def seek(self, offset, whence=getattr(os, 'SEEK_SET', 0)):
"""Allows to reset the stream to restart reading
:raise ValueError: If offset and whence are not 0"""
if offset != 0 or whence != getattr(os, 'SEEK_SET', 0):
raise ValueError("Can only seek to position 0")
# END handle offset
self._zip = zlib.decompressobj()
self._br = self._cws = self._cwe = self._cbr = 0
if self._phi:
self._phi = False
del (self._s) # trigger header parsing on first access
def seek(self, offset, whence=getattr(os, "SEEK_SET", 0)):
"""Allows to reset the stream to restart reading
:raise ValueError: If offset and whence are not 0"""
if offset != 0 or whence != getattr(os, "SEEK_SET", 0):
raise ValueError("Can only seek to position 0")
# END handle offset
self._zip = zlib.decompressobj()
self._br = self._cws = self._cwe = self._cbr = 0
if self._phi:
self._phi = False
del (self._s) # trigger header parsing on first access
def __init__(self, m, close_on_deletion, size=None):
"""Initialize with mmap for stream reading
:param m: must be content data - use new if you have object data and no size"""
self._m = m
self._zip = zlib.decompressobj()
self._buf = None # buffer of decompressed bytes
self._buflen = 0 # length of bytes in buffer
if size is not None:
self._s = size # size of uncompressed data to read in total
self._br = 0 # num uncompressed bytes read
self._cws = 0 # start byte of compression window
self._cwe = 0 # end byte of compression window
self._cbr = 0 # number of compressed bytes read
self._phi = False # is True if we parsed the header info
self._close = close_on_deletion # close the memmap on deletion ?
def __init__(self, m, close_on_deletion, size=None):
"""Initialize with mmap for stream reading
:param m: must be content data - use new if you have object data and no size"""
self._m = m
self._zip = zlib.decompressobj()
self._buf = None # buffer of decompressed bytes
self._buflen = 0 # length of bytes in buffer
if size is not None:
self._s = size # size of uncompressed data to read in total
self._br = 0 # num uncompressed bytes read
self._cws = 0 # start byte of compression window
self._cwe = 0 # end byte of compression window
self._cbr = 0 # number of compressed bytes read
self._phi = False # is True if we parsed the header info
self._close = close_on_deletion # close the memmap on deletion ?
