superset api 源码

superset api 代码

文件路径：/superset/async_events/api.py

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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 logging

from flask import request, Response
from flask_appbuilder import expose
from flask_appbuilder.api import BaseApi, safe
from flask_appbuilder.security.decorators import permission_name, protect

from superset.extensions import async_query_manager, event_logger
from superset.utils.async_query_manager import AsyncQueryTokenException

logger = logging.getLogger(__name__)


class AsyncEventsRestApi(BaseApi):
    resource_name = "async_event"
    allow_browser_login = True
    include_route_methods = {
        "events",
    }

    @expose("/", methods=["GET"])
    @event_logger.log_this
    @protect()
    @safe
    @permission_name("list")
    def events(self) -> Response:
        """
        Reads off of the Redis async events stream, using the user's JWT token and
        optional query params for last event received.
        ---
        get:
          description: >-
            Reads off of the Redis events stream, using the user's JWT token and
            optional query params for last event received.
          parameters:
          - in: query
            name: last_id
            description: Last ID received by the client
            schema:
                type: string
          responses:
            200:
              description: Async event results
              content:
                application/json:
                  schema:
                    type: object
                    properties:
                        result:
                            type: array
                            items:
                              type: object
                              properties:
                                id:
                                  type: string
                                channel_id:
                                  type: string
                                job_id:
                                  type: string
                                user_id:
                                  type: integer
                                status:
                                  type: string
                                errors:
                                  type: array
                                  items:
                                    type: object
                                result_url:
                                  type: string
            401:
              $ref: '#/components/responses/401'
            500:
              $ref: '#/components/responses/500'
        """
        try:
            async_channel_id = async_query_manager.parse_jwt_from_request(request)[
                "channel"
            ]
            last_event_id = request.args.get("last_id")
            events = async_query_manager.read_events(async_channel_id, last_event_id)

        except AsyncQueryTokenException:
            return self.response_401()

        return self.response(200, result=events)

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