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(define-module (language python exceptions)
#:use-module (oop pf-objects)
#:use-module (oop goops)
#:export (StopIteration GeneratorExit RuntimeError
Exception ValueError TypeError
IndexError KeyError AttributeError
SyntaxError SystemException
OSError ProcessLookupError PermissionError
None NotImplemented NotImplementedError
RunTimeError AssertionError))
(define-syntax-rule (aif it p x y) (let ((it p)) (if it x y)))
(define StopIteration 'StopIteration)
(define GeneratorExit 'GeneratorExit)
(define SystemException 'SystemException)
(define RuntimeError 'RuntimeError)
(define IndexError 'IndexError)
(define ValueError 'ValueError)
(define None 'None)
(define KeyError 'KeyError)
(define TypeError 'TypeError)
(define AttributeError 'AttributeError)
(define SyntaxError 'SyntaxError)
(define OSError 'OSError)
(define ProcessLookupError 'ProcessLookupError)
(define PermissionError 'PermissionError)
(define NotImplementedError 'NotImplementedError)
(define RunTimeError 'RunTimeError)
(define AssertionError 'AssertionError)
(define-python-class Exception ()
(define __init__
(case-lambda
((self)
(values))
((self val . l)
(set self 'value val))))
(define __repr__
(lambda (self)
(aif it (ref self 'value #f)
(format #f "~a:~a"
(ref self '__name__) it)
(format #f "~a"
(ref self '__name__))))))
(define NotImplemented (list 'NotImplemented))
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