[resotocore][feat] format --json prettifies json (#893)

* [resotocore][feat] format --json prettifies json

* define type of dict

resotocore/resotocore/cli/command.py

@@ -1935,9 +1935,9 @@ def args_info(self) -> ArgsInfo:
             ArgInfo(expects_value=True, help_text="format definition with {} placeholders", option_group="output"),
         ]
 
-    formats = {
+    formats: Dict[str, Callable[[AsyncIterator[JsonElement]], AsyncIterator[JsonElement]]] = {
         "ndjson": respond_ndjson,
-        "json": respond_json,
+        "json": partial(respond_json, indent=2),
         "text": respond_text,
         "yaml": respond_yaml,
         "cytoscape": respond_cytoscape,

resotocore/resotocore/web/content_renderer.py

@@ -2,7 +2,7 @@
 import logging
 import re
 from collections import defaultdict
-from typing import AsyncGenerator, List, Dict, AsyncIterator, Tuple, Callable, Optional
+from typing import AsyncGenerator, List, Dict, AsyncIterator, Tuple, Callable, Optional, Any
 
 import yaml
 from aiohttp.web import StreamResponse, Request, Response, json_response
@@ -14,23 +14,17 @@
 from resotocore.model.resolve_in_graph import NodePath
 from resotocore.model.typed_model import to_json
 from resotocore.types import Json, JsonElement
-from resotocore.util import (
-    del_value_in_path,
-    value_in_path,
-    value_in_path_get,
-    count_iterator,
-    identity,
-)
+from resotocore.util import del_value_in_path, value_in_path, value_in_path_get, count_iterator, identity
 
 log = logging.getLogger(__name__)
 
 
-async def respond_json(gen: AsyncIterator[JsonElement]) -> AsyncGenerator[str, None]:
+async def respond_json(gen: AsyncIterator[JsonElement], **json_args: Any) -> AsyncGenerator[str, None]:
     sep = ","
     yield "["
     first = True
     async for item in gen:
-        js = json.dumps(to_json(item))
+        js = json.dumps(to_json(item), **json_args)
         if not first:
             yield sep
         yield js