[3.8] bpo-37526: Add support.catch_threading_exception() (GH-14664) by miss-islington · Pull Request #14666 · python/cpython
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@@ -3157,3 +3157,60 @@ def __enter__(self):
def __exit__(self, *exc_info):
sys.unraisablehook = self._old_hook
del self.unraisable
class catch_threading_exception: """ Context manager catching threading.Thread exception using threading.excepthook.
Attributes set when an exception is catched:
* exc_type * exc_value * exc_traceback * thread
See threading.excepthook() documentation for these attributes.
These attributes are deleted at the context manager exit.
Usage:
with support.catch_threading_exception() as cm: # code spawning a thread which raises an exception ...
# check the thread exception, use cm attributes: # exc_type, exc_value, exc_traceback, thread ...
# exc_type, exc_value, exc_traceback, thread attributes of cm no longer # exists at this point # (to avoid reference cycles) """
def __init__(self): self.exc_type = None self.exc_value = None self.exc_traceback = None self.thread = None self._old_hook = None
def _hook(self, args): self.exc_type = args.exc_type self.exc_value = args.exc_value self.exc_traceback = args.exc_traceback self.thread = args.thread
def __enter__(self): self._old_hook = threading.excepthook threading.excepthook = self._hook return self
def __exit__(self, *exc_info): threading.excepthook = self._old_hook del self.exc_type del self.exc_value del self.exc_traceback del self.thread
class catch_threading_exception: """ Context manager catching threading.Thread exception using threading.excepthook.
Attributes set when an exception is catched:
* exc_type * exc_value * exc_traceback * thread
See threading.excepthook() documentation for these attributes.
These attributes are deleted at the context manager exit.
Usage:
with support.catch_threading_exception() as cm: # code spawning a thread which raises an exception ...
# check the thread exception, use cm attributes: # exc_type, exc_value, exc_traceback, thread ...
# exc_type, exc_value, exc_traceback, thread attributes of cm no longer # exists at this point # (to avoid reference cycles) """
def __init__(self): self.exc_type = None self.exc_value = None self.exc_traceback = None self.thread = None self._old_hook = None
def _hook(self, args): self.exc_type = args.exc_type self.exc_value = args.exc_value self.exc_traceback = args.exc_traceback self.thread = args.thread
def __enter__(self): self._old_hook = threading.excepthook threading.excepthook = self._hook return self
def __exit__(self, *exc_info): threading.excepthook = self._old_hook del self.exc_type del self.exc_value del self.exc_traceback del self.thread