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#!/usr/bin/env python
"""
Set all schematic footprints from the PCB file, where the components footprints
are known. The footprints were exported once from the PCB using the menu option
File -> Archive Footprints -> Create New Library and Archive Footprints
and the fp-lib-table was set up to map the name 'Cryptech_Alpha_Footprints' to
the archive directory (rev03-KiCad/footprints.pretty).
"""
import os
import sys
import pprint
import pcbnew
def add_footprints(fn_in, fn_out, comp):
in_ = open(fn_in)
out = open(fn_out, 'w')
curr = None
c = 0
f0 = ''
print('Adding footprints to {}'.format(fn_in))
for line in in_.readlines():
c += 1
if line.startswith('L '):
curr = line.split(' ')[-1]
while curr[-1] == '\n':
curr = curr[:-1]
# Special case handling of chips divided into parts
if '_' in curr and curr not in comp:
curr = curr.split('_')[0]
if line.startswith('F 0 '):
f0 = line
if line.startswith('F 2 ""'):
if curr in comp:
fp = comp[curr]
line = 'F 2 "Cryptech_Alpha_Footprints:{}{}'.format(fp, line[5:])
if line.endswith('0000 C CNN\n'):
# don't show the footprint in the schematics
line = line[:-8] + '1' + line[-7:]
#print('{}: line {} {} fp {}'.format(fn_in, c, curr, fp))
else:
if not curr.startswith('#PWR'):
sys.stderr.write('{}: line {} footprint for {} not known\n'.format(fn_in, c, curr))
curr = None
f0 = ''
if line.startswith('$EndComp') and curr is not None:
#sys.stderr.write('{}: line {} footprint for {} not written\n'.format(fn_in, c, curr))
if curr in comp:
# Component without F 2 line. Construct one roughly from F 0.
f = f0.split(' ')
coord = f[4] + ' ' + f[5]
f2 = 'F 2 "Cryptech_Alpha_Footprints:{}" H {} 60 0001 C CNN\n'.format(comp[curr], coord)
out.write(f2)
else:
if not curr.startswith('#PWR'):
sys.stderr.write('{}: line {} footprint for {} not known\n'.format(fn_in, c, curr))
out.write(line)
return True
def main(pcb, schemas):
print("Loading PCB '{}'".format(pcb))
board = pcbnew.LoadBoard(pcb)
comp = {}
for mod in board.GetModules():
ref = mod.GetReference()
fp = mod.GetFPID().GetLibItemName()
if ref in comp:
sys.stderr.write('{} already in comp ({} -> {})!\n'.format(ref, comp[ref], fp))
comp[ref] = str(fp)
#print(sorted(comp.keys()))
#print(pprint.pformat(comp))
for this in schemas:
if add_footprints(this, this + '.tmp', comp):
os.rename(this + '.tmp', this)
return True
if __name__ == '__main__':
try:
if len(sys.argv) == 0:
sys.stderr.write('Syntax: set-footprints-from-pcb.py *.kicad_pcb *.sch\n')
sys.exit(1)
pcb = [x for x in sys.argv if x.endswith('.kicad_pcb')][0]
schemas = [x for x in sys.argv if x.endswith('.sch')]
res = main(pcb, schemas)
if res:
sys.exit(0)
sys.exit(1)
except KeyboardInterrupt:
pass
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