BaseException — Easy Examples

Root base class for all exceptions including KeyboardInterrupt and SystemExit

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Triggering BaseException

How BaseException is raised and how to catch it.

python
# Triggering and catching BaseException
try:
    raise BaseException("base exception")
except BaseException as e:
    print(f"Caught BaseException: {e}")
    print(f"Type: {type(e).__name__}")

BaseException is raised when root base class for all exceptions including keyboardinterrupt and systemexit. Always catch specific exceptions rather than bare except clauses.

Handling BaseException

Basic error handling pattern for BaseException.

python
# Safe handling pattern
def safe_operation():
    try:
        raise BaseException("base exception")
    except BaseException:
        print("Operation failed gracefully")
        return None

result = safe_operation()
print(f"Result: {result}")

Wrapping risky operations in try/except blocks prevents your program from crashing.

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