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"modules, or the GNU 'attr' package "
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"(which contains the 'setfattr' tool).")
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else:
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raise XAttrUnavailableError(
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"Couldn't find a tool to set the xattrs. "
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"Install either the python 'xattr' module, "
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"or the 'xattr' binary.")
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value = value.decode('utf-8')
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try:
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p = Popen(
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[exe, '-w', key, value, path] if exe == 'xattr' else [exe, '-n', key, '-v', value, path],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
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except OSError as e:
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raise XAttrMetadataError(e.errno, e.strerror)
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stderr = p.communicate_or_kill()[1].decode('utf-8', 'replace')
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if p.returncode:
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raise XAttrMetadataError(p.returncode, stderr)
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def random_birthday(year_field, month_field, day_field):
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