Python is an interpreted, general-purpose high-level programming language whose design philosophy emphasizes code readability.

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3
votes
1answer
1k views

Can I upgrade to a new version of Python on an old version of Ubuntu?

I have Ubuntu 8.04.3 LTS and ran this: $ sudo apt-get install python2.7 I got this: Reading package lists... Done Building dependency tree Reading state information... Done E: Couldn't find ...
2
votes
1answer
91 views

readline - why does does it only do carriage return and not a line feed when reaching end of line?

I developped a python application that uses the cmd module to make an interactive command-line interface. This cmd module uses readline for command-line management: completion, history... My issue ...
3
votes
1answer
86 views

How to catch mount events on Linux?

I want to somehow get notified if a mount or unmount occurs for a USB drive. At the moment I use udev and then wait for x seconds for a new entry in /proc/mounts. This works ok if the mounting is ...
17
votes
3answers
2k views

Why is coreutils sort slower than Python?

I wrote the following script to test the speed of Python's sort functionality: from sys import stdin, stdout lines = list(stdin) lines.sort() stdout.writelines(lines) I then compared this to the ...
-3
votes
1answer
553 views

What does PIP stand for? [closed]

What does pip stand for? Does it stands for Python Package Installer? No, I don't think so, it is PPI
1
vote
1answer
62 views

Pyajam in debian 7

I'm trying to make the installation package python Pyajam I tried to install for pip, I received an error 4Suite-XML package $ pip install Pyajam Installing collected packages: pyajam, 4Suite-XML ...
1
vote
1answer
140 views

How can I modify a python shared object (.so) file?

I have a python code (Running on a raspbian OS) which reads the value of a joystick axis and then sends the value to an arduino. At the start of the code I have typed: import pygame I can then use ...
2
votes
2answers
128 views

Cron job not behaving as expected

So I have a python script that pulls down git/svn/p4 repositories and does some writing to a database. I'm simply trying to automate the running of this script and based from what I see in syslog it ...
1
vote
0answers
223 views

Startup commands in /etc/rc.local won't work

I have a Python program and an nginx/uwsgi/django web setup. I want the program to start with the system, as well as the web server. Here's my /etc/rc.local: crawler_dir=/home/mohammed/git/crawler ...
0
votes
0answers
276 views

python error using an executable with Z shell

I'm getting this error from the Unix Z shell (I'm on Mac): python: posix_spawn: /System/Library/Frameworks/Python.framework/Versions/2.6/Resources/Python.app/Contents/MacOS/Python: No such file or ...
2
votes
1answer
137 views

Why is my pip-installed Python script not executable for everyone?

In my Vagrant instance: vagrant@archlinux:~$ sudo pip2 install vcard Downloading/unpacking vcard Downloading vcard-0.9.tar.gz Running setup.py (path:/tmp/pip_build_root/vcard/setup.py) egg_info ...
0
votes
1answer
64 views

Installing Python without package manager

I need to install Python 2.7.x on a TI Sitara ARM processor (based on the BeagleBone Black) running a minimal custom version of Linux. In particular, the OS does not have any package manager, no gcc, ...
1
vote
0answers
80 views

Hotmail not receiving emails from a script, but works from the server

I have a working mail server running Debian stable, the following elements are working. SPF DKIM rDNS My IP is not listed in any backlist, I used: mxtoolbox.com for all this. My problem: Sending ...
2
votes
1answer
44 views

Ways to store data for command line API

I am developing an API in Unix environment for virtual machines. I have to store some information in a table about virtual machines. Currently I am using python dictionary of virtual machine objects ...
3
votes
1answer
113 views

Issues with Skyperious

I am trying to install Skyperious on Ubuntu 13.10, I have installed all the required dependencies, my python version is Python 2.7.5+. When I run the following code from terminal python main.py ...
4
votes
5answers
7k views

How can I upgrade pip on Ubuntu 10.04?

On Ubuntu 10.04 I've used apt-get install pip to install pip after which I installed django. Then I tried to uninstall django with pip via pip uninstall django which gives me: pip: error: No command ...
2
votes
1answer
24 views

How to use a custom library for certain programs?

Here's my situation. I'm running Centos 7, have the standard version of libcurl as provided by my package manager, and several programs that depend on libcurl. One of them is pycurl, a python ...
1
vote
0answers
203 views

How to suppress input overrun messages

I have a Raspberry Pi running Raspbian (a Debian flavor: Linux version 3.12-1-rpi (debian-kernel@lists.debian.org) (gcc version 4.7.2 (Debian 4.7.2-5+rpi1) ) #1 Debian 3.12.9-1+rpi1 (2014-05-19) ). ...
0
votes
1answer
46 views

Make python module as an installable API

I am developing an API in Unix environment for virtual machines. Most of the modules are developed in python. I have few questions on this. I want to make this as an installable API, I mean to ...
3
votes
2answers
160 views

Basic steps to develop python API in Unix environment

I am developing an API in Unix environment for virtual machines. Most of the modules are developed in python. I have few questions on this. I have the file extension as abc.py. I would like to make ...
1
vote
1answer
22 views

Maintain the path in installable UnixAPI

I am developing an API in Unix environment for virtual machines. Most of the modules are developed in python. I have few questions on this. Inside the API I am using absolute path like ...
2
votes
1answer
257 views

Permission denied in scripted chroot jail

I am attempting to script the creation of a chroot jail (I know that there are tools for this, but I am in it for the experience, so please don't recommend a tool). I have a script which looks up ...
2
votes
1answer
811 views

How to install Node.js in CentOS 5.10 with Python 2.4?

I want to use Grunt on websites we have hosted on our WHM dedicated server. It is running CENTOS 5.10 x86_64 standard with WHM 11.42.1 (build 21). It is critical that things do not break, as we have ...
3
votes
1answer
341 views

Output of a python script running as unit is out of order while shells seems unnafected

How would I get all outputs of systemd managed python2 script instantly into journal, just like it appears in terminal I'm on centos 7, but seems to be same on arch according to systemd manual, ...
1
vote
2answers
98 views

Find average CPU, vMem, sMem usage on 1, 5, and 15min

I am trying to find at time T the average CPU usage on 1, 5, and 15min, just like what you get from /proc/loadavg Same thing for virtual memory, and swap memory. I would be fine with a python ...
1
vote
3answers
468 views

Why can't my python script change umask?

This is my script #!/usr/bin/python import os print "hello world from python" os.system("echo 'hello world from bash'") os.system("umask 055") os.system("ls -alh > test") If I run this code ...
3
votes
2answers
2k views

'NoneType' object has no attribute 'decompressobj' while installing Bootstrap setuptools

I have just started (as in 30 minutes ago) to use Ubuntu 12.04 (all my previous experience is with windows) and I just started to learn how to program a couple of weeks ago so this is probably a ...
2
votes
2answers
240 views

How does a parallelized Python program look with top command?

I work on a shared cluster. I've seen people run parallelized c code on this cluster which, when I use top to see what processes are running, are shown to be using (for example) 400% of the CPU, ...
6
votes
4answers
3k views

Using jq to extract values and format in CSV

I have the below json file: { "data": [ { "displayName": "First Name", "rank": 1, "value": "VALUE" }, { "displayName": "Last Name", "rank": 2, ...
0
votes
1answer
67 views

Plot generated with matplotlib doesn't shows up in Yakuake [closed]

I'm trying to display the plot of this really simple script: import matplotlib.pyplot as mp mp.plot([0,1,2]) mp.show() In Konsole no problem, an external window pop up with the plot. But nothing ...
2
votes
2answers
4k views

Multicast UDP not working

Multicast UDP on raspberry pi I haven't narrowed things down enough to know if my issue is because of debian, raspbian specifically, or if I am just missing a something completely. I have a python ...
28
votes
4answers
2k views

python vs bc in evaluating 6^6^6

I am evaluating the expression 6^6^6 using python and bc separately. The content of the python file is print 6**6**6. When I execute time python test.py, I get the output as real 0m0.067s ...
10
votes
4answers
10k views

Install PIL/Pillow via pip in Debian testing (Jessie)

On Debian testing (Jessie), when I try to install PIL or Pillow (python imaging libs) in a virtualenv via pip I get the following error: running egg_info writing Pillow.egg-info/PKG-INFO writing ...
-2
votes
1answer
170 views

Ruby alternative to fabric [closed]

Is there a Ruby alternative to Python based Fabric?
1
vote
1answer
342 views

Failing to import python modules only on specific user

I've been trying to figure out this for ages. When I run certain python programs they would crash saying that certain module can't be imported, while it's actually installed and should be importable. ...
4
votes
2answers
255 views

Aliasing 'python' to 'ipython' only when 'python' is run without args

I thought it would be nice to have an alias (in ~/.zshrc) to have 'python' aliased to 'ipython' ONLY when 'python' is run without args (otherwise, programs won't launch). First of all, how to express ...
1
vote
1answer
173 views

How can I install hulahop

I cloned hulahop via git and I'd like to use it and try to run this example. I have a problem to find out how to build and install it. I also tried to install it with apt-get but I don't have this ...
3
votes
2answers
300 views

How can I disable the new history feature in Python 3.4?

Since upgrading to Python 3.4, all interactive commands are logged to ~/.python_history. I don't want Python to create or write to this file. Creating a symlink to /dev/null does not work, Python ...
1
vote
1answer
110 views

Error importing lxml package python in Ubuntu

When I try importing lxml package in python I am receiving the following error. Traceback (most recent call last): File "<stdin>", line 1, in <module> File ...
0
votes
1answer
47 views

CRON path problems

I have a Python script that runs from the command line beautifully, but when I try and run it from CRON does strange things. The script generates, then runs an apk script file. The apk script file ...
2
votes
1answer
164 views

To write this Pseudocode with Regex

I am doing a Makefile which I run regularly by Crontab every day at 0230 crontab -e; 30 2 * * * /bin/thePseudocode Python-like Pseudocode directories = ["Cardiology", "Rheumatology", "Surgery"] ...
1
vote
1answer
64 views

Make debian package to install python

I have two Python scripts, and I need to package them into a Debian package. I have tried quite a few things with some success. For example, I made a setup.py and then used python-stdeb to create a ...
1
vote
1answer
42 views

Custom python REPL with fifos

Is it possible to make a custom REPL (for e.g. python) with two fifos? Explanation of the problem Suppose I have two fifos in and out. I have three terminals. In the first I want to run commands ...
1
vote
2answers
47 views

Window manager with python support/extensions

My prefered desktop environment lately has been Lxde. I like handling most things from the command line, so gnome and kde always seem to get it my way more than I like. But I do envy some of the new ...
1
vote
1answer
82 views

CheckInstall fails to install on Debian

I tried CheckInstall to track installation of package on Debian, but it fails to install it. Installation follows the typical configure/make process $ autoconf $ ./configure $ make $ make install ...
0
votes
2answers
138 views

checkinstall package conflicts with python

I'm trying to do a distribution upgrade from Debian 6 to 7 and am having some issues with some packages I created and installed with checkinstall. When doing the upgrade I get the following message: ...
0
votes
1answer
361 views

Python3 error “no module named bluetooth” on Linux Mint

I am trying to connect my Lenovo S10E to a Nintendo Wiimote via bluetooth. I am using a simple Python script, reproduced below. I am calling it from the Linux Mint (version 16, "Petra") command line ...
8
votes
3answers
1k views

python == python2 OR python == python3 ? How to package, distribute python py2k scripts?

Depending on system, python==python2 or python==python3. Executable Python scripts, starts with: #!/usr/bin/env python #!/usr/bin/env python2 #!/usr/bin/env python3... For python py3k it is ...
2
votes
3answers
745 views

Debian 7.1: duplicity error when using gdocs backend

I've installed duplicity backup tool plus python-gdata library on my debian 7.1 amd64 system. When I want to use duplicity to store my documents on Google Drive, it shows this error after asking for ...
1
vote
2answers
93 views

Howto include output of a script into the zsh prompt

I would like to add the output of a Python script into my zsh prompt but I am not sure how to do it? Is this done by what is called "PROMPT EXPANSION" in the man pages? Please someone set me on the ...