Start work on transfer kitten

kittens/transfer/main.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+# vim:fileencoding=utf-8
+# License: GPLv3 Copyright: 2021, Kovid Goyal <kovid at kovidgoyal.net>
+
+import sys
+from typing import List
+
+from kitty.cli import parse_args
+from kitty.cli_stub import TransferCLIOptions
+
+
+def option_text() -> str:
+    return '''\
+--direction -d
+default=send
+choices=send,receive
+Whether to send or receive files.
+'''
+
+
+def send_main(cli_opts: TransferCLIOptions, args: List[str]) -> None:
+    pass
+
+
+def main(args: List[str]) -> None:
+    cli_opts, items = parse_args(
+        args[1:], option_text, '', 'Transfer files over the TTY device',
+        'kitty transfer', result_class=TransferCLIOptions
+    )
+    if not items:
+        raise SystemExit('Usage: kitty +kitten transfer file_or_directory ...')
+    if cli_opts.direction == 'send':
+        send_main(cli_opts, items)
+        return
+
+
+if __name__ == '__main__':
+    main(sys.argv)