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authorPhilipp Hagemeister <phihag@phihag.de>2014-01-07 06:34:55 +0100
committerPhilipp Hagemeister <phihag@phihag.de>2014-01-07 06:36:34 +0100
commit168da92b9a1509d11fdbe505109b8eff77819602 (patch)
treec009cc8c35f71de82cf2cd1f6ca398ba70d5f589 /youtube_dl/postprocessor
parentd70ad093af56330d19eabe54483cbbd44b1bf6c1 (diff)
[xattr] Rework
In particular, explicitly require NT before trying ADS, and do not try to parse process output that may be localized.
Diffstat (limited to 'youtube_dl/postprocessor')
-rw-r--r--youtube_dl/postprocessor/xattrpp.py58
1 files changed, 18 insertions, 40 deletions
diff --git a/youtube_dl/postprocessor/xattrpp.py b/youtube_dl/postprocessor/xattrpp.py
index ac2236f35..1cb8ecf1c 100644
--- a/youtube_dl/postprocessor/xattrpp.py
+++ b/youtube_dl/postprocessor/xattrpp.py
@@ -4,6 +4,7 @@ import sys
from .common import PostProcessor
from ..utils import (
+ check_executable,
hyphenate_date,
preferredencoding,
)
@@ -30,48 +31,35 @@ class XAttrMetadataPP(PostProcessor):
try:
# try the pyxattr module...
import xattr
+
def write_xattr(path, key, value):
return xattr.setxattr(path, key, value)
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(key.find(":") < 0)
+ assert(path.find(":") < 0)
+ assert(os.path.exists(path))
- if os.name == 'posix':
- def which(bin):
- for dir in os.environ["PATH"].split(":"):
- path = os.path.join(dir, bin)
- if os.path.exists(path):
- return path
-
- user_has_setfattr = which("setfattr")
- user_has_xattr = which("xattr")
+ ads_fn = path + ":" + key
+ with open(ads_fn, "w") as f:
+ f.write(value)
+ 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):
- import errno
- potential_errors = {
- # setfattr: /tmp/blah: Operation not supported
- "Operation not supported": errno.EOPNOTSUPP,
- # setfattr: ~/blah: No such file or directory
- # xattr: No such file: ~/blah
- "No such file": errno.ENOENT,
- }
-
if user_has_setfattr:
cmd = ['setfattr', '-n', key, '-v', value, path]
elif user_has_xattr:
cmd = ['xattr', '-w', key, value, path]
- try:
- subprocess.check_output(cmd, stderr=subprocess.STDOUT)
- except subprocess.CalledProcessError as e:
- errorstr = e.output.strip().decode()
- for potential_errorstr, potential_errno in potential_errors.items():
- if errorstr.find(potential_errorstr) > -1:
- e = OSError(potential_errno, potential_errorstr)
- e.__cause__ = None
- raise e
- raise # Reraise unhandled error
+ subprocess.check_output(cmd)
else:
# On Unix, and can't find pyxattr, setfattr, or xattr.
@@ -86,19 +74,9 @@ class XAttrMetadataPP(PostProcessor):
"Couldn't find a tool to set the xattrs. "
"Install either the python 'xattr' module, "
"or the 'xattr' binary.")
- else:
- # 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(key.find(":") < 0)
- assert(path.find(":") < 0)
- assert(os.path.exists(path))
-
- ads_fn = path + ":" + key
- with open(ads_fn, "w") as f:
- f.write(value)
# Write the metadata to the file's xattrs
- self._downloader.to_screen('[metadata] Writing metadata to file\'s xattrs...')
+ self._downloader.to_screen('[metadata] Writing metadata to file\'s xattrs')
filename = info['filepath']
@@ -126,7 +104,7 @@ class XAttrMetadataPP(PostProcessor):
return True, info
- except OSError:
+ 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