text: from tkinter import ttk, Frame, N, LEFT, VERTICAL, Y
  import gui.widgets as widgets
  import json
  import os
  
  import classes.constants as CONST
  
  
  def custom_page(top, parent):
      # Custom Item Pool
      self = ttk.Frame(parent)
  
      def create_list_frame(parent, framename):
          parent.frames[framename] = Frame(parent)
          parent.frames[framename].pack(side=LEFT, padx=(0,0), anchor=N)
          parent.frames[framename].thisRow = 0
          parent.frames[framename].thisCol = 0
  
      def create_vertical_rule(num=1):
          for i in range(0,num):
              ttk.Separator(self, orient=VERTICAL).pack(side=LEFT, anchor=N, fill=Y)
  
      def validation(P):
          if str.isdigit(P) or P == "":
              return True
          else:
              return False
      vcmd=(self.register(validation), '%P')
  
      # Custom Item Pool options
      self.customWidgets = {}
  
      # Custom Item Pool option sections
      self.frames = {}
      create_list_frame(self, "itemList1")
      create_vertical_rule(2)
      create_list_frame(self, "itemList2")
      create_vertical_rule(2)
      create_list_frame(self, "itemList3")
      create_vertical_rule(2)
      create_list_frame(self, "itemList4")
      create_vertical_rule(2)
      create_list_frame(self, "itemList5")
  
      with open(os.path.join("resources", "app", "gui", "custom", "overview", "widgets.json")) as widgetDefns:
          myDict = json.load(widgetDefns)
          for framename,theseWidgets in myDict.items():
              dictWidgets = widgets.make_widgets_from_dict(self, theseWidgets, self.frames[framename])
              for key in dictWidgets:
                  self.customWidgets[key] = dictWidgets[key]
  
      for key in CONST.CUSTOMITEMS:
          self.customWidgets[key].storageVar.set(top.settings["customitemarray"][key])
  
      return self
  