Flask Tutorials

About

This Flask Tutorial series uses Python3.6

Prerequsites

• python3.6
• virtualenv
• pip

Create virtual environment.

virtualenv -p `which python3` .venv

Fetch requirements from pip

pip freeze > requirements.txt

Install requirements.txt

pip install -r requirements.txt

Run the server

python hello.py

Some CLI commands we used

curl -XGET http://127.0.0.1:9500/f_to_c/%20105%20 curl -XPOST http://127.0.0.1:9500/f_to_c/

telnet 127.0.0.1 9500
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
POST /f_to_c/ HTTP/1.0
Host: 127.0.0.1:9500
Content-Length: 3

105
HTTP/1.0 200 OK
Content-Type: text/html; charset=utf-8
Content-Length: 20
Server: Werkzeug/0.14.1 Python/3.6.5
Date: Mon, 18 Jun 2018 07:42:42 GMT

This is POST RequestConnection closed by foreign host.

Warning

Please don't use pdb or ipython or ipdb in requirements.txt file

Some important links

• http://flask.pocoo.org/docs/0.12/api/
• http://docs.python-requests.org/en/master/user/quickstart/#custom-headers
• https://en.wikipedia.org/wiki/JSON