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kirdy/scripts/generate_production_files.py

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Python
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import os
import argparse
__cmd_get_kicad_bin_path = "which kicad | xargs readlink | sed 's/$/-cli/' | xargs readlink"
def setup_env(prefix, sch, out_dir, dir_kicad_plugins, dir_3d_models):
# Get the path to "kicad_netlist_reader.py" script in NixOs
if dir_kicad_plugins is None:
dir_kicad_plugins = os.path.join(os.popen(__cmd_get_kicad_bin_path).read().replace("\n", ""),
"../../share/kicad/plugins")
# Setup the PYTHONPATH for "generate_bom_from_xml.py" to import "kicad_netlist_reader"
try:
pythonpath = os.environ['PYTHONPATH']
except KeyError:
pythonpath = ''
pathlist = [dir_kicad_plugins]
if pythonpath:
pathlist.extend(pythonpath.split(os.pathsep))
os.environ['PYTHONPATH'] = os.pathsep.join(pathlist)
# NIXOS installs KiCAD Built-in 3D models in a separated folder
if dir_3d_models is None:
model_3d_path = os.path.join("/nix/store", os.popen("ls /nix/store | grep kicad-packages3d | head -1").read().replace("\n", ""), "share/kicad/3dmodels")
# Setup the KICAD7_3DMODEL_DIR for step file to be generated with kicad-cli"
os.environ['KICAD7_3DMODEL_DIR'] = model_3d_path
# Generate the prefix from the title and revision fields in title block of the schematics top
if prefix is None:
with open (sch, "r") as f:
data = f.read().splitlines()
title_line = data[7][1:-1].split()
revision_line = data[9][1:-1].split()
if title_line[0].find("title") and revision_line[0].find("rev"):
ret_prefix = f"{title_line[1][1:-1]}_{revision_line[1][1:-1]}"
else:
raise ValueError("Prefix cannot be generated from schematic file.")
else:
ret_prefix = prefix
gerber_drill_dir = os.path.join(out_dir, f"{ret_prefix}_gerber_drill")
if not os.path.exists(out_dir):
os.makedirs(out_dir)
if not os.path.exists(gerber_drill_dir):
os.makedirs(gerber_drill_dir)
return ret_prefix
def generate_production_files(prefix, sch, pcb, out_dir):
out_path = os.path.join(out_dir, prefix)
bom_ret_code = os.system(f"kicad-cli sch export python-bom {sch} -o {out_path}_bom.xml")
bom_ret_code |= os.system(f"python -m scripts.generate_bom_from_xml {out_path}_bom.xml {out_path}_bom.csv")
os.system(f"rm {out_path}_bom.xml")
pdf_ret_code = os.system(f"kicad-cli sch export pdf {sch} -o {out_path}.pdf")
pos_ret_code = os.system(f"kicad-cli pcb export pos {pcb} --format csv --units mm -o {out_path}_pos.csv")
step_ret_code = os.system(f"kicad-cli pcb export step {pcb} --subst-models --force -o {out_path}.step")
out_path = os.path.join(out_dir, f"{prefix}_gerber_drill")
gerber_ret_code = os.system(f"kicad-cli pcb export gerbers {pcb} -l 'F.Cu,In1.Cu,In2.Cu,B.Cu,F.Paste,B.Paste,F.Silkscreen,B.Silkscreen,F.Mask,B.Mask,Edge.Cuts' --no-x2 --subtract-soldermask -o {out_path}")
# The additional trailing slash is due to a bug in the kicad-cli tool. https://gitlab.com/kicad/code/kicad/-/issues/14438
drill_ret_code = os.system(f"kicad-cli pcb export drill {pcb} -u mm --generate-map --map-format gerberx2 -o {out_path}/")
zip_ret_code = os.system(f"zip -r -j {out_path} {out_path}")
os.system(f"rm -r {out_path}")
print("=== File Generation Status === ")
print("Gerber: {}".format("Success" if gerber_ret_code == 0 else "Failed"))
print("Drill: {}".format("Success" if drill_ret_code == 0 else "Failed"))
print("Zip_Gerber_Drill: {}".format("Success" if zip_ret_code == 0 else "Failed"))
print("Bom: {}".format("Success" if bom_ret_code == 0 else "Failed"))
print("Pdf: {}".format("Success" if pdf_ret_code == 0 else "Failed"))
print("Pos: {}".format("Success" if pos_ret_code == 0 else "Failed"))
print("Step: {}".format("Success" if step_ret_code == 0 else "Failed"))
def main():
parser = argparse.ArgumentParser(
description="Python Script to Generate Production Files(Gerber, Drill, Drill Map, Bom, Component Placement, Schematics PDF, Step Files)")
parser.add_argument("-s", "--sch",
default="kirdy.kicad_sch",
help="schematics top file. defaults to 'kirdy.kicad_sch' if omitted")
parser.add_argument("-p", "--pcb",
default="kirdy.kicad_pcb",
help="pcb file. defaults to 'kirdy.kicad_pcb' if omitted")
parser.add_argument("-o", "--output",
default="./production",
help="output folder, defaults to './production' if omitted")
parser.add_argument("-pre", "--prefix",
default=None,
help="output filename prefix, attempts to generated from schematics top file if omitted")
parser.add_argument("-dir_plugins", "--dir_kicad_plugins",
default=None,
help="path to kicad_netlist_reader.py, attempts to find the required path in the system if omitted")
parser.add_argument("-dir_3d", "--dir_3d_models",
default=None,
help="path to kicad 3d models folder, attempts to find the required path in the system if omitted")
args = parser.parse_args()
prefix = setup_env(args.prefix, args.sch, args.output, args.dir_kicad_plugins, args.dir_3d_models)
generate_production_files(prefix, args.sch, args.pcb, args.output)
if __name__ == '__main__':
main()