How can I handle exceptions using context managers in Python?
You can handle exceptions using context managers by defining a custom context manager with the __enter__
and __exit__
methods.
Can you show me a simple example of that?
Sure! Here's a basic example:
class ExceptionHandler:
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
if exc_type:
print(f'An error occurred: {exc_value}')
return True # Suppresses the exception
with ExceptionHandler():
# Code that may raise an exception
x = 1 / 0 # This will raise a ZeroDivisionError
What happens if I return False in the exit method?
If you return False in the __exit__
method, the exception will not be suppressed, and it will propagate up the call stack.
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