Make Sure you have NPM installed.
$ sudo easy_install pip
Install Flask
$ pip install flask
Install virtualenv (Virtual Environment Python)
$ sudo pip install virtualenv
then, Install Nose and Tornado
$ sudo pip install nose
$ sudo pip install tornado
Type
$ pip list
to make sure flask, virtualenv, nose, tornado is installed
main directory
|
|-- launch
|
|-- server
|
|-- index.py
|
|-- static
|
|-- templates
Create a virtualenv
$ virtualenv anyname
$ pip install flask
To Activate the virtualenv
$ cd launch
$ source bin/activate
To start the Python Web Server
$ cd server
$ python index.py runserver