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fix(cli): format --version output with prog prefix consistent with ecosystem #22

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Merged
howlcipher merged 1 commit into from
Oct 27, 2026
Merged

fix(cli): format --version output with prog prefix consistent with ecosystem #22

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7 changes: 5 additions & 2 deletions src/howldream/cli.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,11 @@

def build_parser() -> argparse.ArgumentParser:
"""Build the command-line parser (also the source of ``interop``)."""
parser = argparse.ArgumentParser(description="HowlDream: dream output is data, not authority.")
parser.add_argument("--version", action="version", version=__version__)
parser = argparse.ArgumentParser(
prog="howldream",
description="HowlDream: dream output is data, not authority.",
)
parser.add_argument("--version", action="version", version=f"%(prog)s {__version__}")
commands = parser.add_subparsers(dest="command", required=True)
for name in ("validate", "run", "dream", "nightmare", "wake", "replay", "inspect", "report"):
sub = commands.add_parser(name)
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12 changes: 12 additions & 0 deletions tests/test_interop_descriptor.py
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Expand Up @@ -76,3 +76,15 @@ def test_commands_howlplane_runs_are_described(monkeypatch, capsys):
def test_evaluate_accepts_the_unblinding_map_it_already_supported():
args = build_parser().parse_args(["evaluate", "dreamvalue", "--unblind", "map.json"])
assert str(args.unblind) == "map.json"


def test_version_flag_output_format(capsys):
import pytest

from howldream.cli import build_parser

with pytest.raises(SystemExit) as exc_info:
build_parser().parse_args(["--version"])
assert exc_info.value.code == 0
captured = capsys.readouterr()
assert f"howldream {__version__}" in captured.out or f"howldream {__version__}" in captured.err
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