Python raise exception

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

Throw error in python

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

Source: stackoverflow.com

Catch error data with except python

import sys
try:
	S = 1/0 #Create Error
except: # catch *all* exceptions
    e = sys.exc_info()
    print(e) # (Exception Type, Exception Value, TraceBack)

############
#    OR    #
############
try:
	S = 1/0
except ZeroDivisionError as e:
    print(e) # ZeroDivisionError('division by zero')

Python raise TypeError

def prefill(n,v):
    try:
        n = int(n)
    except ValueError:
        raise TypeError("{0} is invalid".format(n))
    else:
        return [v] * n

Source: stackoverflow.com

Python file open try except error

def FileCheck(fn):
    try:
      open(fn, "r")
      return 1
    except IOError:
      print "Error: File does not appear to exist."
      return 0

result = FileCheck("testfile")
print result

Source: stackoverflow.com

Similar codes

0 vote153 views2 answers
Np array to tuple
Python
0 vote161 views1 answer
Pil image resize not working
Python
0 vote173 views1 answer
Remove 0 from date in python
Python
0 vote220 views1 answer
Get ip address in django
Python Django
0 vote172 views1 answer
Convert multidimentional numpy array to string and back
Python
0 vote157 views1 answer
Alternatives for appending to numpy array
Python
0 vote166 views2 answers
Set cookie in python requests
Python
8 votes168 views3 answers
Float python precision
Python
1 vote173 views1 answer
Calculate pointbiseral correlation scipy
Python
7 votes161 views1 answer
Create text channel discord.py
Python