Installing pyqtgraph on ubuntu

Question

What does this mean in the pyqtgraph installation description on http://www.pyqtgraph.org/: "All that is needed is for the pyqtgraph folder to be placed someplace importable."

So I donwloaded the .deb file for Ubuntu and now where should I put it?

I tried to move the .deb file into /urs/lib/python2.7 but i still get from python: "ImportError: No module named pyqtgraph"

The same if I extract the .deb file and then I move to the same location the folder I got from the extraction.

I get this if I print sys.path from python:

/usr/lib/python2.7
/usr/lib/python2.7/plat-i386-linux-gnu
/usr/lib/python2.7/lib-tk
/usr/lib/python2.7/lib-old
/usr/lib/python2.7/lib-dynload
/usr/local/lib/python2.7/dist-packages
/usr/lib/python2.7/dist-packages
/usr/lib/python2.7/dist-packages/PILcompat
/usr/lib/python2.7/dist-packages/gtk-2.0
/usr/lib/pymodules/python2.7
/usr/lib/python2.7/dist-packages/ubuntu-sso-client

What should I do? Thanks!

Federico Barabas · Accepted Answer · 2016-08-31 15:15:24Z

6

For installing pyqtgraph, I would use pip package manager instead.

Just run in the command line:

sudo apt-get install python-pip
sudo pip install pyqtgraph

answered Aug 31, 2016 at 15:15

Federico Barabas

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edwinksl · Accepted Answer · 2016-08-31 17:36:27Z

1

Using the terminal, you have to install the .deb package by first using cd to go to where the .deb package is located (probably in ~/Downloads) and then running the following command:

sudo dpkg -i python-pyqtgraph_0.9.10-1_all.deb

edited Aug 31, 2016 at 17:36

answered Aug 31, 2016 at 17:24

edwinksl

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segFaultCoder · Accepted Answer · 2016-10-23 19:13:32Z

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Yet another method: http://www.pyqtgraph.org/documentation/installation.html references adding

deb http://luke.campagnola.me/debian dev/ to your /etc/apt/sources.list file.

Afterward: sudo apt-get update and then sudo apt-get install python-pyqtgraph.

While apt-get is just a front-end for dpkg, apt-get supposedly checks dependencies. I haven't quite figured out the mechanism by which apt-get checks those dependencies, so with this being a non-standard repo link I'm not sure how well they would be checked, it gave me a warmer fuzzy to use apt-get, whether it was warranted or not. Of course lots of evidence out there for pros and cons of using pip as @Federico suggests as well.

answered Oct 23, 2016 at 19:13

segFaultCoder

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