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"""
EXEC: Ensure that source files are not executable.
"""
from __future__ import annotations
import argparse
import json
import logging
import os
import sys
from enum import Enum
from typing import NamedTuple
LINTER_CODE = "EXEC"
class LintSeverity(str, Enum):
ERROR = "error"
WARNING = "warning"
ADVICE = "advice"
DISABLED = "disabled"
class LintMessage(NamedTuple):
path: str | None
line: int | None
char: int | None
code: str
severity: LintSeverity
name: str
original: str | None
replacement: str | None
description: str | None
def check_file(filename: str) -> LintMessage | None:
is_executable = os.access(filename, os.X_OK)
if is_executable:
return LintMessage(
path=filename,
line=None,
char=None,
code=LINTER_CODE,
severity=LintSeverity.ERROR,
name="executable-permissions",
original=None,
replacement=None,
description="This file has executable permission; please remove it by using `chmod -x`.",
)
return None
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="exec linter",
fromfile_prefix_chars="@",
)
parser.add_argument(
"--verbose",
action="store_true",
)
parser.add_argument(
"filenames",
nargs="+",
help="paths to lint",
)
args = parser.parse_args()
logging.basicConfig(
format="<%(threadName)s:%(levelname)s> %(message)s",
level=logging.NOTSET
if args.verbose
else logging.DEBUG
if len(args.filenames) < 1000
else logging.INFO,
stream=sys.stderr,
)
lint_messages = []
for filename in args.filenames:
lint_message = check_file(filename)
if lint_message is not None:
lint_messages.append(lint_message)
for lint_message in lint_messages:
print(json.dumps(lint_message._asdict()), flush=True)
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