Python: Catching and throwing exceptions

Catching_exceptions.py

# --- catch:

try:
    generateSomeException()
except Exception, e: # Mother of all exceptions
    print e

# --- throw:

try:
    raise Exception, "Something is rotten in the state of Denmark"
except e:
    print e
    

# or, more succintly

if not True: raise Exception, "This is my customised error message."