Python 3 is the latest major version of Python, a scripting language used my very many open source developers.

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79
votes
8answers
221k views

How do I install Python 3.3?

I have downloaded Python 3.3 from the official site but no idea how to install it. I'm using Ubuntu 12.04
29
votes
7answers
152k views

How to install Python 3.4 on Ubuntu?

If I open Terminal and type in python, I see the version is 2.7.4. How do I get python 3.4? And do I need IDLE if I have sublime text?
23
votes
5answers
44k views

How to install pip for python 3 in ubuntu 12.04 LTS

I am trying to install the Pillow module for python 3.3, but for that I need to install pip. Every time that I install pip it installs for python 2.7, any help?
3
votes
3answers
534 views

Python 3 error when running the print command

All I wrote in the interpreter was as follows: >>> print "Hello, World!" File "<stdin>", line 1 print "Hello, World!" ^ SyntaxError: invalid syntax How ...
8
votes
1answer
1k views

What is python3mu?

I'm setting up PyDev for Eclipse, and I have to choose a version of Python for the interpretor. I want to use Python3, and I've been using python3 as my interpretor, so I thought /usr/bin/python3 ...
37
votes
5answers
38k views

Make default `python` command to use Python 3

I can access Python 3 via python3 command. But I want to make the default interpreter to use python command for Python 3. Simple typing python takes me to Python 2. How to upgrade?
25
votes
3answers
10k views

pyvenv-3.4 error: returned non-zero exit status 1

When trying to create a virtual environment using the included pyvenv-3.4 that comes with 14.04, it throws an error: Error: Command '['/some/directories/bin/python3.4', '-Im', 'ensurepip', ...
31
votes
2answers
26k views

'unsupported locale setting' fault by command-not-found

I recently installed Ubuntu 12.10 by keeping the home folders from Linux Mint 13 distribution. The system installed fine, but at the beginning everything was in Chinese (even the text in the ...
6
votes
1answer
7k views

How to create Excel xlsx files from a script?

I'm looking for packages available in Ubuntu main/universe repositories able to create Excel 2007+ xlsx files from a script (python or perl) My requirements: 100% compatible Excel XLSX files. Solid ...
3
votes
1answer
4k views

Install Pillow for Python 3

What's the best way to install Pillow for Python 3?
3
votes
2answers
993 views

How to create a deb package for a python3 script?

I have one Python file, main.py. I would like to be able to make a .deb package from it, and then be able to run main.py by typing the package name from the terminal. It is written in Python 3, so the ...
3
votes
3answers
9k views

Need to have 2 versions of Python without using a VM

I need to have 2 versions of Python installed on my PC. The first must be the latest version in order to use youtube-dl, and the second must be the 2.7 version for a course that says we must not ...
2
votes
2answers
1k views

Problems upgrading to Python 3.3 and setting up Django

I'm new to Linux and am trying to set up Python / Django on my machine! I installed Python 3.3 from the source file and it was compiled into /usr/local/bin. Then I created a symbolic link between ...
5
votes
2answers
5k views

12.10 has Python 3.2.3 default, does this impact existing python tools?

Ubuntu 12.10 has Python 3.2.3 default, so does this impact existing python tools, designed to be used with older python 2.x? There was a discussion in HackerNews on the same. I'm a bit apprehensive ...
3
votes
1answer
11k views

Installation procedure for numpy and other python-3.4 packages on ubuntu 14.04

I am new to ubuntu and installed ubuntu 14.04 32 bit on my LENOVO hinkpad T410 machine with windows 7 two days ago but since then trying download and install python-3.4 packages (NUMPY, SCIPY) on ...
2
votes
2answers
3k views

Installing Python 3.4 from source

I am running Xubuntu 13.10 i386 with the python (2.7) and python3 (3.3) packages installed. I have downloaded and compiled the source code for Python 3.4 but the binary file is named python. How can I ...
5
votes
2answers
3k views

Changing Python default in 12.04 LTS

I have downloaded and installed python 3.2.3 for Ubuntu/Debian. Also IDLE IDE for 3.2.3. If I execute IDLE for 3.2.3 explicitely, 3.2.3 runs under IDLE and all is well. But if I go to a terminal ...
1
vote
1answer
1k views

How to install sympy for Python 3.4

I installed the Python scipy stack using the following command taken from here sudo apt-get install python-numpy python-scipy python-matplotlib ipython ipython-notebook python-pandas python-sympy ...
1
vote
2answers
9k views

Install Python 3.3.2 on Ubuntu

How to update to Python 3.3.2 in Ubuntu? I tried sudo apt-get install python3 but it says that the current (3.3.1) is already the latest.
0
votes
2answers
377 views

Is it okay to mess around with Python that comes with Ubuntu?

I've just installed Ubuntu 14.04 LTS and am new to Linux. I know that Ubuntu 14.04 LTS comes with Python 3.4.0. Is it okay if I install pip3 and install packages (e.g. django, numpy, etc.) on it? Can ...
24
votes
5answers
53k views

How to create a virtualenv with Python3.3 in Ubuntu?

I'm running Precise Pangolin amd64. I installed Python 3.3 from ppa:fkrull/deadsnakes. Now I want to actually use this new Python version in a virtualenv. But How can I do this? I get the following ...
17
votes
3answers
13k views

How can I install Django for Python 3.x?

I installed Django with this command: sudo apt-get install python-django And it installed version 1.5.4-1ubuntu1. The Django docs say that as of version 1.5, Django supports Python 3. Yet when I ...
8
votes
1answer
5k views

“libpeas-WARNING **: Could not find loader 'python3' for plugin” when loading a pluging in gedit

I recently upgraded to Ubuntu 13.04 and I use gedit for a lot of things. I was trying to install some plugins that I use quite frequently and I came into some issues. First I installed the plugins ...
6
votes
2answers
65k views

How to find python installation directory on ubuntu

I have just migrated from Windows environment. I have installed Python 3.2 in a separate directory. How can I get the python installation path on ubuntu shell ? Is there any way I can let shell ...
5
votes
2answers
1k views

Take screenshots at random intervals with Python?

I am working on a project to take screenshots of desktop and upload images to a server I want to develop a python app, when user starts that app it will start taking screenshots in random interval ...
3
votes
1answer
2k views

Unable to import tkinter?

I am studying Python and tried to make GUI using python.I am using IDLE 3.2 on 12.04 Ubuntu.When i typed import Tkinter, a error comes, it says following: Traceback (most recent call last): File ...
3
votes
1answer
8k views

Install and run Python 3 at the same time than Python 2

Im using 13.04 but I want have installed the both main Python versions for make tests about migration of my actual code. is possible install Python 3 in the same machine running Python 2.7? I need ...
4
votes
1answer
3k views

What's the easiest way to get vim with python 3 support?

I have ubuntu 14.04 installed and vim in its repos is compiled without python 3 support. Because of that python-mode plugin can't work with python 3 code. What's the easiest way to get vim with python ...
3
votes
1answer
297 views

how to use python3 shortcuts on emacs?

I am new to emacs and I am trying to set python3 as default interpreter. I have installed from software centre the python plugin for emacs. I can run a python3 file going to pyexec-->execute ...
3
votes
1answer
959 views

installing numpy for python 3.1.2 on Ubuntu 10.04

I have installed numpy for python 2.6.5. I want to use it for python 3.1.2 and I don't know how to install it. I'm new to ubuntu and I don't know how to install it from tar file. I am using Geany for ...
1
vote
0answers
117 views

If you install anaconda, how can you inactivate the anaconda environment?

I'm currently using Anaconda to get access to a "standard" set of packages on nearly any platform. The issue is, on the linux side of the house, my current approach is to tell the installer to ...
1
vote
1answer
4k views

unable to install/import tkinter

I got a pretty confusing Problem: I build a python program using tkinter. Then I dist-upgraded my ubuntu 13.10 (amd64) to ubuntu 14.04 LTS, now I tried to run my tkinter program. my compiler told me ...
1
vote
1answer
4k views

I want to uninstall Python3 and just use 2.7

I typed in this to the terminal: sudo apt-get remove python3 And it gave me the following output: Reading package lists... Done Building dependency tree Reading state information... Done ...
1
vote
1answer
733 views

how to purge python 3.3 and install python 2.7.4

I'm in complete trouble with my Ubuntu 13.04 distro. Today I wanted to try python 3.3, I compiled it and installed from source. It broke my system, many packages wait for apt-get remove cmmand. I ...