Nomad changes

docs/snippets/python/plugins/plugin_extractor.md

@@ -0,0 +1,42 @@
+```python title="Python"
+from kreuzberg import register_document_extractor, ExtractionResult
+import json
+
+class CustomJsonExtractor:
+    def name(self) -> str:
+        return "custom-json-extractor"
+
+    def version(self) -> str:
+        return "1.0.0"
+
+    def supported_mime_types(self) -> list[str]:
+        return ["application/json"]
+
+    def priority(self) -> int:
+        return 50
+
+    def extract_bytes(
+        self, content: bytes, mime_type: str, config: dict
+    ) -> ExtractionResult:
+        data: dict = json.loads(content)
+        text: str = self._extract_text(data)
+        return {"content": text, "mime_type": "application/json"}
+
+    def _extract_text(self, obj: object) -> str:
+        if isinstance(obj, str):
+            return f"{obj}\n"
+        if isinstance(obj, list):
+            return "".join(self._extract_text(item) for item in obj)
+        if isinstance(obj, dict):
+            return "".join(self._extract_text(v) for v in obj.values())
+        return ""
+
+    def initialize(self) -> None:
+        pass
+
+    def shutdown(self) -> None:
+        pass
+
+extractor: CustomJsonExtractor = CustomJsonExtractor()
+register_document_extractor(extractor)
+```