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authorSergey M․ <dstftw@gmail.com>2014-10-01 19:48:55 +0700
committerSergey M․ <dstftw@gmail.com>2014-10-01 19:48:55 +0700
commitfc66e4a0d59d064518c3f18d65d1f4d87de8fb8f (patch)
treefc8f308973baa000b61843cc116573512455eb14 /youtube_dl
parent4644ac5527e48a1a8c48dc790621c73913e6dbf8 (diff)
[utils] Add posix expanduser implementation and clarify the original source
Diffstat (limited to 'youtube_dl')
-rw-r--r--youtube_dl/utils.py88
1 files changed, 61 insertions, 27 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index afe32ae05..526d2cc02 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -204,45 +204,79 @@ def compat_ord(c):
else: return ord(c)
-# Environment variables should be decoded with filesystem encoding
-# otherwise this results in issues like #3854 #2918 #3217
if sys.version_info >= (3, 0):
compat_getenv = os.getenv
compat_expanduser = os.path.expanduser
else:
+ # Environment variables should be decoded with filesystem encoding.
+ # Otherwise it will fail if any non-ASCII characters present (see #3854 #3217 #2918)
+
def compat_getenv(key, default=None):
env = os.getenv(key, default)
if env:
env = env.decode(get_filesystem_encoding())
return env
- def compat_expanduser(path):
- """Expand ~ and ~user constructs.
-
- If user or $HOME is unknown, do nothing."""
- if path[:1] != '~':
- return path
- i, n = 1, len(path)
- while i < n and path[i] not in '/\\':
- i += 1
-
- if 'HOME' in os.environ:
- userhome = compat_getenv('HOME')
- elif 'USERPROFILE' in os.environ:
- userhome = compat_getenv('USERPROFILE')
- elif not 'HOMEPATH' in os.environ:
- return path
- else:
- try:
- drive = compat_getenv('HOMEDRIVE')
- except KeyError:
- drive = ''
- userhome = os.path.join(drive, compat_getenv('HOMEPATH'))
+ # HACK: The default implementations of os.path.expanduser from cpython do not decode
+ # environment variables with filesystem encoding. We will work around this by
+ # providing adjusted implementations.
+ # The following are os.path.expanduser implementations from cpython 2.7.8 stdlib
+ # for different platforms with correct environment variables decoding.
+
+ if os.name == 'posix':
+ def compat_expanduser(path):
+ """Expand ~ and ~user constructions. If user or $HOME is unknown,
+ do nothing."""
+ if not path.startswith('~'):
+ return path
+ i = path.find('/', 1)
+ if i < 0:
+ i = len(path)
+ if i == 1:
+ if 'HOME' not in os.environ:
+ import pwd
+ userhome = pwd.getpwuid(os.getuid()).pw_dir
+ else:
+ userhome = compat_getenv('HOME')
+ else:
+ import pwd
+ try:
+ pwent = pwd.getpwnam(path[1:i])
+ except KeyError:
+ return path
+ userhome = pwent.pw_dir
+ userhome = userhome.rstrip('/')
+ return (userhome + path[i:]) or '/'
+ elif os.name == 'nt' or os.name == 'ce':
+ def compat_expanduser(path):
+ """Expand ~ and ~user constructs.
+
+ If user or $HOME is unknown, do nothing."""
+ if path[:1] != '~':
+ return path
+ i, n = 1, len(path)
+ while i < n and path[i] not in '/\\':
+ i = i + 1
+
+ if 'HOME' in os.environ:
+ userhome = compat_getenv('HOME')
+ elif 'USERPROFILE' in os.environ:
+ userhome = compat_getenv('USERPROFILE')
+ elif not 'HOMEPATH' in os.environ:
+ return path
+ else:
+ try:
+ drive = compat_getenv('HOMEDRIVE')
+ except KeyError:
+ drive = ''
+ userhome = os.path.join(drive, compat_getenv('HOMEPATH'))
- if i != 1: # ~user
- userhome = os.path.join(os.path.dirname(userhome), path[1:i])
+ if i != 1: #~user
+ userhome = os.path.join(os.path.dirname(userhome), path[1:i])
- return userhome + path[i:]
+ return userhome + path[i:]
+ else:
+ compat_expanduser = os.path.expanduser
# This is not clearly defined otherwise