mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-12-13 08:54:55 +01:00
1145 lines
35 KiB
Python
1145 lines
35 KiB
Python
|
import functools
|
||
|
import sys
|
||
|
import warnings
|
||
|
from collections.abc import Mapping, Sequence
|
||
|
from ipaddress import ip_address
|
||
|
from urllib.parse import SplitResult, parse_qsl, urljoin, urlsplit, urlunsplit, quote
|
||
|
|
||
|
from multidict import MultiDict, MultiDictProxy
|
||
|
import idna
|
||
|
|
||
|
import math
|
||
|
|
||
|
|
||
|
from ._quoting import _Quoter, _Unquoter
|
||
|
|
||
|
|
||
|
DEFAULT_PORTS = {"http": 80, "https": 443, "ws": 80, "wss": 443}
|
||
|
|
||
|
sentinel = object()
|
||
|
|
||
|
|
||
|
def rewrite_module(obj: object) -> object:
|
||
|
obj.__module__ = "yarl"
|
||
|
return obj
|
||
|
|
||
|
|
||
|
class cached_property:
|
||
|
"""Use as a class method decorator. It operates almost exactly like
|
||
|
the Python `@property` decorator, but it puts the result of the
|
||
|
method it decorates into the instance dict after the first call,
|
||
|
effectively replacing the function it decorates with an instance
|
||
|
variable. It is, in Python parlance, a data descriptor.
|
||
|
|
||
|
"""
|
||
|
|
||
|
def __init__(self, wrapped):
|
||
|
self.wrapped = wrapped
|
||
|
try:
|
||
|
self.__doc__ = wrapped.__doc__
|
||
|
except AttributeError: # pragma: no cover
|
||
|
self.__doc__ = ""
|
||
|
self.name = wrapped.__name__
|
||
|
|
||
|
def __get__(self, inst, owner, _sentinel=sentinel):
|
||
|
if inst is None:
|
||
|
return self
|
||
|
val = inst._cache.get(self.name, _sentinel)
|
||
|
if val is not _sentinel:
|
||
|
return val
|
||
|
val = self.wrapped(inst)
|
||
|
inst._cache[self.name] = val
|
||
|
return val
|
||
|
|
||
|
def __set__(self, inst, value):
|
||
|
raise AttributeError("cached property is read-only")
|
||
|
|
||
|
|
||
|
@rewrite_module
|
||
|
class URL:
|
||
|
# Don't derive from str
|
||
|
# follow pathlib.Path design
|
||
|
# probably URL will not suffer from pathlib problems:
|
||
|
# it's intended for libraries like aiohttp,
|
||
|
# not to be passed into standard library functions like os.open etc.
|
||
|
|
||
|
# URL grammar (RFC 3986)
|
||
|
# pct-encoded = "%" HEXDIG HEXDIG
|
||
|
# reserved = gen-delims / sub-delims
|
||
|
# gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@"
|
||
|
# sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
|
||
|
# / "*" / "+" / "," / ";" / "="
|
||
|
# unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
|
||
|
# URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ]
|
||
|
# hier-part = "//" authority path-abempty
|
||
|
# / path-absolute
|
||
|
# / path-rootless
|
||
|
# / path-empty
|
||
|
# scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
|
||
|
# authority = [ userinfo "@" ] host [ ":" port ]
|
||
|
# userinfo = *( unreserved / pct-encoded / sub-delims / ":" )
|
||
|
# host = IP-literal / IPv4address / reg-name
|
||
|
# IP-literal = "[" ( IPv6address / IPvFuture ) "]"
|
||
|
# IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )
|
||
|
# IPv6address = 6( h16 ":" ) ls32
|
||
|
# / "::" 5( h16 ":" ) ls32
|
||
|
# / [ h16 ] "::" 4( h16 ":" ) ls32
|
||
|
# / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
|
||
|
# / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
|
||
|
# / [ *3( h16 ":" ) h16 ] "::" h16 ":" ls32
|
||
|
# / [ *4( h16 ":" ) h16 ] "::" ls32
|
||
|
# / [ *5( h16 ":" ) h16 ] "::" h16
|
||
|
# / [ *6( h16 ":" ) h16 ] "::"
|
||
|
# ls32 = ( h16 ":" h16 ) / IPv4address
|
||
|
# ; least-significant 32 bits of address
|
||
|
# h16 = 1*4HEXDIG
|
||
|
# ; 16 bits of address represented in hexadecimal
|
||
|
# IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
|
||
|
# dec-octet = DIGIT ; 0-9
|
||
|
# / %x31-39 DIGIT ; 10-99
|
||
|
# / "1" 2DIGIT ; 100-199
|
||
|
# / "2" %x30-34 DIGIT ; 200-249
|
||
|
# / "25" %x30-35 ; 250-255
|
||
|
# reg-name = *( unreserved / pct-encoded / sub-delims )
|
||
|
# port = *DIGIT
|
||
|
# path = path-abempty ; begins with "/" or is empty
|
||
|
# / path-absolute ; begins with "/" but not "//"
|
||
|
# / path-noscheme ; begins with a non-colon segment
|
||
|
# / path-rootless ; begins with a segment
|
||
|
# / path-empty ; zero characters
|
||
|
# path-abempty = *( "/" segment )
|
||
|
# path-absolute = "/" [ segment-nz *( "/" segment ) ]
|
||
|
# path-noscheme = segment-nz-nc *( "/" segment )
|
||
|
# path-rootless = segment-nz *( "/" segment )
|
||
|
# path-empty = 0<pchar>
|
||
|
# segment = *pchar
|
||
|
# segment-nz = 1*pchar
|
||
|
# segment-nz-nc = 1*( unreserved / pct-encoded / sub-delims / "@" )
|
||
|
# ; non-zero-length segment without any colon ":"
|
||
|
# pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
|
||
|
# query = *( pchar / "/" / "?" )
|
||
|
# fragment = *( pchar / "/" / "?" )
|
||
|
# URI-reference = URI / relative-ref
|
||
|
# relative-ref = relative-part [ "?" query ] [ "#" fragment ]
|
||
|
# relative-part = "//" authority path-abempty
|
||
|
# / path-absolute
|
||
|
# / path-noscheme
|
||
|
# / path-empty
|
||
|
# absolute-URI = scheme ":" hier-part [ "?" query ]
|
||
|
__slots__ = ("_cache", "_val")
|
||
|
|
||
|
_QUOTER = _Quoter(requote=False)
|
||
|
_REQUOTER = _Quoter()
|
||
|
_PATH_QUOTER = _Quoter(safe="@:", protected="/+", requote=False)
|
||
|
_PATH_REQUOTER = _Quoter(safe="@:", protected="/+")
|
||
|
_QUERY_QUOTER = _Quoter(safe="?/:@", protected="=+&;", qs=True, requote=False)
|
||
|
_QUERY_REQUOTER = _Quoter(safe="?/:@", protected="=+&;", qs=True)
|
||
|
_QUERY_PART_QUOTER = _Quoter(safe="?/:@", qs=True, requote=False)
|
||
|
_FRAGMENT_QUOTER = _Quoter(safe="?/:@", requote=False)
|
||
|
_FRAGMENT_REQUOTER = _Quoter(safe="?/:@")
|
||
|
|
||
|
_UNQUOTER = _Unquoter()
|
||
|
_PATH_UNQUOTER = _Unquoter(unsafe="+")
|
||
|
_QS_UNQUOTER = _Unquoter(qs=True)
|
||
|
|
||
|
def __new__(cls, val="", *, encoded=False, strict=None):
|
||
|
if strict is not None: # pragma: no cover
|
||
|
warnings.warn("strict parameter is ignored")
|
||
|
if type(val) is cls:
|
||
|
return val
|
||
|
if type(val) is str:
|
||
|
val = urlsplit(val)
|
||
|
elif type(val) is SplitResult:
|
||
|
if not encoded:
|
||
|
raise ValueError("Cannot apply decoding to SplitResult")
|
||
|
elif isinstance(val, str):
|
||
|
val = urlsplit(str(val))
|
||
|
else:
|
||
|
raise TypeError("Constructor parameter should be str")
|
||
|
|
||
|
if not encoded:
|
||
|
if not val[1]: # netloc
|
||
|
netloc = ""
|
||
|
host = ""
|
||
|
else:
|
||
|
host = val.hostname
|
||
|
if host is None:
|
||
|
raise ValueError("Invalid URL: host is required for absolute urls")
|
||
|
|
||
|
try:
|
||
|
port = val.port
|
||
|
except ValueError as e:
|
||
|
raise ValueError(
|
||
|
"Invalid URL: port can't be converted to integer"
|
||
|
) from e
|
||
|
|
||
|
netloc = cls._make_netloc(
|
||
|
val.username, val.password, host, port, encode=True, requote=True
|
||
|
)
|
||
|
path = cls._PATH_REQUOTER(val[2])
|
||
|
if netloc:
|
||
|
path = cls._normalize_path(path)
|
||
|
|
||
|
cls._validate_authority_uri_abs_path(host=host, path=path)
|
||
|
query = cls._QUERY_REQUOTER(val[3])
|
||
|
fragment = cls._FRAGMENT_REQUOTER(val[4])
|
||
|
val = SplitResult(val[0], netloc, path, query, fragment)
|
||
|
|
||
|
self = object.__new__(cls)
|
||
|
self._val = val
|
||
|
self._cache = {}
|
||
|
return self
|
||
|
|
||
|
@classmethod
|
||
|
def build(
|
||
|
cls,
|
||
|
*,
|
||
|
scheme="",
|
||
|
authority="",
|
||
|
user=None,
|
||
|
password=None,
|
||
|
host="",
|
||
|
port=None,
|
||
|
path="",
|
||
|
query=None,
|
||
|
query_string="",
|
||
|
fragment="",
|
||
|
encoded=False
|
||
|
):
|
||
|
"""Creates and returns a new URL"""
|
||
|
|
||
|
if authority and (user or password or host or port):
|
||
|
raise ValueError(
|
||
|
'Can\'t mix "authority" with "user", "password", "host" or "port".'
|
||
|
)
|
||
|
if port and not host:
|
||
|
raise ValueError('Can\'t build URL with "port" but without "host".')
|
||
|
if query and query_string:
|
||
|
raise ValueError('Only one of "query" or "query_string" should be passed')
|
||
|
if (
|
||
|
scheme is None
|
||
|
or authority is None
|
||
|
or path is None
|
||
|
or query_string is None
|
||
|
or fragment is None
|
||
|
):
|
||
|
raise TypeError(
|
||
|
'NoneType is illegal for "scheme", "authority", "path", '
|
||
|
'"query_string", and "fragment" args, use empty string instead.'
|
||
|
)
|
||
|
|
||
|
if authority:
|
||
|
if encoded:
|
||
|
netloc = authority
|
||
|
else:
|
||
|
tmp = SplitResult("", authority, "", "", "")
|
||
|
netloc = cls._make_netloc(
|
||
|
tmp.username, tmp.password, tmp.hostname, tmp.port, encode=True
|
||
|
)
|
||
|
elif not user and not password and not host and not port:
|
||
|
netloc = ""
|
||
|
else:
|
||
|
netloc = cls._make_netloc(
|
||
|
user, password, host, port, encode=not encoded, encode_host=not encoded
|
||
|
)
|
||
|
if not encoded:
|
||
|
path = cls._PATH_QUOTER(path)
|
||
|
if netloc:
|
||
|
path = cls._normalize_path(path)
|
||
|
|
||
|
cls._validate_authority_uri_abs_path(host=host, path=path)
|
||
|
query_string = cls._QUERY_QUOTER(query_string)
|
||
|
fragment = cls._FRAGMENT_QUOTER(fragment)
|
||
|
|
||
|
url = cls(
|
||
|
SplitResult(scheme, netloc, path, query_string, fragment), encoded=True
|
||
|
)
|
||
|
|
||
|
if query:
|
||
|
return url.with_query(query)
|
||
|
else:
|
||
|
return url
|
||
|
|
||
|
def __init_subclass__(cls):
|
||
|
raise TypeError("Inheritance a class {!r} from URL is forbidden".format(cls))
|
||
|
|
||
|
def __str__(self):
|
||
|
val = self._val
|
||
|
if not val.path and self.is_absolute() and (val.query or val.fragment):
|
||
|
val = val._replace(path="/")
|
||
|
return urlunsplit(val)
|
||
|
|
||
|
def __repr__(self):
|
||
|
return "{}('{}')".format(self.__class__.__name__, str(self))
|
||
|
|
||
|
def __eq__(self, other):
|
||
|
if not type(other) is URL:
|
||
|
return NotImplemented
|
||
|
|
||
|
val1 = self._val
|
||
|
if not val1.path and self.is_absolute():
|
||
|
val1 = val1._replace(path="/")
|
||
|
|
||
|
val2 = other._val
|
||
|
if not val2.path and other.is_absolute():
|
||
|
val2 = val2._replace(path="/")
|
||
|
|
||
|
return val1 == val2
|
||
|
|
||
|
def __hash__(self):
|
||
|
ret = self._cache.get("hash")
|
||
|
if ret is None:
|
||
|
val = self._val
|
||
|
if not val.path and self.is_absolute():
|
||
|
val = val._replace(path="/")
|
||
|
ret = self._cache["hash"] = hash(val)
|
||
|
return ret
|
||
|
|
||
|
def __le__(self, other):
|
||
|
if not type(other) is URL:
|
||
|
return NotImplemented
|
||
|
return self._val <= other._val
|
||
|
|
||
|
def __lt__(self, other):
|
||
|
if not type(other) is URL:
|
||
|
return NotImplemented
|
||
|
return self._val < other._val
|
||
|
|
||
|
def __ge__(self, other):
|
||
|
if not type(other) is URL:
|
||
|
return NotImplemented
|
||
|
return self._val >= other._val
|
||
|
|
||
|
def __gt__(self, other):
|
||
|
if not type(other) is URL:
|
||
|
return NotImplemented
|
||
|
return self._val > other._val
|
||
|
|
||
|
def __truediv__(self, name):
|
||
|
name = self._PATH_QUOTER(name)
|
||
|
if name.startswith("/"):
|
||
|
raise ValueError(
|
||
|
"Appending path {!r} starting from slash is forbidden".format(name)
|
||
|
)
|
||
|
path = self._val.path
|
||
|
if path == "/":
|
||
|
new_path = "/" + name
|
||
|
elif not path and not self.is_absolute():
|
||
|
new_path = name
|
||
|
else:
|
||
|
parts = path.rstrip("/").split("/")
|
||
|
parts.append(name)
|
||
|
new_path = "/".join(parts)
|
||
|
if self.is_absolute():
|
||
|
new_path = self._normalize_path(new_path)
|
||
|
return URL(
|
||
|
self._val._replace(path=new_path, query="", fragment=""), encoded=True
|
||
|
)
|
||
|
|
||
|
def __mod__(self, query):
|
||
|
return self.update_query(query)
|
||
|
|
||
|
def __bool__(self) -> bool:
|
||
|
return bool(
|
||
|
self._val.netloc or self._val.path or self._val.query or self._val.fragment
|
||
|
)
|
||
|
|
||
|
def __getstate__(self):
|
||
|
return (self._val,)
|
||
|
|
||
|
def __setstate__(self, state):
|
||
|
if state[0] is None and isinstance(state[1], dict):
|
||
|
# default style pickle
|
||
|
self._val = state[1]["_val"]
|
||
|
else:
|
||
|
self._val, *unused = state
|
||
|
self._cache = {}
|
||
|
|
||
|
def is_absolute(self):
|
||
|
"""A check for absolute URLs.
|
||
|
|
||
|
Return True for absolute ones (having scheme or starting
|
||
|
with //), False otherwise.
|
||
|
|
||
|
"""
|
||
|
return self.raw_host is not None
|
||
|
|
||
|
def is_default_port(self):
|
||
|
"""A check for default port.
|
||
|
|
||
|
Return True if port is default for specified scheme,
|
||
|
e.g. 'http://python.org' or 'http://python.org:80', False
|
||
|
otherwise.
|
||
|
|
||
|
"""
|
||
|
if self.port is None:
|
||
|
return False
|
||
|
default = DEFAULT_PORTS.get(self.scheme)
|
||
|
if default is None:
|
||
|
return False
|
||
|
return self.port == default
|
||
|
|
||
|
def origin(self):
|
||
|
"""Return an URL with scheme, host and port parts only.
|
||
|
|
||
|
user, password, path, query and fragment are removed.
|
||
|
|
||
|
"""
|
||
|
# TODO: add a keyword-only option for keeping user/pass maybe?
|
||
|
if not self.is_absolute():
|
||
|
raise ValueError("URL should be absolute")
|
||
|
if not self._val.scheme:
|
||
|
raise ValueError("URL should have scheme")
|
||
|
v = self._val
|
||
|
netloc = self._make_netloc(None, None, v.hostname, v.port)
|
||
|
val = v._replace(netloc=netloc, path="", query="", fragment="")
|
||
|
return URL(val, encoded=True)
|
||
|
|
||
|
def relative(self):
|
||
|
"""Return a relative part of the URL.
|
||
|
|
||
|
scheme, user, password, host and port are removed.
|
||
|
|
||
|
"""
|
||
|
if not self.is_absolute():
|
||
|
raise ValueError("URL should be absolute")
|
||
|
val = self._val._replace(scheme="", netloc="")
|
||
|
return URL(val, encoded=True)
|
||
|
|
||
|
@property
|
||
|
def scheme(self):
|
||
|
"""Scheme for absolute URLs.
|
||
|
|
||
|
Empty string for relative URLs or URLs starting with //
|
||
|
|
||
|
"""
|
||
|
return self._val.scheme
|
||
|
|
||
|
@property
|
||
|
def raw_authority(self):
|
||
|
"""Encoded authority part of URL.
|
||
|
|
||
|
Empty string for relative URLs.
|
||
|
|
||
|
"""
|
||
|
return self._val.netloc
|
||
|
|
||
|
@cached_property
|
||
|
def authority(self):
|
||
|
"""Decoded authority part of URL.
|
||
|
|
||
|
Empty string for relative URLs.
|
||
|
|
||
|
"""
|
||
|
return self._make_netloc(
|
||
|
self.user, self.password, self.host, self.port, encode_host=False
|
||
|
)
|
||
|
|
||
|
@property
|
||
|
def raw_user(self):
|
||
|
"""Encoded user part of URL.
|
||
|
|
||
|
None if user is missing.
|
||
|
|
||
|
"""
|
||
|
# not .username
|
||
|
ret = self._val.username
|
||
|
if not ret:
|
||
|
return None
|
||
|
return ret
|
||
|
|
||
|
@cached_property
|
||
|
def user(self):
|
||
|
"""Decoded user part of URL.
|
||
|
|
||
|
None if user is missing.
|
||
|
|
||
|
"""
|
||
|
return self._UNQUOTER(self.raw_user)
|
||
|
|
||
|
@property
|
||
|
def raw_password(self):
|
||
|
"""Encoded password part of URL.
|
||
|
|
||
|
None if password is missing.
|
||
|
|
||
|
"""
|
||
|
return self._val.password
|
||
|
|
||
|
@cached_property
|
||
|
def password(self):
|
||
|
"""Decoded password part of URL.
|
||
|
|
||
|
None if password is missing.
|
||
|
|
||
|
"""
|
||
|
return self._UNQUOTER(self.raw_password)
|
||
|
|
||
|
@property
|
||
|
def raw_host(self):
|
||
|
"""Encoded host part of URL.
|
||
|
|
||
|
None for relative URLs.
|
||
|
|
||
|
"""
|
||
|
# Use host instead of hostname for sake of shortness
|
||
|
# May add .hostname prop later
|
||
|
return self._val.hostname
|
||
|
|
||
|
@cached_property
|
||
|
def host(self):
|
||
|
"""Decoded host part of URL.
|
||
|
|
||
|
None for relative URLs.
|
||
|
|
||
|
"""
|
||
|
raw = self.raw_host
|
||
|
if raw is None:
|
||
|
return None
|
||
|
if "%" in raw:
|
||
|
# Hack for scoped IPv6 addresses like
|
||
|
# fe80::2%Проверка
|
||
|
# presence of '%' sign means only IPv6 address, so idna is useless.
|
||
|
return raw
|
||
|
return _idna_decode(raw)
|
||
|
|
||
|
@property
|
||
|
def port(self):
|
||
|
"""Port part of URL, with scheme-based fallback.
|
||
|
|
||
|
None for relative URLs or URLs without explicit port and
|
||
|
scheme without default port substitution.
|
||
|
|
||
|
"""
|
||
|
return self._val.port or DEFAULT_PORTS.get(self._val.scheme)
|
||
|
|
||
|
@property
|
||
|
def explicit_port(self):
|
||
|
"""Port part of URL, without scheme-based fallback.
|
||
|
|
||
|
None for relative URLs or URLs without explicit port.
|
||
|
|
||
|
"""
|
||
|
return self._val.port
|
||
|
|
||
|
@property
|
||
|
def raw_path(self):
|
||
|
"""Encoded path of URL.
|
||
|
|
||
|
/ for absolute URLs without path part.
|
||
|
|
||
|
"""
|
||
|
ret = self._val.path
|
||
|
if not ret and self.is_absolute():
|
||
|
ret = "/"
|
||
|
return ret
|
||
|
|
||
|
@cached_property
|
||
|
def path(self):
|
||
|
"""Decoded path of URL.
|
||
|
|
||
|
/ for absolute URLs without path part.
|
||
|
|
||
|
"""
|
||
|
return self._PATH_UNQUOTER(self.raw_path)
|
||
|
|
||
|
@cached_property
|
||
|
def query(self):
|
||
|
"""A MultiDictProxy representing parsed query parameters in decoded
|
||
|
representation.
|
||
|
|
||
|
Empty value if URL has no query part.
|
||
|
|
||
|
"""
|
||
|
ret = MultiDict(parse_qsl(self.raw_query_string, keep_blank_values=True))
|
||
|
return MultiDictProxy(ret)
|
||
|
|
||
|
@property
|
||
|
def raw_query_string(self):
|
||
|
"""Encoded query part of URL.
|
||
|
|
||
|
Empty string if query is missing.
|
||
|
|
||
|
"""
|
||
|
return self._val.query
|
||
|
|
||
|
@cached_property
|
||
|
def query_string(self):
|
||
|
"""Decoded query part of URL.
|
||
|
|
||
|
Empty string if query is missing.
|
||
|
|
||
|
"""
|
||
|
return self._QS_UNQUOTER(self.raw_query_string)
|
||
|
|
||
|
@cached_property
|
||
|
def path_qs(self):
|
||
|
"""Decoded path of URL with query."""
|
||
|
if not self.query_string:
|
||
|
return self.path
|
||
|
return "{}?{}".format(self.path, self.query_string)
|
||
|
|
||
|
@cached_property
|
||
|
def raw_path_qs(self):
|
||
|
"""Encoded path of URL with query."""
|
||
|
if not self.raw_query_string:
|
||
|
return self.raw_path
|
||
|
return "{}?{}".format(self.raw_path, self.raw_query_string)
|
||
|
|
||
|
@property
|
||
|
def raw_fragment(self):
|
||
|
"""Encoded fragment part of URL.
|
||
|
|
||
|
Empty string if fragment is missing.
|
||
|
|
||
|
"""
|
||
|
return self._val.fragment
|
||
|
|
||
|
@cached_property
|
||
|
def fragment(self):
|
||
|
"""Decoded fragment part of URL.
|
||
|
|
||
|
Empty string if fragment is missing.
|
||
|
|
||
|
"""
|
||
|
return self._UNQUOTER(self.raw_fragment)
|
||
|
|
||
|
@cached_property
|
||
|
def raw_parts(self):
|
||
|
"""A tuple containing encoded *path* parts.
|
||
|
|
||
|
('/',) for absolute URLs if *path* is missing.
|
||
|
|
||
|
"""
|
||
|
path = self._val.path
|
||
|
if self.is_absolute():
|
||
|
if not path:
|
||
|
parts = ["/"]
|
||
|
else:
|
||
|
parts = ["/"] + path[1:].split("/")
|
||
|
else:
|
||
|
if path.startswith("/"):
|
||
|
parts = ["/"] + path[1:].split("/")
|
||
|
else:
|
||
|
parts = path.split("/")
|
||
|
return tuple(parts)
|
||
|
|
||
|
@cached_property
|
||
|
def parts(self):
|
||
|
"""A tuple containing decoded *path* parts.
|
||
|
|
||
|
('/',) for absolute URLs if *path* is missing.
|
||
|
|
||
|
"""
|
||
|
return tuple(self._UNQUOTER(part) for part in self.raw_parts)
|
||
|
|
||
|
@cached_property
|
||
|
def parent(self):
|
||
|
"""A new URL with last part of path removed and cleaned up query and
|
||
|
fragment.
|
||
|
|
||
|
"""
|
||
|
path = self.raw_path
|
||
|
if not path or path == "/":
|
||
|
if self.raw_fragment or self.raw_query_string:
|
||
|
return URL(self._val._replace(query="", fragment=""), encoded=True)
|
||
|
return self
|
||
|
parts = path.split("/")
|
||
|
val = self._val._replace(path="/".join(parts[:-1]), query="", fragment="")
|
||
|
return URL(val, encoded=True)
|
||
|
|
||
|
@cached_property
|
||
|
def raw_name(self):
|
||
|
"""The last part of raw_parts."""
|
||
|
parts = self.raw_parts
|
||
|
if self.is_absolute():
|
||
|
parts = parts[1:]
|
||
|
if not parts:
|
||
|
return ""
|
||
|
else:
|
||
|
return parts[-1]
|
||
|
else:
|
||
|
return parts[-1]
|
||
|
|
||
|
@cached_property
|
||
|
def name(self):
|
||
|
"""The last part of parts."""
|
||
|
return self._UNQUOTER(self.raw_name)
|
||
|
|
||
|
@staticmethod
|
||
|
def _validate_authority_uri_abs_path(host, path):
|
||
|
"""Ensure that path in URL with authority starts with a leading slash.
|
||
|
|
||
|
Raise ValueError if not.
|
||
|
"""
|
||
|
if len(host) > 0 and len(path) > 0 and not path.startswith("/"):
|
||
|
raise ValueError(
|
||
|
"Path in a URL with authority should start with a slash ('/') if set"
|
||
|
)
|
||
|
|
||
|
@classmethod
|
||
|
def _normalize_path(cls, path):
|
||
|
# Drop '.' and '..' from path
|
||
|
|
||
|
segments = path.split("/")
|
||
|
resolved_path = []
|
||
|
|
||
|
for seg in segments:
|
||
|
if seg == "..":
|
||
|
try:
|
||
|
resolved_path.pop()
|
||
|
except IndexError:
|
||
|
# ignore any .. segments that would otherwise cause an
|
||
|
# IndexError when popped from resolved_path if
|
||
|
# resolving for rfc3986
|
||
|
pass
|
||
|
elif seg == ".":
|
||
|
continue
|
||
|
else:
|
||
|
resolved_path.append(seg)
|
||
|
|
||
|
if segments[-1] in (".", ".."):
|
||
|
# do some post-processing here.
|
||
|
# if the last segment was a relative dir,
|
||
|
# then we need to append the trailing '/'
|
||
|
resolved_path.append("")
|
||
|
|
||
|
return "/".join(resolved_path)
|
||
|
|
||
|
if sys.version_info >= (3, 7):
|
||
|
|
||
|
@classmethod
|
||
|
def _encode_host(cls, host, human=False):
|
||
|
try:
|
||
|
ip, sep, zone = host.partition("%")
|
||
|
ip = ip_address(ip)
|
||
|
except ValueError:
|
||
|
host = host.lower()
|
||
|
# IDNA encoding is slow,
|
||
|
# skip it for ASCII-only strings
|
||
|
# Don't move the check into _idna_encode() helper
|
||
|
# to reduce the cache size
|
||
|
if human or host.isascii():
|
||
|
return host
|
||
|
host = _idna_encode(host)
|
||
|
else:
|
||
|
host = ip.compressed
|
||
|
if sep:
|
||
|
host += "%" + zone
|
||
|
if ip.version == 6:
|
||
|
host = "[" + host + "]"
|
||
|
return host
|
||
|
|
||
|
else:
|
||
|
# work around for missing str.isascii() in Python <= 3.6
|
||
|
@classmethod
|
||
|
def _encode_host(cls, host, human=False):
|
||
|
try:
|
||
|
ip, sep, zone = host.partition("%")
|
||
|
ip = ip_address(ip)
|
||
|
except ValueError:
|
||
|
host = host.lower()
|
||
|
if human:
|
||
|
return host
|
||
|
|
||
|
for char in host:
|
||
|
if char > "\x7f":
|
||
|
break
|
||
|
else:
|
||
|
return host
|
||
|
host = _idna_encode(host)
|
||
|
else:
|
||
|
host = ip.compressed
|
||
|
if sep:
|
||
|
host += "%" + zone
|
||
|
if ip.version == 6:
|
||
|
host = "[" + host + "]"
|
||
|
return host
|
||
|
|
||
|
@classmethod
|
||
|
def _make_netloc(
|
||
|
cls, user, password, host, port, encode=False, encode_host=True, requote=False
|
||
|
):
|
||
|
quoter = cls._REQUOTER if requote else cls._QUOTER
|
||
|
if encode_host:
|
||
|
ret = cls._encode_host(host)
|
||
|
else:
|
||
|
ret = host
|
||
|
if port:
|
||
|
ret = ret + ":" + str(port)
|
||
|
if password is not None:
|
||
|
if not user:
|
||
|
user = ""
|
||
|
else:
|
||
|
if encode:
|
||
|
user = quoter(user)
|
||
|
if encode:
|
||
|
password = quoter(password)
|
||
|
user = user + ":" + password
|
||
|
elif user and encode:
|
||
|
user = quoter(user)
|
||
|
if user:
|
||
|
ret = user + "@" + ret
|
||
|
return ret
|
||
|
|
||
|
def with_scheme(self, scheme):
|
||
|
"""Return a new URL with scheme replaced."""
|
||
|
# N.B. doesn't cleanup query/fragment
|
||
|
if not isinstance(scheme, str):
|
||
|
raise TypeError("Invalid scheme type")
|
||
|
if not self.is_absolute():
|
||
|
raise ValueError("scheme replacement is not allowed for relative URLs")
|
||
|
return URL(self._val._replace(scheme=scheme.lower()), encoded=True)
|
||
|
|
||
|
def with_user(self, user):
|
||
|
"""Return a new URL with user replaced.
|
||
|
|
||
|
Autoencode user if needed.
|
||
|
|
||
|
Clear user/password if user is None.
|
||
|
|
||
|
"""
|
||
|
# N.B. doesn't cleanup query/fragment
|
||
|
val = self._val
|
||
|
if user is None:
|
||
|
password = None
|
||
|
elif isinstance(user, str):
|
||
|
user = self._QUOTER(user)
|
||
|
password = val.password
|
||
|
else:
|
||
|
raise TypeError("Invalid user type")
|
||
|
if not self.is_absolute():
|
||
|
raise ValueError("user replacement is not allowed for relative URLs")
|
||
|
return URL(
|
||
|
self._val._replace(
|
||
|
netloc=self._make_netloc(user, password, val.hostname, val.port)
|
||
|
),
|
||
|
encoded=True,
|
||
|
)
|
||
|
|
||
|
def with_password(self, password):
|
||
|
"""Return a new URL with password replaced.
|
||
|
|
||
|
Autoencode password if needed.
|
||
|
|
||
|
Clear password if argument is None.
|
||
|
|
||
|
"""
|
||
|
# N.B. doesn't cleanup query/fragment
|
||
|
if password is None:
|
||
|
pass
|
||
|
elif isinstance(password, str):
|
||
|
password = self._QUOTER(password)
|
||
|
else:
|
||
|
raise TypeError("Invalid password type")
|
||
|
if not self.is_absolute():
|
||
|
raise ValueError("password replacement is not allowed for relative URLs")
|
||
|
val = self._val
|
||
|
return URL(
|
||
|
self._val._replace(
|
||
|
netloc=self._make_netloc(val.username, password, val.hostname, val.port)
|
||
|
),
|
||
|
encoded=True,
|
||
|
)
|
||
|
|
||
|
def with_host(self, host):
|
||
|
"""Return a new URL with host replaced.
|
||
|
|
||
|
Autoencode host if needed.
|
||
|
|
||
|
Changing host for relative URLs is not allowed, use .join()
|
||
|
instead.
|
||
|
|
||
|
"""
|
||
|
# N.B. doesn't cleanup query/fragment
|
||
|
if not isinstance(host, str):
|
||
|
raise TypeError("Invalid host type")
|
||
|
if not self.is_absolute():
|
||
|
raise ValueError("host replacement is not allowed for relative URLs")
|
||
|
if not host:
|
||
|
raise ValueError("host removing is not allowed")
|
||
|
val = self._val
|
||
|
return URL(
|
||
|
self._val._replace(
|
||
|
netloc=self._make_netloc(val.username, val.password, host, val.port)
|
||
|
),
|
||
|
encoded=True,
|
||
|
)
|
||
|
|
||
|
def with_port(self, port):
|
||
|
"""Return a new URL with port replaced.
|
||
|
|
||
|
Clear port to default if None is passed.
|
||
|
|
||
|
"""
|
||
|
# N.B. doesn't cleanup query/fragment
|
||
|
if port is not None and not isinstance(port, int):
|
||
|
raise TypeError("port should be int or None, got {}".format(type(port)))
|
||
|
if not self.is_absolute():
|
||
|
raise ValueError("port replacement is not allowed for relative URLs")
|
||
|
val = self._val
|
||
|
return URL(
|
||
|
self._val._replace(
|
||
|
netloc=self._make_netloc(
|
||
|
val.username, val.password, val.hostname, port, encode=True
|
||
|
)
|
||
|
),
|
||
|
encoded=True,
|
||
|
)
|
||
|
|
||
|
def with_path(self, path, *, encoded=False):
|
||
|
"""Return a new URL with path replaced."""
|
||
|
if not encoded:
|
||
|
path = self._PATH_QUOTER(path)
|
||
|
if self.is_absolute():
|
||
|
path = self._normalize_path(path)
|
||
|
if len(path) > 0 and path[0] != "/":
|
||
|
path = "/" + path
|
||
|
return URL(self._val._replace(path=path, query="", fragment=""), encoded=True)
|
||
|
|
||
|
@classmethod
|
||
|
def _query_seq_pairs(cls, quoter, pairs):
|
||
|
for key, val in pairs:
|
||
|
if isinstance(val, (list, tuple)):
|
||
|
for v in val:
|
||
|
yield quoter(key) + "=" + quoter(cls._query_var(v))
|
||
|
else:
|
||
|
yield quoter(key) + "=" + quoter(cls._query_var(val))
|
||
|
|
||
|
@staticmethod
|
||
|
def _query_var(v):
|
||
|
cls = type(v)
|
||
|
if issubclass(cls, str):
|
||
|
return v
|
||
|
if issubclass(cls, float):
|
||
|
if math.isinf(v):
|
||
|
raise ValueError("float('inf') is not supported")
|
||
|
if math.isnan(v):
|
||
|
raise ValueError("float('nan') is not supported")
|
||
|
return str(float(v))
|
||
|
if issubclass(cls, int) and cls is not bool:
|
||
|
return str(int(v))
|
||
|
raise TypeError(
|
||
|
"Invalid variable type: value "
|
||
|
"should be str, int or float, got {!r} "
|
||
|
"of type {}".format(v, cls)
|
||
|
)
|
||
|
|
||
|
def _get_str_query(self, *args, **kwargs):
|
||
|
if kwargs:
|
||
|
if len(args) > 0:
|
||
|
raise ValueError(
|
||
|
"Either kwargs or single query parameter must be present"
|
||
|
)
|
||
|
query = kwargs
|
||
|
elif len(args) == 1:
|
||
|
query = args[0]
|
||
|
else:
|
||
|
raise ValueError("Either kwargs or single query parameter must be present")
|
||
|
|
||
|
if query is None:
|
||
|
query = ""
|
||
|
elif isinstance(query, Mapping):
|
||
|
quoter = self._QUERY_PART_QUOTER
|
||
|
query = "&".join(self._query_seq_pairs(quoter, query.items()))
|
||
|
elif isinstance(query, str):
|
||
|
query = self._QUERY_QUOTER(query)
|
||
|
elif isinstance(query, (bytes, bytearray, memoryview)):
|
||
|
raise TypeError(
|
||
|
"Invalid query type: bytes, bytearray and memoryview are forbidden"
|
||
|
)
|
||
|
elif isinstance(query, Sequence):
|
||
|
quoter = self._QUERY_PART_QUOTER
|
||
|
# We don't expect sequence values if we're given a list of pairs
|
||
|
# already; only mappings like builtin `dict` which can't have the
|
||
|
# same key pointing to multiple values are allowed to use
|
||
|
# `_query_seq_pairs`.
|
||
|
query = "&".join(
|
||
|
quoter(k) + "=" + quoter(self._query_var(v)) for k, v in query
|
||
|
)
|
||
|
else:
|
||
|
raise TypeError(
|
||
|
"Invalid query type: only str, mapping or "
|
||
|
"sequence of (key, value) pairs is allowed"
|
||
|
)
|
||
|
|
||
|
return query
|
||
|
|
||
|
def with_query(self, *args, **kwargs):
|
||
|
"""Return a new URL with query part replaced.
|
||
|
|
||
|
Accepts any Mapping (e.g. dict, multidict.MultiDict instances)
|
||
|
or str, autoencode the argument if needed.
|
||
|
|
||
|
A sequence of (key, value) pairs is supported as well.
|
||
|
|
||
|
It also can take an arbitrary number of keyword arguments.
|
||
|
|
||
|
Clear query if None is passed.
|
||
|
|
||
|
"""
|
||
|
# N.B. doesn't cleanup query/fragment
|
||
|
|
||
|
new_query = self._get_str_query(*args, **kwargs)
|
||
|
return URL(
|
||
|
self._val._replace(path=self._val.path, query=new_query), encoded=True
|
||
|
)
|
||
|
|
||
|
def update_query(self, *args, **kwargs):
|
||
|
"""Return a new URL with query part updated."""
|
||
|
s = self._get_str_query(*args, **kwargs)
|
||
|
new_query = MultiDict(parse_qsl(s, keep_blank_values=True))
|
||
|
query = MultiDict(self.query)
|
||
|
query.update(new_query)
|
||
|
|
||
|
return URL(self._val._replace(query=self._get_str_query(query)), encoded=True)
|
||
|
|
||
|
def with_fragment(self, fragment):
|
||
|
"""Return a new URL with fragment replaced.
|
||
|
|
||
|
Autoencode fragment if needed.
|
||
|
|
||
|
Clear fragment to default if None is passed.
|
||
|
|
||
|
"""
|
||
|
# N.B. doesn't cleanup query/fragment
|
||
|
if fragment is None:
|
||
|
raw_fragment = ""
|
||
|
elif not isinstance(fragment, str):
|
||
|
raise TypeError("Invalid fragment type")
|
||
|
else:
|
||
|
raw_fragment = self._FRAGMENT_QUOTER(fragment)
|
||
|
if self.raw_fragment == raw_fragment:
|
||
|
return self
|
||
|
return URL(self._val._replace(fragment=raw_fragment), encoded=True)
|
||
|
|
||
|
def with_name(self, name):
|
||
|
"""Return a new URL with name (last part of path) replaced.
|
||
|
|
||
|
Query and fragment parts are cleaned up.
|
||
|
|
||
|
Name is encoded if needed.
|
||
|
|
||
|
"""
|
||
|
# N.B. DOES cleanup query/fragment
|
||
|
if not isinstance(name, str):
|
||
|
raise TypeError("Invalid name type")
|
||
|
if "/" in name:
|
||
|
raise ValueError("Slash in name is not allowed")
|
||
|
name = self._PATH_QUOTER(name)
|
||
|
if name in (".", ".."):
|
||
|
raise ValueError(". and .. values are forbidden")
|
||
|
parts = list(self.raw_parts)
|
||
|
if self.is_absolute():
|
||
|
if len(parts) == 1:
|
||
|
parts.append(name)
|
||
|
else:
|
||
|
parts[-1] = name
|
||
|
parts[0] = "" # replace leading '/'
|
||
|
else:
|
||
|
parts[-1] = name
|
||
|
if parts[0] == "/":
|
||
|
parts[0] = "" # replace leading '/'
|
||
|
return URL(
|
||
|
self._val._replace(path="/".join(parts), query="", fragment=""),
|
||
|
encoded=True,
|
||
|
)
|
||
|
|
||
|
def join(self, url):
|
||
|
"""Join URLs
|
||
|
|
||
|
Construct a full (“absolute”) URL by combining a “base URL”
|
||
|
(self) with another URL (url).
|
||
|
|
||
|
Informally, this uses components of the base URL, in
|
||
|
particular the addressing scheme, the network location and
|
||
|
(part of) the path, to provide missing components in the
|
||
|
relative URL.
|
||
|
|
||
|
"""
|
||
|
# See docs for urllib.parse.urljoin
|
||
|
if not isinstance(url, URL):
|
||
|
raise TypeError("url should be URL")
|
||
|
return URL(urljoin(str(self), str(url)), encoded=True)
|
||
|
|
||
|
def human_repr(self):
|
||
|
"""Return decoded human readable string for URL representation."""
|
||
|
user = _human_quote(self.user, "#/:?@")
|
||
|
password = _human_quote(self.password, "#/:?@")
|
||
|
host = self.host
|
||
|
if host:
|
||
|
host = self._encode_host(self.host, human=True)
|
||
|
path = _human_quote(self.path, "#?")
|
||
|
query_string = "&".join(
|
||
|
"{}={}".format(_human_quote(k, "#&+;="), _human_quote(v, "#&+;="))
|
||
|
for k, v in self.query.items()
|
||
|
)
|
||
|
fragment = _human_quote(self.fragment, "")
|
||
|
return urlunsplit(
|
||
|
SplitResult(
|
||
|
self.scheme,
|
||
|
self._make_netloc(
|
||
|
user,
|
||
|
password,
|
||
|
host,
|
||
|
self._val.port,
|
||
|
encode_host=False,
|
||
|
),
|
||
|
path,
|
||
|
query_string,
|
||
|
fragment,
|
||
|
)
|
||
|
)
|
||
|
|
||
|
|
||
|
def _human_quote(s, unsafe):
|
||
|
if not s:
|
||
|
return s
|
||
|
for c in "%" + unsafe:
|
||
|
if c in s:
|
||
|
s = s.replace(c, "%{:02X}".format(ord(c)))
|
||
|
if s.isprintable():
|
||
|
return s
|
||
|
return "".join(c if c.isprintable() else quote(c) for c in s)
|
||
|
|
||
|
|
||
|
_MAXCACHE = 256
|
||
|
|
||
|
|
||
|
@functools.lru_cache(_MAXCACHE)
|
||
|
def _idna_decode(raw):
|
||
|
try:
|
||
|
return idna.decode(raw.encode("ascii"))
|
||
|
except UnicodeError: # e.g. '::1'
|
||
|
return raw.encode("ascii").decode("idna")
|
||
|
|
||
|
|
||
|
@functools.lru_cache(_MAXCACHE)
|
||
|
def _idna_encode(host):
|
||
|
try:
|
||
|
return idna.encode(host, uts46=True).decode("ascii")
|
||
|
except UnicodeError:
|
||
|
return host.encode("idna").decode("ascii")
|
||
|
|
||
|
|
||
|
@rewrite_module
|
||
|
def cache_clear():
|
||
|
_idna_decode.cache_clear()
|
||
|
_idna_encode.cache_clear()
|
||
|
|
||
|
|
||
|
@rewrite_module
|
||
|
def cache_info():
|
||
|
return {
|
||
|
"idna_encode": _idna_encode.cache_info(),
|
||
|
"idna_decode": _idna_decode.cache_info(),
|
||
|
}
|
||
|
|
||
|
|
||
|
@rewrite_module
|
||
|
def cache_configure(*, idna_encode_size=_MAXCACHE, idna_decode_size=_MAXCACHE):
|
||
|
global _idna_decode, _idna_encode
|
||
|
|
||
|
_idna_encode = functools.lru_cache(idna_encode_size)(_idna_encode.__wrapped__)
|
||
|
_idna_decode = functools.lru_cache(idna_decode_size)(_idna_decode.__wrapped__)
|