feat(dsi): add scoped search keyboard routes

Provide separate native keyboard endpoints for creator and Flipnote searches.

hatenadir/ds/v2-xx/search.py

@@ -0,0 +1,29 @@
+from twisted.web import resource
+
+from hatena import NotFound, as_text
+from reximemo import search_keyboard_response
+
+
+class PyResource(resource.Resource):
+    isLeaf = False
+
+    def getChild(self, name, request):
+        scope = as_text(name)
+        if scope in {"flipnotes.kbd", "creators.kbd"}:
+            return SearchKeyboard(scope.split(".", 1)[0])
+        return NotFound
+
+
+class SearchKeyboard(resource.Resource):
+    isLeaf = True
+
+    def __init__(self, scope):
+        super().__init__()
+        self.scope = scope
+
+    def render_POST(self, request):
+        return search_keyboard_response(request, self.scope)
+
+    def render_GET(self, request):
+        request.setResponseCode(405)
+        return b""