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#!/usr/bin/env python3
# build-aux/kicad-sym-cat - Merge several KiCad symbol libraries
#
# Copyright (C) 2025 Luke T. Shumaker <lukeshu@lukeshu.com>
# SPDX-License-Identifier: AGPL-3.0-or-later
import os.path
import sys
common = os.path.abspath(os.path.dirname(__file__))
if common not in sys.path:
sys.path.insert(0, common)
import kicad_sexpr # pylint: disable=wrong-import-position
def symbol_name(sym: kicad_sexpr.Expr) -> str:
assert isinstance(sym, list)
assert len(sym) > 1
assert sym[0] == kicad_sexpr.Symbol("symbol")
assert isinstance(sym[1], str)
return sym[1]
def main(src_lib_filenames: list[str]) -> None:
symbols: kicad_sexpr.List = []
for src_lib_filename in src_lib_filenames:
with open(src_lib_filename, "r", encoding="utf-8") as fh:
src_obj = kicad_sexpr.unmarshal(fh.read())
assert isinstance(src_obj, list)
assert len(src_obj) > 1
assert src_obj[0] == kicad_sexpr.Symbol("kicad_symbol_lib")
for item in src_obj:
if (
isinstance(item, list)
and len(item) > 1
and item[0] == kicad_sexpr.Symbol("symbol")
):
symbols.append(item)
symbols = sorted(symbols, key=symbol_name)
combined_obj: kicad_sexpr.List = [
kicad_sexpr.Symbol("kicad_symbol_lib"),
[kicad_sexpr.Symbol("version"), 20241209],
[kicad_sexpr.Symbol("generator"), "kicad_symbol_editor"],
[kicad_sexpr.Symbol("generator_version"), "9.0"],
*symbols,
]
print(kicad_sexpr.marshal(combined_obj))
if __name__ == "__main__":
main(sys.argv[1:])
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