/usr/share/pyshared/quodlibet/util/uri.py is in exfalso 2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | # Copyright 2006 Joe Wreschnig
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
# TODO:
# * netloc separation (user/passwd/host/port using urllib)
# * Coerce a URI to Unicode (via an encoding for the path and
# Punycode for the domain) and back.
import re
from urllib import url2pathname, quote_plus, unquote_plus
from urlparse import urlparse, urlunparse
from quodlibet.util import pathname2url
class URI(str):
"""A full URI string. This object provides several convenience
attributes to access data from the urlparse and urllib modules.
URIs inherit from str, and so any method that works on a str
works on a URI.
URIs are not closed under concatenation, slicing, and so on. Neither
are these URI objects; such operations will return strs."""
def __new__(klass, value, escaped=True):
"""Create a new URI object. By default, the URI is assumed to be
escaped already. Pass escaped=False if you need the URI escaped
(this is imperfect now).
The URI returned will be equivalent, but not necessarily
equal, to the value passed in."""
# URIs like file:////home/foo/... are valid, since
# //home/foo is a valid path. But urlparse parses this
# into a netloc of home and a path of /foo. Lame.
value = re.sub("^([A-Za-z]+):///+", "\\1:///", value)
values = list(urlparse(value))
if not escaped:
# FIXME: Handle netloc
# FIXME: Handle query args
values[2] = quote_plus(values[2], safe="/~")
value = urlunparse(values)
obj = str.__new__(klass, value)
if not obj.scheme:
raise ValueError("URIs must have a scheme, such as 'http://'")
elif not (obj.netloc or obj.path):
raise ValueError("URIs must have a network location or path")
else: return obj
def frompath(klass, value):
"""Construct a URI from an unescaped filename."""
# windows unicode path chars may break pathname2url; encode in UTF-8
if isinstance(value, unicode): value = value.encode("UTF-8")
return klass("file://" + pathname2url(value), escaped=True)
frompath = classmethod(frompath)
scheme = property(lambda self: urlparse(self)[0],
None, None, "URI scheme (e.g. 'http')")
netloc = property(lambda self: urlparse(self)[1], None, None,
"URI network location (e.g. 'example.com:21')")
path = property(lambda self: urlparse(self)[2],
None, None, "URI path (e.g. '/~user')")
params = property(lambda self: urlparse(self)[3],
None, None, "URI parameters")
query = property(lambda self: urlparse(self)[4],
None, None, "URI query string (e.g. 'foo=bar&a=b')")
fragment = property(lambda self: urlparse(self)[5],
None, None, "URI fragment ('foo' in '#foo')")
def unescaped(self):
values = list(urlparse(self))
values[2] = unquote_plus(values[2])
return urlunparse(values)
unescaped = property(unescaped, None, None,
"an unescaped str (not URI) version of the URI")
def filename(self):
if self.scheme != "file":
raise ValueError("only the file scheme supports filenames")
elif self.netloc:
raise ValueError("only local files have filenames")
else: return url2pathname(self.path)
filename = property(filename, None, None,
"a local filename equivalent to the URI")
is_filename = property(
lambda s: s.scheme == "file" and not s.netloc, None, None,
"True if the URI is a valid (not necessarily existing) local filename")
def __repr__(self):
return "%s(%r)" % (type(self).__name__, self.unescaped)
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