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[update_lib] show dependent tests in deps subcommand #6828

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Merged
youknowone merged 17 commits into from
Jan 22, 2026
Merged

[update_lib] show dependent tests in deps subcommand #6828

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4154c5e
Show affected tests for given module names
moreal Jan 21, 2026
923ed8e
Support --exclude option to deps subcommand to exclude dependencies
moreal Jan 21, 2026
4c116cd
Exclude non-test files from deps subcommand impact output
moreal Jan 21, 2026
62b9d4e
Recursively search test module directories for deps impact
moreal Jan 21, 2026
774451a
Revert --exclude option of deps subcommand
moreal Jan 21, 2026
e4acc38
Consolidate test module directories in deps impact output
moreal Jan 21, 2026
bf9d248
Add --impact-only flag to deps subcommand for test runner integration
moreal Jan 21, 2026
f7e08cf
Rename impact to dependent tests and make it default in deps subcommand
moreal Jan 21, 2026
38af152
Auto-format: ruff format
github-actions[bot] Jan 21, 2026
682212e
Refactor
moreal Jan 21, 2026
e4bf543
pick a useful level
youknowone Jan 22, 2026
1cb5cc9
Auto-format: ruff format
github-actions[bot] Jan 22, 2026
124ca34
Auto-format: ruff check --select I --fix
github-actions[bot] Jan 22, 2026
3b782b8
sync marker
youknowone Jan 22, 2026
6c44b6c
ci test in rust test
youknowone Jan 22, 2026
184abf1
remove unused
youknowone Jan 22, 2026
39cabdd
Auto-format: ruff format
github-actions[bot] Jan 22, 2026
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Add --impact-only flag to deps subcommand for test runner integration 
Outputs space-separated test names for direct use with python3 -m test:
  python3 -m test $(python3 scripts/update_lib deps sqlite3 --impact-only)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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@moreal @claude @youknowone
2 people authored and youknowone committed Jan 22, 2026
commit bf9d2487c366ebdc77439b6abba759ab48299eea
25 changes: 24 additions & 1 deletion scripts/update_lib/show_deps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -220,8 +220,14 @@ def show_deps(
lib_prefix: str = "Lib",
max_depth: int = 10,
show_impact: bool = False,
impact_only: bool = False,
) -> None:
"""Show all dependency information for modules."""
from update_lib.deps import (
consolidate_test_paths,
find_tests_importing_module,
)

# Expand "all" to all module names
expanded_names = []
for name in names:
Expand All @@ -230,6 +236,18 @@ def show_deps(
else:
expanded_names.append(name)

# Handle impact-only mode: output only space-separated test names
if impact_only:
all_tests: set[str] = set()
for name in expanded_names:
impacted = find_tests_importing_module(name, lib_prefix)
test_dir = pathlib.Path(lib_prefix) / "test"
consolidated = consolidate_test_paths(impacted, test_dir)
all_tests.update(consolidated)
if all_tests:
print(" ".join(sorted(all_tests)))
return

# Shared visited set across all modules
visited: set[str] = set()

Expand Down Expand Up @@ -273,11 +291,16 @@ def main(argv: list[str] | None = None) -> int:
action="store_true",
help="Show tests that import this module (reverse dependencies)",
)
parser.add_argument(
"--impact-only",
action="store_true",
help="Output only impact test names, space-separated (for use with python3 -m test)",
)

args = parser.parse_args(argv)

try:
show_deps(args.names, args.cpython, args.lib, args.depth, args.impact)
show_deps(args.names, args.cpython, args.lib, args.depth, args.impact, args.impact_only)
return 0
except Exception as e:
print(f"Error: {e}", file=sys.stderr)
Expand Down