BZ2Compressor

bz2

class

BZ2Compressor(compresslevel=9)

Create a compressor object for compressing data incrementally.

  compresslevel
    Compression level, as a number between 1 and 9.

For one-shot compression, use the compress() function instead.

Members of BZ2Compressor

c

compress: Provide data to the compressor object.

f

flush: Finish the compression process.

1 Example

link / history / report

>>> import bz2
>>> def gen_data(chunks=10, chunksize=1000):
...     """Yield incremental blocks of chunksize bytes."""
...     for _ in range(chunks):
...         yield b"z" * chunksize
...
>>> comp = bz2.BZ2Compressor()
>>> out = b""
>>> for chunk in gen_data():
...     # Provide data to the compressor object
...     out = out + comp.compress(chunk)
...
>>> # Finish the compression process.  Call this once you have
>>> # finished providing data to the compressor.
>>> out = out + comp.flush()

from the Python docs

PyDocs

Nav

Data Compression and Archiving

Nav

Data Compression and Archiving

All modules

BZ2Compressor

bz2

Members of BZ2Compressor

c

f

1 Example

See Also

0 Notes