# mode: run

# __getattribute__ and __getattr__ special methods for a single class.

cdef class just_getattribute:

    """

    >>> a = just_getattribute()

    >>> a.called

    1

    >>> a.called

    2

    >>> a.bar

    'bar'

    >>> a.called

    4

    >>> a.invalid

    Traceback (most recent call last):

    AttributeError

    >>> a.called

    6

    """

    cdef readonly int called

    def __getattribute__(self,n):

        self.called += 1

        if n == 'bar':

            return n

        elif n == 'called':

            return self.called

        else:

            raise AttributeError

cdef class just_getattr:

    """

    >>> a = just_getattr()

    >>> a.called

    0

    >>> a.called

    0

    >>> a.foo

    10

    >>> a.called

    0

    >>> a.bar

    'bar'

    >>> a.called

    1

    >>> a.invalid

    Traceback (most recent call last):

    AttributeError

    >>> a.called

    2

    """

    cdef readonly int called

    cdef readonly int foo

    def __init__(self):

        self.foo = 10

    def __getattr__(self,n):

        self.called += 1

        if n == 'bar':

            return n

        else:

            raise AttributeError

cdef class both:

    """

    >>> a = both()

    >>> (a.called_getattr, a.called_getattribute)

    (0, 2)

    >>> a.foo

    10

    >>> (a.called_getattr, a.called_getattribute)

    (0, 5)

    >>> a.bar

    'bar'

    >>> (a.called_getattr, a.called_getattribute)

    (1, 8)

    >>> a.invalid

    Traceback (most recent call last):

    AttributeError

    >>> (a.called_getattr, a.called_getattribute)

    (2, 11)

    """

    cdef readonly int called_getattribute

    cdef readonly int called_getattr

    cdef readonly int foo

    def __init__(self):

        self.foo = 10

    def __getattribute__(self,n):

        self.called_getattribute += 1

        if n == 'foo':

            return self.foo

        elif n == 'called_getattribute':

            return self.called_getattribute

        elif n == 'called_getattr':

            return self.called_getattr

        else:

            raise AttributeError

    def __getattr__(self,n):

        self.called_getattr += 1

        if n == 'bar':

            return n

        else:

            raise AttributeError