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import argparse
import sys
import unittest
from tap.loader import Loader
from tap.runner import TAPTestRunner
def main(argv=sys.argv, stream=sys.stderr):
"""Entry point for ``tappy`` command."""
args = parse_args(argv)
suite = build_suite(args)
runner = unittest.TextTestRunner(verbosity=args.verbose, stream=stream)
result = runner.run(suite)
return get_status(result)
def build_suite(args):
"""Build a test suite by loading TAP files or a TAP stream."""
loader = Loader()
if len(args.files) == 0 or args.files[0] == "-":
suite = loader.load_suite_from_stdin()
else:
suite = loader.load(args.files)
return suite
def parse_args(argv):
description = "A TAP consumer for Python"
epilog = (
"When no files are given or a dash (-) is used for the file name, "
"tappy will read a TAP stream from STDIN."
)
parser = argparse.ArgumentParser(description=description, epilog=epilog)
parser.add_argument(
"files",
metavar="FILE",
nargs="*",
help=(
"A file containing TAP output. Any directories listed will be "
"scanned for files to include as TAP files."
),
)
parser.add_argument(
"-v",
"--verbose",
action="store_const",
default=1,
const=2,
help="use verbose messages",
)
# argparse expects the executable to be removed from argv.
args = parser.parse_args(argv[1:])
# When no files are provided, the user wants to use a TAP stream on STDIN.
# But they probably didn't mean it if there is no pipe connected.
# In that case, print the help and exit.
if not args.files and sys.stdin.isatty():
sys.exit(parser.print_help())
return args
def get_status(result):
"""Get a return status from the result."""
if result.wasSuccessful():
return 0
else:
return 1
def main_module():
"""Entry point for running as ``python -m tap``."""
runner = TAPTestRunner()
runner.set_stream(True)
unittest.main(module=None, testRunner=runner)
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