from __future__ import annotations import warnings import traceback from types import TracebackType from typing import Callable, Type from . import check_log from .check_log import log_failure _stop_on_fail = False # This class has grown into much more than just a context manager. # it's really the interface into the system. # TODO: maybe rename it # TODO: maybe pull in extra functionality here instead of in plugin.py class CheckContextManager: def __init__(self) -> None: self.msg: object = None def __enter__(self) -> "CheckContextManager": return self def __exit__( self, exc_type: Type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None, ) -> bool | None: __tracebackhide__ = True if exc_type is not None and issubclass(exc_type, AssertionError): if _stop_on_fail: self.msg = None return None else: fmt_tb = traceback.format_exception(exc_type, exc_val, exc_tb) if self.msg is not None: log_failure(f"{exc_val}, {self.msg}", tb=fmt_tb) else: log_failure(exc_val, tb=fmt_tb) self.msg = None return True self.msg = None return None def __call__(self, msg: object = None) -> "CheckContextManager": self.msg = msg return self def set_no_tb(self) -> None: warnings.warn( "set_no_tb() is deprecated; use set_max_tb(0)", DeprecationWarning ) check_log._max_tb = 0 def set_max_fail(self, x: int) -> None: check_log._max_fail = x def set_max_report(self, x: int) -> None: check_log._max_report = x def set_max_tb(self, x: int) -> None: check_log._max_tb = x def call_on_fail(self, func: Callable[[str], None]) -> None: """Experimental feature - may change with any release""" check_log._fail_function = func check = CheckContextManager()