mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-11 13:43:37 +00:00
214 lines
5.7 KiB
Python
214 lines
5.7 KiB
Python
from collections import namedtuple
|
|
|
|
from ..exceptions import LocationParseError
|
|
|
|
|
|
url_attrs = ['scheme', 'auth', 'host', 'port', 'path', 'query', 'fragment']
|
|
|
|
|
|
class Url(namedtuple('Url', url_attrs)):
|
|
"""
|
|
Datastructure for representing an HTTP URL. Used as a return value for
|
|
:func:`parse_url`.
|
|
"""
|
|
slots = ()
|
|
|
|
def __new__(cls, scheme=None, auth=None, host=None, port=None, path=None,
|
|
query=None, fragment=None):
|
|
if path and not path.startswith('/'):
|
|
path = '/' + path
|
|
return super(Url, cls).__new__(cls, scheme, auth, host, port, path,
|
|
query, fragment)
|
|
|
|
@property
|
|
def hostname(self):
|
|
"""For backwards-compatibility with urlparse. We're nice like that."""
|
|
return self.host
|
|
|
|
@property
|
|
def request_uri(self):
|
|
"""Absolute path including the query string."""
|
|
uri = self.path or '/'
|
|
|
|
if self.query is not None:
|
|
uri += '?' + self.query
|
|
|
|
return uri
|
|
|
|
@property
|
|
def netloc(self):
|
|
"""Network location including host and port"""
|
|
if self.port:
|
|
return '%s:%d' % (self.host, self.port)
|
|
return self.host
|
|
|
|
@property
|
|
def url(self):
|
|
"""
|
|
Convert self into a url
|
|
|
|
This function should more or less round-trip with :func:`.parse_url`. The
|
|
returned url may not be exactly the same as the url inputted to
|
|
:func:`.parse_url`, but it should be equivalent by the RFC (e.g., urls
|
|
with a blank port will have : removed).
|
|
|
|
Example: ::
|
|
|
|
>>> U = parse_url('http://google.com/mail/')
|
|
>>> U.url
|
|
'http://google.com/mail/'
|
|
>>> Url('http', 'username:password', 'host.com', 80,
|
|
... '/path', 'query', 'fragment').url
|
|
'http://username:password@host.com:80/path?query#fragment'
|
|
"""
|
|
scheme, auth, host, port, path, query, fragment = self
|
|
url = ''
|
|
|
|
# We use "is not None" we want things to happen with empty strings (or 0 port)
|
|
if scheme is not None:
|
|
url += scheme + '://'
|
|
if auth is not None:
|
|
url += auth + '@'
|
|
if host is not None:
|
|
url += host
|
|
if port is not None:
|
|
url += ':' + str(port)
|
|
if path is not None:
|
|
url += path
|
|
if query is not None:
|
|
url += '?' + query
|
|
if fragment is not None:
|
|
url += '#' + fragment
|
|
|
|
return url
|
|
|
|
def __str__(self):
|
|
return self.url
|
|
|
|
def split_first(s, delims):
|
|
"""
|
|
Given a string and an iterable of delimiters, split on the first found
|
|
delimiter. Return two split parts and the matched delimiter.
|
|
|
|
If not found, then the first part is the full input string.
|
|
|
|
Example::
|
|
|
|
>>> split_first('foo/bar?baz', '?/=')
|
|
('foo', 'bar?baz', '/')
|
|
>>> split_first('foo/bar?baz', '123')
|
|
('foo/bar?baz', '', None)
|
|
|
|
Scales linearly with number of delims. Not ideal for large number of delims.
|
|
"""
|
|
min_idx = None
|
|
min_delim = None
|
|
for d in delims:
|
|
idx = s.find(d)
|
|
if idx < 0:
|
|
continue
|
|
|
|
if min_idx is None or idx < min_idx:
|
|
min_idx = idx
|
|
min_delim = d
|
|
|
|
if min_idx is None or min_idx < 0:
|
|
return s, '', None
|
|
|
|
return s[:min_idx], s[min_idx+1:], min_delim
|
|
|
|
|
|
def parse_url(url):
|
|
"""
|
|
Given a url, return a parsed :class:`.Url` namedtuple. Best-effort is
|
|
performed to parse incomplete urls. Fields not provided will be None.
|
|
|
|
Partly backwards-compatible with :mod:`urlparse`.
|
|
|
|
Example::
|
|
|
|
>>> parse_url('http://google.com/mail/')
|
|
Url(scheme='http', host='google.com', port=None, path='/mail/', ...)
|
|
>>> parse_url('google.com:80')
|
|
Url(scheme=None, host='google.com', port=80, path=None, ...)
|
|
>>> parse_url('/foo?bar')
|
|
Url(scheme=None, host=None, port=None, path='/foo', query='bar', ...)
|
|
"""
|
|
|
|
# While this code has overlap with stdlib's urlparse, it is much
|
|
# simplified for our needs and less annoying.
|
|
# Additionally, this implementations does silly things to be optimal
|
|
# on CPython.
|
|
|
|
if not url:
|
|
# Empty
|
|
return Url()
|
|
|
|
scheme = None
|
|
auth = None
|
|
host = None
|
|
port = None
|
|
path = None
|
|
fragment = None
|
|
query = None
|
|
|
|
# Scheme
|
|
if '://' in url:
|
|
scheme, url = url.split('://', 1)
|
|
|
|
# Find the earliest Authority Terminator
|
|
# (http://tools.ietf.org/html/rfc3986#section-3.2)
|
|
url, path_, delim = split_first(url, ['/', '?', '#'])
|
|
|
|
if delim:
|
|
# Reassemble the path
|
|
path = delim + path_
|
|
|
|
# Auth
|
|
if '@' in url:
|
|
# Last '@' denotes end of auth part
|
|
auth, url = url.rsplit('@', 1)
|
|
|
|
# IPv6
|
|
if url and url[0] == '[':
|
|
host, url = url.split(']', 1)
|
|
host += ']'
|
|
|
|
# Port
|
|
if ':' in url:
|
|
_host, port = url.split(':', 1)
|
|
|
|
if not host:
|
|
host = _host
|
|
|
|
if port:
|
|
# If given, ports must be integers.
|
|
if not port.isdigit():
|
|
raise LocationParseError(url)
|
|
port = int(port)
|
|
else:
|
|
# Blank ports are cool, too. (rfc3986#section-3.2.3)
|
|
port = None
|
|
|
|
elif not host and url:
|
|
host = url
|
|
|
|
if not path:
|
|
return Url(scheme, auth, host, port, path, query, fragment)
|
|
|
|
# Fragment
|
|
if '#' in path:
|
|
path, fragment = path.split('#', 1)
|
|
|
|
# Query
|
|
if '?' in path:
|
|
path, query = path.split('?', 1)
|
|
|
|
return Url(scheme, auth, host, port, path, query, fragment)
|
|
|
|
def get_host(url):
|
|
"""
|
|
Deprecated. Use :func:`.parse_url` instead.
|
|
"""
|
|
p = parse_url(url)
|
|
return p.scheme or 'http', p.hostname, p.port
|