nig_rishat_n_operator_prop.py

bl_info = { 
    "name": "My Addon",
    "category": "3D View"
}


import bpy


class MyOperator(bpy.types.Operator):
    bl_idname = "ar1.append"
    bl_label = "Array"

    count = bpy.props.IntProperty(
        name    = "Count",
        min     = 0,
        default = 3
    )

    def invoke(self, context, event):
        wm = context.window_manager
        return wm.invoke_props_dialog(self)

    def execute(self, context):
        ob = context.active_object
        if not ob:
            return {'CANCELLED'}

        bpy.ops.object.modifier_add(type='ARRAY')
        ob.modifiers["Array"].count = self.count

        return {'FINISHED'}


class MyPanel(bpy.types.Panel):
    bl_label = "My Menu"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'TOOLS'

    def draw(self, context):
        layout = self.layout

        op = layout.operator("ar1.append")


def register():
    bpy.utils.register_class(MyOperator)
    bpy.utils.register_class(MyPanel)


def unregister():
    bpy.utils.unregister_class(MyOperator)
    bpy.utils.unregister_class(MyPanel)
 
if __name__ == "__main__":
    register()