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Running Flask

Description

This document describes how to include flask in your project.

Steps

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$ mkdir python-project
$ cd python-project
$ python3 -m venv .venv
$ source .venv/bin/activate
$ pip3 install flask
$ pip3 install flask-sqlalchemy
$ pip3 freeze > requirements.txt
$ touch application.py
$ export FLASK_APP=application.py
$ export FLASK_ENV=development

Example application.py contents:

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from flask import Flask

app = Flask(__name__)

@app.route('/')
def index():
    return "Hello!"

Run flask

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flask run