695 lines
28 KiB
Python
695 lines
28 KiB
Python
#!/usr/bin/env python
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# portions copyright 2001, Autonomous Zones Industries, Inc., all rights...
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# err... reserved and offered to the public under the terms of the
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# Python 2.2 license.
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# Author: Zooko O'Whielacronx
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# http://zooko.com/
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# mailto:zooko@zooko.com
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#
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# Copyright 2000, Mojam Media, Inc., all rights reserved.
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# Author: Skip Montanaro
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#
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# Copyright 1999, Bioreason, Inc., all rights reserved.
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# Author: Andrew Dalke
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#
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# Copyright 1995-1997, Automatrix, Inc., all rights reserved.
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# Author: Skip Montanaro
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#
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# Copyright 1991-1995, Stichting Mathematisch Centrum, all rights reserved.
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#
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#
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# Permission to use, copy, modify, and distribute this Python software and
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# its associated documentation for any purpose without fee is hereby
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# granted, provided that the above copyright notice appears in all copies,
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# and that both that copyright notice and this permission notice appear in
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# supporting documentation, and that the name of neither Automatrix,
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# Bioreason or Mojam Media be used in advertising or publicity pertaining to
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# distribution of the software without specific, written prior permission.
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#
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"""
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program/module to trace Python program or function execution
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Sample use, command line:
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trace.py -c -f counts --ignore-dir '$prefix' spam.py eggs
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trace.py -t --ignore-dir '$prefix' spam.py eggs
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Sample use, programmatically
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# create a Trace object, telling it what to ignore, and whether to do tracing
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# or line-counting or both.
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trace = trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix,], trace=0, count=1)
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# run the new command using the given trace
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trace.run(coverage.globaltrace, 'main()')
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# make a report, telling it where you want output
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trace.print_results(show_missing=1)
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"""
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import sys, os, tempfile, types, copy, operator, inspect, exceptions, marshal
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try:
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import cPickle
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pickle = cPickle
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except ImportError:
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import pickle
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true = 1
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false = None
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# DEBUG_MODE=1 # make this true to get printouts which help you understand what's going on
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def usage(outfile):
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outfile.write("""Usage: %s [OPTIONS] <file> [ARGS]
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Meta-options:
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--help Display this help then exit.
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--version Output version information then exit.
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Otherwise, exactly one of the following three options must be given:
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-t, --trace Print each line to sys.stdout before it is executed.
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-c, --count Count the number of times each line is executed
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and write the counts to <module>.cover for each
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module executed, in the module's directory.
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See also `--coverdir', `--file', `--no-report' below.
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-r, --report Generate a report from a counts file; do not execute
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any code. `--file' must specify the results file to
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read, which must have been created in a previous run
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with `--count --file=FILE'.
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Modifiers:
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-f, --file=<file> File to accumulate counts over several runs.
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-R, --no-report Do not generate the coverage report files.
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Useful if you want to accumulate over several runs.
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-C, --coverdir=<dir> Directory where the report files. The coverage
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report for <package>.<module> is written to file
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<dir>/<package>/<module>.cover.
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-m, --missing Annotate executable lines that were not executed
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with '>>>>>> '.
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-s, --summary Write a brief summary on stdout for each file.
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(Can only be used with --count or --report.)
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Filters, may be repeated multiple times:
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--ignore-module=<mod> Ignore the given module and its submodules
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(if it is a package).
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--ignore-dir=<dir> Ignore files in the given directory (multiple
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directories can be joined by os.pathsep).
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""" % sys.argv[0])
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class Ignore:
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def __init__(self, modules = None, dirs = None):
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self._mods = modules or []
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self._dirs = dirs or []
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self._dirs = map(os.path.normpath, self._dirs)
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self._ignore = { '<string>': 1 }
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def names(self, filename, modulename):
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if self._ignore.has_key(modulename):
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return self._ignore[modulename]
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# haven't seen this one before, so see if the module name is
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# on the ignore list. Need to take some care since ignoring
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# "cmp" musn't mean ignoring "cmpcache" but ignoring
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# "Spam" must also mean ignoring "Spam.Eggs".
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for mod in self._mods:
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if mod == modulename: # Identical names, so ignore
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self._ignore[modulename] = 1
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return 1
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# check if the module is a proper submodule of something on
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# the ignore list
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n = len(mod)
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# (will not overflow since if the first n characters are the
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# same and the name has not already occured, then the size
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# of "name" is greater than that of "mod")
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if mod == modulename[:n] and modulename[n] == '.':
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self._ignore[modulename] = 1
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return 1
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# Now check that __file__ isn't in one of the directories
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if filename is None:
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# must be a built-in, so we must ignore
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self._ignore[modulename] = 1
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return 1
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# Ignore a file when it contains one of the ignorable paths
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for d in self._dirs:
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# The '+ os.sep' is to ensure that d is a parent directory,
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# as compared to cases like:
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# d = "/usr/local"
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# filename = "/usr/local.py"
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# or
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# d = "/usr/local.py"
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# filename = "/usr/local.py"
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if filename.startswith(d + os.sep):
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self._ignore[modulename] = 1
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return 1
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# Tried the different ways, so we don't ignore this module
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self._ignore[modulename] = 0
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return 0
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class CoverageResults:
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def __init__(self, counts=None, calledfuncs=None, infile=None, outfile=None):
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self.counts = counts
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if self.counts is None:
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self.counts = {}
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self.counter = self.counts.copy() # map (filename, lineno) to count
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self.calledfuncs = calledfuncs
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if self.calledfuncs is None:
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self.calledfuncs = {}
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self.calledfuncs = self.calledfuncs.copy()
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self.infile = infile
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self.outfile = outfile
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if self.infile:
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# try and merge existing counts file
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try:
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thingie = pickle.load(open(self.infile, 'r'))
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if type(thingie) is types.DictType:
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# backwards compatibility for old trace.py after Zooko touched it but before calledfuncs --Zooko 2001-10-24
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self.update(self.__class__(thingie))
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elif type(thingie) is types.TupleType and len(thingie) == 2:
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(counts, calledfuncs,) = thingie
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self.update(self.__class__(counts, calledfuncs))
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except (IOError, EOFError,):
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pass
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except pickle.UnpicklingError:
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# backwards compatibility for old trace.py before Zooko touched it --Zooko 2001-10-24
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self.update(self.__class__(marshal.load(open(self.infile))))
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def update(self, other):
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"""Merge in the data from another CoverageResults"""
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counts = self.counts
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calledfuncs = self.calledfuncs
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other_counts = other.counts
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other_calledfuncs = other.calledfuncs
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for key in other_counts.keys():
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if key != 'calledfuncs': # backwards compatibility for abortive attempt to stuff calledfuncs into self.counts, by Zooko --Zooko 2001-10-24
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counts[key] = counts.get(key, 0) + other_counts[key]
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for key in other_calledfuncs.keys():
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calledfuncs[key] = 1
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def write_results(self, show_missing = 1, summary = 0, coverdir = None):
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"""
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@param coverdir
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"""
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for (filename, modulename, funcname,) in self.calledfuncs.keys():
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print "filename: %s, modulename: %s, funcname: %s" % (filename, modulename, funcname,)
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import re
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# turn the counts data ("(filename, lineno) = count") into something
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# accessible on a per-file basis
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per_file = {}
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for thingie in self.counts.keys():
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if thingie != "calledfuncs": # backwards compatibility for abortive attempt to stuff calledfuncs into self.counts, by Zooko --Zooko 2001-10-24
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(filename, lineno,) = thingie
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lines_hit = per_file[filename] = per_file.get(filename, {})
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lines_hit[lineno] = self.counts[(filename, lineno)]
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# there are many places where this is insufficient, like a blank
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# line embedded in a multiline string.
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blank = re.compile(r'^\s*(#.*)?$')
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# accumulate summary info, if needed
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sums = {}
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# generate file paths for the coverage files we are going to write...
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fnlist = []
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tfdir = tempfile.gettempdir()
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for key in per_file.keys():
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filename = key
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# skip some "files" we don't care about...
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if filename == "<string>":
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continue
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# are these caused by code compiled using exec or something?
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if filename.startswith(tfdir):
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continue
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modulename = inspect.getmodulename(filename)
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if filename.endswith(".pyc") or filename.endswith(".pyo"):
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filename = filename[:-1]
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if coverdir:
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thiscoverdir = coverdir
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else:
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thiscoverdir = os.path.dirname(os.path.abspath(filename))
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# the code from here to "<<<" is the contents of the `fileutil.make_dirs()' function in the Mojo Nation project. --Zooko 2001-10-14
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# http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/mojonation/evil/common/fileutil.py?rev=HEAD&content-type=text/vnd.viewcvs-markup
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tx = None
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try:
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os.makedirs(thiscoverdir)
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except OSError, x:
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tx = x
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if not os.path.isdir(thiscoverdir):
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if tx:
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raise tx
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raise exceptions.IOError, "unknown error prevented creation of directory: %s" % thiscoverdir # careful not to construct an IOError with a 2-tuple, as that has a special meaning...
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# <<<
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# build list file name by appending a ".cover" to the module name
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# and sticking it into the specified directory
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if "." in modulename:
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# A module in a package
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finalname = modulename.split(".")[-1]
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listfilename = os.path.join(thiscoverdir, finalname + ".cover")
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else:
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listfilename = os.path.join(thiscoverdir, modulename + ".cover")
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# Get the original lines from the .py file
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try:
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lines = open(filename, 'r').readlines()
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except IOError, err:
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sys.stderr.write("trace: Could not open %s for reading because: %s - skipping\n" % (`filename`, err))
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continue
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try:
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outfile = open(listfilename, 'w')
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except IOError, err:
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sys.stderr.write(
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'%s: Could not open %s for writing because: %s" \
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"- skipping\n' % ("trace", `listfilename`, err))
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continue
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# If desired, get a list of the line numbers which represent
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# executable content (returned as a dict for better lookup speed)
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if show_missing:
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executable_linenos = find_executable_linenos(filename)
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else:
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executable_linenos = {}
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n_lines = 0
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n_hits = 0
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lines_hit = per_file[key]
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for i in range(len(lines)):
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line = lines[i]
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# do the blank/comment match to try to mark more lines
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# (help the reader find stuff that hasn't been covered)
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if lines_hit.has_key(i+1):
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# count precedes the lines that we captured
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outfile.write('%5d: ' % lines_hit[i+1])
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n_hits = n_hits + 1
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n_lines = n_lines + 1
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elif blank.match(line):
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# blank lines and comments are preceded by dots
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outfile.write(' . ')
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else:
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# lines preceded by no marks weren't hit
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# Highlight them if so indicated, unless the line contains
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# '#pragma: NO COVER' (it is possible to embed this into
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# the text as a non-comment; no easy fix)
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if executable_linenos.has_key(i+1) and \
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lines[i].find(' '.join(['#pragma', 'NO COVER'])) == -1:
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outfile.write('>>>>>> ')
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else:
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outfile.write(' '*7)
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n_lines = n_lines + 1
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outfile.write(lines[i].expandtabs(8))
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outfile.close()
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if summary and n_lines:
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percent = int(100 * n_hits / n_lines)
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sums[modulename] = n_lines, percent, modulename, filename
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if summary and sums:
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mods = sums.keys()
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mods.sort()
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print "lines cov% module (path)"
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for m in mods:
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n_lines, percent, modulename, filename = sums[m]
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print "%5d %3d%% %s (%s)" % sums[m]
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if self.outfile:
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# try and store counts and module info into self.outfile
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try:
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pickle.dump((self.counts, self.calledfuncs,), open(self.outfile, 'w'), 1)
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except IOError, err:
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sys.stderr.write("cannot save counts files because %s" % err)
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def _find_LINENO_from_code(code):
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"""return the numbers of the lines containing the source code that
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was compiled into code"""
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linenos = {}
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line_increments = [ord(c) for c in code.co_lnotab[1::2]]
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table_length = len(line_increments)
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lineno = code.co_first_lineno
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for li in line_increments:
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linenos[lineno] = 1
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lineno += li
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linenos[lineno] = 1
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return linenos
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def _find_LINENO(code):
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"""return all of the lineno information from a code object"""
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import types
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# get all of the lineno information from the code of this scope level
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linenos = _find_LINENO_from_code(code)
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# and check the constants for references to other code objects
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for c in code.co_consts:
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if type(c) == types.CodeType:
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# find another code object, so recurse into it
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linenos.update(_find_LINENO(c))
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return linenos
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def find_executable_linenos(filename):
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"""return a dict of the line numbers from executable statements in a file
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"""
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import parser
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assert filename.endswith('.py')
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prog = open(filename).read()
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ast = parser.suite(prog)
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code = parser.compileast(ast, filename)
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return _find_LINENO(code)
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### XXX because os.path.commonprefix seems broken by my way of thinking...
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def commonprefix(dirs):
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"Given a list of pathnames, returns the longest common leading component"
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if not dirs: return ''
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n = copy.copy(dirs)
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for i in range(len(n)):
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n[i] = n[i].split(os.sep)
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prefix = n[0]
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for item in n:
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for i in range(len(prefix)):
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if prefix[:i+1] <> item[:i+1]:
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prefix = prefix[:i]
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if i == 0: return ''
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break
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return os.sep.join(prefix)
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class Trace:
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def __init__(self, count=1, trace=1, countfuncs=0, ignoremods=(), ignoredirs=(), infile=None, outfile=None):
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"""
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@param count true iff it should count number of times each line is executed
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@param trace true iff it should print out each line that is being counted
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@param countfuncs true iff it should just output a list of (filename, modulename, funcname,) for functions that were called at least once; This overrides `count' and `trace'
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@param ignoremods a list of the names of modules to ignore
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@param ignoredirs a list of the names of directories to ignore all of the (recursive) contents of
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@param infile file from which to read stored counts to be added into the results
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@param outfile file in which to write the results
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"""
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self.infile = infile
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self.outfile = outfile
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self.ignore = Ignore(ignoremods, ignoredirs)
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self.counts = {} # keys are (filename, linenumber)
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self.blabbed = {} # for debugging
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self.pathtobasename = {} # for memoizing os.path.basename
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self.donothing = 0
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self.trace = trace
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self._calledfuncs = {}
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if countfuncs:
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self.globaltrace = self.globaltrace_countfuncs
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elif trace and count:
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self.globaltrace = self.globaltrace_lt
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self.localtrace = self.localtrace_trace_and_count
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elif trace:
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self.globaltrace = self.globaltrace_lt
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self.localtrace = self.localtrace_trace
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elif count:
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self.globaltrace = self.globaltrace_lt
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self.localtrace = self.localtrace_count
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else:
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# Ahem -- do nothing? Okay.
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self.donothing = 1
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def run(self, cmd):
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import __main__
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dict = __main__.__dict__
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if not self.donothing:
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sys.settrace(self.globaltrace)
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try:
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exec cmd in dict, dict
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finally:
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if not self.donothing:
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sys.settrace(None)
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def runctx(self, cmd, globals=None, locals=None):
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if globals is None: globals = {}
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if locals is None: locals = {}
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if not self.donothing:
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sys.settrace(self.globaltrace)
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try:
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exec cmd in globals, locals
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finally:
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if not self.donothing:
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sys.settrace(None)
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def runfunc(self, func, *args, **kw):
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result = None
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if not self.donothing:
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sys.settrace(self.globaltrace)
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try:
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result = apply(func, args, kw)
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finally:
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if not self.donothing:
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sys.settrace(None)
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return result
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def globaltrace_countfuncs(self, frame, why, arg):
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"""
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Handles `call' events (why == 'call') and adds the (filename, modulename, funcname,) to the self._calledfuncs dict.
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"""
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if why == 'call':
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(filename, lineno, funcname, context, lineindex,) = inspect.getframeinfo(frame, 0)
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if filename:
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modulename = inspect.getmodulename(filename)
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else:
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modulename = None
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self._calledfuncs[(filename, modulename, funcname,)] = 1
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def globaltrace_lt(self, frame, why, arg):
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"""
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Handles `call' events (why == 'call') and if the code block being entered is to be ignored then it returns `None', else it returns `self.localtrace'.
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"""
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if why == 'call':
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(filename, lineno, funcname, context, lineindex,) = inspect.getframeinfo(frame, 0)
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# if DEBUG_MODE and not filename:
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# print "%s.globaltrace(frame: %s, why: %s, arg: %s): filename: %s, lineno: %s, funcname: %s, context: %s, lineindex: %s\n" % (self, frame, why, arg, filename, lineno, funcname, context, lineindex,)
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if filename:
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modulename = inspect.getmodulename(filename)
|
|
if modulename is not None:
|
|
ignore_it = self.ignore.names(filename, modulename)
|
|
# if DEBUG_MODE and not self.blabbed.has_key((filename, modulename,)):
|
|
# self.blabbed[(filename, modulename,)] = None
|
|
# print "%s.globaltrace(frame: %s, why: %s, arg: %s, filename: %s, modulename: %s, ignore_it: %s\n" % (self, frame, why, arg, filename, modulename, ignore_it,)
|
|
if not ignore_it:
|
|
if self.trace:
|
|
print " --- modulename: %s, funcname: %s" % (modulename, funcname,)
|
|
# if DEBUG_MODE:
|
|
# print "%s.globaltrace(frame: %s, why: %s, arg: %s, filename: %s, modulename: %s, ignore_it: %s -- about to localtrace\n" % (self, frame, why, arg, filename, modulename, ignore_it,)
|
|
return self.localtrace
|
|
else:
|
|
# XXX why no filename?
|
|
return None
|
|
|
|
def localtrace_trace_and_count(self, frame, why, arg):
|
|
if why == 'line':
|
|
# record the file name and line number of every trace
|
|
# XXX I wish inspect offered me an optimized `getfilename(frame)' to use in place of the presumably heavier `getframeinfo()'. --Zooko 2001-10-14
|
|
(filename, lineno, funcname, context, lineindex,) = inspect.getframeinfo(frame, 1)
|
|
key = (filename, lineno,)
|
|
self.counts[key] = self.counts.get(key, 0) + 1
|
|
# XXX not convinced that this memoizing is a performance win -- I don't know enough about Python guts to tell. --Zooko 2001-10-14
|
|
bname = self.pathtobasename.get(filename)
|
|
if bname is None:
|
|
# Using setdefault faster than two separate lines? --Zooko 2001-10-14
|
|
bname = self.pathtobasename.setdefault(filename, os.path.basename(filename))
|
|
try:
|
|
print "%s(%d): %s" % (bname, lineno, context[lineindex],),
|
|
except IndexError:
|
|
# Uh.. sometimes getframeinfo gives me a context of length 1 and a lineindex of -2. Oh well.
|
|
pass
|
|
return self.localtrace
|
|
|
|
def localtrace_trace(self, frame, why, arg):
|
|
if why == 'line':
|
|
# XXX shouldn't do the count increment when arg is exception? But be careful to return self.localtrace when arg is exception! ? --Zooko 2001-10-14
|
|
# record the file name and line number of every trace
|
|
# XXX I wish inspect offered me an optimized `getfilename(frame)' to use in place of the presumably heavier `getframeinfo()'. --Zooko 2001-10-14
|
|
(filename, lineno, funcname, context, lineindex,) = inspect.getframeinfo(frame)
|
|
# if DEBUG_MODE:
|
|
# print "%s.localtrace_trace(frame: %s, why: %s, arg: %s); filename: %s, lineno: %s, funcname: %s, context: %s, lineindex: %s\n" % (self, frame, why, arg, filename, lineno, funcname, context, lineindex,)
|
|
# XXX not convinced that this memoizing is a performance win -- I don't know enough about Python guts to tell. --Zooko 2001-10-14
|
|
bname = self.pathtobasename.get(filename)
|
|
if bname is None:
|
|
# Using setdefault faster than two separate lines? --Zooko 2001-10-14
|
|
bname = self.pathtobasename.setdefault(filename, os.path.basename(filename))
|
|
if context is not None:
|
|
try:
|
|
print "%s(%d): %s" % (bname, lineno, context[lineindex],),
|
|
except IndexError:
|
|
# Uh.. sometimes getframeinfo gives me a context of length 1 and a lineindex of -2. Oh well.
|
|
pass
|
|
else:
|
|
print "%s(???): ???" % bname
|
|
return self.localtrace
|
|
|
|
def localtrace_count(self, frame, why, arg):
|
|
if why == 'line':
|
|
# XXX shouldn't do the count increment when arg is exception? But be careful to return self.localtrace when arg is exception! ? --Zooko 2001-10-14
|
|
# record the file name and line number of every trace
|
|
# XXX I wish inspect offered me an optimized `getfilename(frame)' to use in place of the presumably heavier `getframeinfo()'. --Zooko 2001-10-14
|
|
(filename, lineno, funcname, context, lineindex,) = inspect.getframeinfo(frame)
|
|
key = (filename, lineno,)
|
|
self.counts[key] = self.counts.get(key, 0) + 1
|
|
return self.localtrace
|
|
|
|
def results(self):
|
|
return CoverageResults(self.counts, infile=self.infile, outfile=self.outfile, calledfuncs=self._calledfuncs)
|
|
|
|
def _err_exit(msg):
|
|
sys.stderr.write("%s: %s\n" % (sys.argv[0], msg))
|
|
sys.exit(1)
|
|
|
|
def main(argv=None):
|
|
import getopt
|
|
|
|
if argv is None:
|
|
argv = sys.argv
|
|
try:
|
|
opts, prog_argv = getopt.getopt(argv[1:], "tcrRf:d:msC:l",
|
|
["help", "version", "trace", "count",
|
|
"report", "no-report",
|
|
"file=", "missing",
|
|
"ignore-module=", "ignore-dir=",
|
|
"coverdir=", "listfuncs",])
|
|
|
|
except getopt.error, msg:
|
|
sys.stderr.write("%s: %s\n" % (sys.argv[0], msg))
|
|
sys.stderr.write("Try `%s --help' for more information\n" % sys.argv[0])
|
|
sys.exit(1)
|
|
|
|
trace = 0
|
|
count = 0
|
|
report = 0
|
|
no_report = 0
|
|
counts_file = None
|
|
missing = 0
|
|
ignore_modules = []
|
|
ignore_dirs = []
|
|
coverdir = None
|
|
summary = 0
|
|
listfuncs = false
|
|
|
|
for opt, val in opts:
|
|
if opt == "--help":
|
|
usage(sys.stdout)
|
|
sys.exit(0)
|
|
|
|
if opt == "--version":
|
|
sys.stdout.write("trace 2.0\n")
|
|
sys.exit(0)
|
|
|
|
if opt == "-l" or opt == "--listfuncs":
|
|
listfuncs = true
|
|
continue
|
|
|
|
if opt == "-t" or opt == "--trace":
|
|
trace = 1
|
|
continue
|
|
|
|
if opt == "-c" or opt == "--count":
|
|
count = 1
|
|
continue
|
|
|
|
if opt == "-r" or opt == "--report":
|
|
report = 1
|
|
continue
|
|
|
|
if opt == "-R" or opt == "--no-report":
|
|
no_report = 1
|
|
continue
|
|
|
|
if opt == "-f" or opt == "--file":
|
|
counts_file = val
|
|
continue
|
|
|
|
if opt == "-m" or opt == "--missing":
|
|
missing = 1
|
|
continue
|
|
|
|
if opt == "-C" or opt == "--coverdir":
|
|
coverdir = val
|
|
continue
|
|
|
|
if opt == "-s" or opt == "--summary":
|
|
summary = 1
|
|
continue
|
|
|
|
if opt == "--ignore-module":
|
|
ignore_modules.append(val)
|
|
continue
|
|
|
|
if opt == "--ignore-dir":
|
|
for s in val.split(os.pathsep):
|
|
s = os.path.expandvars(s)
|
|
# should I also call expanduser? (after all, could use $HOME)
|
|
|
|
s = s.replace("$prefix",
|
|
os.path.join(sys.prefix, "lib",
|
|
"python" + sys.version[:3]))
|
|
s = s.replace("$exec_prefix",
|
|
os.path.join(sys.exec_prefix, "lib",
|
|
"python" + sys.version[:3]))
|
|
s = os.path.normpath(s)
|
|
ignore_dirs.append(s)
|
|
continue
|
|
|
|
assert 0, "Should never get here"
|
|
|
|
if listfuncs and (count or trace):
|
|
_err_exit("cannot specify both --listfuncs and (--trace or --count)")
|
|
|
|
if not count and not trace and not report and not listfuncs:
|
|
_err_exit("must specify one of --trace, --count, --report or --listfuncs")
|
|
|
|
if report and no_report:
|
|
_err_exit("cannot specify both --report and --no-report")
|
|
|
|
if report and not counts_file:
|
|
_err_exit("--report requires a --file")
|
|
|
|
if no_report and len(prog_argv) == 0:
|
|
_err_exit("missing name of file to run")
|
|
|
|
# everything is ready
|
|
if report:
|
|
results = CoverageResults(infile=counts_file, outfile=counts_file)
|
|
results.write_results(missing, summary=summary, coverdir=coverdir)
|
|
else:
|
|
sys.argv = prog_argv
|
|
progname = prog_argv[0]
|
|
if eval(sys.version[:3])>1.3:
|
|
sys.path[0] = os.path.split(progname)[0] # ???
|
|
|
|
t = Trace(count, trace, countfuncs=listfuncs, ignoremods=ignore_modules, ignoredirs=ignore_dirs, infile=counts_file, outfile=counts_file)
|
|
try:
|
|
t.run('execfile(' + `progname` + ')')
|
|
except IOError, err:
|
|
_err_exit("Cannot run file %s because: %s" % (`sys.argv[0]`, err))
|
|
except SystemExit:
|
|
pass
|
|
|
|
results = t.results()
|
|
|
|
if not no_report:
|
|
results.write_results(missing, summary=summary, coverdir=coverdir)
|
|
|
|
if __name__=='__main__':
|
|
main()
|