# encoding: utf-8 # module zlib # from (built-in) # by generator 1.147 """ The functions in this module allow compression and decompression using the zlib library, which is based on GNU zip. adler32(string[, start]) -- Compute an Adler-32 checksum. compress(data[, level]) -- Compress data, with compression level 0-9 or -1. compressobj([level[, ...]]) -- Return a compressor object. crc32(string[, start]) -- Compute a CRC-32 checksum. decompress(string,[wbits],[bufsize]) -- Decompresses a compressed string. decompressobj([wbits[, zdict]]) -- Return a decompressor object. 'wbits' is window buffer size and container format. Compressor objects support compress() and flush() methods; decompressor objects support decompress() and flush(). """ # no imports # Variables with simple values DEFLATED = 8 DEF_BUF_SIZE = 16384 DEF_MEM_LEVEL = 8 MAX_WBITS = 15 ZLIB_RUNTIME_VERSION = '1.3.1' ZLIB_VERSION = '1.3.1' Z_BEST_COMPRESSION = 9 Z_BEST_SPEED = 1 Z_BLOCK = 5 Z_DEFAULT_COMPRESSION = -1 Z_DEFAULT_STRATEGY = 0 Z_FILTERED = 1 Z_FINISH = 4 Z_FIXED = 4 Z_FULL_FLUSH = 3 Z_HUFFMAN_ONLY = 2 Z_NO_COMPRESSION = 0 Z_NO_FLUSH = 0 Z_PARTIAL_FLUSH = 1 Z_RLE = 3 Z_SYNC_FLUSH = 2 Z_TREES = 6 __version__ = '1.0' # functions def adler32(*args, **kwargs): # real signature unknown """ Compute an Adler-32 checksum of data. value Starting value of the checksum. The returned checksum is an integer. """ pass def compress(*args, **kwargs): # real signature unknown """ Returns a bytes object containing compressed data. data Binary data to be compressed. level Compression level, in 0-9 or -1. wbits The window buffer size and container format. """ pass def compressobj(*args, **kwargs): # real signature unknown """ Return a compressor object. level The compression level (an integer in the range 0-9 or -1; default is currently equivalent to 6). Higher compression levels are slower, but produce smaller results. method The compression algorithm. If given, this must be DEFLATED. wbits +9 to +15: The base-two logarithm of the window size. Include a zlib container. -9 to -15: Generate a raw stream. +25 to +31: Include a gzip container. memLevel Controls the amount of memory used for internal compression state. Valid values range from 1 to 9. Higher values result in higher memory usage, faster compression, and smaller output. strategy Used to tune the compression algorithm. Possible values are Z_DEFAULT_STRATEGY, Z_FILTERED, and Z_HUFFMAN_ONLY. zdict The predefined compression dictionary - a sequence of bytes containing subsequences that are likely to occur in the input data. """ pass def crc32(*args, **kwargs): # real signature unknown """ Compute a CRC-32 checksum of data. value Starting value of the checksum. The returned checksum is an integer. """ pass def decompress(*args, **kwargs): # real signature unknown """ Returns a bytes object containing the uncompressed data. data Compressed data. wbits The window buffer size and container format. bufsize The initial output buffer size. """ pass def decompressobj(*args, **kwargs): # real signature unknown """ Return a decompressor object. wbits The window buffer size and container format. zdict The predefined compression dictionary. This must be the same dictionary as used by the compressor that produced the input data. """ pass # classes class error(Exception): # no doc def __init__(self, *args, **kwargs): # real signature unknown pass __weakref__ = property(lambda self: object(), lambda self, v: None, lambda self: None) # default """list of weak references to the object""" class _ZlibDecompressor(object): """ Create a decompressor object for decompressing data incrementally. wbits = 15 zdict The predefined compression dictionary. This is a sequence of bytes (such as a bytes object) containing subsequences that are expected to occur frequently in the data that is to be compressed. Those subsequences that are expected to be most common should come at the end of the dictionary. This must be the same dictionary as used by the compressor that produced the input data. """ def decompress(self): # real signature unknown; restored from __doc__ """ Decompress *data*, returning uncompressed data as bytes. If *max_length* is nonnegative, returns at most *max_length* bytes of decompressed data. If this limit is reached and further output can be produced, *self.needs_input* will be set to ``False``. In this case, the next call to *decompress()* may provide *data* as b'' to obtain more of the output. If all of the input data was decompressed and returned (either because this was less than *max_length* bytes, or because *max_length* was negative), *self.needs_input* will be set to True. Attempting to decompress data after the end of stream is reached raises an EOFError. Any data found after the end of the stream is ignored and saved in the unused_data attribute. """ pass def __init__(self, *args, **kwargs): # real signature unknown pass @staticmethod # known case of __new__ def __new__(*args, **kwargs): # real signature unknown """ Create and return a new object. See help(type) for accurate signature. """ pass eof = property(lambda self: object(), lambda self, v: None, lambda self: None) # default """True if the end-of-stream marker has been reached.""" needs_input = property(lambda self: object(), lambda self, v: None, lambda self: None) # default """True if more input is needed before more decompressed data can be produced.""" unused_data = property(lambda self: object(), lambda self, v: None, lambda self: None) # default """Data found after the end of the compressed stream.""" class __loader__(object): """ Meta path import for built-in modules. All methods are either class or static methods to avoid the need to instantiate the class. """ def create_module(spec): # reliably restored by inspect """ Create a built-in module """ pass def exec_module(module): # reliably restored by inspect """ Exec a built-in module """ pass @classmethod def find_spec(cls, *args, **kwargs): # real signature unknown pass @classmethod def get_code(cls, *args, **kwargs): # real signature unknown """ Return None as built-in modules do not have code objects. """ pass @classmethod def get_source(cls, *args, **kwargs): # real signature unknown """ Return None as built-in modules do not have source code. """ pass @classmethod def is_package(cls, *args, **kwargs): # real signature unknown """ Return False as built-in modules are never packages. """ pass @classmethod def load_module(cls, *args, **kwargs): # real signature unknown """ Load the specified module into sys.modules and return it. This method is deprecated. Use loader.exec_module() instead. """ pass def __init__(self, *args, **kwargs): # real signature unknown pass __weakref__ = property(lambda self: object(), lambda self, v: None, lambda self: None) # default """list of weak references to the object""" _ORIGIN = 'built-in' __dict__ = None # (!) real value is "mappingproxy({'__module__': '_frozen_importlib', '__firstlineno__': 971, '__doc__': 'Meta path import for built-in modules.\\n\\nAll methods are either class or static methods to avoid the need to\\ninstantiate the class.\\n\\n', '_ORIGIN': 'built-in', 'find_spec': )>, 'create_module': )>, 'exec_module': )>, 'get_code': )>, 'get_source': )>, 'is_package': )>, 'load_module': )>, '__static_attributes__': (), '__dict__': , '__weakref__': })" __firstlineno__ = 971 __static_attributes__ = () # variables with complex values __spec__ = None # (!) real value is "ModuleSpec(name='zlib', loader=, origin='built-in')"