Addon of the align object between other 2 objects script. Mapped to Ctrl-Shift-V

align2.py

import bpy
from bpy.utils import register_class, unregister_class


class RotateBetweenTwoOperator (bpy.types.Operator):
    bl_idname = "ops.align_between_two"
    bl_label = "Align Object between 2 other objects."

    @classmethod
    def poll(cls, context):
        return context.active_object and context.mode is not "EDIT_MESH"

    def execute(cls, context):
        if len(bpy.context.selected_objects) != 3: return
        objTarget = bpy.context.view_layer.objects.active
        posA, posB = [ob.location for ob in bpy.context.selected_objects if ob != objTarget]
        midPoint = (posA + posB)/2
        objTarget.location = midPoint
        axis = posA - posB
        rotation_mode = objTarget.rotation_mode
        objTarget.rotation_mode = 'QUATERNION'
        objTarget.rotation_quaternion = axis.to_track_quat('Z','Y')
        objTarget.rotation_mode = rotation_mode

        return {'FINISHED'}


class RotateTwoPie (bpy.types.Menu):
    bl_idname = "menu.Rotate_Pie"
    bl_label = "Rotate Between 2 Pie"

    def draw (self, ctx):
        l = self.layout
        p = l.menu_pie()
        p.operator(RotateBetweenTwoOperator.bl_idname)



        
bl_info = {
    "name" : "Align Objects by Axis",
    "author" : "AIG, Thanks to Sergey Kritisky & Jack Maguire",
    "blender" : (2, 91, 0),
    "version" : (1, 0, 0),
    "location" : "View3D",
    "category" : "3D View"
}

def register ():
    register_class(RotateBetweenTwoOperator)
    register_class(RotateTwoPie)


    kc = bpy.context.window_manager.keyconfigs.addon
    km = kc.keymaps.new(name="3D View", space_type="VIEW_3D")

    kmi = km.keymap_items.new("wm.call_menu_pie", "V", "PRESS", shift=True, ctrl=True)
    kmi.properties.name = RotateTwoPie.bl_idname

def unregister ():
    unregister_class(RotateBetweenTwoOperator)
    unregister_class(RotateTwoPie)