KiCad script to layout key switch matrix

gistfile1.txt

# starting position
start_x = 42.4
start_y = 30.3
# distance between key switches
dx = 10.6
dy = 10.1
# number of rows and columns of the matrix
rown = 6
coln = 15
# Prefix of component reference
prefix = 'K'

import pcbnew
board = pcbnew.GetBoard()

for rowi in range(rown):
  for coli in range(coln):
    refn = ( coln * rowi + coli ) + 1
    reftxt = f"{prefix}{refn}"
    x = start_x + dx*coli
    y = start_y + dy*rowi
    board.FindFootprintByReference(reftxt).SetPos(pcbnew.VECTOR2I_MM(x, y))
    
pcbnew.Refresh()