[英]'logger_name' missing when enabling cors in my python app using flask
我試圖讓 CORS 工作。 一種解決方法有效,但不適用於所有 api。 所以我想有正常的工作方式。 現在讓我在這里停留了一段時間。 我嘗試像這樣初始化 CORS :
flask_app = Flask(__name__)
CORS(flask_app)
這給了我以下錯誤:
return logging.getLogger("%s.cors" % app.logger_name) AttributeError: 'Flask' object has no attribute 'logger_name'
完整的錯誤是:
2021-12-18 16:30:57 default[20211218t172924] Traceback (most recent call last):
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/gunicorn/arbiter.py", line 589, in spawn_worker worker.init_process()
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/gunicorn/workers/base.py", line 134, in init_process self.load_wsgi()
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/gunicorn/workers/base.py", line 146, in load_wsgi self.wsgi = self.app.wsgi()
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/gunicorn/app/base.py", line 67, in wsgi self.callable = self.load()
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/gunicorn/app/wsgiapp.py", line 58, in load return self.load_wsgiapp()
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/gunicorn/app/wsgiapp.py", line 48, in load_wsgiapp return util.import_app(self.app_uri)
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/gunicorn/util.py", line 412, in import_app app = app(*args, **kwargs)
File "/workspace/app.py", line 38, in get_flask_app CORS(flask_app)
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/flask_cors/extension.py", line 59, in __init__ self.init_app(app, **kwargs)
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/flask_cors/extension.py", line 81, in init_app getLogger(app).info("Configuring CORS with resources: %s", resources_human)
File "/layers/google.python.pip/pip/lib/python3.8/site-packages/flask_cors/core.py", line 356, in getLogger
return logging.getLogger("%s.cors" % app.logger_name) AttributeError: 'Flask' object has no attribute 'logger_name'
當我刪除 CORS(flask_app)時,一切都很好。 除了我想修復的 CORS 問題。
這是我完整的 app.py:
# flask packages
from flask import Flask, request, app
from flask_cors import CORS
from flask_restful import Api
from flask_mongoengine import MongoEngine
from flask_jwt_extended import JWTManager
import logging
# local packages
from api.routes import create_routes
# external packages
import os
# default mongodb configuration
default_config = {'MONGODB_SETTINGS': {
'db': '(....)',
'host': '(....)',
'port': 27017,
'username': 'admin',
'password': 'password',
'authentication_source': 'admin'},
'JWT_SECRET_KEY': '(...)'}
def get_flask_app(config: dict = None) -> app.Flask:
"""
Initializes Flask app with given configuration.
Main entry point for wsgi (gunicorn) server.
:param config: Configuration dictionary
:return: app
"""
# init flask
logging.getLogger('flask_cors').level = logging.DEBUG
flask_app = Flask(__name__)
CORS(flask_app)
# configure app
config = default_config if config is None else config
flask_app.config.update(config)
# load config variables
if 'MONGODB_URI' in os.environ:
flask_app.config['MONGODB_SETTINGS'] = {'host': os.environ['MONGODB_URI'],
'retryWrites': False}
if 'JWT_SECRET_KEY' in os.environ:
flask_app.config['JWT_SECRET_KEY'] = os.environ['JWT_SECRET_KEY']
# init api and routes
api = Api(app=flask_app)
create_routes(api=api)
# init mongoengine
db = MongoEngine(app=flask_app)
# init jwt manager
jwt = JWTManager(app=flask_app)
return flask_app
if __name__ == '__main__':
# Main entry point when run in stand-alone mode.
app = get_flask_app()
app.run(host='0.0.0.0', port=8080)
使用谷歌雲平台。 這可能是我問題的關鍵嗎? 我的 app.yaml 是:
runtime: python38
entrypoint: gunicorn -b :$PORT 'app:get_flask_app()'
我會嘗試看看本地發生了什么,也許在這里更容易解決。 在這里重新輸入問題時正在考慮。
已經更新了我的 Flask-Cors (flask-cors)。 嘗試了很多東西,沒有任何效果,因此提出了這個問題。
非常感謝您的幫助/謝謝!
添加這部分:
Flask.logger_name = "listlogger"
最終為我解決了。 現在它能夠找到 logger_name。 該列表記錄器只是一個隨機名稱。
我在打開應用程序 + CORS(app) 之前添加了它:
Flask.logger_name = "listlogger"
flask_app = Flask(__name__)
CORS(flask_app)
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