Move write_xattr to utils.py
There are some other places that use xattr functions. It's better to move it to a common place so that others can use it.
This commit is contained in:
Yen Chi Hsuan
parent
475f8a4580
commit
efa97bdcf1
@ -1,37 +1,15 @@
|
||||
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):
|
||||
|
||||
#
|
||||
@ -48,88 +26,6 @@ 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 compat_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')
|
||||
|
||||
@ -159,6 +55,10 @@ class XAttrMetadataPP(PostProcessor):
|
||||
|
||||
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(
|
||||
|
||||
@ -42,6 +42,7 @@ from .compat import (
|
||||
compat_html_entities_html5,
|
||||
compat_http_client,
|
||||
compat_kwargs,
|
||||
compat_os_name,
|
||||
compat_parse_qs,
|
||||
compat_shlex_quote,
|
||||
compat_socket_create_connection,
|
||||
@ -775,6 +776,25 @@ class ContentTooShortError(Exception):
|
||||
self.expected = expected
|
||||
|
||||
|
||||
class XAttrMetadataError(Exception):
|
||||
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 XAttrUnavailableError(Exception):
|
||||
pass
|
||||
|
||||
|
||||
def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
|
||||
# Working around python 2 bug (see http://bugs.python.org/issue17849) by limiting
|
||||
# expected HTTP responses to meet HTTP/1.0 or later (see also
|
||||
@ -3131,3 +3151,82 @@ def decode_png(png_data):
|
||||
current_row.append(color)
|
||||
|
||||
return width, height, pixels
|
||||
|
||||
|
||||
def write_xattr(path, key, value):
|
||||
# This mess below finds the best xattr tool for the job
|
||||
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):
|
||||
# TODO: fallback to CLI tools
|
||||
raise XAttrUnavailableError(
|
||||
'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__))
|
||||
|
||||
try:
|
||||
xattr.set(path, key, value)
|
||||
except EnvironmentError as e:
|
||||
raise XAttrMetadataError(e.errno, e.strerror)
|
||||
|
||||
except ImportError:
|
||||
if compat_os_name == 'nt':
|
||||
# Write xattrs to NTFS Alternate Data Streams:
|
||||
# http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29
|
||||
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:
|
||||
|
||||
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'):
|
||||
raise XAttrUnavailableError(
|
||||
"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:
|
||||
raise XAttrUnavailableError(
|
||||
"Couldn't find a tool to set the xattrs. "
|
||||
"Install either the python 'xattr' module, "
|
||||
"or the 'xattr' binary.")
|
||||
|
||||
Loading…
Reference in New Issue
Block a user