List yubikeys

yubi_lock/api/yubikey.py

@@ -0,0 +1,14 @@
+import yubico
+
+
+def get_all_yubikeys(debug):
+    keys = []
+    try:
+        skip = 0
+        while skip < 255:
+            key = yubico.find_yubikey(debug=debug, skip=skip)
+            keys.append(key)
+            skip += 1
+    except yubico.yubikey.YubiKeyError:
+        pass
+    return keys

yubi_lock/status/cli.py

@@ -0,0 +1,10 @@
+import click
+from yubi_lock.api.yubikey import get_all_yubikeys
+
+
+@click.command('status', short_help='List connected devices.')
+def cli():
+    print('Scanning for keys...')
+    keys = get_all_yubikeys(False)
+    for key in keys:
+        print("Found {}!".format(key.description))