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from cython.cimports.cpython.ref import PyObject
def main():
python_string = "foo"
# Note that the variables below are automatically inferred
# as the correct pointer type that is assigned to them.
# They do not need to be typed explicitly.
ptr = cython.cast(cython.p_void, python_string)
adress_in_c = cython.cast(Py_intptr_t, ptr)
address_from_void = adress_in_c # address_from_void is a python int
ptr2 = cython.cast(cython.pointer(PyObject), python_string)
address_in_c2 = cython.cast(Py_intptr_t, ptr2)
address_from_PyObject = address_in_c2 # address_from_PyObject is a python int
assert address_from_void == address_from_PyObject == id(python_string)
print(cython.cast(object, ptr)) # Prints "foo"
print(cython.cast(object, ptr2)) # prints "foo"
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