Plan 9 from Bell Labs’s /usr/web/sources/contrib/stallion/root/sys/lib/python2.7/codecs.pyc

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


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r�dZ1dZ2dZ3dZ4dZ5nXdJZ7e7r�dl8Z8ne9dKkr3e%ej:dLdM�e_:e%ej;dMdL�e_;ndS(Qs� codecs -- Python Codec Registry, API and helpers.


Written by Marc-Andre Lemburg ([email protected]).

(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.

i�N(t*s%Failed to load the builtin codecs: %stregistertlookuptopentEncodedFiletBOMtBOM_BEtBOM_LEtBOM32_BEtBOM32_LEtBOM64_BEtBOM64_LEtBOM_UTF8t	BOM_UTF16tBOM_UTF16_LEtBOM_UTF16_BEt	BOM_UTF32tBOM_UTF32_LEtBOM_UTF32_BEt
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__module__t__name__Rtid(R&((s/sys/lib/python2.7/codecs.pyt__repr__YsN(R)R(tNoneRR+(((s/sys/lib/python2.7/codecs.pyRKstCodeccBs&eZdZdd�Zdd�ZRS(s� Defines the interface for stateless encoders/decoders.

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         'ignore' - ignore the character and continue with the next
         'replace' - replace with a suitable replacement character;
                    Python will use the official U+FFFD REPLACEMENT
                    CHARACTER for the builtin Unicode codecs on
                    decoding and '?' on encoding.
         'xmlcharrefreplace' - Replace with the appropriate XML
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t�dS(s� Decodes the object input and returns a tuple (output
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            errors defines the error handling to apply. It defaults to
            'strict' handling.

            The method may not store state in the Codec instance. Use
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            The decoder must be able to handle zero length input and
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        Creates a IncrementalDecoder instance.

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        Return the current state of the decoder.

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        Set the current state of the decoder.

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    This subclass of IncrementalDecoder can be used as the baseclass for an
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R.cCs||_||_dS(s[ Creates a StreamWriter instance.

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             'strict' - raise a ValueError (or a subclass)
             'ignore' - ignore the character and continue with the next
             'replace'- replace with a suitable replacement character
             'xmlcharrefreplace' - Replace with the appropriate XML
                                   character reference.
             'backslashreplace'  - Replace with backslashed escape
                                   sequences (only for encoding).

            The set of allowed parameter values can be extended via
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            Calling this method should ensure that the data on the
            output is put into a clean state, that allows appending
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icCs<|jj||�|dkr8|dkr8|j�ndS(Ni(RFtseekR8(R&toffsettwhence((s/sys/lib/python2.7/codecs.pyRLuscCs||j|�S(s? Inherit all other methods from the underlying stream.
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             'strict' - raise a ValueError (or a subclass)
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            characters available.

            size indicates the approximate maximum number of bytes to
            read from the stream for decoding purposes. The decoder
            can modify this setting as appropriate. The default value
            -1 indicates to read and decode as much as possible.  size
            is intended to prevent having to decode huge files in one
            step.

            If firstline is true, and a UnicodeDecodeError happens
            after the first line terminator in the input only the first line
            will be returned, the rest of the input will be kept until the
            next call to read().

            The method should use a greedy read strategy meaning that
            it should read as much data as is allowed within the
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cCs|j�}|j|�S(sZ Read all lines available on the input stream
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        (RF(R&RRO((s/sys/lib/python2.7/codecs.pyRPlscCs|S(N((R&((s/sys/lib/python2.7/codecs.pyRQsscCs|jj�dS(N(RFRR(R&RSRTRU((s/sys/lib/python2.7/codecs.pyRVvsN(R)R(R6R R<R]R,R[RoRqR8RLRsRtRORPRQRV(((s/sys/lib/python2.7/codecs.pyRW�sLI	
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	i�cCs|jj|�S(N(RwR](R&Ra((s/sys/lib/python2.7/codecs.pyR]�scCs|jj|�S(N(RwRo(R&Ra((s/sys/lib/python2.7/codecs.pyRo�scCs|jj|�S(N(RwRq(R&Rp((s/sys/lib/python2.7/codecs.pyRq�scCs
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        combination) and then written to the stream using an instance
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            Reader and Writer work on the backend (reading and
            writing to the stream).

            You can use these objects to do transparent direct
            recodings from e.g. latin-1 to utf-8 and back.

            stream must be a file-like object.

            encode, decode must adhere to the Codec interface, Reader,
            Writer must be factory functions or classes providing the
            StreamReader, StreamWriter interface resp.

            encode and decode are needed for the frontend translation,
            Reader and Writer for the backend translation. Unicode is
            used as intermediate encoding.

            Error handling is done in the same way as defined for the
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        N(RFRR RwRxR1(R&RFRR RyRzR1((s/sys/lib/python2.7/codecs.pyR6�s			i�cCs1|jj|�}|j||j�\}}|S(N(RwR]RR1(R&RaR?tbytesencoded((s/sys/lib/python2.7/codecs.pyR]scCsO|dkr|jj�}n|jj|�}|j||j�\}}|S(N(R,RwRoRR1(R&RaR?R}((s/sys/lib/python2.7/codecs.pyRos
cCs7|jj�}|j||j�\}}|jd�S(Ni(RwR]RR1R`(R&RpR?R}((s/sys/lib/python2.7/codecs.pyRqscCs.|jj�}|j||j�\}}|S(s4 Return the next decoded line from the input stream.(RwRsRR1(R&R?R}((s/sys/lib/python2.7/codecs.pyRsscCs|S(N((R&((s/sys/lib/python2.7/codecs.pyRt$scCs+|j||j�\}}|jj|�S(N(R R1RxRG(R&R?tbytesdecoded((s/sys/lib/python2.7/codecs.pyRG'scCs:dj|�}|j||j�\}}|jj|�S(NR4(RIR R1RxRG(R&RJR?R~((s/sys/lib/python2.7/codecs.pyRK,scCs|jj�|jj�dS(N(RwR8Rx(R&((s/sys/lib/python2.7/codecs.pyR82s
cCs||j|�S(s? Inherit all other methods from the underlying stream.
        (RF(R&RRO((s/sys/lib/python2.7/codecs.pyRP7scCs|S(N((R&((s/sys/lib/python2.7/codecs.pyRQ>scCs|jj�dS(N(RFRR(R&RSRTRU((s/sys/lib/python2.7/codecs.pyRVAsN(R)R(R2t
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file_encodingR6R]R,RoRqRsRtRGRKR8RORPRQRV(((s/sys/lib/python2.7/codecs.pyR|�s 							trbR.icCs�|dk	rrd|krV|j�jdd�}|d td�krVd|}qVnd|krr|d}qrntj|||�}|dkr�|St|�}t||j|j	|�}||_
|S(s� Open an encoded file using the given mode and return
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        Note: The wrapped version will only accept the object format
        defined by the codecs, i.e. Unicode objects for most builtin
        codecs. Output is also codec dependent and will usually be
        Unicode as well.

        Files are always opened in binary mode, even if no binary mode
        was specified. This is done to avoid data loss due to encodings
        using 8-bit values. The default file mode is 'rb' meaning to
        open the file in binary read mode.

        encoding specifies the encoding which is to be used for the
        file.

        errors may be given to define the error handling. It defaults
        to 'strict' which causes ValueErrors to be raised in case an
        encoding error occurs.

        buffering has the same meaning as for the builtin open() API.
        It defaults to line buffered.

        The returned wrapped file object provides an extra attribute
        .encoding which allows querying the used encoding. This
        attribute is only available if an encoding was specified as
        parameter.

    tUR4itrwatrtbN(R,tstriptreplacetsett__builtin__RRRuR$R#R{(tfilenametmodeR{R1t	bufferingtfiletinfotsrw((s/sys/lib/python2.7/codecs.pyRFs	cCsj|dkr|}nt|�}t|�}t||j|j|j|j|�}||_||_|S(s� Return a wrapped version of file which provides transparent
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        file as string using file_encoding. The intermediate encoding
        will usually be Unicode but depends on the specified codecs.

        Strings are read from the file using file_encoding and then
        passed back to the caller as string using data_encoding.

        If file_encoding is not given, it defaults to data_encoding.

        errors may be given to define the error handling. It defaults
        to 'strict' which causes ValueErrors to be raised in case an
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