Python exception

try:
  # code block
except ValueError as ve:
  print(ve)

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 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 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

Python: raise error

class MyError(TypeError):
    pass

raise MyError('An error happened')

-2

Source: docs.python.org

Similar codes

0 vote138 views1 answer
Character limit python system
Python
1 vote141 views1 answer
Python teilen ohne rest
Python
2 votes142 views2 answers
Python primera letra mayuscula
Python
12 votes145 views2 answers
Python tkinter window fullscreen
Python
0 vote123 views1 answer
Annot identify image file '/home/ellis/CB/Django-Ecommerce/media_root/default.jpg'
Python
0 vote136 views1 answer
Print e
Python
1 vote181 views1 answer
Flask api response code
Python Flask
1 vote134 views1 answer
Who is rishi smaran = "RISHI SMARAN IS A 12 YEAR OLD NAUGHTY KID WHO CREATED ME"
Python
0 vote135 views1 answer
Python get desktop environment
Python
-1 vote160 views1 answer
Django model UUID field
Python