In this post, we will see the steps to install Django Rest Framework(DRF) on macOS.
We will install
- Python3 using brew
- Pip3
- virtualenv
- Django and Django Rest Framework inside our virtualenv
Step 1 : Install Python3 using brew
$ brew install python3
If installation goes smooth, then go to step 2. If you face any of below errors, try below solutions.
Error :
$ brew install python3 Error: The following directories are not writable by your user: /usr/local/include /usr/local/lib You should change the ownership of these directories to your user. sudo chown -R $(whoami) /usr/local/include /usr/local/lib And make sure that your user has write permission. chmod u+w /usr/local/include /usr/local/lib
Solution as given in error description :
$ sudo chown -R $(whoami) /usr/local/include /usr/local/lib $ chmod u+w /usr/local/include /usr/local/lib
Error :
$ brew install python3 Error: The following formula python cannot be installed as binary package and must be built from source. Install the Command Line Tools: xcode-select --install
Again solution suggested in error description :
$ xcode-select --install
Error:
$ brew install python3
The formula built, but is not symlinked into /usr/local Permission denied @ dir_s_mkdir - /usr/local/Frameworks
Error: Permission denied @ dir_s_mkdir - /usr/local/Frameworks
Solution :
$ sudo mkdir /usr/local/Frameworks $ sudo chown -R $(whoami) /usr/local/Frameworks/ $ brew link python
Python3 should be installed now.
$ python3 -V Python 3.7.4
Step 2 : Install Pip3 and Virtualenv
//To get pip3
$ brew postinstall python3
// Install virtualenv
$ sudo pip3 install virtualenv
Step 3 : Create a new virtual environment for our project.
Let’s call our virtual environment “venv”. You can use any name.
$ virtualenv venv -p python3
Running virtualenv with interpreter /usr/local/bin/python3
Already using interpreter /usr/local/opt/python/bin/python3.7
Using base prefix '/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7'
New python executable in /Users/hpatel/Slides/tut/repo/venv/bin/python3.7
Also creating executable in /Users/hpatel/Slides/tut/repo/venv/bin/python
Installing setuptools, pip, wheel...
done.
Above step will create venv with python3 as default python interpreter in that environment.
We can now activate venv and install our required python libs inside that virtual environment which won’t affect default python installation on machine and any other virtual environments.
Step 4 : Install Django and Django-Rest-Framework (DRF
$ source venv/bin/activate
(venv) $ python -V
Python 3.7.4
(venv) $ pip list
Package Version
---------- -------
pip 19.3.1
setuptools 45.0.0
wheel 0.33.6
(venv) $
(venv) $ pip install Django
(venv) $ pip install djangorestframework
// Good to have libraries, we won't be using in tutorial.
(venv) $ pip install markdown
(venv) $ pip install django-filter
(venv) $ pip install pygments
Step 5 : Check installation
(venv) $ pip list
Package Version
------------------- -------
asgiref 3.2.3
Django 3.0.2
django-filter 2.2.0
djangorestframework 3.11.0
Markdown 3.1.1
pip 19.3.1
Pygments 2.5.2
pytz 2019.3
setuptools 45.0.0
sqlparse 0.3.0
wheel 0.33.6
(venv) $
Library versions can be different.
In next part, we will move to create our Django Project and App before creating our REST APIs in DRF.
Note : Remember to deactivate the virtual environment by typing “deactivate” when you are not working on this project. Activate again when you start again.
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