raise warning python code example

Example 1: ignore warnings python

import warnings
warnings.filterwarnings("ignore")

Example 2: python suppress warnings in function

import warnings

def fxn():
    warnings.warn("deprecated", DeprecationWarning)

with warnings.catch_warnings():
    warnings.simplefilter("ignore")
    fxn()

Example 3: python raise exception

# this raises a "NameError"

>>> raise NameError('HiThere')

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: HiThere

Example 4: python: raise error

class MyError(TypeError):
    pass

raise MyError('An error happened')