From: Sergey M․ Date: Wed, 1 Oct 2014 12:48:55 +0000 (+0700) Subject: [utils] Add posix expanduser implementation and clarify the original source X-Git-Url: http://git.oshgnacknak.de/?a=commitdiff_plain;h=fc66e4a0d59d064518c3f18d65d1f4d87de8fb8f;p=youtube-dl [utils] Add posix expanduser implementation and clarify the original source --- 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