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Add --sigterm flag #65

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Add --sigterm flag #65

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1056f06
add `sigterm` arg, matching `coverage.py`
liammcinroy May 6, 2025
589ec66
don't forget `sys.exit`
liammcinroy May 6, 2025
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11 changes: 11 additions & 0 deletions src/slipcover/__main__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
import platform
import functools
import os
import signal
import tempfile
import json
import warnings
Expand Down Expand Up @@ -159,6 +160,7 @@ def main():
ap.add_argument('--threshold', type=int, default=50, metavar="T",
help="threshold for de-instrumentation (if not immediate)")
ap.add_argument('--missing-width', type=int, default=80, metavar="WIDTH", help="maximum width for `missing' column")
ap.add_argument('--sigterm', action='store_true', help="if true, register a SIGTERM signal handler to capture data when the process ends due to a SIGTERM signal.")

# intended for slipcover development only
ap.add_argument('--silent', action='store_true', help=argparse.SUPPRESS)
Expand Down Expand Up @@ -241,6 +243,15 @@ def printit(coverage, outfile):

atexit.register(sci_atexit)

# Windows doesn't have a SIGTERM signal.
if args.sigterm and platform.system() != 'Windows':
def sci_sigterm_atexit(signum, frame):
sci_atexit()
# we have to exit here, otherwise the process won't stop.
sys.exit(0)

signal.signal(signal.SIGTERM, sci_sigterm_atexit)

if args.script:
# python 'globals' for the script being executed
script_globals: Dict[Any, Any] = dict()
Expand Down