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import argparse
from pathlib import Path
from typing import List, Sequence, Tuple
from .constants import DEFAULT_DELAY, VERSION
def parse_arguments(args: Sequence[str]) -> Tuple[argparse.Namespace, List[str]]:
def _parse_patterns(arg: str):
return arg.split(",")
parser = argparse.ArgumentParser(
prog="pytest_watcher",
description="""
Watch the <path> for file changes and trigger the test runner (pytest).\n
Additional arguments are passed directly to the test runner.
""",
allow_abbrev=False,
)
parser.add_argument("path", type=Path, help="The path to watch for file changes.")
parser.add_argument(
"--now", action="store_true", help="Trigger the test run immediately"
)
parser.add_argument(
"--clear",
action="store_true",
help="Clear the terminal screen before test run",
)
parser.add_argument(
"--delay",
type=float,
required=False,
help="The delay (in seconds) before triggering "
f"the test run (default: {DEFAULT_DELAY})",
)
parser.add_argument(
"--runner",
type=str,
required=False,
help="Specify the executable for running the tests (default: pytest)",
)
parser.add_argument(
"--patterns",
type=_parse_patterns,
required=False,
help="File patterns to watch, specified as comma-separated "
"Unix-style patterns (default: '*.py')",
)
parser.add_argument(
"--ignore-patterns",
type=_parse_patterns,
required=False,
help="File patterns to ignore, specified as comma-separated "
"Unix-style patterns (default: '')",
)
parser.add_argument("--version", action="version", version=VERSION)
return parser.parse_known_args(args)
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