python exception object code example

Example 1: python exception list

AssertionError			#Raised when assert statement fails.
AttributeError			#Raised when attribute assignment or reference fails.
EOFError				#Raised when the input() functions hits end-of-file condition.
FloatingPointError		#Raised when a floating point operation fails.
GeneratorExit			#Raise when a generator's close() method is called.
ImportError				#Raised when the imported module is not found.
IndexError				#Raised when index of a sequence is out of range.
KeyError				#Raised when a key is not found in a dictionary.
KeyboardInterrupt		#Raised when the user hits interrupt key (Ctrl+c or delete).
MemoryError				#Raised when an operation runs out of memory.
NameError				#Raised when a variable is not found in local or global scope.
NotImplementedError		#Raised by abstract methods.
OSError					#Raised when system operation causes system related error.
OverflowError			#Raised when result of an arithmetic operation is too large to be represented.
ReferenceError			#Raised when a weak reference proxy is used to access a garbage collected referent.
RuntimeError			#Raised when an error does not fall under any other category.
StopIteration			#Raised by next() function to indicate that there is no further item to be returned by iterator.
SyntaxError				#Raised by parser when syntax error is encountered.
IndentationError		#Raised when there is incorrect indentation.
TabError				#Raised when indentation consists of inconsistent tabs and spaces.
SystemError				#Raised when interpreter detects internal error.
SystemExit				#Raised by sys.exit() function.
TypeError				#Raised when a function or operation is applied to an object of incorrect type.
UnboundLocalError		#Raised when a reference is made to a local variable in a function or method, but no value has been bound to that variable.
UnicodeError			#Raised when a Unicode-related encoding or decoding error occurs.
UnicodeEncodeError		#Raised when a Unicode-related error occurs during encoding.
UnicodeDecodeError		#Raised when a Unicode-related error occurs during decoding.
UnicodeTranslateError	#Raised when a Unicode-related error occurs during translating.
ValueError				#Raised when a function gets argument of correct type but improper value.
ZeroDivisionError		#Raised when second operand of division or modulo operation is zero.

Example 2: raise python

# Raise is used to cause an error
raise(Exception("Put whatever you want here!"))
raise(TypeError)

Example 3: python exception

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

Example 4: exception variable properties python

>>> try:
...     raise Exception('spam', 'eggs')
... except Exception as inst:
...     print(type(inst))    # the exception instance
...     print(inst.args)     # arguments stored in .args
...     print(inst)          # __str__ allows args to be printed directly,
...                          # but may be overridden in exception subclasses
...     x, y = inst.args     # unpack args
...     print('x =', x)
...     print('y =', y)
...
<class 'Exception'>
('spam', 'eggs')
('spam', 'eggs')
x = spam
y = eggs