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Viewing changes to vendor/Twisted-10.0.0/twisted/python/dxprofile.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/twisted/python/dxprofile.py
 
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# Copyright (c) 2001-2007 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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"""
 
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DEPRECATED since Twisted 8.0.
 
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Utility functions for reporting bytecode frequencies to Skip Montanaro's
 
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stat collector.
 
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This module requires a version of Python build with DYNAMIC_EXCUTION_PROFILE,
 
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and optionally DXPAIRS, defined to be useful.
 
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"""
 
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import sys, types, xmlrpclib, warnings
 
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warnings.warn("twisted.python.dxprofile is deprecated since Twisted 8.0.",
 
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              category=DeprecationWarning)
 
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def rle(iterable):
 
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    """
 
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    Run length encode a list.
 
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    """
 
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    iterable = iter(iterable)
 
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    runlen = 1
 
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    result = []
 
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    try:
 
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        previous = iterable.next()
 
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    except StopIteration:
 
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        return []
 
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    for element in iterable:
 
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        if element == previous:
 
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            runlen = runlen + 1
 
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            continue
 
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        else:
 
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            if isinstance(previous, (types.ListType, types.TupleType)):
 
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                previous = rle(previous)
 
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            result.append([previous, runlen])
 
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        previous = element
 
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        runlen = 1
 
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    if isinstance(previous, (types.ListType, types.TupleType)):
 
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        previous = rle(previous)
 
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    result.append([previous, runlen])
 
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    return result
 
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def report(email, appname):
 
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    """
 
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    Send an RLE encoded version of sys.getdxp() off to our Top Men (tm)
 
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    for analysis.
 
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    """
 
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    if hasattr(sys, 'getdxp') and appname:
 
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        dxp = xmlrpclib.ServerProxy("http://manatee.mojam.com:7304")
 
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        dxp.add_dx_info(appname, email, sys.version_info[:3], rle(sys.getdxp()))