mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Giacomo Vercesi
9ee719f2c2
Add the missing `kwargs` to the invocation of the wrapped `func` in `suppress_brokenpipe`.
100 lines
2.8 KiB
Python
100 lines
2.8 KiB
Python
#
|
|
# This file is distributed under the MIT License. See LICENSE.md for details.
|
|
#
|
|
|
|
import re
|
|
import sys
|
|
from contextlib import suppress
|
|
from typing import Any, Callable, Dict, List, Optional, ParamSpec, TypeVar, Union
|
|
|
|
import yaml
|
|
|
|
from ...support import extract_tar, is_tar
|
|
|
|
|
|
def log(msg: str):
|
|
sys.stderr.write(f"{msg}\n")
|
|
|
|
|
|
def yaml_load(content: str) -> Dict[str, Any]:
|
|
loader = getattr(yaml, "CSafeLoader", yaml.SafeLoader)
|
|
return yaml.load(content, loader)
|
|
|
|
|
|
def yaml_dump(obj: Any) -> str:
|
|
dumper = getattr(yaml, "CDumper", yaml.Dumper)
|
|
return yaml.dump(obj, Dumper=dumper)
|
|
|
|
|
|
def normalize_filter_extract(filters: List[str], extract: Optional[str]) -> Union[str, List[str]]:
|
|
if extract is not None:
|
|
return extract
|
|
if len(filters) == 0:
|
|
return []
|
|
return ",".join(filters).split(",")
|
|
|
|
|
|
def is_ptml(content: str) -> bool:
|
|
return bool(re.match(r"\s*<", content))
|
|
|
|
|
|
def handle_multiple(
|
|
input_: Dict[str, str],
|
|
func_one: Callable[[str], Optional[int]],
|
|
func_many: Callable[[Dict[str, str]], Optional[int]],
|
|
filters: Union[str, List[str]],
|
|
):
|
|
if isinstance(filters, str):
|
|
if filters in input_:
|
|
return func_one(input_[filters])
|
|
else:
|
|
return func_one("")
|
|
else:
|
|
filtered_input = {
|
|
key: value for key, value in input_.items() if len(filters) == 0 or key in filters
|
|
}
|
|
return func_many(filtered_input)
|
|
|
|
|
|
def handle_file(
|
|
raw: bytes,
|
|
func_one: Callable[[str], Optional[int]],
|
|
func_many: Callable[[Dict[str, str]], Optional[int]],
|
|
filters: Union[str, List[str]],
|
|
) -> Optional[int]:
|
|
if is_tar(raw):
|
|
return handle_multiple(extract_tar(raw), func_one, func_many, filters)
|
|
|
|
raw_string = raw.decode("utf-8")
|
|
if is_ptml(raw_string):
|
|
if len(filters) > 0:
|
|
log("Cannot extract/filter a plain ptml file")
|
|
return 1
|
|
return func_one(raw_string)
|
|
else:
|
|
parsed_yaml = yaml_load(raw_string)
|
|
if parsed_yaml is None:
|
|
return 0
|
|
return handle_multiple(parsed_yaml, func_one, func_many, filters)
|
|
|
|
|
|
T = TypeVar("T")
|
|
P = ParamSpec("P")
|
|
|
|
|
|
def suppress_brokenpipe(func: Callable[P, T], *args: P.args, **kwargs: P.kwargs) -> Optional[T]:
|
|
"""When running a program with a pipe, BrokenPipeError might be raised. This signals that the
|
|
output pipe was closed, which we expect. Suppressing the exception is not enough since it can
|
|
also happen at shutdown, which will trigger python's unraisable hook, to remedy this we
|
|
overwrite the default hook to ignore BrokenPipeError."""
|
|
|
|
def new_unraisablehook(arg):
|
|
if arg.exc_type != BrokenPipeError:
|
|
sys.__unraisablehook__(arg)
|
|
|
|
sys.unraisablehook = new_unraisablehook
|
|
|
|
with suppress(BrokenPipeError):
|
|
return func(*args, **kwargs)
|
|
return None
|