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#!/usr/bin/env python2.5
"""
This is a benchmarking script to test the speed of 2to3's pattern matching
system. It's equivalent to "refactor.py -f all" for every Python module
in sys.modules, but without engaging the actual transformations.
"""
__author__ = "Collin Winter <collinw at gmail.com>"
# Python imports
import os.path
import sys
from time import time
# Test imports
from support import adjust_path
adjust_path()
# Local imports
from .. import refactor
### Mock code for refactor.py and the fixers
###############################################################################
class Options:
def __init__(self, **kwargs):
for k, v in kwargs.items():
setattr(self, k, v)
self.verbose = False
def dummy_transform(*args, **kwargs):
pass
### Collect list of modules to match against
###############################################################################
files = []
for mod in sys.modules.values():
if mod is None or not hasattr(mod, '__file__'):
continue
f = mod.__file__
if f.endswith('.pyc'):
f = f[:-1]
if f.endswith('.py'):
files.append(f)
### Set up refactor and run the benchmark
###############################################################################
options = Options(fix=["all"], print_function=False, doctests_only=False)
refactor = refactor.RefactoringTool(options)
for fixer in refactor.fixers:
# We don't want them to actually fix the tree, just match against it.
fixer.transform = dummy_transform
t = time()
for f in files:
print "Matching", f
refactor.refactor_file(f)
print "%d seconds to match %d files" % (time() - t, len(sys.modules))
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