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-rw-r--r--venv/lib/python3.11/site-packages/idna/codec.py118
1 files changed, 118 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/idna/codec.py b/venv/lib/python3.11/site-packages/idna/codec.py
new file mode 100644
index 0000000..c855a4d
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/idna/codec.py
@@ -0,0 +1,118 @@
+from .core import encode, decode, alabel, ulabel, IDNAError
+import codecs
+import re
+from typing import Any, Tuple, Optional
+
+_unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]')
+
+class Codec(codecs.Codec):
+
+ def encode(self, data: str, errors: str = 'strict') -> Tuple[bytes, int]:
+ if errors != 'strict':
+ raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+ if not data:
+ return b"", 0
+
+ return encode(data), len(data)
+
+ def decode(self, data: bytes, errors: str = 'strict') -> Tuple[str, int]:
+ if errors != 'strict':
+ raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+ if not data:
+ return '', 0
+
+ return decode(data), len(data)
+
+class IncrementalEncoder(codecs.BufferedIncrementalEncoder):
+ def _buffer_encode(self, data: str, errors: str, final: bool) -> Tuple[bytes, int]:
+ if errors != 'strict':
+ raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+ if not data:
+ return b'', 0
+
+ labels = _unicode_dots_re.split(data)
+ trailing_dot = b''
+ if labels:
+ if not labels[-1]:
+ trailing_dot = b'.'
+ del labels[-1]
+ elif not final:
+ # Keep potentially unfinished label until the next call
+ del labels[-1]
+ if labels:
+ trailing_dot = b'.'
+
+ result = []
+ size = 0
+ for label in labels:
+ result.append(alabel(label))
+ if size:
+ size += 1
+ size += len(label)
+
+ # Join with U+002E
+ result_bytes = b'.'.join(result) + trailing_dot
+ size += len(trailing_dot)
+ return result_bytes, size
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+ def _buffer_decode(self, data: Any, errors: str, final: bool) -> Tuple[str, int]:
+ if errors != 'strict':
+ raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+ if not data:
+ return ('', 0)
+
+ if not isinstance(data, str):
+ data = str(data, 'ascii')
+
+ labels = _unicode_dots_re.split(data)
+ trailing_dot = ''
+ if labels:
+ if not labels[-1]:
+ trailing_dot = '.'
+ del labels[-1]
+ elif not final:
+ # Keep potentially unfinished label until the next call
+ del labels[-1]
+ if labels:
+ trailing_dot = '.'
+
+ result = []
+ size = 0
+ for label in labels:
+ result.append(ulabel(label))
+ if size:
+ size += 1
+ size += len(label)
+
+ result_str = '.'.join(result) + trailing_dot
+ size += len(trailing_dot)
+ return (result_str, size)
+
+
+class StreamWriter(Codec, codecs.StreamWriter):
+ pass
+
+
+class StreamReader(Codec, codecs.StreamReader):
+ pass
+
+
+def search_function(name: str) -> Optional[codecs.CodecInfo]:
+ if name != 'idna2008':
+ return None
+ return codecs.CodecInfo(
+ name=name,
+ encode=Codec().encode,
+ decode=Codec().decode,
+ incrementalencoder=IncrementalEncoder,
+ incrementaldecoder=IncrementalDecoder,
+ streamwriter=StreamWriter,
+ streamreader=StreamReader,
+ )
+
+codecs.register(search_function)