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Python faulthandler Module

❮ Standard Library Modules

Example

Import faulthandler and confirm it is available (no crashes triggered):

import faulthandler

print("faulthandler") Try it Yourself »

Definition and Usage

The faulthandler module dumps Python tracebacks explicitly, on a crash, or on a timeout.

Use it to debug hard faults or deadlocks by printing the stacks of all threads.

Members

Member Description
disable()Disable fault handlers.
dump_traceback()Dump the traceback of the current thread.
dump_traceback_later()Dump tracebacks after a timeout in a background thread.
enable()Enable fault handlers.
cancel_dump_traceback_later()Cancel a pending dump started with dump_traceback_later().
is_enabled()Return whether faulthandler is enabled.

❮ Standard Library Modules

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