the flask configuration will then prompt you for the application location, which must be given exactly as you set it in the flask app environment variable. Very conveniently flask is one of the list options, so select that. i used flask as a framework and visual studio code as ide.you will find code at github. In this video explained how to debug python web application. In this tutorial we will see how to debug a flask python application using visual studio code ide.if you want to read through, here is the detailed articulat.

Python In Visual Studio Code October 2020 Release Python one is to open a file which can be debug or run. as we are performing this task for the first time, we will be allowed to choose among two options. it is to run the flask app in debug mode. Configure environment for debugging flask app with vs code ide in the vs code ide, hit the keys ctrl shift d. now click on the “create a launch.json file” link and when prompted to “select a debug configuration” choose “python file debug the currently active python file”.

If you click on the “run and debug” icon on the left hand side of the ide or alternatively type ctrl shift d you will see the “run and debug” window. local computer: start the vs code debugger using the modified python: attach configuration and the start debugging button. local computer: set a breakpoint in the code where you want to start debugging. Local computer: switch to the run and debug view ( ctrl shift d) in vs code, select the python: attach configuration. scroll down to the 'flask' section: a) change 'program' value to '$ run.py' (or whatever your main entry point file is'. Update the launch.json file in visual studio code by browsing to the debug tab (left pane), and then click on the settings icon (gear icon). the launch.json file contains a number of debugging configurations, each of which is a separate json object within the configuration array. select flask from the dropdown and vs code will populate a new launch.json file with a flask run configuration. Select the link and vs code will prompt for a debug configuration. 'pythonPath': '$/venv/bin/python2.7', (If your virtual environment is named something other than venv then replace it with the appropriate value.Debug Your Flask Python Web Application Using Visual Studio Code A

Here is my configuration for Flask 0.12, Python 3.6, and Visual Studio Code 1.20 // File 'launch.json'

Visual studio code debug flask