Function PLy_procedure_compile

src/pl/plpython/plpy_procedure.c:353–402

* Insert the procedure into the Python interpreter */

 * Insert the procedure into the Python interpreter
 */
void
PLy_procedure_compile(PLyProcedure *proc, const char *src)
{
	PyObject   *crv = NULL;
	char	   *msrc;

	proc->globals = PyDict_Copy(PLy_interp_globals);

	/*
	 * SD is private preserved data between calls. GD is global data shared by
	 * all functions
	 */
	proc->statics = PyDict_New();
	if (!proc->statics)
		PLy_elog(ERROR, NULL);
	PyDict_SetItemString(proc->globals, "SD", proc->statics);

	/*
	 * insert the function code into the interpreter
	 */
	msrc = PLy_procedure_munge_source(proc->pyname, src);
	/* Save the mangled source for later inclusion in tracebacks */
	proc->src = MemoryContextStrdup(proc->mcxt, msrc);
	crv = PyRun_String(msrc, Py_file_input, proc->globals, NULL);
	pfree(msrc);

	if (crv != NULL)
	{
		int			clen;
		char		call[NAMEDATALEN + 256];

		Py_DECREF(crv);

		/*
		 * compile a call to the function
		 */
		clen = snprintf(call, sizeof(call), "%s()", proc->pyname);
		if (clen < 0 || clen >= sizeof(call))
			elog(ERROR, "string would overflow buffer");
		proc->code = Py_CompileString(call, "<string>", Py_eval_input);
		if (proc->code != NULL)
			return;
	}

	if (proc->proname)
		PLy_elog(ERROR, "could not compile PL/Python function \"%s\"",
				 proc->proname);
	else
		PLy_elog(ERROR, "could not compile anonymous PL/Python code block");
}

void
PLy_procedure_delete(PLyProcedure *proc)