Django for Designers/Laptop setup/OSX virtualenv

Test if you have the required tools
In this step, we test if you have the virtualenv tool.

Take this moment to open up a command prompt. Enter the command:

virtualenv --help

You should see a help message that looks something like this:

Usage: virtualenv [OPTIONS] DEST_DIR

Options: --version            show program's version number and exit

If you don't see that friendly message, download virtualenv.py from here:


 * virtualenv.py

and save it inside the 'django-for-designers' folder.

Navigate to the django-for-designers folder
Open a command prompt, and use the cd command to find the 'django-for-designers' folder.

You can use the ls command to list the folder. Run this command:

ls

and make sure you see a requirements.txt file.

Create a virtualenv
A virtualenv is a limited Python environment that permits you to install whatever Python code you like without impacting other Python programs.

First, we will have to create the virtualenv. In your command prompt, type this command. The . at the end does matter, so be sure to type it!

virtualenv.

If you get a command not found error, type this instead:

python virtualenv.py.

Eventually you will get your prompt back.

Activate the virtualenv
When you activate a virtualenv, it gives you access to the Python code within the virtualenv. (By contrast, your system Python does not have access to the code within the virtualenv.)

Run this command:

source bin/activate

You should see your command prompt change to say django-for-designers; that is how you know you have it activated.

Install the requirements
You need to use the pip package manager within your virtualenv to install all the code required to have a successful tutorial. To do that, first make sure your command prompt has the virtualenv activated.

Then run:

pip install -r requirements.txt

This will run for a few minutes, downloading code. Eventually, you will get your prompt back. Success!

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