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#!/usr/bin/env python
"""
Sort the library file like KiCad does, to minimize diffs
"""
import os
import re
import sys
import pprint
def chunk_file(fd):
res = []
for this in fd.readlines():
res += [this]
if this.startswith('ENDDEF'):
if res[0] != '#\n':
res = ['#\n'] + res
name = res[1].split(' ')[1][:-1]
yield(name, ''.join(res))
res = []
def sort_symbols(fn_in, fn_out, refdes):
in_ = open(fn_in)
out = open(fn_out, 'w')
fn = os.path.basename(fn_in)
print('Remapping symbols in in {}'.format(fn))
header = in_.readline() + in_.readline()
symbols = {}
for k, v in sorted(chunk_file(in_)):
symbols[k] = v
out.write(header)
for k in sorted(symbols.keys()):
out.write(symbols[k])
out.write('#End Library\n')
return True
def main(libs):
refdes = {}
for this in sorted(libs):
if sort_symbols(this, this + '.tmp', refdes):
os.rename(this + '.tmp', this)
return True
if __name__ == '__main__':
try:
if len(sys.argv) == 0:
sys.stderr.write('Syntax: sort-symbols.py *.lib\n')
sys.exit(1)
libs = [x for x in sys.argv if x.endswith('.lib')]
res = main(libs)
if res:
sys.exit(0)
sys.exit(1)
except KeyboardInterrupt:
pass
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