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'Sort By' layers in Python

jonathanjonathan
in Python scripting

Hi,

On the GUI, when I right-click on the layer list -> 'Sort By' -> 'Layout index, Layer And Datatype'
this sorts the layer,

I would like to do the same in Python,

Most commands from the right click list are part of the class LayoutView
Is there also a prepared command for it?

Comments

  • MatthiasMatthias

    There is no direct call point for this. But there is some discussion about how to manipulate layer lists in Python safely: https://www.klayout.de/forum/discussion/comment/5919#Comment_5919

    Matthias

  • jonathanjonathan

    Hi thanks for the link, here is the code I made for sorting through layer number and datatype:

    def SortLayers(): 
  lv = pya.LayoutView.current()
  to_insert = []
  li = lv.begin_layers()
  while not li.at_end():
    to_insert.append(li.current().dup())
    lv.delete_layer(li)
  to_insert.sort(key=lambda l: l.source_datatype)
  to_insert.sort(key=lambda l: l.source_layer)
  for l in to_insert:
    lv.insert_layer(lv.end_layers(), l)
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