With pytest-watch I've noticed that pytest.main exits with code 2 (via SystemExit) in case there is an argparse error (unrecognized args).
This could be mapped into throwing UsageError instead:
diff --git i/_pytest/config.py w/_pytest/config.py
index 364ac13c..0e879f34 100644
--- i/_pytest/config.py
+++ w/_pytest/config.py
@@ -801,6 +801,9 @@ def parse_args(self, args=None, namespace=None):
getattr(args, FILE_OR_DIR).extend(argv)
return args
+ def error(self, message):
+ raise UsageError(self.format_usage(), message)
+
class DropShorterLongHelpFormatter(argparse.HelpFormatter):
"""shorten help for long options that differ only in extra hyphensBut at least it sounds sensible to wrap it and exit with pytest's "usage error" code, which would be 4 according to https://docs.pytest.org/en/latest/_modules/_pytest/main.html.
With pytest-watch I've noticed that
pytest.mainexits with code 2 (viaSystemExit) in case there is an argparse error (unrecognized args).This could be mapped into throwing
UsageErrorinstead:But at least it sounds sensible to wrap it and exit with pytest's "usage error" code, which would be 4 according to https://docs.pytest.org/en/latest/_modules/_pytest/main.html.