Question

I have 4 functions-1,2,3,4 in my python module, each function does a insert stmt and I want the subsequent function to be executed only if the prior function ended successfully..

How would I do this?

code.py

 def main():
      func1()
      func2()
      func3()
      func4()

 def func1():
     try:
        insert into table1
     catch:
        database.error as e

 def func2():
     try:
        insert into table2
     catch:
        database.error as e

Answer 1

If you want the subsequent functions to be executed only if the prior function ended successfully, then call them in sequence in one try .. catch block.

try:
  function1()
  function2()
  function3()
  function4()
except database.error as e:
  print 'Database error occured'

and don’t catch exceptions in the functions.