Throw error in python

Except as Exception:

>>> def catch():
...     try:
...         asd()
...     except Exception as e:
...         print e.message, e.args
... 
>>> catch()
global name 'asd' is not defined ("global name 'asd' is not defined",)

Source: stackoverflow.com

Python raise exception

	# this raises a "NameError"

>>> raise NameError('HiThere')

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

Source: docs.python.org

Catch error python

import traceback

dict = {'a':3,'b':5,'c':8}
try:
  print(dict[q])
 
except:
  traceback.print_exc()
  
# This will trace you back to the line where everything went wrong. 
# So in this case you will get back line 5

Throw error in python

#Best practive: raise statement	
raise ValueError('A very specific bad thing happened')

Source: stackoverflow.com

Python: raise error

class MyError(TypeError):
    pass

raise MyError('An error happened')

-2

Source: docs.python.org

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