A fast, no-copy, buffer for Python
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zero_buffer is a high-performance, zero-copy, implementation of a byte-buffer for Python.
Documentation is available on ReadTheDocs.
from zero_buffer import Buffer # Create a buffer which has space for 8192 bytes. b = Buffer.allocate(8192) with open(path, "rb") as f: # Read up to 8192 bytes from the file into the buffer b.read_from(f.fileno()) # Create a read-only view of the buffer, this performs no copying. view = b.view() # Split the view on colons, this returns a generator which yields sub-views # of the view. for part in view.split(b":"): print(part)
zero_buffer works on Python 2.6, 2.7, 3.2, 3.3, and PyPy.