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Why Flask is fun!

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Alan Hamlett

on 5 November 2014

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Transcript of Why Flask is fun!

Alan Hamlett
* Founder & CTO, WakaTime (wakatime.com)
* Full stack dev
* @alanhamlett on GitHub & Twitter
Flask is Simple
from datetime import datetime
from flask import Flask, request, jsonify

app = Flask(__name__)

def index():
data = {
"current_time": datetime.now().strftime("%I:%M %p %a %b %d %Y"),
"url_args": request.args,
"user_agent": request.headers.get('User-Agent'),
"ip_address": ','.join(request.access_route),
return jsonify(data=data)

if __name__ == "__main__":
Running Flask
virtualenv venv
source venv/bin/activate
pip install Flask
python hello.py
* Running on http://localhost:5000/
Your Flask Website
Flask Meets Your Needs As You Scale
* BluePrints

* Extensions
What's Flask?
Why Flask is fun!
* helps you build a Python website

* wraps a web server and template engine

* as simple as you want

* as scalable as you want
Flask-Admin ( admin interface )

Flask-Login ( user auth )

Flask-SQLAlchemy ( database ORM )

WTForms & WTForms-JSON ( user-input validation )

Alembic ( database schema migrations, like South )

Flask-SeaSurf ( CSRF protection )

jinja-assets-compressor ( compress static files )

Flask-Mail ( send email easily )

Flask-Script ( command line scripts )
Find this online at http://bit.ly/1x5ckio
Full transcript