EXCEPTION NAME | DESCRIPTION |
Exception | Base class for all exceptions |
StopIteration | Raised when the next() method of an iterator does not point to any object. |
SystemExit | Raised by the sys.exit() function. |
StandardError | Base class for all built-in exceptions except StopIteration and SystemExit. |
ArithmeticError | Base class for all errors that occur for numeric calculation. |
OverflowError | Raised when a calculation exceeds maximum limit for a numeric type. |
FloatingPointError | Raised when a floating point calculation fails. |
ZeroDivisonError | Raised when division or modulo by zero takes place for all numeric types. |
AssertionError | Raised in case of failure of the Assert statement. |
AttributeError | Raised in case of failure of attribute reference or assignment. |
EOFError | Raised when there is no input from either the raw_input() or input() function and the end of file is reached. |
ImportError | Raised when an import statement fails. |
KeyboardInterrupt | Raised when the user interrupts program execution, usually by pressing Ctrl+c. |
LookupError | Base class for all lookup errors. |
IndexError | Raised when an index is not found in a sequence. |
KeyError | Raised when the specified key is not found in the dictionary. |
NameError | Raised when an identifier is not found in the local or global namespace. |
UnboundLocalError | Raised when trying to access a local variable in a function or method but no value has been assigned to it. |
EnvironmentError | Base class for all exceptions that occur outside the Python environment. |
IOError | Raised when an input/ output operation fails, such as the print statement or the open() function when trying to open a file that does
not exist. |
OSError | Raised for operating systemrelated errors. |
SyntaxError | Raised when there is an error in Python syntax. |
IndentationError | Raised when indentation is not specified properly. |
SystemError | Raised when the interpreter finds an internal problem, but when this error is encountered the Python interpreter does not exit. |
SystemExit | Raised when Python interpreter is quit by using the sys.exit() function. If not handled in the code, causes the interpreter to exit. |
TypeError | Raised when an operation or function is attempted that is invalid for the specified data type. |
ValueError | Raised when the built-in function for a data type has the valid type of arguments, but the arguments have invalid values specified. |
RuntimeError | Raised when a generated error does not fall into any category. |
NotImplementedError | Raised when an abstract method that needs to be implemented in an inherited class is not actually implemented. |