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Setting up Flask on Mac OSX Sierra

Amulya Reddy Konda

Sep 27, 2017·3 min read

Working with pip

Before Getting started, you must first install Homebrew by running following on command line.

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"brew doctor
  1. Now, Install the latest version of Python.
  2. Any version of Python>2.7 is fine.
  3. To check the version of python that is pre-installed type the following command in the terminal. python -V
  4. Next, install pip. But you need not install it as it also comes along with packages pre-installed.
  5. Now, install virtualenv by running the following
sudo pip install virtualenv

6. Next, to install virtualenwrapper, just guess what command could it be?

sudo pip install virtualenvwrapper

But, this do not help in most of the cases and the following error comes up

Relax, we can fix it

7. Observe the error. Uninstalling six-1.4.1 failed.

sudo pip install virtualenvwrapper --ignore-installed six

8. Here you go!! Installed virtualenvwrapper successfully.

9. Now, goto

10. Create a .bash_profile file. It must contain the following.

This runs as the terminal starts.

11. Open a new Shell Window.

12. You must be seeing the following.

13. Run mkvirtualenv testenv and you must see the following.

14. You can leave your virtualenv by…

deactivate testenv

15. Observe below…

A virtual environment is set up.

Everytime you start workon testenv

16. Install Flask inside this virtualenv

pip install Flask

17. New versions use the following

virtualenv -p python3 env
. ./env/bin/activate
python3 -m pip install -r requirements.txt

18. Use python3 -m pip install packagname if pip is not correctly configured.

IT’S ALL SET…

Amulya Reddy Konda

Consultant