csFIFO 1.1

A simple cStringIO based FIFO, implemented as a circular buffer

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csFIFO
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A simple FIFO that includes non destructive inspection, based on a cStringIO circular buffer
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**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

**Known Bugs:**

The indexing does not work correctly with some forms of negative index

**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:]

Dependencies:
::

None that I know of