better build process, better output, libgourou updated, better file dir structure

src/knock.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+
+import subprocess, magic, shutil, click
+from pathlib import Path
+from getpass import getpass
+from handle_acsm import handle_acsm
+from xdg import xdg_config_home
+
+__version__ = "1.0.0-alpha"
+
+@click.version_option()
+@click.command()
+@click.argument(
+    "file",
+    type=click.Path(
+        exists=True,
+        file_okay=True,
+        dir_okay=False,
+        readable=True,
+        resolve_path=True
+    )
+)
+def main(file):
+    file = Path(file)
+
+    # make the config dir if it doesn't exist
+    (xdg_config_home() / 'knock').mkdir(parents=True, exist_ok=True)
+
+    file_type = file.suffix[1:].upper()
+
+    if file_type == 'ACSM':
+        click.echo('Received an ACSM (Adobe) file...')
+        handle_acsm(file)
+    else:
+        click.echo(f'Error: Files of type {file.suffix[1:].upper()} are not supported.\n', err=True)
+        click.echo('Only the following file types are currently supported:', err=True)
+        click.echo('  * ACSM (Adobe)\n')
+        click.echo('Please open a feature request at:', err=True)
+        click.echo(f'  https://github.com/BentonEdmondson/knock/issues/new?title=Support%20{file_type}%20Files&labels=enhancement', err=True)
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()