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|
import argparse
import concurrent.futures
import json
import logging
import os
import re
import subprocess
import time
from enum import Enum
from typing import List, NamedTuple, Optional, Pattern
LINTER_CODE = "ACTIONLINT"
class LintSeverity(str, Enum):
ERROR = "error"
WARNING = "warning"
ADVICE = "advice"
DISABLED = "disabled"
class LintMessage(NamedTuple):
path: Optional[str]
line: Optional[int]
char: Optional[int]
code: str
severity: LintSeverity
name: str
original: Optional[str]
replacement: Optional[str]
description: Optional[str]
RESULTS_RE: Pattern[str] = re.compile(
r"""(?mx)
^
(?P<file>.*?):
(?P<line>\d+):
(?P<char>\d+):
\s(?P<message>.*)
\s(?P<code>\[.*\])
$
"""
)
def run_command(
args: List[str],
) -> "subprocess.CompletedProcess[bytes]":
logging.debug("$ %s", " ".join(args))
start_time = time.monotonic()
try:
return subprocess.run(
args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
finally:
end_time = time.monotonic()
logging.debug("took %dms", (end_time - start_time) * 1000)
def check_file(
binary: str,
file: str,
) -> List[LintMessage]:
try:
proc = run_command([binary, file])
except OSError as err:
return [
LintMessage(
path=None,
line=None,
char=None,
code=LINTER_CODE,
severity=LintSeverity.ERROR,
name="command-failed",
original=None,
replacement=None,
description=(f"Failed due to {err.__class__.__name__}:\n{err}"),
)
]
stdout = str(proc.stdout, "utf-8").strip()
return [
LintMessage(
path=match["file"],
name=match["code"],
description=match["message"],
line=int(match["line"]),
char=int(match["char"]),
code=LINTER_CODE,
severity=LintSeverity.ERROR,
original=None,
replacement=None,
)
for match in RESULTS_RE.finditer(stdout)
]
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="actionlint runner",
fromfile_prefix_chars="@",
)
parser.add_argument(
"--binary",
required=True,
help="actionlint binary path",
)
parser.add_argument(
"filenames",
nargs="+",
help="paths to lint",
)
args = parser.parse_args()
if not os.path.exists(args.binary):
err_msg = LintMessage(
path="<none>",
line=None,
char=None,
code=LINTER_CODE,
severity=LintSeverity.ERROR,
name="command-failed",
original=None,
replacement=None,
description=(
f"Could not find actionlint binary at {args.binary},"
" you may need to run `lintrunner init`."
),
)
print(json.dumps(err_msg._asdict()), flush=True)
exit(0)
with concurrent.futures.ThreadPoolExecutor(
max_workers=os.cpu_count(),
thread_name_prefix="Thread",
) as executor:
futures = {
executor.submit(
check_file,
args.binary,
filename,
): filename
for filename in args.filenames
}
for future in concurrent.futures.as_completed(futures):
try:
for lint_message in future.result():
print(json.dumps(lint_message._asdict()), flush=True)
except Exception:
logging.critical('Failed at "%s".', futures[future])
raise
|
