Class ST2SourceWatcher

ST2/operations.py:317–371

class ST2SourceWatcher(bpy.types.Operator):
    bl_idname = "wm.st2_source_watcher"
    bl_label = "ST2 Source Watcher"

    _timer = None
    _force = False

    _sources = {}

    def modal(self, context, event):

        st2 = context.scene.st2

        def cancel(force=False):
            print("CANCELLING")
            self._force = force
            self.cancel(context)
            return {"FINISHED"}
        
        if not st2.script_watch:
            return cancel(force=True)

        if event.type == 'ESC':
            return cancel(force=True)

        if event.type == 'TIMER':

            for obj in search.find_st2_editables(context):
                data = obj.st2
                if data.script_file and data.script_enabled:
                    if data.script_file not in self._sources:
                        stat = Path(data.script_file).stat()
                        self._sources[data.script_file] = stat.st_mtime
            
            for src, last_mtime in self._sources.items():
                stat = Path(src).stat()
                if stat.st_mtime > last_mtime:
                    self._sources[src] = stat.st_mtime
                    print("save detected:", src)
                    bpy.ops.st2.refresh_settings()

        return {'PASS_THROUGH'}

    def execute(self, context):
        wm = context.window_manager
        self._timer = wm.event_timer_add(0.25, window=context.window)
        wm.modal_handler_add(self)

        return {'RUNNING_MODAL'}

    def cancel(self, context):
        wm = context.window_manager
        wm.event_timer_remove(self._timer)
        self._force = False
        print('timer removed')


classes = [