/usr/lib/imh-dnskeyapi/venv/lib/python3.13/site-packages/_pytest
Edit: /usr/lib/imh-dnskeyapi/venv/lib/python3.13/site-packages/_pytest/threadexception.py (3005B)
from __future__ import annotations
import threading
import traceback
from types import TracebackType
from typing import Any
from typing import Callable
from typing import Generator
from typing import TYPE_CHECKING
import warnings
import pytest
if TYPE_CHECKING:
from typing_extensions import Self
# Copied from cpython/Lib/test/support/threading_helper.py, with modifications.
class catch_threading_exception:
"""Context manager catching threading.Thread exception using
threading.excepthook.
Storing exc_value using a custom hook can create a reference cycle. The
reference cycle is broken explicitly when the context manager exits.
Storing thread using a custom hook can resurrect it if it is set to an
object which is being finalized. Exiting the context manager clears the
stored object.
Usage:
with threading_helper.catch_threading_exception() as cm:
# code spawning a thread which raises an exception
...
# check the thread exception: use cm.args
...
# cm.args attribute no longer exists at this point
# (to break a reference cycle)
"""
def __init__(self) -> None:
self.args: threading.ExceptHookArgs | None = None
self._old_hook: Callable[[threading.ExceptHookArgs], Any] | None = None
def _hook(self, args: threading.ExceptHookArgs) -> None:
self.args = args
def __enter__(self) -> Self:
self._old_hook = threading.excepthook
threading.excepthook = self._hook
return self
def __exit__(
self,
exc_type: type[BaseException] | None,
exc_val: BaseException | None,
exc_tb: TracebackType | None,
) -> None:
assert self._old_hook is not None
threading.excepthook = self._old_hook
self._old_hook = None
del self.args
def thread_exception_runtest_hook() -> Generator[None]:
with catch_threading_exception() as cm:
try:
yield
finally:
if cm.args:
thread_name = (
"
" if cm.args.thread is None else cm.args.thread.name
)
msg = f"Exception in thread {thread_name}\n\n"
msg += "".join(
traceback.format_exception(
cm.args.exc_type,
cm.args.exc_value,
cm.args.exc_traceback,
)
)
warnings.warn(pytest.PytestUnhandledThreadExceptionWarning(msg))
@pytest.hookimpl(wrapper=True, trylast=True)
def pytest_runtest_setup() -> Generator[None]:
yield from thread_exception_runtest_hook()
@pytest.hookimpl(wrapper=True, tryfirst=True)
def pytest_runtest_call() -> Generator[None]:
yield from thread_exception_runtest_hook()
@pytest.hookimpl(wrapper=True, tryfirst=True)
def pytest_runtest_teardown() -> Generator[None]:
yield from thread_exception_runtest_hook()