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ansible-later/env_27/lib/python2.7/site-packages/coverage/cmdline.py

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fix pytest
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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
"""Command-line support for coverage.py."""
from __future__ import print_function
import glob
import optparse
import os.path
import sys
import textwrap
import traceback
from coverage import env
from coverage.collector import CTracer
from coverage.debug import info_formatter, info_header
from coverage.execfile import run_python_file, run_python_module
from coverage.misc import BaseCoverageException, ExceptionDuringRun, NoSource
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),
)
debug = optparse.make_option(
'', '--debug', action='store', metavar="OPTS",
help="Debug options, separated by commas",
)
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."
),
)
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.",
)
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."
),
)
output_xml = optparse.make_option(
'-o', '', action='store', dest="outfile",
metavar="OUTFILE",
help="Write the XML report to this file. Defaults to 'coverage.xml'",
)
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."
),
)
rcfile = optparse.make_option(
'', '--rcfile', action='store',
help=(
"Specify configuration file. "
"By default '.coveragerc', 'setup.cfg' and 'tox.ini' are tried."
),
)
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,
debug=None,
directory=None,
fail_under=None,
help=None,
ignore_errors=None,
include=None,
module=None,
omit=None,
parallel_mode=None,
pylib=None,
rcfile=True,
show_missing=None,
skip_covered=None,
source=None,
timid=None,
title=None,
version=None,
)
self.disable_interspersed_args()
self.help_fn = self.help_noop
def help_noop(self, error=None, topic=None, parser=None):
"""No-op help function."""
pass
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."""
self.help_fn(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 on the internals of coverage.py, "
"for diagnosing problems. "
"Topics are 'data' to show a summary of the collected data, "
"or 'sys' to show installation information."
),
),
'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.directory,
Opts.fail_under,
Opts.ignore_errors,
Opts.include,
Opts.omit,
Opts.title,
Opts.skip_covered,
] + 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."
),
),
'report': CmdOptionParser(
"report",
[
Opts.fail_under,
Opts.ignore_errors,
Opts.include,
Opts.omit,
Opts.show_missing,
Opts.skip_covered,
] + GLOBAL_ARGS,
usage="[options] [modules]",
description="Report coverage statistics on modules."
),
'run': CmdOptionParser(
"run",
[
Opts.append,
Opts.branch,
Opts.concurrency,
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,
] + GLOBAL_ARGS,
usage="[options] [modules]",
description="Generate an XML report of coverage results."
),
}
OK, ERR, FAIL_UNDER = 0, 1, 2
class CoverageScript(object):
"""The command-line interface to coverage.py."""
def __init__(self, _covpkg=None, _run_python_file=None,
_run_python_module=None, _help_fn=None, _path_exists=None):
# _covpkg is for dependency injection, so we can test this code.
if _covpkg:
self.covpkg = _covpkg
else:
import coverage
self.covpkg = coverage
# For dependency injection:
self.run_python_file = _run_python_file or run_python_file
self.run_python_module = _run_python_module or run_python_module
self.help_fn = _help_fn or self.help
self.path_exists = _path_exists or os.path.exists
self.global_option = False
self.coverage = None
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)
self.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 self.program_name.endswith(auto_suffix):
self.program_name = self.program_name[:-len(auto_suffix)]
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:
self.help_fn(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:
self.help_fn("Unknown command: '%s'" % argv[0])
return ERR
argv = argv[1:]
parser.help_fn = self.help_fn
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
# We need to be able to import from the current directory, because
# plugins may try to, for example, to read Django settings.
sys.path[0] = ''
# Listify the list options.
source = unshell_list(options.source)
omit = unshell_list(options.omit)
include = unshell_list(options.include)
debug = unshell_list(options.debug)
# Do something.
self.coverage = self.covpkg.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,
)
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,
)
self.coverage.load()
total = None
if options.action == "report":
total = self.coverage.report(
show_missing=options.show_missing,
skip_covered=options.skip_covered, **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, **report_args)
elif options.action == "xml":
outfile = options.outfile
total = self.coverage.xml_report(outfile=outfile, **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):
return FAIL_UNDER
return OK
def help(self, error=None, topic=None, parser=None):
"""Display an error message, or the named topic."""
assert error or topic or parser
if error:
print(error, file=sys.stderr)
print("Use '%s help' for help." % (self.program_name,), file=sys.stderr)
elif parser:
print(parser.format_help().strip())
else:
help_params = dict(self.covpkg.__dict__)
help_params['program_name'] = self.program_name
if CTracer is not None:
help_params['extension_modifier'] = 'with C extension'
else:
help_params['extension_modifier'] = 'without C extension'
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)
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:
self.help_fn(topic='help')
else:
self.help_fn(parser=parser)
return True
if options.action == "help":
if args:
for a in args:
parser = CMDS.get(a)
if parser:
self.help_fn(parser=parser)
else:
self.help_fn(topic=a)
else:
self.help_fn(topic='help')
return True
# Handle version.
if options.version:
self.help_fn(topic='version')
return True
return False
def do_run(self, options, args):
"""Implementation of 'coverage run'."""
if not args:
self.help_fn("Nothing to do.")
return ERR
if options.append and self.coverage.get_option("run:parallel"):
self.help_fn("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:
self.help_fn(
"Options affecting multiprocessing must be specified "
"in a configuration file."
)
return ERR
if not self.coverage.get_option("run:parallel"):
if not options.append:
self.coverage.erase()
# Run the script.
self.coverage.start()
code_ran = True
try:
if options.module:
self.run_python_module(args[0], args)
else:
filename = args[0]
self.run_python_file(filename, args)
except NoSource:
code_ran = False
raise
finally:
self.coverage.stop()
if code_ran:
if options.append:
data_file = self.coverage.get_option("run:data_file")
if self.path_exists(data_file):
self.coverage.combine(data_paths=[data_file])
self.coverage.save()
return OK
def do_debug(self, args):
"""Implementation of 'coverage debug'."""
if not args:
self.help_fn("What information would you like: config, data, sys?")
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.data
print(info_header("data"))
print("path: %s" % self.coverage.data_files.filename)
if data:
print("has_arcs: %r" % data.has_arcs())
summary = data.line_counts(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)
else:
self.help_fn("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.
erase Erase previously collected coverage data.
help Get help on using coverage.py.
html Create an HTML report.
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.
For full documentation, see {__url__}
""",
'minimum_help': """\
Code coverage for Python. Use '{program_name} help' for help.
""",
'version': """\
Coverage.py, version {__version__} {extension_modifier}
Documentation at {__url__}
""",
}
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.
print(err)
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
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