TimeoutError — Intermediate Examples

Raised when a system function times out

EasyIntermediateAdvancedExpert

Exception chaining with TimeoutError

Using 'raise from' to chain TimeoutError with other exceptions.

python
# Exception chaining
class ApplicationError(Exception):
    pass

try:
    try:
        raise TimeoutError("operation timed out")
    except TimeoutError as original:
        raise ApplicationError("Operation failed") from original
except ApplicationError as e:
    print(f"App error: {e}")
    print(f"Caused by: {e.__cause__}")

Exception chaining preserves the original error context, making debugging easier.

TimeoutError in context managers

Handling TimeoutError within context managers.

python
# Using context managers with exception handling
class SafeOperation:
    def __enter__(self):
        print("Starting operation")
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        if exc_type is TimeoutError:
            print(f"Handled {exc_type.__name__}: {exc_val}")
            return True  # Suppress the exception
        return False

with SafeOperation():
    raise TimeoutError("operation timed out")
print("Continued after handled exception")

Context managers can catch and handle exceptions in their __exit__ method.

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