text: # -*- encoding: utf-8 -*-
  #
  # Copyright © 2020 Mergify SAS
  #
  # 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 fastapi
  from starlette import responses
  from starlette.middleware import cors
  
  from mergify_engine import rules
  
  
  app = fastapi.FastAPI()
  app.add_middleware(
      cors.CORSMiddleware,
      allow_origins=["*"],
      allow_credentials=True,
      allow_methods=["*"],
      allow_headers=["*"],
  )
  
  
  @app.post("/")
  async def config_validator(
      data: fastapi.UploadFile = fastapi.File(...),
  ):  # pragma: no cover
      try:
          rules.UserConfigurationSchema(await data.read())
      except Exception as e:
          status = 400
          message = str(e)
      else:
          status = 200
          message = "The configuration is valid"
  
      return responses.PlainTextResponse(message, status_code=status)
  