Code Objects
Code objects are a low-level detail of the CPython implementation.
Each one represents a chunk of executable code that hasn’t yet been
bound into a function.
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PyCodeObject
The C structure of the objects used to describe code objects. The
fields of this type are subject to change at any time.
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PyTypeObject PyCode_Type
This is an instance of PyTypeObject representing the Python
code type.
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int PyCode_Check(PyObject *co)
Return true if co is a code object
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int PyCode_GetNumFree(PyObject *co)
Return the number of free variables in co.
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PyCodeObject *PyCode_New(int argcount, int nlocals, int stacksize, int flags, PyObject *code, PyObject *consts, PyObject *names, PyObject *varnames, PyObject *freevars, PyObject *cellvars, PyObject *filename, PyObject *name, int firstlineno, PyObject *lnotab)
Return a new code object. If you need a dummy code object to
create a frame, use PyCode_NewEmpty() instead. Calling
PyCode_New() directly can bind you to a precise Python
version since the definition of the bytecode changes often.
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int PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno)
Return a new empty code object with the specified filename,
function name, and first line number. It is illegal to
exec or eval() the resulting code object.
