Move CYTHON_NO_PYINIT_EXPORT utility code into external file to avoid lengthy...

Move CYTHON_NO_PYINIT_EXPORT utility code into external file to avoid lengthy chain of plain text code generation.

Cython/Compiler/ModuleNode.py

@@ -2255,32 +2255,13 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
         code.putln("return -1;")
         code.putln("}")
         code.putln("")
-        code.putln(UtilityCode.load_cached("ImportStar", "ImportExport.c").impl)
+        code.putln(UtilityCode.load_as_string("ImportStar", "ImportExport.c")[1])
         code.exit_cfunc_scope()  # done with labels
 
     def generate_module_init_func(self, imported_modules, env, code):
         code.enter_cfunc_scope(self.scope)
         code.putln("")
-        code.putln("#if PY_MAJOR_VERSION < 3")
-        code.putln("#ifdef CYTHON_NO_PYINIT_EXPORT")
-        code.putln("/* define this to void manually because PyMODINIT_FUNC")
-        code.putln("* adds __declspec(dllexport) to it's definition.")
-        code.putln("*/")
-        code.putln("#define __Pyx_PyMODINIT_FUNC void")
-        code.putln("#else")
-        code.putln("#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC")
-        code.putln("#endif")
-        code.putln("#else")
-        code.putln("#ifdef CYTHON_NO_PYINIT_EXPORT")
-        code.putln("/* define this to PyObject * manually because PyMODINIT_FUNC")
-        code.putln("* adds __declspec(dllexport) to it's definition.")
-        code.putln("*/")
-        code.putln("#define __Pyx_PyMODINIT_FUNC PyObject *")
-        code.putln("#else")
-        code.putln("#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC")
-        code.putln("#endif")
-        code.putln("#endif")
-        code.putln("")
+        code.putln(UtilityCode.load_as_string("PyModInitFuncType", "ModuleSetupCode.c")[0])
         header2 = "__Pyx_PyMODINIT_FUNC init%s(void)" % env.module_name
         header3 = "__Pyx_PyMODINIT_FUNC %s(void)" % self.mod_init_func_cname('PyInit', env)
         code.putln("#if PY_MAJOR_VERSION < 3")

Cython/Utility/ModuleSetupCode.c

@@ -598,6 +598,29 @@ class __Pyx_FakeReference {
 #endif
 
 
+/////////////// PyModInitFuncType.proto ///////////////
+
+#if PY_MAJOR_VERSION < 3
+
+#ifdef CYTHON_NO_PYINIT_EXPORT
+// define this to void manually because PyMODINIT_FUNC adds __declspec(dllexport) to it's definition.
+#define __Pyx_PyMODINIT_FUNC void
+#else
+#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
+#endif
+
+#else
+
+#ifdef CYTHON_NO_PYINIT_EXPORT
+// define this to PyObject * manually because PyMODINIT_FUNC adds __declspec(dllexport) to it's definition.
+#define __Pyx_PyMODINIT_FUNC PyObject *
+#else
+#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
+#endif
+
+#endif
+
+
 /////////////// FastTypeChecks.proto ///////////////
 
 #if CYTHON_COMPILING_IN_CPYTHON