Lines Matching defs:compression
23 import zlib # We may need its compression method
30 import bz2 # We may need its compression method
35 import lzma # We may need its compression method
61 # constants for Zip file compression methods
66 # Other ZIP compression methods not supported
130 # Bits 1 and 2 have different meanings depending on the compression used.
137 # Bit 4: Reserved for use with compression method 8, for enhanced deflating.
146 # Bit 12: Reserved by PKWARE for enhanced compression.
395 self.compress_type = ZIP_STORED # Type of compression for the file
696 def _check_compression(compression):
697 if compression == ZIP_STORED:
699 elif compression == ZIP_DEFLATED:
703 elif compression == ZIP_BZIP2:
707 elif compression == ZIP_LZMA:
712 raise NotImplementedError("That compression method is not supported")
744 raise NotImplementedError("compression type %d (%s)" % (compress_type, descr))
746 raise NotImplementedError("compression type %d" % (compress_type,))
1225 z = ZipFile(file, mode="r", compression=ZIP_STORED, allowZip64=True,
1232 compression: ZIP_STORED (no compression), ZIP_DEFLATED (requires zlib),
1237 compresslevel: None (default for the given compression type) or an integer
1248 def __init__(self, file, mode="r", compression=ZIP_STORED, allowZip64=True,
1255 _check_compression(compression)
1262 self.compression = compression # Method of compression
1552 zinfo.compress_type = self.compression
1799 zinfo.compress_type = self.compression
1821 zinfo.compress_type = self.compression
2015 def __init__(self, file, mode="r", compression=ZIP_STORED,
2017 ZipFile.__init__(self, file, mode=mode, compression=compression,