A simple cStringIO based FIFO, implemented as a circular buffer
Project description
License:
Creative Commons CC-BY-SA 3.0, see README.TXT
Changes:
1.0 Original Release
1.1 Changed write to look like other file operations and return a number
1.2 Added threading test and fixed bug with read/write stats, improved inspection slicing
1.3 Fix issue with stats printing if FIFO is not written
Improve debugging if multiple FIFO instances used. Added idle timer
1.4 Removed stream parameter from logging.StreamHandler() for python2.6 compatibility
Known Bugs:
None that I know of (eek)
Credit:
All credit to the posting by Cameron on StackOverflow, here: http://stackoverflow.com/questions/10917581/efficient-fifo-queue-for-arbitrarily-sized-chunks-of-bytes-in-python
Usage:
import csFIFO
f1=csFIFO()
data="Message"
f1.write(data)
size=2
data=f1.read(size)
f1.purge()
f2=csFIFO(max_size=1024*1024)
f2.write("Hello World")
if not f2.isEmpty():
#Print some stats
print f2
#Non-destructive inspection
print f2[:5]
print f2[4:8]
print f2[-5:]
print f2.contents()
Dependencies:
None that I know of
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