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"""Utilities for loading various files."""
from __future__ import annotations
import logging
import os
from collections import defaultdict
from functools import partial
from pathlib import Path
from typing import Any
import yaml
from yaml import YAMLError
try:
from yaml import CFullLoader as FullLoader
from yaml import CSafeLoader as SafeLoader
except (ImportError, AttributeError):
from yaml import FullLoader, SafeLoader # type: ignore
IGNORE_TXT = ".ansible-lint-ignore"
yaml_load = partial(yaml.load, Loader=FullLoader)
yaml_load_safe = partial(yaml.load, Loader=SafeLoader)
_logger = logging.getLogger(__name__)
def yaml_from_file(filepath: str | Path) -> Any:
"""Return a loaded YAML file."""
with open(str(filepath), encoding="utf-8") as content:
return yaml_load(content)
def load_ignore_txt(filepath: str | Path = IGNORE_TXT) -> dict[str, set[str]]:
"""Return a list of rules to ignore."""
result = defaultdict(set)
if os.path.isfile(filepath):
with open(str(filepath), encoding="utf-8") as content:
_logger.debug("Loading ignores from %s", filepath)
for line in content:
entry = line.split("#")[0].rstrip()
if entry:
try:
path, rule = entry.split()
except ValueError as exc:
raise RuntimeError(
f"Unable to parse line '{line}' from {filepath} file."
) from exc
result[path].add(rule)
return result
__all__ = [
"load_ignore_txt",
"yaml_from_file",
"yaml_load",
"yaml_load_safe",
"YAMLError",
]
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