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Update idna-3.3
This commit is contained in:
parent
2f1a08009f
commit
a3bfabb5f6
9 changed files with 7591 additions and 6113 deletions
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@ -1,2 +1,44 @@
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from .package_data import __version__
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from .core import *
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from .core import (
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IDNABidiError,
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IDNAError,
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InvalidCodepoint,
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InvalidCodepointContext,
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alabel,
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check_bidi,
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check_hyphen_ok,
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check_initial_combiner,
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check_label,
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check_nfc,
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decode,
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encode,
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ulabel,
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uts46_remap,
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valid_contextj,
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valid_contexto,
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valid_label_length,
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valid_string_length,
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)
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from .intranges import intranges_contain
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__all__ = [
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"IDNABidiError",
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"IDNAError",
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"InvalidCodepoint",
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"InvalidCodepointContext",
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"alabel",
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"check_bidi",
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"check_hyphen_ok",
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"check_initial_combiner",
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"check_label",
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"check_nfc",
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"decode",
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"encode",
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"intranges_contain",
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"ulabel",
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"uts46_remap",
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"valid_contextj",
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"valid_contexto",
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"valid_label_length",
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"valid_string_length",
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]
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@ -1,41 +1,40 @@
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from .core import encode, decode, alabel, ulabel, IDNAError
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import codecs
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import re
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from typing import Tuple, Optional
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_unicode_dots_re = re.compile(u'[\u002e\u3002\uff0e\uff61]')
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_unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]')
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class Codec(codecs.Codec):
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def encode(self, data, errors='strict'):
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def encode(self, data: str, errors: str = 'strict') -> Tuple[bytes, int]:
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if errors != 'strict':
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raise IDNAError("Unsupported error handling \"{0}\"".format(errors))
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raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
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if not data:
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return "", 0
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return b"", 0
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return encode(data), len(data)
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def decode(self, data, errors='strict'):
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def decode(self, data: bytes, errors: str = 'strict') -> Tuple[str, int]:
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if errors != 'strict':
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raise IDNAError("Unsupported error handling \"{0}\"".format(errors))
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raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
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if not data:
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return u"", 0
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return '', 0
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return decode(data), len(data)
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class IncrementalEncoder(codecs.BufferedIncrementalEncoder):
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def _buffer_encode(self, data, errors, final):
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def _buffer_encode(self, data: str, errors: str, final: bool) -> Tuple[str, int]: # type: ignore
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if errors != 'strict':
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raise IDNAError("Unsupported error handling \"{0}\"".format(errors))
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raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
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if not data:
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return ("", 0)
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return "", 0
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labels = _unicode_dots_re.split(data)
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trailing_dot = u''
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trailing_dot = ''
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if labels:
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if not labels[-1]:
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trailing_dot = '.'
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@ -55,37 +54,29 @@ class IncrementalEncoder(codecs.BufferedIncrementalEncoder):
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size += len(label)
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# Join with U+002E
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result = ".".join(result) + trailing_dot
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result_str = '.'.join(result) + trailing_dot # type: ignore
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size += len(trailing_dot)
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return (result, size)
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return result_str, size
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class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
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def _buffer_decode(self, data, errors, final):
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def _buffer_decode(self, data: str, errors: str, final: bool) -> Tuple[str, int]: # type: ignore
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if errors != 'strict':
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raise IDNAError("Unsupported error handling \"{0}\"".format(errors))
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raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
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if not data:
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return (u"", 0)
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return ('', 0)
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# IDNA allows decoding to operate on Unicode strings, too.
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if isinstance(data, unicode):
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labels = _unicode_dots_re.split(data)
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else:
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# Must be ASCII string
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data = str(data)
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unicode(data, "ascii")
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labels = data.split(".")
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trailing_dot = u''
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trailing_dot = ''
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if labels:
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if not labels[-1]:
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trailing_dot = u'.'
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trailing_dot = '.'
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del labels[-1]
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elif not final:
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# Keep potentially unfinished label until the next call
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del labels[-1]
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if labels:
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trailing_dot = u'.'
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trailing_dot = '.'
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result = []
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size = 0
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@ -95,22 +86,25 @@ class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
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size += 1
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size += len(label)
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result = u".".join(result) + trailing_dot
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result_str = '.'.join(result) + trailing_dot
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size += len(trailing_dot)
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return (result, size)
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return (result_str, size)
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class StreamWriter(Codec, codecs.StreamWriter):
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pass
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class StreamReader(Codec, codecs.StreamReader):
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pass
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def getregentry():
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def getregentry() -> codecs.CodecInfo:
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# Compatibility as a search_function for codecs.register()
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return codecs.CodecInfo(
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name='idna',
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encode=Codec().encode,
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decode=Codec().decode,
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encode=Codec().encode, # type: ignore
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decode=Codec().decode, # type: ignore
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incrementalencoder=IncrementalEncoder,
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incrementaldecoder=IncrementalDecoder,
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streamwriter=StreamWriter,
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@ -1,12 +1,13 @@
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from .core import *
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from .codec import *
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from typing import Any, Union
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def ToASCII(label):
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def ToASCII(label: str) -> bytes:
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return encode(label)
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def ToUnicode(label):
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def ToUnicode(label: Union[bytes, bytearray]) -> str:
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return decode(label)
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def nameprep(s):
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raise NotImplementedError("IDNA 2008 does not utilise nameprep protocol")
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def nameprep(s: Any) -> None:
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raise NotImplementedError('IDNA 2008 does not utilise nameprep protocol')
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196
lib/idna/core.py
196
lib/idna/core.py
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@ -2,16 +2,12 @@ from . import idnadata
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import bisect
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import unicodedata
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import re
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import sys
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from typing import Union, Optional
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from .intranges import intranges_contain
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_virama_combining_class = 9
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_alabel_prefix = b'xn--'
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_unicode_dots_re = re.compile(u'[\u002e\u3002\uff0e\uff61]')
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if sys.version_info[0] == 3:
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unicode = str
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unichr = chr
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_unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]')
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class IDNAError(UnicodeError):
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""" Base exception for all IDNA-encoding related problems """
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pass
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def _combining_class(cp):
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return unicodedata.combining(unichr(cp))
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def _combining_class(cp: int) -> int:
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v = unicodedata.combining(chr(cp))
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if v == 0:
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if not unicodedata.name(chr(cp)):
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raise ValueError('Unknown character in unicodedata')
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return v
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def _is_script(cp, script):
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def _is_script(cp: str, script: str) -> bool:
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return intranges_contain(ord(cp), idnadata.scripts[script])
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def _punycode(s):
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def _punycode(s: str) -> bytes:
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return s.encode('punycode')
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def _unot(s):
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return 'U+{0:04X}'.format(s)
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def _unot(s: int) -> str:
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return 'U+{:04X}'.format(s)
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def valid_label_length(label):
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def valid_label_length(label: Union[bytes, str]) -> bool:
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if len(label) > 63:
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return False
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return True
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def valid_string_length(label, trailing_dot):
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def valid_string_length(label: Union[bytes, str], trailing_dot: bool) -> bool:
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if len(label) > (254 if trailing_dot else 253):
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return False
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return True
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def check_bidi(label, check_ltr=False):
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def check_bidi(label: str, check_ltr: bool = False) -> bool:
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# Bidi rules should only be applied if string contains RTL characters
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bidi_label = False
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for (idx, cp) in enumerate(label, 1):
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direction = unicodedata.bidirectional(cp)
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if direction == '':
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# String likely comes from a newer version of Unicode
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raise IDNABidiError('Unknown directionality in label {0} at position {1}'.format(repr(label), idx))
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raise IDNABidiError('Unknown directionality in label {} at position {}'.format(repr(label), idx))
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if direction in ['R', 'AL', 'AN']:
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bidi_label = True
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break
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if not bidi_label and not check_ltr:
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return True
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elif direction == 'L':
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rtl = False
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else:
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raise IDNABidiError('First codepoint in label {0} must be directionality L, R or AL'.format(repr(label)))
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raise IDNABidiError('First codepoint in label {} must be directionality L, R or AL'.format(repr(label)))
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valid_ending = False
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number_type = False
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number_type = None # type: Optional[str]
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for (idx, cp) in enumerate(label, 1):
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direction = unicodedata.bidirectional(cp)
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if rtl:
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# Bidi rule 2
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if not direction in ['R', 'AL', 'AN', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']:
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raise IDNABidiError('Invalid direction for codepoint at position {0} in a right-to-left label'.format(idx))
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raise IDNABidiError('Invalid direction for codepoint at position {} in a right-to-left label'.format(idx))
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# Bidi rule 3
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if direction in ['R', 'AL', 'EN', 'AN']:
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valid_ending = True
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@ -108,7 +104,7 @@ def check_bidi(label, check_ltr=False):
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else:
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# Bidi rule 5
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if not direction in ['L', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']:
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raise IDNABidiError('Invalid direction for codepoint at position {0} in a left-to-right label'.format(idx))
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raise IDNABidiError('Invalid direction for codepoint at position {} in a left-to-right label'.format(idx))
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# Bidi rule 6
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if direction in ['L', 'EN']:
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valid_ending = True
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@ -121,15 +117,13 @@ def check_bidi(label, check_ltr=False):
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return True
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def check_initial_combiner(label):
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def check_initial_combiner(label: str) -> bool:
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if unicodedata.category(label[0])[0] == 'M':
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raise IDNAError('Label begins with an illegal combining character')
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return True
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def check_hyphen_ok(label):
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def check_hyphen_ok(label: str) -> bool:
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if label[2:4] == '--':
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raise IDNAError('Label has disallowed hyphens in 3rd and 4th position')
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if label[0] == '-' or label[-1] == '-':
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@ -137,14 +131,12 @@ def check_hyphen_ok(label):
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return True
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def check_nfc(label):
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def check_nfc(label: str) -> None:
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if unicodedata.normalize('NFC', label) != label:
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raise IDNAError('Label must be in Normalization Form C')
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def valid_contextj(label, pos):
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def valid_contextj(label: str, pos: int) -> bool:
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cp_value = ord(label[pos])
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if cp_value == 0x200c:
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@ -187,8 +179,7 @@ def valid_contextj(label, pos):
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return False
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def valid_contexto(label, pos, exception=False):
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def valid_contexto(label: str, pos: int, exception: bool = False) -> bool:
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cp_value = ord(label[pos])
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if cp_value == 0x00b7:
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@ -209,7 +200,7 @@ def valid_contexto(label, pos, exception=False):
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elif cp_value == 0x30fb:
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for cp in label:
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if cp == u'\u30fb':
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if cp == '\u30fb':
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continue
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if _is_script(cp, 'Hiragana') or _is_script(cp, 'Katakana') or _is_script(cp, 'Han'):
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return True
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@ -227,9 +218,10 @@ def valid_contexto(label, pos, exception=False):
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return False
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return True
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return False
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def check_label(label):
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def check_label(label: Union[str, bytes, bytearray]) -> None:
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if isinstance(label, (bytes, bytearray)):
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label = label.decode('utf-8')
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if len(label) == 0:
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@ -244,98 +236,110 @@ def check_label(label):
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if intranges_contain(cp_value, idnadata.codepoint_classes['PVALID']):
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continue
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elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTJ']):
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try:
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if not valid_contextj(label, pos):
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raise InvalidCodepointContext('Joiner {0} not allowed at position {1} in {2}'.format(_unot(cp_value), pos+1, repr(label)))
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raise InvalidCodepointContext('Joiner {} not allowed at position {} in {}'.format(
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_unot(cp_value), pos+1, repr(label)))
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except ValueError:
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raise IDNAError('Unknown codepoint adjacent to joiner {} at position {} in {}'.format(
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_unot(cp_value), pos+1, repr(label)))
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elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTO']):
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if not valid_contexto(label, pos):
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raise InvalidCodepointContext('Codepoint {0} not allowed at position {1} in {2}'.format(_unot(cp_value), pos+1, repr(label)))
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raise InvalidCodepointContext('Codepoint {} not allowed at position {} in {}'.format(_unot(cp_value), pos+1, repr(label)))
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else:
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raise InvalidCodepoint('Codepoint {0} at position {1} of {2} not allowed'.format(_unot(cp_value), pos+1, repr(label)))
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raise InvalidCodepoint('Codepoint {} at position {} of {} not allowed'.format(_unot(cp_value), pos+1, repr(label)))
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check_bidi(label)
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def alabel(label):
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def alabel(label: str) -> bytes:
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try:
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label = label.encode('ascii')
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try:
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ulabel(label)
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except IDNAError:
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raise IDNAError('The label {0} is not a valid A-label'.format(label))
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if not valid_label_length(label):
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label_bytes = label.encode('ascii')
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ulabel(label_bytes)
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if not valid_label_length(label_bytes):
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raise IDNAError('Label too long')
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return label
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return label_bytes
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except UnicodeEncodeError:
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pass
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|
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if not label:
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raise IDNAError('No Input')
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|
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label = unicode(label)
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label = str(label)
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check_label(label)
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label = _punycode(label)
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label = _alabel_prefix + label
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label_bytes = _punycode(label)
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label_bytes = _alabel_prefix + label_bytes
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if not valid_label_length(label):
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if not valid_label_length(label_bytes):
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raise IDNAError('Label too long')
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|
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return label
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return label_bytes
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|
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|
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def ulabel(label):
|
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|
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def ulabel(label: Union[str, bytes, bytearray]) -> str:
|
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if not isinstance(label, (bytes, bytearray)):
|
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try:
|
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label = label.encode('ascii')
|
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label_bytes = label.encode('ascii')
|
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except UnicodeEncodeError:
|
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check_label(label)
|
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return label
|
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|
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label = label.lower()
|
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if label.startswith(_alabel_prefix):
|
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label = label[len(_alabel_prefix):]
|
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else:
|
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check_label(label)
|
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return label.decode('ascii')
|
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label_bytes = label
|
||||
|
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label = label.decode('punycode')
|
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label_bytes = label_bytes.lower()
|
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if label_bytes.startswith(_alabel_prefix):
|
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label_bytes = label_bytes[len(_alabel_prefix):]
|
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if not label_bytes:
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raise IDNAError('Malformed A-label, no Punycode eligible content found')
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if label_bytes.decode('ascii')[-1] == '-':
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raise IDNAError('A-label must not end with a hyphen')
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else:
|
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check_label(label_bytes)
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return label_bytes.decode('ascii')
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|
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try:
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label = label_bytes.decode('punycode')
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except UnicodeError:
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raise IDNAError('Invalid A-label')
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check_label(label)
|
||||
return label
|
||||
|
||||
|
||||
def uts46_remap(domain, std3_rules=True, transitional=False):
|
||||
def uts46_remap(domain: str, std3_rules: bool = True, transitional: bool = False) -> str:
|
||||
"""Re-map the characters in the string according to UTS46 processing."""
|
||||
from .uts46data import uts46data
|
||||
output = u""
|
||||
try:
|
||||
output = ''
|
||||
|
||||
for pos, char in enumerate(domain):
|
||||
code_point = ord(char)
|
||||
try:
|
||||
uts46row = uts46data[code_point if code_point < 256 else
|
||||
bisect.bisect_left(uts46data, (code_point, "Z")) - 1]
|
||||
bisect.bisect_left(uts46data, (code_point, 'Z')) - 1]
|
||||
status = uts46row[1]
|
||||
replacement = uts46row[2] if len(uts46row) == 3 else None
|
||||
if (status == "V" or
|
||||
(status == "D" and not transitional) or
|
||||
(status == "3" and std3_rules and replacement is None)):
|
||||
replacement = None # type: Optional[str]
|
||||
if len(uts46row) == 3:
|
||||
replacement = uts46row[2] # type: ignore
|
||||
if (status == 'V' or
|
||||
(status == 'D' and not transitional) or
|
||||
(status == '3' and not std3_rules and replacement is None)):
|
||||
output += char
|
||||
elif replacement is not None and (status == "M" or
|
||||
(status == "3" and std3_rules) or
|
||||
(status == "D" and transitional)):
|
||||
elif replacement is not None and (status == 'M' or
|
||||
(status == '3' and not std3_rules) or
|
||||
(status == 'D' and transitional)):
|
||||
output += replacement
|
||||
elif status != "I":
|
||||
elif status != 'I':
|
||||
raise IndexError()
|
||||
return unicodedata.normalize("NFC", output)
|
||||
except IndexError:
|
||||
raise InvalidCodepoint(
|
||||
"Codepoint {0} not allowed at position {1} in {2}".format(
|
||||
'Codepoint {} not allowed at position {} in {}'.format(
|
||||
_unot(code_point), pos + 1, repr(domain)))
|
||||
|
||||
return unicodedata.normalize('NFC', output)
|
||||
|
||||
def encode(s, strict=False, uts46=False, std3_rules=False, transitional=False):
|
||||
|
||||
def encode(s: Union[str, bytes, bytearray], strict: bool = False, uts46: bool = False, std3_rules: bool = False, transitional: bool = False) -> bytes:
|
||||
if isinstance(s, (bytes, bytearray)):
|
||||
s = s.decode("ascii")
|
||||
s = s.decode('ascii')
|
||||
if uts46:
|
||||
s = uts46_remap(s, std3_rules, transitional)
|
||||
trailing_dot = False
|
||||
|
@ -344,15 +348,17 @@ def encode(s, strict=False, uts46=False, std3_rules=False, transitional=False):
|
|||
labels = s.split('.')
|
||||
else:
|
||||
labels = _unicode_dots_re.split(s)
|
||||
while labels and not labels[0]:
|
||||
del labels[0]
|
||||
if not labels:
|
||||
if not labels or labels == ['']:
|
||||
raise IDNAError('Empty domain')
|
||||
if labels[-1] == '':
|
||||
del labels[-1]
|
||||
trailing_dot = True
|
||||
for label in labels:
|
||||
result.append(alabel(label))
|
||||
s = alabel(label)
|
||||
if s:
|
||||
result.append(s)
|
||||
else:
|
||||
raise IDNAError('Empty label')
|
||||
if trailing_dot:
|
||||
result.append(b'')
|
||||
s = b'.'.join(result)
|
||||
|
@ -361,10 +367,12 @@ def encode(s, strict=False, uts46=False, std3_rules=False, transitional=False):
|
|||
return s
|
||||
|
||||
|
||||
def decode(s, strict=False, uts46=False, std3_rules=False):
|
||||
|
||||
def decode(s: Union[str, bytes, bytearray], strict: bool = False, uts46: bool = False, std3_rules: bool = False) -> str:
|
||||
try:
|
||||
if isinstance(s, (bytes, bytearray)):
|
||||
s = s.decode("ascii")
|
||||
s = s.decode('ascii')
|
||||
except UnicodeDecodeError:
|
||||
raise IDNAError('Invalid ASCII in A-label')
|
||||
if uts46:
|
||||
s = uts46_remap(s, std3_rules, False)
|
||||
trailing_dot = False
|
||||
|
@ -372,16 +380,18 @@ def decode(s, strict=False, uts46=False, std3_rules=False):
|
|||
if not strict:
|
||||
labels = _unicode_dots_re.split(s)
|
||||
else:
|
||||
labels = s.split(u'.')
|
||||
while labels and not labels[0]:
|
||||
del labels[0]
|
||||
if not labels:
|
||||
labels = s.split('.')
|
||||
if not labels or labels == ['']:
|
||||
raise IDNAError('Empty domain')
|
||||
if not labels[-1]:
|
||||
del labels[-1]
|
||||
trailing_dot = True
|
||||
for label in labels:
|
||||
result.append(ulabel(label))
|
||||
s = ulabel(label)
|
||||
if s:
|
||||
result.append(s)
|
||||
else:
|
||||
raise IDNAError('Empty label')
|
||||
if trailing_dot:
|
||||
result.append(u'')
|
||||
return u'.'.join(result)
|
||||
result.append('')
|
||||
return '.'.join(result)
|
||||
|
|
File diff suppressed because it is too large
Load diff
|
@ -6,8 +6,9 @@ in the original list?" in time O(log(# runs)).
|
|||
"""
|
||||
|
||||
import bisect
|
||||
from typing import List, Tuple
|
||||
|
||||
def intranges_from_list(list_):
|
||||
def intranges_from_list(list_: List[int]) -> Tuple[int, ...]:
|
||||
"""Represent a list of integers as a sequence of ranges:
|
||||
((start_0, end_0), (start_1, end_1), ...), such that the original
|
||||
integers are exactly those x such that start_i <= x < end_i for some i.
|
||||
|
@ -28,14 +29,14 @@ def intranges_from_list(list_):
|
|||
|
||||
return tuple(ranges)
|
||||
|
||||
def _encode_range(start, end):
|
||||
def _encode_range(start: int, end: int) -> int:
|
||||
return (start << 32) | end
|
||||
|
||||
def _decode_range(r):
|
||||
def _decode_range(r: int) -> Tuple[int, int]:
|
||||
return (r >> 32), (r & ((1 << 32) - 1))
|
||||
|
||||
|
||||
def intranges_contain(int_, ranges):
|
||||
def intranges_contain(int_: int, ranges: Tuple[int, ...]) -> bool:
|
||||
"""Determine if `int_` falls into one of the ranges in `ranges`."""
|
||||
tuple_ = _encode_range(int_, 0)
|
||||
pos = bisect.bisect_left(ranges, tuple_)
|
||||
|
|
|
@ -1,2 +1,2 @@
|
|||
__version__ = '2.6'
|
||||
__version__ = '3.3'
|
||||
|
||||
|
|
0
lib/idna/py.typed
Normal file
0
lib/idna/py.typed
Normal file
12636
lib/idna/uts46data.py
12636
lib/idna/uts46data.py
File diff suppressed because it is too large
Load diff
Loading…
Add table
Add a link
Reference in a new issue