Create requirements.txt to list of depedency libraries.
# Check latest version: https://pypi.python.org/pypi/Flask
Flask==0.12.2
Flask-SQLAlchemy==2.3
MySQL-python==1.2.5
python-dateutil==2.6.1Install virtualenv.
sudo -H pip install virtualenvCreate a virtualenv named env and activate it.
virtualenv envsource env/bin/activateInstall dependencies into lib directory.
pip install -t lib -r requirements.txtDeactivate env.
deactivatePython files to include the lib directory.
import syssys.path.append('lib')from flask import Flask