No Module Selenium in Python 3 on a Mac

[Marc Perez]

Hi,

I am reading the third revision of the book that now uses python 3.

When i type python3 and try 

To import selenium: from selenium import webdriver

i get the following error:

ImportError: No module named 'selenium'

Has anyone set up the Django, selenium, and python3 on a mac successfully?

[contact]

I don't have experience on a mac, but did you install Selenium through PIP (installation instructions for PIP here)?

$ pip-3.3 install --upgrade selenium

[Marc Perez]

I get "$ pip-3.3: command not found" when i type in pip-3.3 install
--upgrade selenium

When I do pip --version I get:
pip 1.4 from /Library/Python/2.7/site-packages/pip-1.4-py2.7.egg (python 2.7)

I've read a lot of tutorials about installing pip-3.3 but so far none
have worked.

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[Jason Selby]

I think this is what i did:

Download and install python3 fro python.org website.  This creates a python3 in /usr/local/bin/.

Download the distribute module from pypi.org

Create a file in your home directory called .pydistutils.cfg (note the period at the beginning of the filename).
add the following two lines to it. 
[install]
user=true

These lines will cause python modules to be installed for your user only when installed with easy-install or pip, and you won't be required to use sudo.  Modules will be installed in Library/Python/ within your home directory.

unpack distribute and cd into the directory
python3 setup.py build
python3 setup.py install

I think this should get you the easy_install command Library/Python/3.3/bin/easy_install.

then:
~/Library/Python/3.3/bin/easy_install pip

~/Library/Python/3.3/bin/pip install selenium
~/Library/Python/3.3/bin/pip install django

I don't remember why I installed distribute first, except that the distribute module may be needed by pip.  You can add the path to pip to your path variable or create aliases/links to make using it easier.

[Harry Percival]

It is definitely one of the dirty little secrets of Python that, while the language itself is a charm, and the best possible thing for beginners, the installation process, particularly of the packages manager, is a total nightmare.

My recommendation would be to install homebrew -- I'm no mac expert, but it seems pretty indispensable if you want to get any proper development done on a mac.  Once you have that installed and configured properly  (its site has good instructions, but you need to get xcode installed too), then installing things becomes as simple as "brew install"

brew install python3

I *believe* gives you python 3 *and* pip-3.3

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[Jason Selby]

Sorry, that should be pypi.python.org.  It's the python package index.

[Marc Perez]

Hi Jason,

Thank for the help. I tried to install everything but it didn't work.

[Vic Simeone]

It looks like you're close if you have pip 1.4.1 installed because there isn't a version 3.3. However, it looks like PIP is installed against python 2.7. After my first reply to this post I tried installing PIP on a new machine and remembered how confusing it was. Read on for my procedure and some observations. 

Following the PIP installation instructions did work for me on Ubuntu 12.04:

$ wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py

$ sudo python3 ./ez_setup.py

$ wget https://raw.github.com/pypa/pip/master/contrib/get-pip.py

$ sudo python3 ./get-pip.py

$ whereis pip

pip: /usr/local/bin/pip

 

$ ls -l /usr/local/bin/pip*

-rwxr-xr-x 1 root root 282 Sep  9 10:13 /usr/local/bin/pip

-rwxr-xr-x 1 root root 290 Sep  9 10:13 /usr/local/bin/pip-3.2

 

$ /usr/local/bin/pip --version

pip 1.4.1 from /usr/local/lib/python3.2/dist-packages (python 3.2)

$ /usr/local/bin/pip-3.2 --version

pip 1.4.1 from /usr/local/lib/python3.2/dist-packages (python 3.2) 

$ sudo pip-3.2 install --upgrade selenium

...

 

Notes & things that confuse me:

• You must install these scripts using python 3
  
• Your version of pip will be 1.4.1
  
• You reference pip by Python version, not pip version - so in my case : $ pip-3.2 install --upgrade selenium because I have Python 3.2
  
• I have no idea why /usr/bin/pip and pip-3.2 are different binaries... when I do pip* --version you see they both reference python 3.2
  

[Harry Percival]

Thanks for trying Vic, but installing stuff on a mac really isn't as easy as it is on Linux.

My recommendation is to use homebrew, if you're on a mac.  Install homebrew, configure it (it will prompt you at the command line after you install it), get xcode from the app store, and then you're good to go with

    brew install python3

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[Harry Percival]

I've added an extra "macOs notes" box to the installation instructions.  What do you guys think?

http://chimera.labs.oreilly.com/books/1234000000754/pr01.html#_required_software_installations

[Jonathan Sundqvist]

I've definitely had my fights my python installs. Gettings things to work the way you want it has sometimes been an utter frustration. But installing python3 via brew works great and I couldn't recommend it more.

That said, rather than using 'pip-3.3' I use only 'pip3'. For some reason pip-3.3 doesn't work and I'm not going to figure out why. :) Pip3 works and I'm happy.

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