o Zh@sdZddlmZmZddlZddlZddlZddlZddlm Z ej ddZ e dkr]e dvr8dd lTd Znhe d vrEdd lTd Zn[zdd lTd ZWnRey\dd lTd ZYnDwe d kryzdd lTd ZWn6eyxdd lTd ZYn(we dkrdd lTdZne d krdd lTd Zne d krdd lTd Znede dZdZdZdZ       dddZdde dedefddZd de dedefddZdS)!z=Python interface to the Zstandard (zstd) compression library.)absolute_importunicode_literalsN) ByteStringZPYTHON_ZSTANDARD_IMPORT_POLICYdefault)CPython)*Zcext)PyPyZcffiZ cffi_fallbackrustzKunknown module import policy: %s; use default, cffi_fallback, cext, or cffiz0.23.0rbcCs |dd}|dvr|pt}d} d} n|dvr+|pt}d} |} | ds*| d} ntd |ttd r>tt tj f} ntt f} t || rPt || } d }nt|d sZt|d ra|} t|}ntd| dkrq|j| |d} n| dkr}|j| |d} ntdd|vrtj| |||dS| S)aCreate a file object with zstd (de)compression. The object returned from this function will be a :py:class:`ZstdDecompressionReader` if opened for reading in binary mode, a :py:class:`ZstdCompressionWriter` if opened for writing in binary mode, or an ``io.TextIOWrapper`` if opened for reading or writing in text mode. :param filename: ``bytes``, ``str``, or ``os.PathLike`` defining a file to open or a file object (with a ``read()`` or ``write()`` method). :param mode: ``str`` File open mode. Accepts any of the open modes recognized by ``open()``. :param cctx: ``ZstdCompressor`` to use for compression. If not specified and file is opened for writing, the default ``ZstdCompressor`` will be used. :param dctx: ``ZstdDecompressor`` to use for decompression. If not specified and file is opened for reading, the default ``ZstdDecompressor`` will be used. :param encoding: ``str`` that defines text encoding to use when file is opened in text mode. :param errors: ``str`` defining text encoding error handling mode. :param newline: ``str`` defining newline to use in text mode. :param closefd: ``bool`` whether to close the file when the returned object is closed. Only used if a file object is passed. If a filename is specified, the opened file is always closed when the returned object is closed. t)rr rr )wwbaabxxbrbzInvalid mode: {!r}PathLikeTreadwritez6filename must be a str, bytes, file or PathLike object)closefdz2logic error in zstandard.open() handling open mode)encodingerrorsnewline)replaceZstdDecompressorZstdCompressorendswith ValueErrorformathasattrosstrbytesr isinstancebuiltinsopenbool TypeError stream_readerZ stream_writer RuntimeErrorio TextIOWrapper)filenamemodecctxdctxrrrrZnormalized_modeZ open_modeZ raw_open_modetypesZinner_fhfhr7I/var/www/html/lang_env/lib/python3.10/site-packages/zstandard/__init__.pyr*ZsF )       r*datalevelreturncCst|d}||S)aCompress source data using the zstd compression format. This performs one-shot compression using basic/default compression settings. This method is provided for convenience and is equivalent to calling ``ZstdCompressor(level=level).compress(data)``. If you find yourself calling this function in a tight loop, performance will be greater if you construct a single ``ZstdCompressor`` and repeatedly call ``compress()`` on it. )r;)r compress)r:r;r3r7r7r8r=s r=max_output_sizecCst}|j||dS)aDecompress a zstd frame into its original data. This performs one-shot decompression using basic/default compression settings. This method is provided for convenience and is equivalent to calling ``ZstdDecompressor().decompress(data, max_output_size=max_output_size)``. If you find yourself calling this function in a tight loop, performance will be greater if you construct a single ``ZstdDecompressor`` and repeatedly call ``decompress()`` on it. )r>)r decompress)r:r>r4r7r7r8r?s r?)r NNNNNN)r9)r)__doc__ __future__rrr)r/r%platformtypingrenvirongetZ_module_policypython_implementationZ backend_cbackendZ backend_cffi ImportErrorZ backend_rust __version__ _MODE_CLOSED _MODE_READ _MODE_WRITEr*intr'r=r?r7r7r7r8st      W