JSON output for account show

docs/userguide/account/cmd_show.rst

@@ -30,4 +30,14 @@ Description
 Show detailed information about :ref:`cmd_account`:
 
 * Active groups and expiration
-* Group permissions
+* Group permissions
+
+Options
+~~~~~~~
+
+.. program:: platformio account show
+
+.. option::
+    --json-output
+
+Return the output in `JSON <http://en.wikipedia.org/wiki/JSON>`_ format

platformio/commands/account.py

@@ -62,5 +62,6 @@ def account_forgot(**kwargs):
 
 
 @cli.command("show", short_help="PIO Account information: groups, permissions")
-def account_show():
+@click.option("--json-output", is_flag=True)
+def account_show(**kwargs):
     pioplus_call(sys.argv[1:])