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How to install verify and list all Python modules using pip package manager

(Last Updated On: September 24, 2014)

How to install verify and list all Python modules using pip package manager

Wow I wish there was an easier way like through a GUI but that is why I like my IDEs but I do think this is installed as patr of the IDEs I use. Ugh.

This seems to work with what I type below but note I am not using this Cygwin Linux like stuff.

See below before running installer EXEs from this site!
Note: i am using Windows 8.1

To install Numpy and Vispy, use the installers for Windows with proper configuration (I use Python 2.7 64 bit versions)
http://stackoverflow.com/questions/11200137/installing-numpy-on-64bit-windows-7-with-python-2-7-3
which refers you to
http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy

Run the proper EXE installers

Also, to run PIP use http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows

https://pip.pypa.io/en/latest/installing.html

To install or upgrade pip, securely download get-pip.py. [1]

Then run the following (which may require administrator access):

python get-pip.py

Hooray, this works off the Windows Command Prompt.

As for install of various packages, this link raises the hair behind my neck
http://stackoverflow.com/questions/2436731/does-python-have-a-package-module-management-system

Wow! What crap this thing is at this current state!

As per this http://stackoverflow.com/questions/2436731/does-python-have-a-package-module-management-system
On the Windows Command Prompt, this appears to work: pip install httpie
***Do not run within the Python interpreter at all.

As in:

C:\Users\Bryan\Documents\Python Scripts\vispy-master>pip install httpie
Downloading/unpacking httpie
Requirement already satisfied (use –upgrade to upgrade): Pygments>=1.5 in c:\us
ers\bryan\appdata\local\enthought\canopy\user\lib\site-packages (from httpie)
Requirement already satisfied (use –upgrade to upgrade): requests>=2.0.0 in c:\
users\bryan\appdata\local\enthought\canopy\user\lib\site-packages (from httpie)
Installing collected packages: httpie
Successfully installed httpie
Cleaning up…

I tried: pip install numpy
which seemed to run ok.

same withL pip install pandas

It returns a message ‘Requirement already statisfied.’

Same with: pip install matplotlib

I am on to something with luck in mind??? Evehelpn succesful with: pip install vispy

Just to verify that things were not just luck, I tried: pip install vsds
I got red messages that it could not satisfy the requirement so it seems to work ok

Were these because of the installer EXEs I ran from http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy

To list all the modules with the help of http://blog.revathskumar.com/2011/10/python-list-all-packages-installed.html
I revealed that all fo them using: pip freeze

I could even verify this works:
You can use help function in python to get the list of modules installed. Get into python prompt and type the following command.

help(“modules”)

 

ALso, note:

I tried all the above and nothing worked for me.

This solved all my problems.

pip install -U numpy

pip install -U scipy

done.

From http://stackoverflow.com/questions/2213551/installing-scipy-with-pip

Holy..am I a Python expert now?

Note: I tried one of the Python scripts for vispy but could not go anywhere, http://vispy.org/examples/basics/scene/surface_plot.html
WTF? So I am trying Anaconda IDE from http://continuum.io/downloads

Join my FREE newsleter to learn more how I proceed with this language

 

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