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docarray_response.py
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35 lines (24 loc) · 879 Bytes
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from typing import TYPE_CHECKING, Any
from docarray.base_doc.io.json import orjson_dumps
from docarray.utils._internal.misc import import_library
if TYPE_CHECKING:
from fastapi.responses import JSONResponse
else:
fastapi = import_library('fastapi', raise_error=True)
JSONResponse = fastapi.responses.JSONResponse
class DocArrayResponse(JSONResponse):
"""
This is a custom Response class for FastAPI and starlette. This is needed
to handle serialization of the Document types when using FastAPI
---
```python
from docarray.documets import Text
from docarray.base_doc import DocResponse
@app.post("/doc/", response_model=Text, response_class=DocResponse)
async def create_item(doc: Text) -> Text:
return doc
```
---
"""
def render(self, content: Any) -> bytes:
return orjson_dumps(content)