| #!/usr/bin/env python3 |
| |
| # 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.base_prefix, sys.base_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") |
| """ |
| __all__ = ['Trace', 'CoverageResults'] |
| |
| import linecache |
| import os |
| import re |
| import sys |
| import token |
| import tokenize |
| import inspect |
| import gc |
| import dis |
| import pickle |
| from time import monotonic as _time |
| |
| import threading |
| |
| def _settrace(func): |
| threading.settrace(func) |
| sys.settrace(func) |
| |
| def _unsettrace(): |
| sys.settrace(None) |
| threading.settrace(None) |
| |
| 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 = set() if not modules else set(modules) |
| self._dirs = [] if not dirs else [os.path.normpath(d) |
| for d in dirs] |
| self._ignore = { '<string>': 1 } |
| |
| def names(self, filename, modulename): |
| if modulename in self._ignore: |
| return self._ignore[modulename] |
| |
| # haven't seen this one before, so see if the module name is |
| # on the ignore list. |
| if modulename in self._mods: # Identical names, so ignore |
| self._ignore[modulename] = 1 |
| return 1 |
| |
| # check if the module is a proper submodule of something on |
| # the ignore list |
| for mod in self._mods: |
| # Need to take some care since ignoring |
| # "cmp" mustn't mean ignoring "cmpcache" but ignoring |
| # "Spam" must also mean ignoring "Spam.Eggs". |
| if modulename.startswith(mod + '.'): |
| self._ignore[modulename] = 1 |
| return 1 |
| |
| # Now check that filename 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 |
| # the drive letter is never part of the module name |
| drive, base = os.path.splitdrive(base) |
| base = base.replace(os.sep, ".") |
| if os.altsep: |
| base = base.replace(os.altsep, ".") |
| filename, ext = os.path.splitext(base) |
| return filename.lstrip(".") |
| |
| 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: |
| with open(self.infile, 'rb') as f: |
| counts, calledfuncs, callers = pickle.load(f) |
| self.update(self.__class__(counts, calledfuncs, callers)) |
| except (OSError, EOFError, ValueError) as err: |
| print(("Skipping counts file %r: %s" |
| % (self.infile, err)), file=sys.stderr) |
| |
| def is_ignored_filename(self, filename): |
| """Return True if the filename does not refer to a file |
| we want to have reported. |
| """ |
| return filename.startswith('<') and filename.endswith('>') |
| |
| 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: |
| counts[key] = counts.get(key, 0) + other_counts[key] |
| |
| for key in other_calledfuncs: |
| calledfuncs[key] = 1 |
| |
| for key in other_callers: |
| callers[key] = 1 |
| |
| def write_results(self, show_missing=True, summary=False, coverdir=None): |
| """ |
| Write the coverage results. |
| |
| :param show_missing: Show lines that had no hits. |
| :param summary: Include coverage summary per module. |
| :param coverdir: If None, the results of each module are placed in its |
| directory, otherwise it is included in the directory |
| specified. |
| """ |
| if self.calledfuncs: |
| print() |
| print("functions called:") |
| calls = self.calledfuncs |
| for filename, modulename, funcname in sorted(calls): |
| print(("filename: %s, modulename: %s, funcname: %s" |
| % (filename, modulename, funcname))) |
| |
| if self.callers: |
| print() |
| print("calling relationships:") |
| lastfile = lastcfile = "" |
| for ((pfile, pmod, pfunc), (cfile, cmod, cfunc)) \ |
| in sorted(self.callers): |
| 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: |
| 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.items(): |
| if self.is_ignored_filename(filename): |
| continue |
| |
| if filename.endswith(".pyc"): |
| 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 = {} |
| if lnotab: |
| source = linecache.getlines(filename) |
| coverpath = os.path.join(dir, modulename + ".cover") |
| with open(filename, 'rb') as fp: |
| encoding, _ = tokenize.detect_encoding(fp.readline) |
| n_hits, n_lines = self.write_results_file(coverpath, source, |
| lnotab, count, encoding) |
| if summary and n_lines: |
| percent = int(100 * n_hits / n_lines) |
| sums[modulename] = n_lines, percent, modulename, filename |
| |
| |
| if summary and sums: |
| print("lines cov% module (path)") |
| for m in sorted(sums): |
| 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 OSError as err: |
| print("Can't save counts files because %s" % err, file=sys.stderr) |
| |
| def write_results_file(self, path, lines, lnotab, lines_hit, encoding=None): |
| """Return a coverage results file in path.""" |
| |
| try: |
| outfile = open(path, "w", encoding=encoding) |
| except OSError as err: |
| print(("trace: Could not open %r for writing: %s" |
| "- skipping" % (path, err)), file=sys.stderr) |
| return 0, 0 |
| |
| n_lines = 0 |
| n_hits = 0 |
| with outfile: |
| for lineno, line in enumerate(lines, 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 line: |
| outfile.write(">>>>>> ") |
| n_lines += 1 |
| else: |
| outfile.write(" ") |
| outfile.write(line.expandtabs(8)) |
| |
| return n_hits, n_lines |
| |
| def _find_lines_from_code(code, strs): |
| """Return dict where keys are lines in the line number table.""" |
| linenos = {} |
| |
| for _, lineno in dis.findlinestarts(code): |
| 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 inspect.iscode(c): |
| # find another code object, so recurse into it |
| linenos.update(_find_lines(c, strs)) |
| return linenos |
| |
| def _find_strings(filename, encoding=None): |
| """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 |
| with open(filename, encoding=encoding) as f: |
| tok = tokenize.generate_tokens(f.readline) |
| for ttype, tstr, start, end, line in tok: |
| 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 |
| return d |
| |
| def _find_executable_linenos(filename): |
| """Return dict where keys are line numbers in the line number table.""" |
| try: |
| with tokenize.open(filename) as f: |
| prog = f.read() |
| encoding = f.encoding |
| except OSError as err: |
| print(("Not printing coverage data for %r: %s" |
| % (filename, err)), file=sys.stderr) |
| return {} |
| code = compile(prog, filename, "exec") |
| strs = _find_strings(filename, encoding) |
| 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.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() |
| 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, 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(): "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 = 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 = "%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() - self.start_time), end=' ') |
| bname = os.path.basename(filename) |
| print("%s(%d): %s" % (bname, lineno, |
| linecache.getline(filename, lineno)), end='') |
| 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() - self.start_time), end=' ') |
| bname = os.path.basename(filename) |
| print("%s(%d): %s" % (bname, lineno, |
| linecache.getline(filename, lineno)), end='') |
| 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 main(): |
| import argparse |
| |
| parser = argparse.ArgumentParser() |
| parser.add_argument('--version', action='version', version='trace 2.0') |
| |
| grp = parser.add_argument_group('Main options', |
| 'One of these (or --report) must be given') |
| |
| grp.add_argument('-c', '--count', action='store_true', |
| help='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.') |
| grp.add_argument('-t', '--trace', action='store_true', |
| help='Print each line to sys.stdout before it is executed') |
| grp.add_argument('-l', '--listfuncs', action='store_true', |
| help='Keep track of which functions are executed at least once ' |
| 'and write the results to sys.stdout after the program exits. ' |
| 'Cannot be specified alongside --trace or --count.') |
| grp.add_argument('-T', '--trackcalls', action='store_true', |
| help='Keep track of caller/called pairs and write the results to ' |
| 'sys.stdout after the program exits.') |
| |
| grp = parser.add_argument_group('Modifiers') |
| |
| _grp = grp.add_mutually_exclusive_group() |
| _grp.add_argument('-r', '--report', action='store_true', |
| help='Generate a report from a counts file; does 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') |
| _grp.add_argument('-R', '--no-report', action='store_true', |
| help='Do not generate the coverage report files. ' |
| 'Useful if you want to accumulate over several runs.') |
| |
| grp.add_argument('-f', '--file', |
| help='File to accumulate counts over several runs') |
| grp.add_argument('-C', '--coverdir', |
| help='Directory where the report files go. The coverage report ' |
| 'for <package>.<module> will be written to file ' |
| '<dir>/<package>/<module>.cover') |
| grp.add_argument('-m', '--missing', action='store_true', |
| help='Annotate executable lines that were not executed with ' |
| '">>>>>> "') |
| grp.add_argument('-s', '--summary', action='store_true', |
| help='Write a brief summary for each file to sys.stdout. ' |
| 'Can only be used with --count or --report') |
| grp.add_argument('-g', '--timing', action='store_true', |
| help='Prefix each line with the time since the program started. ' |
| 'Only used while tracing') |
| |
| grp = parser.add_argument_group('Filters', |
| 'Can be specified multiple times') |
| grp.add_argument('--ignore-module', action='append', default=[], |
| help='Ignore the given module(s) and its submodules' |
| '(if it is a package). Accepts comma separated list of ' |
| 'module names.') |
| grp.add_argument('--ignore-dir', action='append', default=[], |
| help='Ignore files in the given directory ' |
| '(multiple directories can be joined by os.pathsep).') |
| |
| parser.add_argument('filename', nargs='?', |
| help='file to run as main program') |
| parser.add_argument('arguments', nargs=argparse.REMAINDER, |
| help='arguments to the program') |
| |
| opts = parser.parse_args() |
| |
| if opts.ignore_dir: |
| rel_path = 'lib', 'python{0.major}.{0.minor}'.format(sys.version_info) |
| _prefix = os.path.join(sys.base_prefix, *rel_path) |
| _exec_prefix = os.path.join(sys.base_exec_prefix, *rel_path) |
| |
| def parse_ignore_dir(s): |
| s = os.path.expanduser(os.path.expandvars(s)) |
| s = s.replace('$prefix', _prefix).replace('$exec_prefix', _exec_prefix) |
| return os.path.normpath(s) |
| |
| opts.ignore_module = [mod.strip() |
| for i in opts.ignore_module for mod in i.split(',')] |
| opts.ignore_dir = [parse_ignore_dir(s) |
| for i in opts.ignore_dir for s in i.split(os.pathsep)] |
| |
| if opts.report: |
| if not opts.file: |
| parser.error('-r/--report requires -f/--file') |
| results = CoverageResults(infile=opts.file, outfile=opts.file) |
| return results.write_results(opts.missing, opts.summary, opts.coverdir) |
| |
| if not any([opts.trace, opts.count, opts.listfuncs, opts.trackcalls]): |
| parser.error('must specify one of --trace, --count, --report, ' |
| '--listfuncs, or --trackcalls') |
| |
| if opts.listfuncs and (opts.count or opts.trace): |
| parser.error('cannot specify both --listfuncs and (--trace or --count)') |
| |
| if opts.summary and not opts.count: |
| parser.error('--summary can only be used with --count or --report') |
| |
| if opts.filename is None: |
| parser.error('filename is missing: required with the main options') |
| |
| sys.argv = [opts.filename, *opts.arguments] |
| sys.path[0] = os.path.dirname(opts.filename) |
| |
| t = Trace(opts.count, opts.trace, countfuncs=opts.listfuncs, |
| countcallers=opts.trackcalls, ignoremods=opts.ignore_module, |
| ignoredirs=opts.ignore_dir, infile=opts.file, |
| outfile=opts.file, timing=opts.timing) |
| try: |
| with open(opts.filename) as fp: |
| code = compile(fp.read(), opts.filename, 'exec') |
| # try to emulate __main__ namespace as much as possible |
| globs = { |
| '__file__': opts.filename, |
| '__name__': '__main__', |
| '__package__': None, |
| '__cached__': None, |
| } |
| t.runctx(code, globs, globs) |
| except OSError as err: |
| sys.exit("Cannot run file %r because: %s" % (sys.argv[0], err)) |
| except SystemExit: |
| pass |
| |
| results = t.results() |
| |
| if not opts.no_report: |
| results.write_results(opts.missing, opts.summary, opts.coverdir) |
| |
| if __name__=='__main__': |
| main() |