Reflection
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PyObject* PyEval_GetBuiltins()
    *Return value: Borrowed reference.*

   Return a dictionary of the builtins in the current execution frame,
   or the interpreter of the thread state if no frame is currently
   executing.

PyObject* PyEval_GetLocals()
    *Return value: Borrowed reference.*

   Return a dictionary of the local variables in the current execution
   frame, or *NULL* if no frame is currently executing.

PyObject* PyEval_GetGlobals()
    *Return value: Borrowed reference.*

   Return a dictionary of the global variables in the current
   execution frame, or *NULL* if no frame is currently executing.

PyFrameObject* PyEval_GetFrame()
    *Return value: Borrowed reference.*

   Return the current thread state’s frame, which is *NULL* if no
   frame is currently executing.

int PyFrame_GetLineNumber(PyFrameObject *frame)

   Return the line number that *frame* is currently executing.

int PyEval_GetRestricted()

   If there is a current frame and it is executing in restricted mode,
   return true, otherwise false.

const char* PyEval_GetFuncName(PyObject *func)

   Return the name of *func* if it is a function, class or instance
   object, else the name of *func*s type.

const char* PyEval_GetFuncDesc(PyObject *func)

   Return a description string, depending on the type of *func*.
   Return values include 「()」 for functions and methods, 」
   constructor」, 」 instance」, and 」 object」.  Concatenated with
   the result of "PyEval_GetFuncName()", the result will be a
   description of *func*.
