无法让firebase应用程序使用python的Flask部署简单的请求

Question

我有以下 main.py firebase 函数，我正在尝试使用它进行部署

firebase deploy

但是当我卷曲 firebase 端点时，我收到 404 错误：

curl -v https://us-central1-<project-id>.cloudfunctions.net/test

这是我部署的功能：

from firebase_admin import initialize_app, db
from firebase_functions import https_fn
import flask

initialize_app()
app = flask.Flask(__name__)

print("TEST APP")

@app.get('/test')
def hello_world():
    print('Hello World')
    return 'Hello, Firebase Cloud Functions with Python'

当我通过输入此命令在本地运行该函数时

flask --app main run

我能够到达此端点，但当我卷曲 firebase 端点时却无法到达。如有任何帮助，我们将不胜感激。

更新：当我进入 Google Cloud Console 时，没有显示任何功能。我想肯定是部署有问题。当我输入：

firebase -P staging deploy --only functions

我得到以下输出：

(node:25815) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
(Use `node --trace-deprecation ...` to show where the warning was created)

=== Deploying to '<progject-id>'...

i  deploying functions
i  functions: preparing codebase cancer-hacked for deployment
i  functions: ensuring required API cloudfunctions.googleapis.com is enabled...
i  functions: ensuring required API cloudbuild.googleapis.com is enabled...
i  artifactregistry: ensuring required API artifactregistry.googleapis.com is enabled...
✔  functions: required API cloudfunctions.googleapis.com is enabled
✔  artifactregistry: required API artifactregistry.googleapis.com is enabled
✔  functions: required API cloudbuild.googleapis.com is enabled
i  functions: Loading and analyzing source code for codebase cancer-hacked to determine what to deploy
 * Serving Flask app 'serving'
 * Debug mode: off

WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
 * Running on http://127.0.0.1:8081
Press CTRL+C to quit

127.0.0.1 - - [15/Nov/2024 14:55:25] "GET /__/functions.yaml HTTP/1.1" 200 -

127.0.0.1 - - [15/Nov/2024 14:55:25] "GET /__/quitquitquit HTTP/1.1" 200 -

/bin/sh: line 1: 25820 Terminated: 15          python3.11 "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/firebase_functions/private/serving.py"

i  functions: cleaning up build files...

✔  Deploy complete!

Project Console: https://console.firebase.google.com/project/cancer-hacked/overview

Answer 1

我发现我缺少使用 python 的 Flask 库让 firebase 云功能工作的功能。我必须注册 Flask 应用程序才能使用 https_fn 包装器。这是现在在执行

firebase deploy

时可以使用的代码

import firebase_admin
from firebase_admin import credentials, firestore
from flask import Flask, request
from firebase_functions import https_fn
from cancer import get_cancer

# Initialize Firebase Admin SDK
cred = credentials.Certificate("serviceAccountKey.json")
firebase_admin.initialize_app(cred)
db = firestore.client()

app = Flask(__name__)

@app.route('/test', methods=['GET'])
def test():
    print("Hello World")
    return "Hello World"

# Main entry point for Firebase Functions
#firebase_function = functions.https.on_request(app)

@https_fn.on_request()
def functions(req: https_fn.Request) -> https_fn.Response:
    with app.request_context(req.environ):
        return app.full_dispatch_request()

您可以在以下 Firebase 文档中找到更多文档：

https://firebase.google.com/docs/functions/http-events?gen=2nd

然后您可以通过访问

 curl -v https://us-central1-<project-id>.cloudfunctions.net/functions/test

来访问测试端点