splitflap

#!/usr/bin/env python
#   Copyright 2015-2016 Scott Bezek and the splitflap contributors
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.

import logging
import os
import pcbnew
import re
import shutil
import zipfile

from collections import namedtuple

import pcb_util

logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)

PCB_FILENAME = 'splitflap.kicad_pcb'

# Have to use absolute path for build_directory otherwise pcbnew will output relative to the temp file
BUILD_DIRECTORY = os.path.abspath('build')

def run():
    temp_dir = os.path.join(BUILD_DIRECTORY, 'temp_gerbers')
    shutil.rmtree(temp_dir, ignore_errors=True)
    try:
        os.makedirs(temp_dir)
        plot_to_directory(BUILD_DIRECTORY, temp_dir)
    finally:
        shutil.rmtree(temp_dir, ignore_errors=True)

def plot_to_directory(output_directory, temp_dir):
    board_name = os.path.splitext(os.path.basename(PCB_FILENAME))[0]

    LayerDef = namedtuple('LayerDef', ['layer', 'extension'])
    output_files = []
    with pcb_util.get_plotter(PCB_FILENAME, temp_dir) as plotter:
        plotter.plot_options.SetDrillMarksType(pcbnew.PCB_PLOT_PARAMS.NO_DRILL_SHAPE)

        layers = [
            LayerDef(pcbnew.F_Cu,       'GTL'),
            LayerDef(pcbnew.F_Mask,     'GTS'),
            LayerDef(pcbnew.F_SilkS,    'GTO'),
            LayerDef(pcbnew.B_Cu,       'GBL'),
            LayerDef(pcbnew.B_Mask,     'GBS'),
            LayerDef(pcbnew.B_SilkS,    'GBO'),
            LayerDef(pcbnew.Edge_Cuts,  'GML'),
        ]

        for layer in layers:
            output_filename = plotter.plot(layer.layer, pcbnew.PLOT_FORMAT_GERBER)
            desired_name = '%s.%s' % (
                board_name,
                layer.extension,
            )
            desired_output_filename = os.path.join(output_directory, desired_name)
            os.rename(output_filename, desired_output_filename)
            output_files.append(desired_output_filename)

        drill_file, _ = plotter.plot_drill()
        desired_drill_file = os.path.join(output_directory, '%s.txt' % (board_name,))
        os.rename(drill_file, desired_drill_file)
        output_files.append(desired_drill_file)

    version_info = pcb_util.get_version_info()
    zip_file_name = os.path.join(output_directory, '%s_gerber.zip' % (board_name, ))
    with zipfile.ZipFile(zip_file_name, 'w') as z:
        for f in output_files:
            z.write(f, os.path.relpath(f, output_directory))

if __name__ == '__main__':
    run()