--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/DebugClients/Python/coverage/cmdline.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,904 @@
+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
+
+"""Command-line support for coverage.py."""
+
+from __future__ import print_function
+
+import glob
+import optparse
+import os.path
+import shlex
+import sys
+import textwrap
+import traceback
+
+import coverage
+from coverage import Coverage
+from coverage import env
+from coverage.collector import CTracer
+from coverage.data import line_counts
+from coverage.debug import info_formatter, info_header, short_stack
+from coverage.execfile import PyRunner
+from coverage.misc import BaseCoverageException, ExceptionDuringRun, NoSource, output_encoding
+from coverage.results import should_fail_under
+
+
+class Opts(object):
+ """A namespace class for individual options we'll build parsers from."""
+
+ append = optparse.make_option(
+ '-a', '--append', action='store_true',
+ help="Append coverage data to .coverage, otherwise it starts clean each time.",
+ )
+ branch = optparse.make_option(
+ '', '--branch', action='store_true',
+ help="Measure branch coverage in addition to statement coverage.",
+ )
+ CONCURRENCY_CHOICES = [
+ "thread", "gevent", "greenlet", "eventlet", "multiprocessing",
+ ]
+ concurrency = optparse.make_option(
+ '', '--concurrency', action='store', metavar="LIB",
+ choices=CONCURRENCY_CHOICES,
+ help=(
+ "Properly measure code using a concurrency library. "
+ "Valid values are: %s."
+ ) % ", ".join(CONCURRENCY_CHOICES),
+ )
+ context = optparse.make_option(
+ '', '--context', action='store', metavar="LABEL",
+ help="The context label to record for this coverage run.",
+ )
+ debug = optparse.make_option(
+ '', '--debug', action='store', metavar="OPTS",
+ help="Debug options, separated by commas. [env: COVERAGE_DEBUG]",
+ )
+ directory = optparse.make_option(
+ '-d', '--directory', action='store', metavar="DIR",
+ help="Write the output files to DIR.",
+ )
+ fail_under = optparse.make_option(
+ '', '--fail-under', action='store', metavar="MIN", type="float",
+ help="Exit with a status of 2 if the total coverage is less than MIN.",
+ )
+ help = optparse.make_option(
+ '-h', '--help', action='store_true',
+ help="Get help on this command.",
+ )
+ ignore_errors = optparse.make_option(
+ '-i', '--ignore-errors', action='store_true',
+ help="Ignore errors while reading source files.",
+ )
+ include = optparse.make_option(
+ '', '--include', action='store',
+ metavar="PAT1,PAT2,...",
+ help=(
+ "Include only files whose paths match one of these patterns. "
+ "Accepts shell-style wildcards, which must be quoted."
+ ),
+ )
+ pylib = optparse.make_option(
+ '-L', '--pylib', action='store_true',
+ help=(
+ "Measure coverage even inside the Python installed library, "
+ "which isn't done by default."
+ ),
+ )
+ sort = optparse.make_option(
+ '--sort', action='store', metavar='COLUMN',
+ help="Sort the report by the named column: name, stmts, miss, branch, brpart, or cover. "
+ "Default is name."
+ )
+ show_missing = optparse.make_option(
+ '-m', '--show-missing', action='store_true',
+ help="Show line numbers of statements in each module that weren't executed.",
+ )
+ skip_covered = optparse.make_option(
+ '--skip-covered', action='store_true',
+ help="Skip files with 100% coverage.",
+ )
+ no_skip_covered = optparse.make_option(
+ '--no-skip-covered', action='store_false', dest='skip_covered',
+ help="Disable --skip-covered.",
+ )
+ skip_empty = optparse.make_option(
+ '--skip-empty', action='store_true',
+ help="Skip files with no code.",
+ )
+ show_contexts = optparse.make_option(
+ '--show-contexts', action='store_true',
+ help="Show contexts for covered lines.",
+ )
+ omit = optparse.make_option(
+ '', '--omit', action='store',
+ metavar="PAT1,PAT2,...",
+ help=(
+ "Omit files whose paths match one of these patterns. "
+ "Accepts shell-style wildcards, which must be quoted."
+ ),
+ )
+ contexts = optparse.make_option(
+ '', '--contexts', action='store',
+ metavar="REGEX1,REGEX2,...",
+ help=(
+ "Only display data from lines covered in the given contexts. "
+ "Accepts Python regexes, which must be quoted."
+ ),
+ )
+ output_xml = optparse.make_option(
+ '-o', '', action='store', dest="outfile",
+ metavar="OUTFILE",
+ help="Write the XML report to this file. Defaults to 'coverage.xml'",
+ )
+ output_json = optparse.make_option(
+ '-o', '', action='store', dest="outfile",
+ metavar="OUTFILE",
+ help="Write the JSON report to this file. Defaults to 'coverage.json'",
+ )
+ json_pretty_print = optparse.make_option(
+ '', '--pretty-print', action='store_true',
+ help="Format the JSON for human readers.",
+ )
+ parallel_mode = optparse.make_option(
+ '-p', '--parallel-mode', action='store_true',
+ help=(
+ "Append the machine name, process id and random number to the "
+ ".coverage data file name to simplify collecting data from "
+ "many processes."
+ ),
+ )
+ module = optparse.make_option(
+ '-m', '--module', action='store_true',
+ help=(
+ "<pyfile> is an importable Python module, not a script path, "
+ "to be run as 'python -m' would run it."
+ ),
+ )
+ precision = optparse.make_option(
+ '', '--precision', action='store', metavar='N', type=int,
+ help=(
+ "Number of digits after the decimal point to display for "
+ "reported coverage percentages."
+ ),
+ )
+ rcfile = optparse.make_option(
+ '', '--rcfile', action='store',
+ help=(
+ "Specify configuration file. "
+ "By default '.coveragerc', 'setup.cfg', 'tox.ini', and "
+ "'pyproject.toml' are tried. [env: COVERAGE_RCFILE]"
+ ),
+ )
+ source = optparse.make_option(
+ '', '--source', action='store', metavar="SRC1,SRC2,...",
+ help="A list of packages or directories of code to be measured.",
+ )
+ timid = optparse.make_option(
+ '', '--timid', action='store_true',
+ help=(
+ "Use a simpler but slower trace method. Try this if you get "
+ "seemingly impossible results!"
+ ),
+ )
+ title = optparse.make_option(
+ '', '--title', action='store', metavar="TITLE",
+ help="A text string to use as the title on the HTML.",
+ )
+ version = optparse.make_option(
+ '', '--version', action='store_true',
+ help="Display version information and exit.",
+ )
+
+
+class CoverageOptionParser(optparse.OptionParser, object):
+ """Base OptionParser for coverage.py.
+
+ Problems don't exit the program.
+ Defaults are initialized for all options.
+
+ """
+
+ def __init__(self, *args, **kwargs):
+ super(CoverageOptionParser, self).__init__(
+ add_help_option=False, *args, **kwargs
+ )
+ self.set_defaults(
+ action=None,
+ append=None,
+ branch=None,
+ concurrency=None,
+ context=None,
+ debug=None,
+ directory=None,
+ fail_under=None,
+ help=None,
+ ignore_errors=None,
+ include=None,
+ module=None,
+ omit=None,
+ contexts=None,
+ parallel_mode=None,
+ precision=None,
+ pylib=None,
+ rcfile=True,
+ show_missing=None,
+ skip_covered=None,
+ skip_empty=None,
+ show_contexts=None,
+ sort=None,
+ source=None,
+ timid=None,
+ title=None,
+ version=None,
+ )
+
+ self.disable_interspersed_args()
+
+ class OptionParserError(Exception):
+ """Used to stop the optparse error handler ending the process."""
+ pass
+
+ def parse_args_ok(self, args=None, options=None):
+ """Call optparse.parse_args, but return a triple:
+
+ (ok, options, args)
+
+ """
+ try:
+ options, args = super(CoverageOptionParser, self).parse_args(args, options)
+ except self.OptionParserError:
+ return False, None, None
+ return True, options, args
+
+ def error(self, msg):
+ """Override optparse.error so sys.exit doesn't get called."""
+ show_help(msg)
+ raise self.OptionParserError
+
+
+class GlobalOptionParser(CoverageOptionParser):
+ """Command-line parser for coverage.py global option arguments."""
+
+ def __init__(self):
+ super(GlobalOptionParser, self).__init__()
+
+ self.add_options([
+ Opts.help,
+ Opts.version,
+ ])
+
+
+class CmdOptionParser(CoverageOptionParser):
+ """Parse one of the new-style commands for coverage.py."""
+
+ def __init__(self, action, options, defaults=None, usage=None, description=None):
+ """Create an OptionParser for a coverage.py command.
+
+ `action` is the slug to put into `options.action`.
+ `options` is a list of Option's for the command.
+ `defaults` is a dict of default value for options.
+ `usage` is the usage string to display in help.
+ `description` is the description of the command, for the help text.
+
+ """
+ if usage:
+ usage = "%prog " + usage
+ super(CmdOptionParser, self).__init__(
+ usage=usage,
+ description=description,
+ )
+ self.set_defaults(action=action, **(defaults or {}))
+ self.add_options(options)
+ self.cmd = action
+
+ def __eq__(self, other):
+ # A convenience equality, so that I can put strings in unit test
+ # results, and they will compare equal to objects.
+ return (other == "<CmdOptionParser:%s>" % self.cmd)
+
+ __hash__ = None # This object doesn't need to be hashed.
+
+ def get_prog_name(self):
+ """Override of an undocumented function in optparse.OptionParser."""
+ program_name = super(CmdOptionParser, self).get_prog_name()
+
+ # Include the sub-command for this parser as part of the command.
+ return "{command} {subcommand}".format(command=program_name, subcommand=self.cmd)
+
+
+GLOBAL_ARGS = [
+ Opts.debug,
+ Opts.help,
+ Opts.rcfile,
+ ]
+
+CMDS = {
+ 'annotate': CmdOptionParser(
+ "annotate",
+ [
+ Opts.directory,
+ Opts.ignore_errors,
+ Opts.include,
+ Opts.omit,
+ ] + GLOBAL_ARGS,
+ usage="[options] [modules]",
+ description=(
+ "Make annotated copies of the given files, marking statements that are executed "
+ "with > and statements that are missed with !."
+ ),
+ ),
+
+ 'combine': CmdOptionParser(
+ "combine",
+ [
+ Opts.append,
+ ] + GLOBAL_ARGS,
+ usage="[options] <path1> <path2> ... <pathN>",
+ description=(
+ "Combine data from multiple coverage files collected "
+ "with 'run -p'. The combined results are written to a single "
+ "file representing the union of the data. The positional "
+ "arguments are data files or directories containing data files. "
+ "If no paths are provided, data files in the default data file's "
+ "directory are combined."
+ ),
+ ),
+
+ 'debug': CmdOptionParser(
+ "debug", GLOBAL_ARGS,
+ usage="<topic>",
+ description=(
+ "Display information about the internals of coverage.py, "
+ "for diagnosing problems. "
+ "Topics are: "
+ "'data' to show a summary of the collected data; "
+ "'sys' to show installation information; "
+ "'config' to show the configuration; "
+ "'premain' to show what is calling coverage."
+ ),
+ ),
+
+ 'erase': CmdOptionParser(
+ "erase", GLOBAL_ARGS,
+ description="Erase previously collected coverage data.",
+ ),
+
+ 'help': CmdOptionParser(
+ "help", GLOBAL_ARGS,
+ usage="[command]",
+ description="Describe how to use coverage.py",
+ ),
+
+ 'html': CmdOptionParser(
+ "html",
+ [
+ Opts.contexts,
+ Opts.directory,
+ Opts.fail_under,
+ Opts.ignore_errors,
+ Opts.include,
+ Opts.omit,
+ Opts.precision,
+ Opts.show_contexts,
+ Opts.skip_covered,
+ Opts.no_skip_covered,
+ Opts.skip_empty,
+ Opts.title,
+ ] + GLOBAL_ARGS,
+ usage="[options] [modules]",
+ description=(
+ "Create an HTML report of the coverage of the files. "
+ "Each file gets its own page, with the source decorated to show "
+ "executed, excluded, and missed lines."
+ ),
+ ),
+
+ 'json': CmdOptionParser(
+ "json",
+ [
+ Opts.contexts,
+ Opts.fail_under,
+ Opts.ignore_errors,
+ Opts.include,
+ Opts.omit,
+ Opts.output_json,
+ Opts.json_pretty_print,
+ Opts.show_contexts,
+ ] + GLOBAL_ARGS,
+ usage="[options] [modules]",
+ description="Generate a JSON report of coverage results."
+ ),
+
+ 'report': CmdOptionParser(
+ "report",
+ [
+ Opts.contexts,
+ Opts.fail_under,
+ Opts.ignore_errors,
+ Opts.include,
+ Opts.omit,
+ Opts.precision,
+ Opts.sort,
+ Opts.show_missing,
+ Opts.skip_covered,
+ Opts.no_skip_covered,
+ Opts.skip_empty,
+ ] + GLOBAL_ARGS,
+ usage="[options] [modules]",
+ description="Report coverage statistics on modules."
+ ),
+
+ 'run': CmdOptionParser(
+ "run",
+ [
+ Opts.append,
+ Opts.branch,
+ Opts.concurrency,
+ Opts.context,
+ Opts.include,
+ Opts.module,
+ Opts.omit,
+ Opts.pylib,
+ Opts.parallel_mode,
+ Opts.source,
+ Opts.timid,
+ ] + GLOBAL_ARGS,
+ usage="[options] <pyfile> [program options]",
+ description="Run a Python program, measuring code execution."
+ ),
+
+ 'xml': CmdOptionParser(
+ "xml",
+ [
+ Opts.fail_under,
+ Opts.ignore_errors,
+ Opts.include,
+ Opts.omit,
+ Opts.output_xml,
+ Opts.skip_empty,
+ ] + GLOBAL_ARGS,
+ usage="[options] [modules]",
+ description="Generate an XML report of coverage results."
+ ),
+}
+
+
+def show_help(error=None, topic=None, parser=None):
+ """Display an error message, or the named topic."""
+ assert error or topic or parser
+
+ program_path = sys.argv[0]
+ if program_path.endswith(os.path.sep + '__main__.py'):
+ # The path is the main module of a package; get that path instead.
+ program_path = os.path.dirname(program_path)
+ program_name = os.path.basename(program_path)
+ if env.WINDOWS:
+ # entry_points={'console_scripts':...} on Windows makes files
+ # called coverage.exe, coverage3.exe, and coverage-3.5.exe. These
+ # invoke coverage-script.py, coverage3-script.py, and
+ # coverage-3.5-script.py. argv[0] is the .py file, but we want to
+ # get back to the original form.
+ auto_suffix = "-script.py"
+ if program_name.endswith(auto_suffix):
+ program_name = program_name[:-len(auto_suffix)]
+
+ help_params = dict(coverage.__dict__)
+ help_params['program_name'] = program_name
+ if CTracer is not None:
+ help_params['extension_modifier'] = 'with C extension'
+ else:
+ help_params['extension_modifier'] = 'without C extension'
+
+ if error:
+ print(error, file=sys.stderr)
+ print("Use '%s help' for help." % (program_name,), file=sys.stderr)
+ elif parser:
+ print(parser.format_help().strip())
+ print()
+ else:
+ help_msg = textwrap.dedent(HELP_TOPICS.get(topic, '')).strip()
+ if help_msg:
+ print(help_msg.format(**help_params))
+ else:
+ print("Don't know topic %r" % topic)
+ print("Full documentation is at {__url__}".format(**help_params))
+
+
+OK, ERR, FAIL_UNDER = 0, 1, 2
+
+
+class CoverageScript(object):
+ """The command-line interface to coverage.py."""
+
+ def __init__(self):
+ self.global_option = False
+ self.coverage = None
+
+ def command_line(self, argv):
+ """The bulk of the command line interface to coverage.py.
+
+ `argv` is the argument list to process.
+
+ Returns 0 if all is well, 1 if something went wrong.
+
+ """
+ # Collect the command-line options.
+ if not argv:
+ show_help(topic='minimum_help')
+ return OK
+
+ # The command syntax we parse depends on the first argument. Global
+ # switch syntax always starts with an option.
+ self.global_option = argv[0].startswith('-')
+ if self.global_option:
+ parser = GlobalOptionParser()
+ else:
+ parser = CMDS.get(argv[0])
+ if not parser:
+ show_help("Unknown command: '%s'" % argv[0])
+ return ERR
+ argv = argv[1:]
+
+ ok, options, args = parser.parse_args_ok(argv)
+ if not ok:
+ return ERR
+
+ # Handle help and version.
+ if self.do_help(options, args, parser):
+ return OK
+
+ # Listify the list options.
+ source = unshell_list(options.source)
+ omit = unshell_list(options.omit)
+ include = unshell_list(options.include)
+ debug = unshell_list(options.debug)
+ contexts = unshell_list(options.contexts)
+
+ # Do something.
+ self.coverage = Coverage(
+ data_suffix=options.parallel_mode,
+ cover_pylib=options.pylib,
+ timid=options.timid,
+ branch=options.branch,
+ config_file=options.rcfile,
+ source=source,
+ omit=omit,
+ include=include,
+ debug=debug,
+ concurrency=options.concurrency,
+ check_preimported=True,
+ context=options.context,
+ )
+
+ if options.action == "debug":
+ return self.do_debug(args)
+
+ elif options.action == "erase":
+ self.coverage.erase()
+ return OK
+
+ elif options.action == "run":
+ return self.do_run(options, args)
+
+ elif options.action == "combine":
+ if options.append:
+ self.coverage.load()
+ data_dirs = args or None
+ self.coverage.combine(data_dirs, strict=True)
+ self.coverage.save()
+ return OK
+
+ # Remaining actions are reporting, with some common options.
+ report_args = dict(
+ morfs=unglob_args(args),
+ ignore_errors=options.ignore_errors,
+ omit=omit,
+ include=include,
+ contexts=contexts,
+ )
+
+ # We need to be able to import from the current directory, because
+ # plugins may try to, for example, to read Django settings.
+ sys.path.insert(0, '')
+
+ self.coverage.load()
+
+ total = None
+ if options.action == "report":
+ total = self.coverage.report(
+ show_missing=options.show_missing,
+ skip_covered=options.skip_covered,
+ skip_empty=options.skip_empty,
+ precision=options.precision,
+ sort=options.sort,
+ **report_args
+ )
+ elif options.action == "annotate":
+ self.coverage.annotate(directory=options.directory, **report_args)
+ elif options.action == "html":
+ total = self.coverage.html_report(
+ directory=options.directory,
+ title=options.title,
+ skip_covered=options.skip_covered,
+ skip_empty=options.skip_empty,
+ show_contexts=options.show_contexts,
+ precision=options.precision,
+ **report_args
+ )
+ elif options.action == "xml":
+ outfile = options.outfile
+ total = self.coverage.xml_report(
+ outfile=outfile, skip_empty=options.skip_empty,
+ **report_args
+ )
+ elif options.action == "json":
+ outfile = options.outfile
+ total = self.coverage.json_report(
+ outfile=outfile,
+ pretty_print=options.pretty_print,
+ show_contexts=options.show_contexts,
+ **report_args
+ )
+
+ if total is not None:
+ # Apply the command line fail-under options, and then use the config
+ # value, so we can get fail_under from the config file.
+ if options.fail_under is not None:
+ self.coverage.set_option("report:fail_under", options.fail_under)
+
+ fail_under = self.coverage.get_option("report:fail_under")
+ precision = self.coverage.get_option("report:precision")
+ if should_fail_under(total, fail_under, precision):
+ msg = "total of {total:.{p}f} is less than fail-under={fail_under:.{p}f}".format(
+ total=total, fail_under=fail_under, p=precision,
+ )
+ print("Coverage failure:", msg)
+ return FAIL_UNDER
+
+ return OK
+
+ def do_help(self, options, args, parser):
+ """Deal with help requests.
+
+ Return True if it handled the request, False if not.
+
+ """
+ # Handle help.
+ if options.help:
+ if self.global_option:
+ show_help(topic='help')
+ else:
+ show_help(parser=parser)
+ return True
+
+ if options.action == "help":
+ if args:
+ for a in args:
+ parser = CMDS.get(a)
+ if parser:
+ show_help(parser=parser)
+ else:
+ show_help(topic=a)
+ else:
+ show_help(topic='help')
+ return True
+
+ # Handle version.
+ if options.version:
+ show_help(topic='version')
+ return True
+
+ return False
+
+ def do_run(self, options, args):
+ """Implementation of 'coverage run'."""
+
+ if not args:
+ if options.module:
+ # Specified -m with nothing else.
+ show_help("No module specified for -m")
+ return ERR
+ command_line = self.coverage.get_option("run:command_line")
+ if command_line is not None:
+ args = shlex.split(command_line)
+ if args and args[0] == "-m":
+ options.module = True
+ args = args[1:]
+ if not args:
+ show_help("Nothing to do.")
+ return ERR
+
+ if options.append and self.coverage.get_option("run:parallel"):
+ show_help("Can't append to data files in parallel mode.")
+ return ERR
+
+ if options.concurrency == "multiprocessing":
+ # Can't set other run-affecting command line options with
+ # multiprocessing.
+ for opt_name in ['branch', 'include', 'omit', 'pylib', 'source', 'timid']:
+ # As it happens, all of these options have no default, meaning
+ # they will be None if they have not been specified.
+ if getattr(options, opt_name) is not None:
+ show_help(
+ "Options affecting multiprocessing must only be specified "
+ "in a configuration file.\n"
+ "Remove --{} from the command line.".format(opt_name)
+ )
+ return ERR
+
+ runner = PyRunner(args, as_module=bool(options.module))
+ runner.prepare()
+
+ if options.append:
+ self.coverage.load()
+
+ # Run the script.
+ self.coverage.start()
+ code_ran = True
+ try:
+ runner.run()
+ except NoSource:
+ code_ran = False
+ raise
+ finally:
+ self.coverage.stop()
+ if code_ran:
+ self.coverage.save()
+
+ return OK
+
+ def do_debug(self, args):
+ """Implementation of 'coverage debug'."""
+
+ if not args:
+ show_help("What information would you like: config, data, sys, premain?")
+ return ERR
+
+ for info in args:
+ if info == 'sys':
+ sys_info = self.coverage.sys_info()
+ print(info_header("sys"))
+ for line in info_formatter(sys_info):
+ print(" %s" % line)
+ elif info == 'data':
+ self.coverage.load()
+ data = self.coverage.get_data()
+ print(info_header("data"))
+ print("path: %s" % self.coverage.get_data().data_filename())
+ if data:
+ print("has_arcs: %r" % data.has_arcs())
+ summary = line_counts(data, fullpath=True)
+ filenames = sorted(summary.keys())
+ print("\n%d files:" % len(filenames))
+ for f in filenames:
+ line = "%s: %d lines" % (f, summary[f])
+ plugin = data.file_tracer(f)
+ if plugin:
+ line += " [%s]" % plugin
+ print(line)
+ else:
+ print("No data collected")
+ elif info == 'config':
+ print(info_header("config"))
+ config_info = self.coverage.config.__dict__.items()
+ for line in info_formatter(config_info):
+ print(" %s" % line)
+ elif info == "premain":
+ print(info_header("premain"))
+ print(short_stack())
+ else:
+ show_help("Don't know what you mean by %r" % info)
+ return ERR
+
+ return OK
+
+
+def unshell_list(s):
+ """Turn a command-line argument into a list."""
+ if not s:
+ return None
+ if env.WINDOWS:
+ # When running coverage.py as coverage.exe, some of the behavior
+ # of the shell is emulated: wildcards are expanded into a list of
+ # file names. So you have to single-quote patterns on the command
+ # line, but (not) helpfully, the single quotes are included in the
+ # argument, so we have to strip them off here.
+ s = s.strip("'")
+ return s.split(',')
+
+
+def unglob_args(args):
+ """Interpret shell wildcards for platforms that need it."""
+ if env.WINDOWS:
+ globbed = []
+ for arg in args:
+ if '?' in arg or '*' in arg:
+ globbed.extend(glob.glob(arg))
+ else:
+ globbed.append(arg)
+ args = globbed
+ return args
+
+
+HELP_TOPICS = {
+ 'help': """\
+ Coverage.py, version {__version__} {extension_modifier}
+ Measure, collect, and report on code coverage in Python programs.
+
+ usage: {program_name} <command> [options] [args]
+
+ Commands:
+ annotate Annotate source files with execution information.
+ combine Combine a number of data files.
+ debug Display information about the internals of coverage.py
+ erase Erase previously collected coverage data.
+ help Get help on using coverage.py.
+ html Create an HTML report.
+ json Create a JSON report of coverage results.
+ report Report coverage stats on modules.
+ run Run a Python program and measure code execution.
+ xml Create an XML report of coverage results.
+
+ Use "{program_name} help <command>" for detailed help on any command.
+ """,
+
+ 'minimum_help': """\
+ Code coverage for Python, version {__version__} {extension_modifier}. Use '{program_name} help' for help.
+ """,
+
+ 'version': """\
+ Coverage.py, version {__version__} {extension_modifier}
+ """,
+}
+
+
+def main(argv=None):
+ """The main entry point to coverage.py.
+
+ This is installed as the script entry point.
+
+ """
+ if argv is None:
+ argv = sys.argv[1:]
+ try:
+ status = CoverageScript().command_line(argv)
+ except ExceptionDuringRun as err:
+ # An exception was caught while running the product code. The
+ # sys.exc_info() return tuple is packed into an ExceptionDuringRun
+ # exception.
+ traceback.print_exception(*err.args) # pylint: disable=no-value-for-parameter
+ status = ERR
+ except BaseCoverageException as err:
+ # A controlled error inside coverage.py: print the message to the user.
+ msg = err.args[0]
+ if env.PY2:
+ msg = msg.encode(output_encoding())
+ print(msg)
+ status = ERR
+ except SystemExit as err:
+ # The user called `sys.exit()`. Exit with their argument, if any.
+ if err.args:
+ status = err.args[0]
+ else:
+ status = None
+ return status
+
+# Profiling using ox_profile. Install it from GitHub:
+# pip install git+https://github.com/emin63/ox_profile.git
+#
+# $set_env.py: COVERAGE_PROFILE - Set to use ox_profile.
+_profile = os.environ.get("COVERAGE_PROFILE", "")
+if _profile: # pragma: debugging
+ from ox_profile.core.launchers import SimpleLauncher # pylint: disable=import-error
+ original_main = main
+
+ def main(argv=None): # pylint: disable=function-redefined
+ """A wrapper around main that profiles."""
+ profiler = SimpleLauncher.launch()
+ try:
+ return original_main(argv)
+ finally:
+ data, _ = profiler.query(re_filter='coverage', max_records=100)
+ print(profiler.show(query=data, limit=100, sep='', col=''))
+ profiler.cancel()
