http://code.activestate.com/recipes/tags/analyze-code/2011-08-11T09:26:56-07:00ActiveState Code Recipes2011-08-11T09:26:56-07:00Stijn de Graafhttp://code.activestate.com/recipes/users/4178055/http://code.activestate.com/recipes/577837-frequency-analyser/

<p style="color: grey"> Python recipe 577837 by <a href="/recipes/users/4178055/">Stijn de Graaf</a> (<a href="/recipes/tags/analysis/">analysis</a>, <a href="/recipes/tags/analyze/">analyze</a>, <a href="/recipes/tags/character/">character</a>, <a href="/recipes/tags/cryptography/">cryptography</a>, <a href="/recipes/tags/frequency/">frequency</a>). </p> <p>Calculates the frequency of characters within a block of text. In the context of cryptography, these values can be compared to a frequency table in order to attempt to ascertain the original message.</p>

2011-02-08T20:59:23-08:00Dima Tisnekhttp://code.activestate.com/recipes/users/4068698/http://code.activestate.com/recipes/577569-nbd-server-in-python/

<p style="color: grey"> Python recipe 577569 by <a href="/recipes/users/4068698/">Dima Tisnek</a> (<a href="/recipes/tags/analyze/">analyze</a>, <a href="/recipes/tags/block/">block</a>, <a href="/recipes/tags/device/">device</a>, <a href="/recipes/tags/disk/">disk</a>, <a href="/recipes/tags/io/">io</a>, <a href="/recipes/tags/linux/">linux</a>, <a href="/recipes/tags/nbd/">nbd</a>, <a href="/recipes/tags/network/">network</a>, <a href="/recipes/tags/python/">python</a>). </p> <p>Linux Network Block Device server in Python</p> <p>This is a simplified version based on Kragen Sitaker's <a href="http://lists.canonical.org/pipermail/kragen-hacks/2004-May/000397.html" rel="nofollow">http://lists.canonical.org/pipermail/kragen-hacks/2004-May/000397.html</a></p> <p>Close is never actually called, at least not on the same connection -- linux C nbd-client -d seems to stall, perhaps it tries to open another socket?</p> <p>This code doesn't check for error conditions, failed reads/writes, past end of disk, etc.</p> <p>It prints io requests, you can analyze filesystem and user program io patterns.</p>