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File Content: `codec.py`

from .core import encode, decode, alabel, ulabel, IDNAError
import codecs
import re

_unicode_dots_re = re.compile(u'[\u002e\u3002\uff0e\uff61]')

class Codec(codecs.Codec):

    def encode(self, data, errors='strict'):

        if errors != 'strict':
            raise IDNAError("Unsupported error handling \"{0}\"".format(errors))

        if not data:
            return "", 0

        return encode(data), len(data)

    def decode(self, data, errors='strict'):

        if errors != 'strict':
            raise IDNAError("Unsupported error handling \"{0}\"".format(errors))

        if not data:
            return u"", 0

        return decode(data), len(data)

class IncrementalEncoder(codecs.BufferedIncrementalEncoder):
    def _buffer_encode(self, data, errors, final):
        if errors != 'strict':
            raise IDNAError("Unsupported error handling \"{0}\"".format(errors))

        if not data:
            return ("", 0)

        labels = _unicode_dots_re.split(data)
        trailing_dot = u''
        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(alabel(label))
            if size:
                size += 1
            size += len(label)

        # Join with U+002E
        result = ".".join(result) + trailing_dot
        size += len(trailing_dot)
        return (result, size)

class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
    def _buffer_decode(self, data, errors, final):
        if errors != 'strict':
            raise IDNAError("Unsupported error handling \"{0}\"".format(errors))

        if not data:
            return (u"", 0)

        # IDNA allows decoding to operate on Unicode strings, too.
        if isinstance(data, unicode):
            labels = _unicode_dots_re.split(data)
        else:
            # Must be ASCII string
            data = str(data)
            unicode(data, "ascii")
            labels = data.split(".")

        trailing_dot = u''
        if labels:
            if not labels[-1]:
                trailing_dot = u'.'
                del labels[-1]
            elif not final:
                # Keep potentially unfinished label until the next call
                del labels[-1]
                if labels:
                    trailing_dot = u'.'

        result = []
        size = 0
        for label in labels:
            result.append(ulabel(label))
            if size:
                size += 1
            size += len(label)

        result = u".".join(result) + trailing_dot
        size += len(trailing_dot)
        return (result, size)


class StreamWriter(Codec, codecs.StreamWriter):
    pass

class StreamReader(Codec, codecs.StreamReader):
    pass

def getregentry():
    return codecs.CodecInfo(
        name='idna',
        encode=Codec().encode,
        decode=Codec().decode,
        incrementalencoder=IncrementalEncoder,
        incrementaldecoder=IncrementalDecoder,
        streamwriter=StreamWriter,
        streamreader=StreamReader,
    )

Name	Size	Permission
__pycache__	---	0755
__init__.py	58 bytes	0644
__init__.pyc	257 bytes	0644
__init__.pyo	257 bytes	0644
codec.py	3299 bytes	0644
codec.pyc	4112 bytes	0644
codec.pyo	4112 bytes	0644
compat.py	232 bytes	0644
compat.pyc	863 bytes	0644
compat.pyo	863 bytes	0644
core.py	11951 bytes	0644
core.pyc	12497 bytes	0644
core.pyo	12497 bytes	0644
idnadata.py	42350 bytes	0644
idnadata.pyc	36194 bytes	0644
idnadata.pyo	36194 bytes	0644
intranges.py	1749 bytes	0644
intranges.pyc	2282 bytes	0644
intranges.pyo	2282 bytes	0644
package_data.py	22 bytes	0644
package_data.pyc	196 bytes	0644
package_data.pyo	196 bytes	0644
uts46data.py	202084 bytes	0644
uts46data.pyc	299377 bytes	0644
uts46data.pyo	299377 bytes	0644

File Content: codec.py

File Content: `codec.py`