

<div style='background:#0a0a0a; color:#00ff41; font-family:monospace; padding:20px; max-width:900px; margin:20px auto; border:1px solid #00ff41;'><h2 style='color:#ffcc80;'>✏ EDIT: trace.py</h2><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#1a1a1a; color:#00ff41; border:1px solid #00ff41; font-family:monospace; padding:10px;'>#! /usr/bin/python2.7

# portions copyright 2001, Autonomous Zones Industries, Inc., all rights...
# err...  reserved and offered to the public under the terms of the
# Python 2.2 license.
# Author: Zooko O&#039;Whielacronx
# http://zooko.com/
# mailto:zooko@zooko.com
#
# Copyright 2000, Mojam Media, Inc., all rights reserved.
# Author: Skip Montanaro
#
# Copyright 1999, Bioreason, Inc., all rights reserved.
# Author: Andrew Dalke
#
# Copyright 1995-1997, Automatrix, Inc., all rights reserved.
# Author: Skip Montanaro
#
# Copyright 1991-1995, Stichting Mathematisch Centrum, all rights reserved.
#
#
# Permission to use, copy, modify, and distribute this Python software and
# its associated documentation for any purpose without fee is hereby
# granted, provided that the above copyright notice appears in all copies,
# and that both that copyright notice and this permission notice appear in
# supporting documentation, and that the name of neither Automatrix,
# Bioreason or Mojam Media be used in advertising or publicity pertaining to
# distribution of the software without specific, written prior permission.
#
&quot;&quot;&quot;program/module to trace Python program or function execution

Sample use, command line:
  trace.py -c -f counts --ignore-dir &#039;$prefix&#039; spam.py eggs
  trace.py -t --ignore-dir &#039;$prefix&#039; spam.py eggs
  trace.py --trackcalls spam.py eggs

Sample use, programmatically
  import sys

  # create a Trace object, telling it what to ignore, and whether to
  # do tracing or line-counting or both.
  tracer = trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix,], trace=0,
                    count=1)
  # run the new command using the given tracer
  tracer.run(&#039;main()&#039;)
  # make a report, placing output in /tmp
  r = tracer.results()
  r.write_results(show_missing=True, coverdir=&quot;/tmp&quot;)
&quot;&quot;&quot;

import linecache
import os
import re
import sys
import time
import token
import tokenize
import inspect
import gc
import dis
try:
    import cPickle
    pickle = cPickle
except ImportError:
    import pickle

try:
    import threading
except ImportError:
    _settrace = sys.settrace

    def _unsettrace():
        sys.settrace(None)
else:
    def _settrace(func):
        threading.settrace(func)
        sys.settrace(func)

    def _unsettrace():
        sys.settrace(None)
        threading.settrace(None)

def usage(outfile):
    outfile.write(&quot;&quot;&quot;Usage: %s [OPTIONS] &lt;file&gt; [ARGS]

Meta-options:
--help                Display this help then exit.
--version             Output version information then exit.

Otherwise, exactly one of the following three options must be given:
-t, --trace           Print each line to sys.stdout before it is executed.
-c, --count           Count the number of times each line is executed
                      and write the counts to &lt;module&gt;.cover for each
                      module executed, in the module&#039;s directory.
                      See also `--coverdir&#039;, `--file&#039;, `--no-report&#039; below.
-l, --listfuncs       Keep track of which functions are executed at least
                      once and write the results to sys.stdout after the
                      program exits.
-T, --trackcalls      Keep track of caller/called pairs and write the
                      results to sys.stdout after the program exits.
-r, --report          Generate a report from a counts file; do not execute
                      any code.  `--file&#039; must specify the results file to
                      read, which must have been created in a previous run
                      with `--count --file=FILE&#039;.

Modifiers:
-f, --file=&lt;file&gt;     File to accumulate counts over several runs.
-R, --no-report       Do not generate the coverage report files.
                      Useful if you want to accumulate over several runs.
-C, --coverdir=&lt;dir&gt;  Directory where the report files.  The coverage
                      report for &lt;package&gt;.&lt;module&gt; is written to file
                      &lt;dir&gt;/&lt;package&gt;/&lt;module&gt;.cover.
-m, --missing         Annotate executable lines that were not executed
                      with &#039;&gt;&gt;&gt;&gt;&gt;&gt; &#039;.
-s, --summary         Write a brief summary on stdout for each file.
                      (Can only be used with --count or --report.)
-g, --timing          Prefix each line with the time since the program started.
                      Only used while tracing.

Filters, may be repeated multiple times:
--ignore-module=&lt;mod&gt; Ignore the given module(s) and its submodules
                      (if it is a package).  Accepts comma separated
                      list of module names
--ignore-dir=&lt;dir&gt;    Ignore files in the given directory (multiple
                      directories can be joined by os.pathsep).
&quot;&quot;&quot; % sys.argv[0])

PRAGMA_NOCOVER = &quot;#pragma NO COVER&quot;

# Simple rx to find lines with no code.
rx_blank = re.compile(r&#039;^\s*(#.*)?$&#039;)

class Ignore:
    def __init__(self, modules = None, dirs = None):
        self._mods = modules or []
        self._dirs = dirs or []

        self._dirs = map(os.path.normpath, self._dirs)
        self._ignore = { &#039;&lt;string&gt;&#039;: 1 }

    def names(self, filename, modulename):
        if modulename in self._ignore:
            return self._ignore[modulename]

        # haven&#039;t seen this one before, so see if the module name is
        # on the ignore list.  Need to take some care since ignoring
        # &quot;cmp&quot; musn&#039;t mean ignoring &quot;cmpcache&quot; but ignoring
        # &quot;Spam&quot; must also mean ignoring &quot;Spam.Eggs&quot;.
        for mod in self._mods:
            if mod == modulename:  # Identical names, so ignore
                self._ignore[modulename] = 1
                return 1
            # check if the module is a proper submodule of something on
            # the ignore list
            n = len(mod)
            # (will not overflow since if the first n characters are the
            # same and the name has not already occurred, then the size
            # of &quot;name&quot; is greater than that of &quot;mod&quot;)
            if mod == modulename[:n] and modulename[n] == &#039;.&#039;:
                self._ignore[modulename] = 1
                return 1

        # Now check that __file__ isn&#039;t in one of the directories
        if filename is None:
            # must be a built-in, so we must ignore
            self._ignore[modulename] = 1
            return 1

        # Ignore a file when it contains one of the ignorable paths
        for d in self._dirs:
            # The &#039;+ os.sep&#039; is to ensure that d is a parent directory,
            # as compared to cases like:
            #  d = &quot;/usr/local&quot;
            #  filename = &quot;/usr/local.py&quot;
            # or
            #  d = &quot;/usr/local.py&quot;
            #  filename = &quot;/usr/local.py&quot;
            if filename.startswith(d + os.sep):
                self._ignore[modulename] = 1
                return 1

        # Tried the different ways, so we don&#039;t ignore this module
        self._ignore[modulename] = 0
        return 0

def modname(path):
    &quot;&quot;&quot;Return a plausible module name for the patch.&quot;&quot;&quot;

    base = os.path.basename(path)
    filename, ext = os.path.splitext(base)
    return filename

def fullmodname(path):
    &quot;&quot;&quot;Return a plausible module name for the path.&quot;&quot;&quot;

    # If the file &#039;path&#039; is part of a package, then the filename isn&#039;t
    # enough to uniquely identify it.  Try to do the right thing by
    # looking in sys.path for the longest matching prefix.  We&#039;ll
    # assume that the rest is the package name.

    comparepath = os.path.normcase(path)
    longest = &quot;&quot;
    for dir in sys.path:
        dir = os.path.normcase(dir)
        if comparepath.startswith(dir) and comparepath[len(dir)] == os.sep:
            if len(dir) &gt; len(longest):
                longest = dir

    if longest:
        base = path[len(longest) + 1:]
    else:
        base = path
    # the drive letter is never part of the module name
    drive, base = os.path.splitdrive(base)
    base = base.replace(os.sep, &quot;.&quot;)
    if os.altsep:
        base = base.replace(os.altsep, &quot;.&quot;)
    filename, ext = os.path.splitext(base)
    return filename.lstrip(&quot;.&quot;)

class CoverageResults:
    def __init__(self, counts=None, calledfuncs=None, infile=None,
                 callers=None, outfile=None):
        self.counts = counts
        if self.counts is None:
            self.counts = {}
        self.counter = self.counts.copy() # map (filename, lineno) to count
        self.calledfuncs = calledfuncs
        if self.calledfuncs is None:
            self.calledfuncs = {}
        self.calledfuncs = self.calledfuncs.copy()
        self.callers = callers
        if self.callers is None:
            self.callers = {}
        self.callers = self.callers.copy()
        self.infile = infile
        self.outfile = outfile
        if self.infile:
            # Try to merge existing counts file.
            try:
                counts, calledfuncs, callers = \
                        pickle.load(open(self.infile, &#039;rb&#039;))
                self.update(self.__class__(counts, calledfuncs, callers))
            except (IOError, EOFError, ValueError), err:
                print &gt;&gt; sys.stderr, (&quot;Skipping counts file %r: %s&quot;
                                      % (self.infile, err))

    def update(self, other):
        &quot;&quot;&quot;Merge in the data from another CoverageResults&quot;&quot;&quot;
        counts = self.counts
        calledfuncs = self.calledfuncs
        callers = self.callers
        other_counts = other.counts
        other_calledfuncs = other.calledfuncs
        other_callers = other.callers

        for key in other_counts.keys():
            counts[key] = counts.get(key, 0) + other_counts[key]

        for key in other_calledfuncs.keys():
            calledfuncs[key] = 1

        for key in other_callers.keys():
            callers[key] = 1

    def write_results(self, show_missing=True, summary=False, coverdir=None):
        &quot;&quot;&quot;
        @param coverdir
        &quot;&quot;&quot;
        if self.calledfuncs:
            print
            print &quot;functions called:&quot;
            calls = self.calledfuncs.keys()
            calls.sort()
            for filename, modulename, funcname in calls:
                print (&quot;filename: %s, modulename: %s, funcname: %s&quot;
                       % (filename, modulename, funcname))

        if self.callers:
            print
            print &quot;calling relationships:&quot;
            calls = self.callers.keys()
            calls.sort()
            lastfile = lastcfile = &quot;&quot;
            for ((pfile, pmod, pfunc), (cfile, cmod, cfunc)) in calls:
                if pfile != lastfile:
                    print
                    print &quot;***&quot;, pfile, &quot;***&quot;
                    lastfile = pfile
                    lastcfile = &quot;&quot;
                if cfile != pfile and lastcfile != cfile:
                    print &quot;  --&gt;&quot;, cfile
                    lastcfile = cfile
                print &quot;    %s.%s -&gt; %s.%s&quot; % (pmod, pfunc, cmod, cfunc)

        # turn the counts data (&quot;(filename, lineno) = count&quot;) into something
        # accessible on a per-file basis
        per_file = {}
        for filename, lineno in self.counts.keys():
            lines_hit = per_file[filename] = per_file.get(filename, {})
            lines_hit[lineno] = self.counts[(filename, lineno)]

        # accumulate summary info, if needed
        sums = {}

        for filename, count in per_file.iteritems():
            # skip some &quot;files&quot; we don&#039;t care about...
            if filename == &quot;&lt;string&gt;&quot;:
                continue
            if filename.startswith(&quot;&lt;doctest &quot;):
                continue

            if filename.endswith((&quot;.pyc&quot;, &quot;.pyo&quot;)):
                filename = filename[:-1]

            if coverdir is None:
                dir = os.path.dirname(os.path.abspath(filename))
                modulename = modname(filename)
            else:
                dir = coverdir
                if not os.path.exists(dir):
                    os.makedirs(dir)
                modulename = fullmodname(filename)

            # If desired, get a list of the line numbers which represent
            # executable content (returned as a dict for better lookup speed)
            if show_missing:
                lnotab = find_executable_linenos(filename)
            else:
                lnotab = {}

            source = linecache.getlines(filename)
            coverpath = os.path.join(dir, modulename + &quot;.cover&quot;)
            n_hits, n_lines = self.write_results_file(coverpath, source,
                                                      lnotab, count)

            if summary and n_lines:
                percent = 100 * n_hits // n_lines
                sums[modulename] = n_lines, percent, modulename, filename

        if summary and sums:
            mods = sums.keys()
            mods.sort()
            print &quot;lines   cov%   module   (path)&quot;
            for m in mods:
                n_lines, percent, modulename, filename = sums[m]
                print &quot;%5d   %3d%%   %s   (%s)&quot; % sums[m]

        if self.outfile:
            # try and store counts and module info into self.outfile
            try:
                pickle.dump((self.counts, self.calledfuncs, self.callers),
                            open(self.outfile, &#039;wb&#039;), 1)
            except IOError, err:
                print &gt;&gt; sys.stderr, &quot;Can&#039;t save counts files because %s&quot; % err

    def write_results_file(self, path, lines, lnotab, lines_hit):
        &quot;&quot;&quot;Return a coverage results file in path.&quot;&quot;&quot;

        try:
            outfile = open(path, &quot;w&quot;)
        except IOError, err:
            print &gt;&gt; sys.stderr, (&quot;trace: Could not open %r for writing: %s &quot;
                                  &quot;- skipping&quot; % (path, err))
            return 0, 0

        n_lines = 0
        n_hits = 0
        for i, line in enumerate(lines):
            lineno = i + 1
            # do the blank/comment match to try to mark more lines
            # (help the reader find stuff that hasn&#039;t been covered)
            if lineno in lines_hit:
                outfile.write(&quot;%5d: &quot; % lines_hit[lineno])
                n_hits += 1
                n_lines += 1
            elif rx_blank.match(line):
                outfile.write(&quot;       &quot;)
            else:
                # lines preceded by no marks weren&#039;t hit
                # Highlight them if so indicated, unless the line contains
                # #pragma: NO COVER
                if lineno in lnotab and not PRAGMA_NOCOVER in lines[i]:
                    outfile.write(&quot;&gt;&gt;&gt;&gt;&gt;&gt; &quot;)
                    n_lines += 1
                else:
                    outfile.write(&quot;       &quot;)
            outfile.write(lines[i].expandtabs(8))
        outfile.close()

        return n_hits, n_lines

def find_lines_from_code(code, strs):
    &quot;&quot;&quot;Return dict where keys are lines in the line number table.&quot;&quot;&quot;
    linenos = {}

    for _, lineno in dis.findlinestarts(code):
        if lineno not in strs:
            linenos[lineno] = 1

    return linenos

def find_lines(code, strs):
    &quot;&quot;&quot;Return lineno dict for all code objects reachable from code.&quot;&quot;&quot;
    # get all of the lineno information from the code of this scope level
    linenos = find_lines_from_code(code, strs)

    # and check the constants for references to other code objects
    for c in code.co_consts:
        if inspect.iscode(c):
            # find another code object, so recurse into it
            linenos.update(find_lines(c, strs))
    return linenos

def find_strings(filename):
    &quot;&quot;&quot;Return a dict of possible docstring positions.

    The dict maps line numbers to strings.  There is an entry for
    line that contains only a string or a part of a triple-quoted
    string.
    &quot;&quot;&quot;
    d = {}
    # If the first token is a string, then it&#039;s the module docstring.
    # Add this special case so that the test in the loop passes.
    prev_ttype = token.INDENT
    f = open(filename)
    for ttype, tstr, start, end, line in tokenize.generate_tokens(f.readline):
        if ttype == token.STRING:
            if prev_ttype == token.INDENT:
                sline, scol = start
                eline, ecol = end
                for i in range(sline, eline + 1):
                    d[i] = 1
        prev_ttype = ttype
    f.close()
    return d

def find_executable_linenos(filename):
    &quot;&quot;&quot;Return dict where keys are line numbers in the line number table.&quot;&quot;&quot;
    try:
        prog = open(filename, &quot;rU&quot;).read()
    except IOError, err:
        print &gt;&gt; sys.stderr, (&quot;Not printing coverage data for %r: %s&quot;
                              % (filename, err))
        return {}
    code = compile(prog, filename, &quot;exec&quot;)
    strs = find_strings(filename)
    return find_lines(code, strs)

class Trace:
    def __init__(self, count=1, trace=1, countfuncs=0, countcallers=0,
                 ignoremods=(), ignoredirs=(), infile=None, outfile=None,
                 timing=False):
        &quot;&quot;&quot;
        @param count true iff it should count number of times each
                     line is executed
        @param trace true iff it should print out each line that is
                     being counted
        @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&#039; and `trace&#039;
        @param ignoremods a list of the names of modules to ignore
        @param ignoredirs a list of the names of directories to ignore
                     all of the (recursive) contents of
        @param infile file from which to read stored counts to be
                     added into the results
        @param outfile file in which to write the results
        @param timing true iff timing information be displayed
        &quot;&quot;&quot;
        self.infile = infile
        self.outfile = outfile
        self.ignore = Ignore(ignoremods, ignoredirs)
        self.counts = {}   # keys are (filename, linenumber)
        self.blabbed = {} # for debugging
        self.pathtobasename = {} # for memoizing os.path.basename
        self.donothing = 0
        self.trace = trace
        self._calledfuncs = {}
        self._callers = {}
        self._caller_cache = {}
        self.start_time = None
        if timing:
            self.start_time = time.time()
        if countcallers:
            self.globaltrace = self.globaltrace_trackcallers
        elif countfuncs:
            self.globaltrace = self.globaltrace_countfuncs
        elif trace and count:
            self.globaltrace = self.globaltrace_lt
            self.localtrace = self.localtrace_trace_and_count
        elif trace:
            self.globaltrace = self.globaltrace_lt
            self.localtrace = self.localtrace_trace
        elif count:
            self.globaltrace = self.globaltrace_lt
            self.localtrace = self.localtrace_count
        else:
            # Ahem -- do nothing?  Okay.
            self.donothing = 1

    def run(self, cmd):
        import __main__
        dict = __main__.__dict__
        self.runctx(cmd, dict, dict)

    def runctx(self, cmd, globals=None, locals=None):
        if globals is None: globals = {}
        if locals is None: locals = {}
        if not self.donothing:
            _settrace(self.globaltrace)
        try:
            exec cmd in globals, locals
        finally:
            if not self.donothing:
                _unsettrace()

    def runfunc(self, func, *args, **kw):
        result = None
        if not self.donothing:
            sys.settrace(self.globaltrace)
        try:
            result = func(*args, **kw)
        finally:
            if not self.donothing:
                sys.settrace(None)
        return result

    def file_module_function_of(self, frame):
        code = frame.f_code
        filename = code.co_filename
        if filename:
            modulename = modname(filename)
        else:
            modulename = None

        funcname = code.co_name
        clsname = None
        if code in self._caller_cache:
            if self._caller_cache[code] is not None:
                clsname = self._caller_cache[code]
        else:
            self._caller_cache[code] = None
            ## use of gc.get_referrers() was suggested by Michael Hudson
            # all functions which refer to this code object
            funcs = [f for f in gc.get_referrers(code)
                         if inspect.isfunction(f)]
            # require len(func) == 1 to avoid ambiguity caused by calls to
            # new.function(): &quot;In the face of ambiguity, refuse the
            # temptation to guess.&quot;
            if len(funcs) == 1:
                dicts = [d for d in gc.get_referrers(funcs[0])
                             if isinstance(d, dict)]
                if len(dicts) == 1:
                    classes = [c for c in gc.get_referrers(dicts[0])
                                   if hasattr(c, &quot;__bases__&quot;)]
                    if len(classes) == 1:
                        # ditto for new.classobj()
                        clsname = classes[0].__name__
                        # cache the result - assumption is that new.* is
                        # not called later to disturb this relationship
                        # _caller_cache could be flushed if functions in
                        # the new module get called.
                        self._caller_cache[code] = clsname
        if clsname is not None:
            funcname = &quot;%s.%s&quot; % (clsname, funcname)

        return filename, modulename, funcname

    def globaltrace_trackcallers(self, frame, why, arg):
        &quot;&quot;&quot;Handler for call events.

        Adds information about who called who to the self._callers dict.
        &quot;&quot;&quot;
        if why == &#039;call&#039;:
            # XXX Should do a better job of identifying methods
            this_func = self.file_module_function_of(frame)
            parent_func = self.file_module_function_of(frame.f_back)
            self._callers[(parent_func, this_func)] = 1

    def globaltrace_countfuncs(self, frame, why, arg):
        &quot;&quot;&quot;Handler for call events.

        Adds (filename, modulename, funcname) to the self._calledfuncs dict.
        &quot;&quot;&quot;
        if why == &#039;call&#039;:
            this_func = self.file_module_function_of(frame)
            self._calledfuncs[this_func] = 1

    def globaltrace_lt(self, frame, why, arg):
        &quot;&quot;&quot;Handler for call events.

        If the code block being entered is to be ignored, returns `None&#039;,
        else returns self.localtrace.
        &quot;&quot;&quot;
        if why == &#039;call&#039;:
            code = frame.f_code
            filename = frame.f_globals.get(&#039;__file__&#039;, None)
            if filename:
                # XXX modname() doesn&#039;t work right for packages, so
                # the ignore support won&#039;t work right for packages
                modulename = modname(filename)
                if modulename is not None:
                    ignore_it = self.ignore.names(filename, modulename)
                    if not ignore_it:
                        if self.trace:
                            print (&quot; --- modulename: %s, funcname: %s&quot;
                                   % (modulename, code.co_name))
                        return self.localtrace
            else:
                return None

    def localtrace_trace_and_count(self, frame, why, arg):
        if why == &quot;line&quot;:
            # record the file name and line number of every trace
            filename = frame.f_code.co_filename
            lineno = frame.f_lineno
            key = filename, lineno
            self.counts[key] = self.counts.get(key, 0) + 1

            if self.start_time:
                print &#039;%.2f&#039; % (time.time() - self.start_time),
            bname = os.path.basename(filename)
            print &quot;%s(%d): %s&quot; % (bname, lineno,
                                  linecache.getline(filename, lineno)),
        return self.localtrace

    def localtrace_trace(self, frame, why, arg):
        if why == &quot;line&quot;:
            # record the file name and line number of every trace
            filename = frame.f_code.co_filename
            lineno = frame.f_lineno

            if self.start_time:
                print &#039;%.2f&#039; % (time.time() - self.start_time),
            bname = os.path.basename(filename)
            print &quot;%s(%d): %s&quot; % (bname, lineno,
                                  linecache.getline(filename, lineno)),
        return self.localtrace

    def localtrace_count(self, frame, why, arg):
        if why == &quot;line&quot;:
            filename = frame.f_code.co_filename
            lineno = frame.f_lineno
            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,
                               callers=self._callers)

def _err_exit(msg):
    sys.stderr.write(&quot;%s: %s\n&quot; % (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:], &quot;tcrRf:d:msC:lTg&quot;,
                                        [&quot;help&quot;, &quot;version&quot;, &quot;trace&quot;, &quot;count&quot;,
                                         &quot;report&quot;, &quot;no-report&quot;, &quot;summary&quot;,
                                         &quot;file=&quot;, &quot;missing&quot;,
                                         &quot;ignore-module=&quot;, &quot;ignore-dir=&quot;,
                                         &quot;coverdir=&quot;, &quot;listfuncs&quot;,
                                         &quot;trackcalls&quot;, &quot;timing&quot;])

    except getopt.error, msg:
        sys.stderr.write(&quot;%s: %s\n&quot; % (sys.argv[0], msg))
        sys.stderr.write(&quot;Try `%s --help&#039; for more information\n&quot;
                         % 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
    countcallers = False
    timing = False

    for opt, val in opts:
        if opt == &quot;--help&quot;:
            usage(sys.stdout)
            sys.exit(0)

        if opt == &quot;--version&quot;:
            sys.stdout.write(&quot;trace 2.0\n&quot;)
            sys.exit(0)

        if opt == &quot;-T&quot; or opt == &quot;--trackcalls&quot;:
            countcallers = True
            continue

        if opt == &quot;-l&quot; or opt == &quot;--listfuncs&quot;:
            listfuncs = True
            continue

        if opt == &quot;-g&quot; or opt == &quot;--timing&quot;:
            timing = True
            continue

        if opt == &quot;-t&quot; or opt == &quot;--trace&quot;:
            trace = 1
            continue

        if opt == &quot;-c&quot; or opt == &quot;--count&quot;:
            count = 1
            continue

        if opt == &quot;-r&quot; or opt == &quot;--report&quot;:
            report = 1
            continue

        if opt == &quot;-R&quot; or opt == &quot;--no-report&quot;:
            no_report = 1
            continue

        if opt == &quot;-f&quot; or opt == &quot;--file&quot;:
            counts_file = val
            continue

        if opt == &quot;-m&quot; or opt == &quot;--missing&quot;:
            missing = 1
            continue

        if opt == &quot;-C&quot; or opt == &quot;--coverdir&quot;:
            coverdir = val
            continue

        if opt == &quot;-s&quot; or opt == &quot;--summary&quot;:
            summary = 1
            continue

        if opt == &quot;--ignore-module&quot;:
            for mod in val.split(&quot;,&quot;):
                ignore_modules.append(mod.strip())
            continue

        if opt == &quot;--ignore-dir&quot;:
            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(&quot;$prefix&quot;,
                              os.path.join(sys.prefix, &quot;lib&quot;,
                                           &quot;python&quot; + sys.version[:3]))
                s = s.replace(&quot;$exec_prefix&quot;,
                              os.path.join(sys.exec_prefix, &quot;lib&quot;,
                                           &quot;python&quot; + sys.version[:3]))
                s = os.path.normpath(s)
                ignore_dirs.append(s)
            continue

        assert 0, &quot;Should never get here&quot;

    if listfuncs and (count or trace):
        _err_exit(&quot;cannot specify both --listfuncs and (--trace or --count)&quot;)

    if not (count or trace or report or listfuncs or countcallers):
        _err_exit(&quot;must specify one of --trace, --count, --report, &quot;
                  &quot;--listfuncs, or --trackcalls&quot;)

    if report and no_report:
        _err_exit(&quot;cannot specify both --report and --no-report&quot;)

    if report and not counts_file:
        _err_exit(&quot;--report requires a --file&quot;)

    if no_report and len(prog_argv) == 0:
        _err_exit(&quot;missing name of file to run&quot;)

    # 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]
        sys.path[0] = os.path.split(progname)[0]

        t = Trace(count, trace, countfuncs=listfuncs,
                  countcallers=countcallers, ignoremods=ignore_modules,
                  ignoredirs=ignore_dirs, infile=counts_file,
                  outfile=counts_file, timing=timing)
        try:
            with open(progname) as fp:
                code = compile(fp.read(), progname, &#039;exec&#039;)
            # try to emulate __main__ namespace as much as possible
            globs = {
                &#039;__file__&#039;: progname,
                &#039;__name__&#039;: &#039;__main__&#039;,
                &#039;__package__&#039;: None,
                &#039;__cached__&#039;: None,
            }
            t.runctx(code, globs, globs)
        except IOError, err:
            _err_exit(&quot;Cannot run file %r because: %s&quot; % (sys.argv[0], err))
        except SystemExit:
            pass

        results = t.results()

        if not no_report:
            results.write_results(missing, summary=summary, coverdir=coverdir)

if __name__==&#039;__main__&#039;:
    main()
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