text: #!/usr/bin/env python
  
  # 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'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.
  #
  """program/module to trace Python program or function execution
  
  Sample use, command line:
    trace.py -c -f counts --ignore-dir '$prefix' spam.py eggs
    trace.py -t --ignore-dir '$prefix' 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('main()')
    # make a report, placing output in /tmp
    r = tracer.results()
    r.write_results(show_missing=True, coverdir="/tmp")
  """
  
  import linecache
  import os
  import re
  import sys
  import threading
  import time
  import token
  import tokenize
  import types
  import gc
  
  try:
      import cPickle
      pickle = cPickle
  except ImportError:
      import pickle
  
  def usage(outfile):
      outfile.write("""Usage: %s [OPTIONS] <file> [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 <module>.cover for each
                        module executed, in the module's directory.
                        See also `--coverdir', `--file', `--no-report' 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' must specify the results file to
                        read, which must have been created in a previous run
                        with `--count --file=FILE'.
  
  Modifiers:
  -f, --file=<file>     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=<dir>  Directory where the report files.  The coverage
                        report for <package>.<module> is written to file
                        <dir>/<package>/<module>.cover.
  -m, --missing         Annotate executable lines that were not executed
                        with '>>>>>> '.
  -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=<mod> Ignore the given module(s) and its submodules
                        (if it is a package).  Accepts comma separated
                        list of module names
  --ignore-dir=<dir>    Ignore files in the given directory (multiple
                        directories can be joined by os.pathsep).
  """ % sys.argv[0])
  
  PRAGMA_NOCOVER = "#pragma NO COVER"
  
  # Simple rx to find lines with no code.
  rx_blank = re.compile(r'^\s*(#.*)?$')
  
  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 = { '<string>': 1 }
  
      def names(self, filename, modulename):
          if self._ignore.has_key(modulename):
              return self._ignore[modulename]
  
          # haven't seen this one before, so see if the module name is
          # on the ignore list.  Need to take some care since ignoring
          # "cmp" musn't mean ignoring "cmpcache" but ignoring
          # "Spam" must also mean ignoring "Spam.Eggs".
          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 "name" is greater than that of "mod")
              if mod == modulename[:n] and modulename[n] == '.':
                  self._ignore[modulename] = 1
                  return 1
  
          # Now check that __file__ isn'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 '+ os.sep' is to ensure that d is a parent directory,
              # as compared to cases like:
              #  d = "/usr/local"
              #  filename = "/usr/local.py"
              # or
              #  d = "/usr/local.py"
              #  filename = "/usr/local.py"
              if filename.startswith(d + os.sep):
                  self._ignore[modulename] = 1
                  return 1
  
          # Tried the different ways, so we don't ignore this module
          self._ignore[modulename] = 0
          return 0
  
  def modname(path):
      """Return a plausible module name for the patch."""
  
      base = os.path.basename(path)
      filename, ext = os.path.splitext(base)
      return filename
  
  def fullmodname(path):
      """Return a plausible module name for the path."""
  
      # If the file 'path' is part of a package, then the filename isn't
      # enough to uniquely identify it.  Try to do the right thing by
      # looking in sys.path for the longest matching prefix.  We'll
      # assume that the rest is the package name.
  
      comparepath = os.path.normcase(path)
      longest = ""
      for dir in sys.path:
          dir = os.path.normcase(dir)
          if comparepath.startswith(dir) and comparepath[len(dir)] == os.sep:
              if len(dir) > len(longest):
                  longest = dir
  
      if longest:
          base = path[len(longest) + 1:]
      else:
          base = path
      base = base.replace(os.sep, ".")
      if os.altsep:
          base = base.replace(os.altsep, ".")
      filename, ext = os.path.splitext(base)
      return filename
  
  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, 'rb'))
                  self.update(self.__class__(counts, calledfuncs, callers))
              except (IOError, EOFError, ValueError), err:
                  print >> sys.stderr, ("Skipping counts file %r: %s"
                                        % (self.infile, err))
  
      def update(self, other):
          """Merge in the data from another CoverageResults"""
          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):
          """
          @param coverdir
          """
          if self.calledfuncs:
              print
              print "functions called:"
              calls = self.calledfuncs.keys()
              calls.sort()
              for filename, modulename, funcname in calls:
                  print ("filename: %s, modulename: %s, funcname: %s"
                         % (filename, modulename, funcname))
  
          if self.callers:
              print
              print "calling relationships:"
              calls = self.callers.keys()
              calls.sort()
              lastfile = lastcfile = ""
              for ((pfile, pmod, pfunc), (cfile, cmod, cfunc)) in calls:
                  if pfile != lastfile:
                      print
                      print "***", pfile, "***"
                      lastfile = pfile
                      lastcfile = ""
                  if cfile != pfile and lastcfile != cfile:
                      print "  -->", cfile
                      lastcfile = cfile
                  print "    %s.%s -> %s.%s" % (pmod, pfunc, cmod, cfunc)
  
          # turn the counts data ("(filename, lineno) = count") 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 "files" we don't care about...
              if filename == "<string>":
                  continue
              if filename.startswith("<doctest "):
                  continue
  
              if filename.endswith((".pyc", ".pyo")):
                  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 + ".cover")
              n_hits, n_lines = self.write_results_file(coverpath, source,
                                                        lnotab, count)
  
              if summary and n_lines:
                  percent = int(100 * n_hits / n_lines)
                  sums[modulename] = n_lines, percent, modulename, filename
  
          if summary and sums:
              mods = sums.keys()
              mods.sort()
              print "lines   cov%   module   (path)"
              for m in mods:
                  n_lines, percent, modulename, filename = sums[m]
                  print "%5d   %3d%%   %s   (%s)" % 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, 'wb'), 1)
              except IOError, err:
                  print >> sys.stderr, "Can't save counts files because %s" % err
  
      def write_results_file(self, path, lines, lnotab, lines_hit):
          """Return a coverage results file in path."""
  
          try:
              outfile = open(path, "w")
          except IOError, err:
              print >> sys.stderr, ("trace: Could not open %r for writing: %s"
                                    "- skipping" % (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't been covered)
              if lineno in lines_hit:
                  outfile.write("%5d: " % lines_hit[lineno])
                  n_hits += 1
                  n_lines += 1
              elif rx_blank.match(line):
                  outfile.write("       ")
              else:
                  # lines preceded by no marks weren'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(">>>>>> ")
                      n_lines += 1
                  else:
                      outfile.write("       ")
              outfile.write(lines[i].expandtabs(8))
          outfile.close()
  
          return n_hits, n_lines
  
  def find_lines_from_code(code, strs):
      """Return dict where keys are lines in the line number table."""
      linenos = {}
  
      line_increments = [ord(c) for c in code.co_lnotab[1::2]]
      table_length = len(line_increments)
      docstring = False
  
      lineno = code.co_firstlineno
      for li in line_increments:
          lineno += li
          if lineno not in strs:
              linenos[lineno] = 1
  
      return linenos
  
  def find_lines(code, strs):
      """Return lineno dict for all code objects reachable from code."""
      # 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 isinstance(c, types.CodeType):
              # find another code object, so recurse into it
              linenos.update(find_lines(c, strs))
      return linenos
  
  def find_strings(filename):
      """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.
      """
      d = {}
      # If the first token is a string, then it'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):
      """Return dict where keys are line numbers in the line number table."""
      try:
          prog = open(filename, "rU").read()
      except IOError, err:
          print >> sys.stderr, ("Not printing coverage data for %r: %s"
                                % (filename, err))
          return {}
      code = compile(prog, filename, "exec")
      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):
          """
          @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' and `trace'
          @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
          """
          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__
          if not self.donothing:
              sys.settrace(self.globaltrace)
              threading.settrace(self.globaltrace)
          try:
              exec cmd in dict, dict
          finally:
              if not self.donothing:
                  sys.settrace(None)
                  threading.settrace(None)
  
      def runctx(self, cmd, globals=None, locals=None):
          if globals is None: globals = {}
          if locals is None: locals = {}
          if not self.donothing:
              sys.settrace(self.globaltrace)
              threading.settrace(self.globaltrace)
          try:
              exec cmd in globals, locals
          finally:
              if not self.donothing:
                  sys.settrace(None)
                  threading.settrace(None)
  
      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 hasattr(f, "func_doc")]
              # require len(func) == 1 to avoid ambiguity caused by calls to
              # new.function(): "In the face of ambiguity, refuse the
              # temptation to guess."
              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, "__bases__")]
                      if len(classes) == 1:
                          # ditto for new.classobj()
                          clsname = str(classes[0])
                          # 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:
              # final hack - module name shows up in str(cls), but we've already
              # computed module name, so remove it
              clsname = clsname.split(".")[1:]
              clsname = ".".join(clsname)
              funcname = "%s.%s" % (clsname, funcname)
  
          return filename, modulename, funcname
  
      def globaltrace_trackcallers(self, frame, why, arg):
          """Handler for call events.
  
          Adds information about who called who to the self._callers dict.
          """
          if why == 'call':
              # 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):
          """Handler for call events.
  
          Adds (filename, modulename, funcname) to the self._calledfuncs dict.
          """
          if why == 'call':
              this_func = self.file_module_function_of(frame)
              self._calledfuncs[this_func] = 1
  
      def globaltrace_lt(self, frame, why, arg):
          """Handler for call events.
  
          If the code block being entered is to be ignored, returns `None',
          else returns self.localtrace.
          """
          if why == 'call':
              code = frame.f_code
              filename = frame.f_globals.get('__file__', None)
              if filename:
                  # XXX modname() doesn't work right for packages, so
                  # the ignore support won'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 (" --- modulename: %s, funcname: %s"
                                     % (modulename, code.co_name))
                          return self.localtrace
              else:
                  return None
  
      def localtrace_trace_and_count(self, frame, why, arg):
          if why == "line":
              # 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 '%.2f' % (time.time() - self.start_time),
              bname = os.path.basename(filename)
              print "%s(%d): %s" % (bname, lineno,
                                    linecache.getline(filename, lineno)),
          return self.localtrace
  
      def localtrace_trace(self, frame, why, arg):
          if why == "line":
              # 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 '%.2f' % (time.time() - self.start_time),
              bname = os.path.basename(filename)
              print "%s(%d): %s" % (bname, lineno,
                                    linecache.getline(filename, lineno)),
          return self.localtrace
  
      def localtrace_count(self, frame, why, arg):
          if why == "line":
              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("%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:lTg",
                                          ["help", "version", "trace", "count",
                                           "report", "no-report", "summary",
                                           "file=", "missing",
                                           "ignore-module=", "ignore-dir=",
                                           "coverdir=", "listfuncs",
                                           "trackcalls", "timing"])
  
      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
      countcallers = False
      timing = 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 == "-T" or opt == "--trackcalls":
              countcallers = True
              continue
  
          if opt == "-l" or opt == "--listfuncs":
              listfuncs = True
              continue
  
          if opt == "-g" or opt == "--timing":
              timing = 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":
              for mod in val.split(","):
                  ignore_modules.append(mod.strip())
              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 or trace or report or listfuncs or countcallers):
          _err_exit("must specify one of --trace, --count, --report, "
                    "--listfuncs, or --trackcalls")
  
      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]
          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:
              t.run('execfile(%r)' % (progname,))
          except IOError, err:
              _err_exit("Cannot run file %r 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()
  