Add ensure config script (#2548)

homeassistant/scripts/ensure_config.py

@@ -0,0 +1,33 @@
+"""Script to ensure a configuration file exists."""
+import argparse
+import os
+
+import homeassistant.config as config_util
+
+
+def run(args):
+    """Handle ensure config commandline script."""
+    parser = argparse.ArgumentParser(
+        description=("Ensure a Home Assistant config exists, "
+                     "creates one if necessary."))
+    parser.add_argument(
+        '-c', '--config',
+        metavar='path_to_config_dir',
+        default=config_util.get_default_config_dir(),
+        help="Directory that contains the Home Assistant configuration")
+    parser.add_argument(
+        '--script',
+        choices=['ensure_config'])
+
+    args = parser.parse_args()
+
+    config_dir = os.path.join(os.getcwd(), args.config)
+
+    # Test if configuration directory exists
+    if not os.path.isdir(config_dir):
+        print('Creating directory', config_dir)
+        os.makedirs(config_dir)
+
+    config_path = config_util.ensure_config_exists(config_dir)
+    print('Configuration file:', config_path)
+    return 0