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Next: 4.2 Deprecation of String Up: 4. Exception Handling Previous: 4. Exception Handling

4.1 Standard Exceptions

All standard Python exceptions are available as global variables whose names are "PyExc_" followed by the Python exception name. These have the type PyObject*; they are all class objects. For completeness, here are all the variables:

C Name	Python Name	Notes	PyExc_Exception	`Exception`	(1)
PyExc_StandardError	`StandardError`	(1)
PyExc_ArithmeticError	`ArithmeticError`	(1)
PyExc_LookupError	`LookupError`	(1)
PyExc_AssertionError	`AssertionError`
PyExc_AttributeError	`AttributeError`
PyExc_EOFError	`EOFError`
PyExc_EnvironmentError	`EnvironmentError`	(1)
PyExc_FloatingPointError	`FloatingPointError`
PyExc_IOError	`IOError`
PyExc_ImportError	`ImportError`
PyExc_IndexError	`IndexError`
PyExc_KeyError	`KeyError`
PyExc_KeyboardInterrupt	`KeyboardInterrupt`
PyExc_MemoryError	`MemoryError`
PyExc_NameError	`NameError`
PyExc_NotImplementedError	`NotImplementedError`
PyExc_OSError	`OSError`
PyExc_OverflowError	`OverflowError`
PyExc_RuntimeError	`RuntimeError`
PyExc_SyntaxError	`SyntaxError`
PyExc_SystemError	`SystemError`
PyExc_SystemExit	`SystemExit`
PyExc_TypeError	`TypeError`
PyExc_ValueError	`ValueError`
PyExc_ZeroDivisionError	`ZeroDivisionError`

Note:

(1): This is a base class for other standard exceptions. If the -X interpreter option is used, these will be tuples containing the string exceptions which would have otherwise been subclasses.