我试图在Visaul Studio代码中使用lambda(python)的调试函数。我在遵循AWS文档上的说明,但是我无法在调试模式下触发python应用程序
请看看你是否知道这个问题,如果我有任何设置错误,谢谢
应用程序似乎未在指定的调试端口上启动
无法访问终结点,并且未输入python应用程序
如果通过端口3000访问,应用程序可以成功完成
这基本上只是python的官方helloworld示例
import json
# import requests
import ptvsd
# Enable ptvsd on 0.0.0.0 address and on port 5890 that we'll connect later with our IDE
ptvsd.enable_attach(address=('localhost', 5890), redirect_output=True)
ptvsd.wait_for_attach()
def lambda_handler(event, context):
"""Sample pure Lambda function
Parameters
----------
event: dict, required
API Gateway Lambda Proxy Input Format
Event doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html#api-gateway-simple-proxy-for-lambda-input-format
context: object, required
Lambda Context runtime methods and attributes
Context doc: https://docs.aws.amazon.com/lambda/latest/dg/python-context-object.html
Returns
------
API Gateway Lambda Proxy Output Format: dict
Return doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html
"""
# try:
# ip = requests.get("http://checkip.amazonaws.com/")
# except requests.RequestException as e:
# # Send some context about this error to Lambda Logs
# print(e)
# raise e
return {
"statusCode": 200,
"body": json.dumps({
"message": "hello world",
# "location": ip.text.replace("\n", "")
}),
}
launch.json
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "Python: Current File",
"type": "python",
"request": "launch",
"program": "${file}",
"console": "integratedTerminal"
},
{
"name": "SAM CLI Python Hello World",
"type": "python",
"request": "attach",
"port": 5890,
"host": "localhost",
"pathMappings": [
{
"localRoot": "${workspaceFolder}/hello_world/build",
"remoteRoot": "/var/task"
}
]
}
]
}
我似乎是在“python调试/hello_-world/build”中按照文档的指导方针编辑python文件(文档中有一个步骤要求您将python文件复制到“python调试/hello_-world/build”)
但是,当您运行“sam local start api”时,它实际上会在CloudFormation模板(tempalted.yaml)指定的位置运行python文件,该模板位于“python调试/hello_world”(检查“CodeUri”属性)
当我将所有库文件移动到与python文件相同的文件夹中时,它就工作了
因此,我假设您必须确保正在运行哪个python(或lambda)脚本,并确保库与python脚本一起运行(如果您不使用层)
文件夹结构
在Visual studio代码中进入调试模式
步骤1:调用并启动本地API网关
步骤2:发送测试请求
步骤3:收到请求,lambda已触发,在Visual Studio代码中挂起激活调试模式
步骤4:触发Lambda函数,在Visual Studio代码中进入调试模式
在IDE中,打开“运行”透视图,选择此文件的启动配置(“SAM CLI Python Hello World”)。启动调试
步骤5:逐步完成函数,返回响应
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