cython

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# cython: binding=True
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# mode: run
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# tag: cyfunction, qualname, pure3.5
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from __future__ import print_function
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import cython
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def test_qualname():
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    """
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    >>> test_qualname.__qualname__
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    'test_qualname'
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    >>> test_qualname.__qualname__ = 123 #doctest:+ELLIPSIS
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    Traceback (most recent call last):
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    TypeError: __qualname__ must be set to a ... object
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    >>> test_qualname.__qualname__ = 'foo'
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    >>> test_qualname.__qualname__
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    'foo'
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    """
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def test_builtin_qualname():
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    """
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    >>> test_builtin_qualname()
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    list.append
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    len
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    """
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    print([1, 2, 3].append.__qualname__)
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    print(len.__qualname__)
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def test_nested_qualname():
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    """
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    >>> outer, lambda_func, XYZ = test_nested_qualname()
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    defining class XYZ XYZ qualname
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    defining class Inner XYZ.Inner qualname
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    >>> outer_result = outer()
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    defining class Test test_nested_qualname.<locals>.outer.<locals>.Test qualname
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    >>> outer_result.__qualname__
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    'test_nested_qualname.<locals>.outer.<locals>.Test'
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    >>> outer_result.test.__qualname__
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    'test_nested_qualname.<locals>.outer.<locals>.Test.test'
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    >>> outer_result().test.__qualname__
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    'test_nested_qualname.<locals>.outer.<locals>.Test.test'
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    >>> outer_result_test_result = outer_result().test()
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    defining class XYZInner XYZinner qualname
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    >>> outer_result_test_result.__qualname__
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    'XYZinner'
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    >>> outer_result_test_result.Inner.__qualname__
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    'XYZinner.Inner'
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    >>> outer_result_test_result.Inner.inner.__qualname__
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    'XYZinner.Inner.inner'
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    >>> lambda_func.__qualname__
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    'test_nested_qualname.<locals>.<lambda>'
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    >>> XYZ.__qualname__
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    'XYZ'
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    >>> XYZ.Inner.__qualname__
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    'XYZ.Inner'
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    >>> XYZ.Inner.inner.__qualname__
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    'XYZ.Inner.inner'
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    """
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    def outer():
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        class Test(object):
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            print("defining class Test", __qualname__, __module__)
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            def test(self):
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                global XYZinner
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                class XYZinner:
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                    print("defining class XYZInner", __qualname__, __module__)
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                    class Inner:
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                        def inner(self):
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                            pass
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                return XYZinner
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        return Test
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    global XYZ
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    class XYZ(object):
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        print("defining class XYZ", __qualname__, __module__)
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        class Inner(object):
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            print("defining class Inner", __qualname__, __module__)
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            def inner(self):
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                pass
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    return outer, lambda:None, XYZ
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@cython.cclass
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class CdefClass:
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    """
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    >>> print(CdefClass.qn, CdefClass.m)
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    CdefClass qualname
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    >>> print(CdefClass.__qualname__, CdefClass.__module__)
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    CdefClass qualname
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    #>>> print(CdefClass.l["__qualname__"], CdefClass.l["__module__"])
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    #CdefClass qualname
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    """
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    qn = __qualname__
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    m = __module__
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    # TODO - locals and cdef classes is unreliable, irrespective of qualname
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    # l = locals().copy()
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# TODO - locals and cdef classes is unreliable, irrespective of qualname
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#@cython.cclass
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#class CdefOnlyLocals:
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#    """
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#    >>> print(CdefOnlyLocals.l["__qualname__"], CdefOnlyLocals.l["__module__"])
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#    CdefOnlyLocals qualname
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#    """
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#    l = locals().copy()
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@cython.cclass
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class CdefModifyNames:
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    """
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    >>> print(CdefModifyNames.qn_reassigned, CdefModifyNames.m_reassigned)
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    I'm not a qualname I'm not a module
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    # TODO - enable when https://github.com/cython/cython/issues/4815 is fixed
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    #>>> hasattr(CdefModifyNames, "qn_deleted")
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    #False
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    #>>> hasattr(CdefModifyNames, "m_deleted")
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    #False
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    #>>> print(CdefModifyNames.l["__qualname__"], CdefModifyNames.l["__module__"])
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    #I'm not a qualname I'm not a module
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    """
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    __qualname__ = "I'm not a qualname"
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    __module__ = "I'm not a module"
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    qn_reassigned = __qualname__
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    m_reassigned = __module__
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    # TODO - locals and cdef classes is unreliable, irrespective of qualname
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    #l = locals().copy()
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    # TODO del inside cdef class scope is broken
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    # https://github.com/cython/cython/issues/4815
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    #del __qualname__
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    #del __module__
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    #try:
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    #    qn_deleted = __qualname__
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    #except NameError:
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    #    pass
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    #try:
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    #    m_deleted = __module__
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    #except NameError:
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    #    pass
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