+from __future__ import unicode_literals
+
import os
import subprocess
import sys
+import errno
from .common import PostProcessor
-from ..compat import (
- subprocess_check_output
-)
from ..utils import (
check_executable,
hyphenate_date,
+ version_tuple,
+ PostProcessingError,
+ encodeArgument,
+ encodeFilename,
)
+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):
#
# 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):
- return xattr.setxattr(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':
assert ':' not in key
assert os.path.exists(path)
- ads_fn = path + ":" + key
- with open(ads_fn, "wb") as f:
- f.write(value)
+ 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'])
+ 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:
- cmd = ['setfattr', '-n', key, '-v', value, path]
+ executable = 'setfattr'
+ opts = ['-n', key, '-v', value]
elif user_has_xattr:
- cmd = ['xattr', '-w', key, value, path]
-
- subprocess_check_output(cmd)
+ 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.
value = info.get(infoname)
if value:
- if infoname == "upload_date":
+ if infoname == 'upload_date':
value = hyphenate_date(value)
byte_value = value.encode('utf-8')
write_xattr(filename, xattrname, byte_value)
- return True, info
-
- except (subprocess.CalledProcessError, OSError):
- self._downloader.report_error("This filesystem doesn't support extended attributes. (You may have to enable them in your /etc/fstab)")
- return False, info
+ 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.')
+ 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':
+ msg += 'You need to use NTFS.'
+ else:
+ msg += '(You may have to enable them in your /etc/fstab)'
+ self._downloader.report_error(msg)
+ return [], info