Split CLI into pretty svg and layer export sub-commands

gerbonara/__main__.py

@@ -1,8 +1,41 @@
 #!/usr/bin/env python3
 
 import click
+from zipfile import is_zipfile
+from pathlib import Path
 
-from .cli import cli
+from .layers import LayerStack
+from .rs274x import GerberFile
+
+
+@click.group()
+def cli():
+    pass
+
+@cli.command(help='Render a folder or zip of Gerber and Excellon files to a pretty, semi-photorealistic SVG.')
+@click.option('-t' ,'--top', help='Render board top side.', is_flag=True)
+@click.option('-b' ,'--bottom', help='Render board bottom side.', is_flag=True)
+@click.argument('input_zip_or_dir', type=click.Path(exists=True, path_type=Path))
+@click.argument('output_svg', required=False, default='-', type=click.File('w'))
+def pretty(input_zip_or_dir, output_svg, top, bottom):
+    if (bool(top) + bool(bottom))  != 1:
+        raise click.UsageError('Excactly one of --top or --bottom must be given when rendering a dir or zip of gerbers.')
+
+    stack = LayerStack.open(input_zip_or_dir, lazy=True)
+    print(f'Loaded {stack}')
+
+    svg = stack.to_pretty_svg(side=('top' if top else 'bottom'))
+
+    output_svg.write(str(svg))
+
+@cli.command(help='Render an individual Gerber or Excellon file to SVG')
+@click.option('-f', '--foreground', default='black', help='Foreground color')
+@click.option('-b', '--background', default='white', help='Background color used for "clear" areas.')
+@click.argument('input_gerber', type=click.Path(exists=True, dir_okay=False, path_type=Path))
+@click.argument('output_svg', required=False, default='-', type=click.File('w'))
+def render(input_gerber, output_svg, foreground, background):
+    layer = GerberFile.open(input_gerber)
+    output_svg.write(str(layer.to_svg(fg=foreground, bg=background)))
 
 if __name__ == '__main__':
     cli()