In this post I’ll cover setting up a virtual environment in Python 2.7 in preparation for working out a RESTful app in Flask.
So, I’ll assume you’re running a Debian flavor of Linux. You’ll need
curl, so if you don’t already have that, run the following from the command line:
sudo apt-get install curl
curl, you can install
curl --silent --show-error --retry 5 https://bootstrap.pypa.io/get-pip.py | sudo python2.7
pip, you can install
sudo pip install virtualenv
Now, we’re good to go.
Creating a Virtual Environment
First create a directory to hold your virtual environments.
Next, create a virtual environment by specifying the root directory of that environment. By default, no
site-packages are installed.
This creates a virtual environment in
./venvs/one/. To activate this environment, use the command,
This will change your command line to reflect that you are working in a virtual environment. To get out of the virtual environment, execute the following:
Seeing What is Installed
To see what is installed in your virtual envrionment, use the
yolk utility. First install using
sudo apt-get install yolk
And then use the following from inside the virtual environment to see what you have installed.