implement command line status call in Python

nominatim/result_formatter/v1.py

@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.
+"""
+Output formatters for API version v1.
+"""
+from typing import Dict, Any
+from collections import OrderedDict
+import json
+
+from nominatim.result_formatter.base import FormatDispatcher
+from nominatim.apicmd.status import StatusResult
+
+create = FormatDispatcher()
+
+@create.format_func(StatusResult, 'text')
+def _format_status_text(result: StatusResult) -> str:
+    return result.message
+
+
+@create.format_func(StatusResult, 'json')
+def _format_status_json(result: StatusResult) -> str:
+    # XXX write a simple JSON serializer
+    out: Dict[str, Any] = OrderedDict()
+    out['status'] = result.status
+    out['message'] = result.message
+    if result.data_updated is not None:
+        out['data_updated'] = result.data_updated
+    out['software_version'] = result.software_version
+    if result.database_version is not None:
+        out['database_version'] = result.database_version
+
+    return json.dumps(out)