add repl

ykman/cli/__main__.py

@@ -60,6 +60,9 @@
 import time
 import sys
 import logging
+import json
+import io
+import contextlib
 
 
 logger = logging.getLogger(__name__)
@@ -352,7 +355,35 @@ def list_keys(ctx, serials, readers):
  click.echo(f"{name} [{mode}] <access denied>")
 
 
-COMMANDS = (list_keys, info, otp, openpgp, oath, piv, fido, config, apdu)
+@cli.command("repl")
+@click.pass_context
+def repl(ctx):
+ """
+ Enter commands as REPL (formatted as JSON)
+ """
+ while 1:
+ line = input()
+ stdout = io.StringIO()
+ stderr = io.StringIO()
+ if not line:
+ break
+ try:
+ with contextlib.redirect_stderr(stderr), contextlib.redirect_stdout(stdout):
+ cli.main(args=json.loads(line))
+ except SystemExit:
+ pass
+ print(
+ json.dumps(
+ {
+ "stdout": stdout.getvalue().splitlines(),
+ "stderr": stderr.getvalue().splitlines(),
+ }
+ ),
+ flush=True,
+ )
+
+
+COMMANDS = (repl, list_keys, info, otp, openpgp, oath, piv, fido, config, apdu)
 
 
 for cmd in COMMANDS: