import bpy
import os
import datetime

#shortcuts
context = bpy.context
scene = context.scene
A = context.object
S = bpy.context.selected_objects

#Date name and .blend name
time = datetime.datetime.now()
date= time.strftime("__%Y-%m-%d_%HH%MM%S")
datecol= time.strftime("%m-%d_%HH%MM%S")
blend = bpy.path.basename(bpy.data.filepath)[:-6]

#Collection Copies
def find_collection(context, item):
    collections = item.users_collection
    if len(collections) > 0:
        return collections[0]
    return context.scene.collection

def make_collection(collection_name, parent_collection):
    if collection_name in bpy.data.collections:
        return bpy.data.collections[collection_name]
    else:
        new_collection = bpy.data.collections.new(collection_name)
        parent_collection.children.link(new_collection)
        return new_collection
name = "Copies"

#Collection Date
def make_collection(collection_namme, parent_collection):
    if collection_namme in bpy.data.collections:
        return bpy.data.collections[collection_namme]
    else:
        new_collection = bpy.data.collections.new(collection_namme)
        parent_collection.children.link(new_collection)
        return new_collection
namme = datecol

#Dupplicate selection and move it to scene master collection
bpy.ops.object.duplicate_move(OBJECT_OT_duplicate={"linked":False, "mode":'TRANSLATION'})
bpy.ops.object.move_to_collection(collection_index=0)

#move every object to new collection
for C in bpy.context.selected_objects:
    C.name = C.name + " Copy"

    C_collection = find_collection(bpy.context, C)
    new_collection = make_collection(name , C_collection)
    new_collection.objects.link(C)
    C_collection.objects.unlink(C)

    bpy.data.collections["Copies"].hide_select = True
    bpy.data.collections["Copies"].hide_render = True
    bpy.data.collections["Copies"].hide_viewport = True

    C_collection = find_collection(bpy.context, C)
    new_collection = make_collection(namme , C_collection)
    new_collection.objects.link(C)
    C_collection.objects.unlink(C)

    bpy.data.collections[datecol].hide_select = True
    bpy.data.collections[datecol].hide_render = True
    bpy.data.collections[datecol].hide_viewport = True

bpy.context.view_layer.objects.active = A
for ob in S:
    ob.select_set(state=True)