esphome/script/build_codeowners.py

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#!/usr/bin/env python3
from pathlib import Path
import sys
import argparse
from collections import defaultdict
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from esphome.helpers import write_file_if_changed
from esphome.config import get_component, get_platform
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from esphome.core import CORE
parser = argparse.ArgumentParser()
parser.add_argument(
"--check", help="Check if the CODEOWNERS file is up to date.", action="store_true"
)
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args = parser.parse_args()
# The root directory of the repo
root = Path(__file__).parent.parent
components_dir = root / "esphome" / "components"
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BASE = """
# This file is generated by script/build_codeowners.py
# People marked here will be automatically requested for a review
# when the code that they own is touched.
#
# Every time an issue is created with a label corresponding to an integration,
# the integration's code owner is automatically notified.
# Core Code
setup.py @esphome/core
esphome/*.py @esphome/core
esphome/core/* @esphome/core
# Integrations
""".strip()
parts = [BASE]
# Fake some diretory so that get_component works
CORE.config_path = str(root)
codeowners = defaultdict(list)
for path in components_dir.iterdir():
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if not path.is_dir():
continue
if not (path / "__init__.py").is_file():
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continue
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name = path.name
comp = get_component(name)
if comp is None:
print(
f"Cannot find component {name}. Make sure current path is pip installed ESPHome"
)
sys.exit(1)
codeowners[f"esphome/components/{name}/*"].extend(comp.codeowners)
for platform_path in path.iterdir():
platform_name = platform_path.stem
platform = get_platform(platform_name, name)
if platform is None:
continue
if platform_path.is_dir():
# Sub foldered platforms get their own line
if not (platform_path / "__init__.py").is_file():
continue
codeowners[f"esphome/components/{name}/{platform_name}/*"].extend(
platform.codeowners
)
continue
# Non-subfoldered platforms add to codeowners at component level
if not platform_path.is_file() or platform_path.name == "__init__.py":
continue
codeowners[f"esphome/components/{name}/*"].extend(platform.codeowners)
for path, owners in sorted(codeowners.items()):
owners = sorted(set(owners))
if not owners:
continue
for owner in owners:
if not owner.startswith("@"):
print(
f"Codeowner {owner} for integration {path} must start with an '@' symbol!"
)
sys.exit(1)
parts.append(f"{path} {' '.join(owners)}")
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# End newline
parts.append("")
content = "\n".join(parts)
codeowners_file = root / "CODEOWNERS"
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if args.check:
if codeowners_file.read_text() != content:
print("CODEOWNERS file is not up to date.")
print("Please run `script/build_codeowners.py`")
sys.exit(1)
print("CODEOWNERS file is up to date")
else:
write_file_if_changed(codeowners_file, content)
print("Wrote CODEOWNERS")