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opt
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cloudlinux
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venv
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lib64
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python3.11
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site-packages
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_pytest
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Filename :
faulthandler.py
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import io import os import sys from typing import Generator import pytest from _pytest.config import Config from _pytest.config.argparsing import Parser from _pytest.nodes import Item from _pytest.stash import StashKey fault_handler_stderr_fd_key = StashKey[int]() fault_handler_originally_enabled_key = StashKey[bool]() def pytest_addoption(parser: Parser) -> None: help = ( "Dump the traceback of all threads if a test takes " "more than TIMEOUT seconds to finish" ) parser.addini("faulthandler_timeout", help, default=0.0) def pytest_configure(config: Config) -> None: import faulthandler config.stash[fault_handler_stderr_fd_key] = os.dup(get_stderr_fileno()) config.stash[fault_handler_originally_enabled_key] = faulthandler.is_enabled() faulthandler.enable(file=config.stash[fault_handler_stderr_fd_key]) def pytest_unconfigure(config: Config) -> None: import faulthandler faulthandler.disable() # Close the dup file installed during pytest_configure. if fault_handler_stderr_fd_key in config.stash: os.close(config.stash[fault_handler_stderr_fd_key]) del config.stash[fault_handler_stderr_fd_key] if config.stash.get(fault_handler_originally_enabled_key, False): # Re-enable the faulthandler if it was originally enabled. faulthandler.enable(file=get_stderr_fileno()) def get_stderr_fileno() -> int: try: fileno = sys.stderr.fileno() # The Twisted Logger will return an invalid file descriptor since it is not backed # by an FD. So, let's also forward this to the same code path as with pytest-xdist. if fileno == -1: raise AttributeError() return fileno except (AttributeError, io.UnsupportedOperation): # pytest-xdist monkeypatches sys.stderr with an object that is not an actual file. # https://docs.python.org/3/library/faulthandler.html#issue-with-file-descriptors # This is potentially dangerous, but the best we can do. return sys.__stderr__.fileno() def get_timeout_config_value(config: Config) -> float: return float(config.getini("faulthandler_timeout") or 0.0) @pytest.hookimpl(hookwrapper=True, trylast=True) def pytest_runtest_protocol(item: Item) -> Generator[None, None, None]: timeout = get_timeout_config_value(item.config) if timeout > 0: import faulthandler stderr = item.config.stash[fault_handler_stderr_fd_key] faulthandler.dump_traceback_later(timeout, file=stderr) try: yield finally: faulthandler.cancel_dump_traceback_later() else: yield @pytest.hookimpl(tryfirst=True) def pytest_enter_pdb() -> None: """Cancel any traceback dumping due to timeout before entering pdb.""" import faulthandler faulthandler.cancel_dump_traceback_later() @pytest.hookimpl(tryfirst=True) def pytest_exception_interact() -> None: """Cancel any traceback dumping due to an interactive exception being raised.""" import faulthandler faulthandler.cancel_dump_traceback_later()