小能豆

如何使用 Azure HTTPTrigger 函数中的“EventGridPublisherClient”修复 ImportError?

Python

谁能帮我解决以下错误:

结果:失败异常:ImportError:无法从“azure.eventgrid”导入名称“EventGridPublisherClient”

这是 HTTPTrigger 的代码:

import os
import logging
from azure.core.credentials import AzureKeyCredential
from azure.eventgrid import EventGridPublisherClient, EventGridEvent
import azure.functions as func

def main(req: func.HttpRequest) -> func.HttpResponse:
    logging.info('Python HTTP trigger function processed a request.')

    # Parse request body
    #req_body = req.get_json()

    # Get Event Grid topic endpoint and key from environment variables
    topic_endpoint = os.environ.get('EVENT_GRID_TOPIC_ENDPOINT')
    topic_key = os.environ.get('EVENT_GRID_TOPIC_KEY')


    # Create Event Grid publisher client
    credential = AzureKeyCredential(topic_key)
    client = EventGridPublisherClient(topic_endpoint, credential)

    # Create an event
    event = EventGridEvent(
        event_type="MyCustomEventType",
        subject="MyCustomSubject",
        data={
            "message": "Hello, Event Grid!"
        },
        data_version="1.0"
    )

    # Publish the event
    client.send(event)

    # Return a response
    return func.HttpResponse("Event published to Event Grid topic.", status_code=200)

requirements.txt 看起来像这样:

urllib3
uplink
requests
azure-functions
azure
azure-eventgrid
azure-core

在本地运行工作正常,但当我部署到 Azure 时,出现上述错误。我在兜圈子,似乎找不到任何有用的信息来帮助解决这个问题。有人有想法吗?


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2023-05-29

共1个答案

小能豆

我尝试使用以下代码部署 Azure Function HTTP Trigger,它成功了。

Code:

import os
import logging
from azure.core.credentials import AzureKeyCredential
from azure.eventgrid import EventGridPublisherClient, EventGridEvent
import azure.functions as func

def main(req: func.HttpRequest) -> func.HttpResponse:
    logging.info('Python HTTP trigger function processed a request.')

    topic_endpoint = os.environ.get('EVENT_GRID_TOPIC_ENDPOINT')
    topic_key = os.environ.get('EVENT_GRID_TOPIC_KEY')

    credential = AzureKeyCredential(topic_key)
    client = EventGridPublisherClient(topic_endpoint, credential)

    event = EventGridEvent(
        event_type="MyCustomEventType",
        subject="MyCustomSubject",
        data={
            "message": "Hello, Event Grid!"
        },
        data_version="1.0"
    )

    client.send(event)
    return func.HttpResponse("Event published to Event Grid topic.", status_code=200)

local.setting.json:

{
  "IsEncrypted": false,
  "Values": {
    "AzureWebJobsStorage": "<your-storage-account-connection-string>",
    "FUNCTIONS_WORKER_RUNTIME": "python",
    "EVENT_GRID_TOPIC_KEY": "<your-event-grid-topic-key>",
    "EVENT_GRID_TOPIC_ENDPOINT": "<your-event-grid-topic-endpoint>"
  }
}

requirement.txt:

azure-functions
azure-eventgrid==4.0.0
azure-core>=1.18.0

我在 Azure 门户的Configuration functionapp的Application.settings中添加了EVENT_GRID_TOPIC_ENDPOINTeventgridtopickey ,

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运行上面的代码并得到以下结果:

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使用上面的URL,我可以在浏览器中看到如下输出,

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然后,我将上面的代码部署到functionapp,如下所示,

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选择要部署的功能应用程序,

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点击Delpoy选项,

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HTTP触发函数部署成功,点击查看输出

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输出显示HTTP 触发器函数已成功部署functionapp,如下所示,

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成功部署Azure 门户中的functionapp,如下所示,

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2023-05-29