# Copyright 2023 Zilliz. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import asyncio
from typing import Any
from .base import IOBase, IOType
from towhee.utils.serializer import to_json
[docs]class TEXT(IOBase, io_type=IOType.TEXT):
"""TEXT IO
Example:
.. code-block:: python
from towhee import AutoPipes, api_service
from towhee.serve.io import TEXT, NDARRAY, JSON, BYTES
service = api_service.APIService(desc="Welcome")
stn = AutoPipes.pipeline('sentence_embedding')
@service.api(path='/embedding', input_model=TEXT(), output_model=NDARRAY())
def chat(text: str):
return stn(text).to_list()[0][0]
Client:
HTTP:
.. code-block:: python
import requests
requests.post('http://127.0.0.1:8000/embedding', json='Hello, Towhee').json()
GRPC:
.. code-block:: python
from towhee.serve.grpc.client import Client
c = Client('0.0.0.0', 8000)
print(c('/embedding', 'Hello, Towhee '))
"""
_mime_type = 'application/json'
def from_http(self, request: 'fastapi.Request') -> str:
return asyncio.run(request.body()).decode('utf-8')
def to_http(self, obj: Any) -> 'Response':
from fastapi import Response # pylint: disable=import-outside-toplevel
if not isinstance(obj, str):
obj = to_json(obj)
return Response(content=obj, media_type=self._mime_type)
def from_proto(self, content: 'service_pb2.Content') -> str:
return content.text
def to_proto(self, obj: Any) -> 'service_pb2.Content':
from towhee.serve.grpc import service_pb2 # pylint: disable=import-outside-toplevel
if not isinstance(obj, str):
obj = to_json(obj)
return service_pb2.Content(text=obj)
