from __future__ import unicode_literals
-import os
-import subprocess
-import sys
-import errno
-
from .common import PostProcessor
+from ..compat import compat_os_name
from ..utils import (
- check_executable,
hyphenate_date,
- version_tuple,
- PostProcessingError,
- encodeArgument,
- encodeFilename,
+ write_xattr,
+ XAttrMetadataError,
+ XAttrUnavailableError,
)
-class XAttrMetadataError(PostProcessingError):
- def __init__(self, code=None, msg='Unknown error'):
- super(XAttrMetadataError, self).__init__(msg)
- self.code = code
-
- # Parsing code and msg
- if (self.code in (errno.ENOSPC, errno.EDQUOT) or
- 'No space left' in self.msg or 'Disk quota excedded' in self.msg):
- self.reason = 'NO_SPACE'
- elif self.code == errno.E2BIG or 'Argument list too long' in self.msg:
- self.reason = 'VALUE_TOO_LONG'
- else:
- self.reason = 'NOT_SUPPORTED'
-
-
class XAttrMetadataPP(PostProcessor):
#
def run(self, info):
""" Set extended attributes on downloaded file (if xattr support is found). """
- # This mess below finds the best xattr tool for the job and creates a
- # "write_xattr" function.
- try:
- # try the pyxattr module...
- import xattr
-
- # Unicode arguments are not supported in python-pyxattr until
- # version 0.5.0
- # See https://github.com/rg3/youtube-dl/issues/5498
- pyxattr_required_version = '0.5.0'
- if version_tuple(xattr.__version__) < version_tuple(pyxattr_required_version):
- self._downloader.report_warning(
- 'python-pyxattr is detected but is too old. '
- 'youtube-dl requires %s or above while your version is %s. '
- 'Falling back to other xattr implementations' % (
- pyxattr_required_version, xattr.__version__))
-
- raise ImportError
-
- def write_xattr(path, key, value):
- try:
- xattr.set(path, key, value)
- except EnvironmentError as e:
- raise XAttrMetadataError(e.errno, e.strerror)
-
- except ImportError:
- if os.name == 'nt':
- # Write xattrs to NTFS Alternate Data Streams:
- # http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29
- def write_xattr(path, key, value):
- assert ':' not in key
- assert os.path.exists(path)
-
- ads_fn = path + ':' + key
- try:
- with open(ads_fn, 'wb') as f:
- f.write(value)
- except EnvironmentError as e:
- raise XAttrMetadataError(e.errno, e.strerror)
- else:
- user_has_setfattr = check_executable('setfattr', ['--version'])
- user_has_xattr = check_executable('xattr', ['-h'])
-
- if user_has_setfattr or user_has_xattr:
-
- def write_xattr(path, key, value):
- value = value.decode('utf-8')
- if user_has_setfattr:
- executable = 'setfattr'
- opts = ['-n', key, '-v', value]
- elif user_has_xattr:
- executable = 'xattr'
- opts = ['-w', key, value]
-
- cmd = ([encodeFilename(executable, True)] +
- [encodeArgument(o) for o in opts] +
- [encodeFilename(path, True)])
-
- try:
- p = subprocess.Popen(
- cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
- except EnvironmentError as e:
- raise XAttrMetadataError(e.errno, e.strerror)
- stdout, stderr = p.communicate()
- stderr = stderr.decode('utf-8', 'replace')
- if p.returncode != 0:
- raise XAttrMetadataError(p.returncode, stderr)
-
- else:
- # On Unix, and can't find pyxattr, setfattr, or xattr.
- if sys.platform.startswith('linux'):
- self._downloader.report_error(
- "Couldn't find a tool to set the xattrs. "
- "Install either the python 'pyxattr' or 'xattr' "
- "modules, or the GNU 'attr' package "
- "(which contains the 'setfattr' tool).")
- else:
- self._downloader.report_error(
- "Couldn't find a tool to set the xattrs. "
- "Install either the python 'xattr' module, "
- "or the 'xattr' binary.")
-
# Write the metadata to the file's xattrs
self._downloader.to_screen('[metadata] Writing metadata to file\'s xattrs')
'user.dublincore.format': 'format',
}
+ num_written = 0
for xattrname, infoname in xattr_mapping.items():
value = info.get(infoname)
byte_value = value.encode('utf-8')
write_xattr(filename, xattrname, byte_value)
+ num_written += 1
+
+ return [], info
+ except XAttrUnavailableError as e:
+ self._downloader.report_error(str(e))
return [], info
except XAttrMetadataError as e:
if e.reason == 'NO_SPACE':
self._downloader.report_warning(
- 'There\'s no disk space left or disk quota exceeded. ' +
- 'Extended attributes are not written.')
+ 'There\'s no disk space left, disk quota exceeded or filesystem xattr limit exceeded. '
+ + (('Some ' if num_written else '') + 'extended attributes are not written.').capitalize())
elif e.reason == 'VALUE_TOO_LONG':
self._downloader.report_warning(
'Unable to write extended attributes due to too long values.')
else:
msg = 'This filesystem doesn\'t support extended attributes. '
- if os.name == 'nt':
+ if compat_os_name == 'nt':
msg += 'You need to use NTFS.'
else:
msg += '(You may have to enable them in your /etc/fstab)'
Rapsys Git / youtubedl / blobdiff