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__name__ is just a convenient way to get the import name of the place the app is defined. Flask uses the import name to know where to look ...

If the script is imported from another script, the script keeps it given name (e.g. hello.py). In our case, we are executing the script. Therefore, __name__ ...

from flask import Flask app = Flask(__name__) @app.route('/') def hello_world(): return 'Hello World’ if __name__ == '__main__': app.run() Importing flask module in the project is mandatory. An object of Flask class is our WSGI application. Flask constructor takes the name of current module (__name__) as argument. The route() function of the Flask class is a decorator, which tells the application which URL should call the associated function. app.route(rule, options)

07.09.2016 · Flask uses the import name to know where to look up resources, templates, static files, instance folder, etc. When using a package, if you define your app in __init__.py then the __name__ will still point at the "correct" place relative to where the resources are.

app = Flask(__name__) @app.route('/') def home(): return "Hey there!" if __name__ == '__main__': app.run(debug=True) In line 1 you are making available the code you need to build web apps with flask. Flask is the framework here, while Flask is a Python class datatype. In other words, Flask is the prototype used to create instances of web ...

Create a new file named main.py and enter the following code in it. flask_app/main.py from flask import Flask app = Flask(__name__) @app.route(' ...

The Application Factory¶ · app = Flask(__name__, instance_relative_config=True) creates the Flask instance. __name__ is the name of the current Python module.

Oct 27, 2021 · To bind a function to an URL path we use the app.route decorator. In the below example, we have implemented the above routing in the flask. main.py. main.py. from flask import Flask. app = Flask (__name__) @app.route ("/hello") def hello (): return "Hello, Welcome to GeeksForGeeks".

An object of Flask class is our WSGI application. Flask constructor takes the name of current module (__name__) as argument. The route () function of the Flask class is a decorator, which tells the application which URL should call the associated function. app.route (rule, options) The rule parameter represents URL binding with the function.

... put app=Flask(__name__) . For that matter I don't understand the part before where we put: if __name__=='__main__': app.run(debug=DEBUG, ...

Learn to Develop and Deploy Responsive RESTful Web Applications Using Flask Framework (English ... as follows: from flask import Flask app = Flask(__name__) ...

app=Flask(__name__,instance_relative_config=True)creates the Flaskinstance. __name__is the name of the current Python module. needs to know where it’s located to set up some paths, and __name__is a convenient way to tell it that. instance_relative_config=Truetells the app that configuration files are relative to the

Dec 15, 2020 · When you learn Flask, you are told to create your Flask application instances by passing __name__ as the first argument to the Flask class. Most developers do this without thinking, and without knowing what it achieves. In this article we are going to look at Flask(__name__) in depth. By the end you will not only have a full understanding of this pattern, but you will also know when to deviate from it and pass other values.

app = Flask(__name__, instance_relative_config=True) creates the Flask instance. __name__ is the name of the current Python module. The app needs to know where it’s located to set up some paths, and __name__ is a convenient way to tell it that. instance_relative_config=True tells the app that configuration files are relative to the instance folder.

According to the Flask documentation: If you are using a single module (as in this example), you should use __name__ because depending on if it’s started as application or imported as module the name will be different ('__main__' versus the actual import name). This is needed so that Flask knows where to look for templates, static files, and ...

In this article we are going to look at Flask(__name__) in depth. ... In the main module of the application (the file you run the Python ...

Flask constructor takes the name of current module (__name__) as argument. The route() function of the Flask class is a decorator, which tells the application ...

May 21, 2020 · app = Flask(__name__) # creates the Flask instance. __name__ is the name of the current Python module. The app needs to know where it’s located to set up some paths, and __name__ is a convenient way to tell it that. In other words: Flask is a class, as seen here: https://github.com/pallets/flask/blob/master/src/flask/app.py#L87, and you're creating one instance of that class.

... have the whole "Hello World" application in it. Our main.py content should be like this: # coding:utf-8 from flask import Flask app = Flask(__name__) ...

15.12.2020 · Flask Documentation on __name__ If you read the Flask documentation, the first argument to the Flask class is called import_name. It is described as "the name of the application package". The documentation suggests that you "usually" create the Flask instance by passing __name__ for this argument, without going into any details on why.

21.05.2020 · app = Flask (__name__) # creates the Flask instance. __name__ is the name of the current Python module. The app needs to know where it’s located to set up some paths, and __name__ is a convenient way to tell it that.