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How to catch NotImplementedError Exception in Python?
User-defined base classes can raise NotImplementedError to indicate that a method or behavior needs to be defined by a subclass, simulating an interface. This exception is derived from RuntimeError. In user defined base classes, abstract methods should raise this exception when they require derived classes to override the method.
Example
import sys
try:
class Super(object):
@property
def example(self):
raise NotImplementedError("Subclasses should implement this!")
s = Super()
print s.example
except Exception as e:
print e
print sys.exc_typeOutput
Subclasses should implement this! <type 'exceptions.NotImplementedError'>
Updated on: 12-Feb-2020
1K+ Views
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