Flask global variable

Mar 09, 2019 · Flask: Using a global variable to load data files into memory Time: Mar 9, 2019 flask python I have a large XML file which is opened, loaded into memory and then closed by a Python class. It's not to do with global variables. It's because, on PythonAnywhere, we import your code, we don't run it directly, so we don't execute anything inside the __name__ = __main__ clause. and that's a good thing, because calling app.run() on pythonanywhere would be bad Dec 10, 2016 · The objective of this post is to explain how to create a simple "Hello world" application with Python and Flask. Introduction Flask is a web micro framework for Python [1] which allows us to create and deploy simple web applications very easily. Variables Reference. Visual Studio Code supports variable substitution in Debugging and Task configuration files as well as some select settings. Variable substitution is supported inside key and value strings in launch.json and tasks.json files using ${variableName} syntax.