minor bpy api edits

- strict check for rna properties
- formatting edits (120 line width)
- use PyDoc_STRVAR macros for getset docstrings

source/blender/python/intern/bpy_interface.c

@@ -134,9 +134,12 @@ void bpy_context_clear(bContext *UNUSED(C), PyGILState_STATE *gilstate)
 		fprintf(stderr, "ERROR: Python context internal state bug. this should not happen!\n");
 	}
 	else if (py_call_level==0) {
-		// XXX - Calling classes currently wont store the context :\, cant set NULL because of this. but this is very flakey still.
-		//BPy_SetContext(NULL);
-		//bpy_import_main_set(NULL);
+		/* XXX - Calling classes currently wont store the context :\,
+		 * cant set NULL because of this. but this is very flakey still. */
+#if 0
+		BPy_SetContext(NULL);
+		bpy_import_main_set(NULL);
+#endif
 
 #ifdef TIME_PY_RUN
 		bpy_timer_run_tot += PIL_check_seconds_timer() - bpy_timer_run;
@@ -329,7 +332,8 @@ typedef struct {
 } PyModuleObject;
 #endif
 
-static int python_script_exec(bContext *C, const char *fn, struct Text *text, struct ReportList *reports, const short do_jump)
+static int python_script_exec(bContext *C, const char *fn, struct Text *text,
+                              struct ReportList *reports, const short do_jump)
 {
 	PyObject *main_mod= NULL;
 	PyObject *py_dict= NULL, *py_result= NULL;
@@ -717,7 +721,10 @@ void bpy_module_delay_init(PyObject *bpy_proxy)
 {
 	const int argc= 1;
 	const char *argv[2];
-	PyObject *filename_obj= PyModule_GetFilenameObject(bpy_proxy); /* updating the module dict below will loose the reference to __file__ */
+
+	/* updating the module dict below will loose the reference to __file__ */
+	PyObject *filename_obj= PyModule_GetFilenameObject(bpy_proxy);
+
 	const char *filename_rel= _PyUnicode_AsString(filename_obj); /* can be relative */
 	char filename_abs[1024];