Amaury Forgeot d'Arc avatar Amaury Forgeot d'Arc committed 6cc0977

cpyext: add PyCode_Check(), PyCode_GetNumFree()

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Files changed (3)


 from pypy.rpython.lltypesystem import rffi, lltype
 from pypy.module.cpyext.api import (
-    PyObjectFields, generic_cpy_call, CONST_STRING,
+    PyObjectFields, generic_cpy_call, CONST_STRING, CANNOT_FAIL,
     cpython_api, bootstrap_function, cpython_struct, build_type_checkers)
 from pypy.module.cpyext.pyobject import (
     PyObject, make_ref, from_ref, Py_DecRef, make_typedescr, borrow_from)
 PyFunction_Check, PyFunction_CheckExact = build_type_checkers("Function", Function)
 PyMethod_Check, PyMethod_CheckExact = build_type_checkers("Method", Method)
+PyCode_Check, PyCode_CheckExact = build_type_checkers("Code", PyCode)
 def function_attach(space, py_obj, w_obj):
     py_func = rffi.cast(PyFunctionObject, py_obj)
+@cpython_api([PyObject], rffi.INT_real, error=CANNOT_FAIL)
+def PyCode_GetNumFree(space, w_co):
+    """Return the number of free variables in co."""
+    co = space.interp_w(PyCode, w_co)
+    return len(co.co_freevars)


     used as the positional and keyword parameters to the object's constructor."""
     raise NotImplementedError
-@cpython_api([PyObject], rffi.INT_real, error=CANNOT_FAIL)
-def PyCode_Check(space, co):
-    """Return true if co is a code object"""
-    raise NotImplementedError
-@cpython_api([PyObject], rffi.INT_real, error=CANNOT_FAIL)
-def PyCode_GetNumFree(space, co):
-    """Return the number of free variables in co."""
-    raise NotImplementedError
 @cpython_api([PyObject], rffi.INT_real, error=-1)
 def PyCodec_Register(space, search_function):
     """Register a new codec search function.


+    def test_getnumfree(self, space, api):
+        w_function = space.appexec([], """():
+            a = 5
+            def method(x): return a, x
+            return method
+        """)
+        assert api.PyCode_GetNumFree(w_function.code) == 1
     def test_classmethod(self, space, api):
         w_function = space.appexec([], """():
             def method(x): return x
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