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

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Running python script from Linux Terminal

I have downloaded this script named, pyAES.py and put it in a folder name codes, inside a Desktop directory of my Linux, According to this example, ...
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1answer
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apt python error prevents me from resolving dependency problems for apt-get install

On Debian 6 servers dependency issues are preventing me from installing nis (or any package). When I try to resolve that issue I get a python error. How do I get past this issue and re-gain the ...
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2answers
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Configure Python to include another directory when looking for packages

I'm on a SUSE machine where the default Python site-packages location is /usr/lib64/python2.6/site-packages. Some packages automatically install themselves in /usr/lib/python2.6/site-packages instead. ...
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1answer
605 views

Reading amount of tracks from an audio CD?

I'm writing a little script to analyze audio CDs. I'm specifically looking for a way to grab the track count from the CD, either from a shell-script or from Python. Is there an easy way to do this? ...
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2answers
726 views

Wait for a X window to appear/disappear (in a sane way)

Inside a shell script, I need to wait for a window that has a string on its title to appear, do some action, and then wait for it to disappear, and do some other action. Until yesterday, I had this ...
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1answer
852 views

How to use cron + python to regularly adjust screen brightness?

I want to use cron and this script (http://askubuntu.com/questions/23593/use-webcam-to-sense-lighting-condition-and-adjust-screen-brightness): import opencv import opencv.highgui import time import ...
4
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1answer
643 views

How do I make Kate indent with spaces on Python files but use tabs for text files and other files?

My goal is to set Kate up to work properly on Python files but to use different settings (tabs not spaces) on other documents. I'm sure others are doing this, but I can't figure out a convenient ...
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3answers
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Python 2.7 and 2.6 coexist on the same machine

I want to follow a guide to install some software on a ReadyNas Duo (sparc). The guide indicates I need python 2.7, but I already have 2.6 installed. ~# which python /usr/bin/python ~# ls -al ...
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6answers
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What is the easiest way to check if column A and B values goes both ways with AWK? [closed]

What is the easiest way to check if column A and B values goes both ways? Output to check: Mike John John Mike Pamela Barbara Barbara Pamela Mike Paul Roger Paul Desired output Mike <-> ...
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2answers
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How to install Python 3.x on Debian?

Being new to Linux, I chose Debian for my Linode because it seemed stable and secure. Now I want to write some sysadmin-type scripts in Python to teach myself the language. Based on this SO question ...
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2answers
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Tilling window manager written in Python

Is there any tiling manager like XMonad but written with Python? I think Haskell was too hard for me. But I know python a little.
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1answer
291 views

How Can I Automate the Change between a Python Script and a Nohup Python Script?

I have a Raspberry Pi connected to a digital temperature probe, which measures my fermenting beer. A python script reads the temperature every second and prints it to the console, and stores it in a ...
4
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1answer
160 views

certificate errors trying to create a virtualenv on old Ubuntu

On an old Ubuntu 8.04 (cannot upgrade yet) I need to create a Python virtualenv, install some packages and then my software. I do get certificate errors: Could not fetch URL ...
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2answers
632 views

fail2ban log parsing too slow on Raspberry Pi - options?

I'm running fail2ban on a Raspberry Pi at 950MHz which I cannot overclock further. The Pi is occasionally subject to SYN floods on particular ports. I've set up iptables to throttle the rate of SYNs ...
4
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1answer
2k views

How can I run tcpdump from a Python script without AppArmor complaining?

For inconvenient reasons going beyond the scope of this question, I have to run tcpdump from within a Python script. I currently just call subprocess.Popen(['tcpdump', ...) and everything works just ...
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1answer
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How to do a binary install of Python 2.7 on SUSE Linux Enterprise Server 11?

My SLES11 box came with Python 2.6 installed. I would like to upgrade to 2.7. What is the easiest way to do this?
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3answers
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Delete XML node containing certain element

I want to remove all Placemarks from a KML file that contain the element <tessellate>. The following block should be wholly removed: <Placemark> ...
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2answers
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How to test UPSTART feature of ubuntu to see my script gets restarted automatically if it gets killed?

I am running my Python script using upstart feature of Ubuntu so that if for whatever reason my Python script dies or gets killed, it can be restarted automatically. So I decided to use UPSTART ...
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3answers
381 views

Is there an equivalent of calling the built-in python function help('topics') but in bash?

I would like to explore man pages in bash using something similar to the python help('topics') function. Does this exist in bash? I know the bash equivalent of python's help('modules') would look ...
3
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3answers
759 views

Why does installing python-minimal package also grab the python package on Debian?

From running: apt-cache depends python2.6-minimal | grep Depends and apt-cache depends python2.6 | grep Depends it looks like python2.6 depends on python2.6-minimal and a lot more. However, ...
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4answers
469 views

Align a hex text file at 9 bytes each line

I want to align the selected portion of a text file at 9 bytes each column. For example suppose my text file looks like below. 00 2f c6 b8 29 fd 02 37 11 00 9f 74 34 0b 60 72 38 20 00 9e 61 33 8e ...
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2answers
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Unable to pass a bash variable as a python argument in bash

For some reason I cannot pass the bash variable $FOLDER as a python argument on the following code. The python script downloads some files from amazon s3. Bash script: #!/bin/bash FOLDER=$(./aws get ...
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1answer
1k views

Convert xml subtitle file to srt format

I have a xml subtitle that looks like this: <?xml version="1.0" encoding="utf-8" ?><transcript> <Item from="1.16" duration="4.68"><![CDATA[(Dong-hyuk is coming to see you now.) ...
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1answer
3k views

Upgrade matplotlib to 1.2 or 1.3

I am trying to upgrade my python matplotlib but for some reason I can't get it to upgrade. I originally installed matplotlib with: apt-get install python-matplotlib which was fine. However it ...
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2answers
139 views

how to execute a bash command in a python script

How can I launch a bash command with multiple args (for example "sudo apt update") from a python script?
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3answers
423 views

Unable to run python script - Permission Denied

Trying to run a NZBGet (Python) Script, I've tried to run manually with: /mnt/local/ext001/MEDIA/NZBGet/scripts/videosort/VideoSort.py but this results in: bash: ...
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5answers
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Listing directories based on size from largest to smallest on single line

I can use the following command to get a list of directories and their sizes and sort them from largest to smallest (in the example I renamed the directories to numbers to make this easier to ...
3
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1answer
393 views

Missing Python.h in Arch

I use Arch Linux. I want to compile a C++ file that includes <Python.h>. But I can't do it. In Debian based systems this problem is resolved with sudo apt-get install python-dev. How I can ...
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2answers
248 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 ...
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2answers
385 views

Print row contain maximum and minimum value

I need to read the file (contains 16K rows)and print the entire row if any of columns and all columns contains max value (100) and all columns contain min value (0).The ouput example is given ...
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3answers
388 views

Why can't I call this program using its full path?

I am trying to build a command line wrapper in Python 3 for an exiting command line tool called spooky and I am having a hard time understanding some strange behavior. If I type spooky on the command ...
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2answers
156 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 ...
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2answers
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How to install meld 3.11 in Ubuntu 14.04?

I am trying to get meld 3.11 to work on ubuntu 14.04 I tried following the method below" cd ~ git clone https://git.gnome.org/browse/meld cd meld sudo ln -s ~/meld/bin/meld /usr/bin/meld But ...
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2answers
240 views

Rescue value from second last line

After I run a script, I've got the following lines: PyMOL(TM) Molecular Graphics System, Version 1.4.1. Copyright (c) Schrodinger, LLC. All Rights Reserved. Created by Warren L. DeLano, ...
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2answers
877 views

Clearing/modifying previous libnotify notifications?

I have written a script which generates notifications like this: notify-send -i audio-card "Transferring audio playback to speakers." \ "Audio playback has been transferred to the analog output ...
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2answers
661 views

case sensitive substitution; same target ids

I am struggled myself to make a case sensitive replacement in a text file. Please find below a segment of my sed file that I am running as sed -f file.sed < input.txt > output.txt ...
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1answer
106 views

Count and merge consecutive patterns

I'm searching for a short snippet to find, count and merge consecutive duplicates using standard tools or a common scripting language. Say our input is: 1 2 2 2 7 22 a b b c c c c c d dd 2 2 c c ...
3
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1answer
287 views

When I am in VirtualEnv and do apt-get install, is there any difference?

If I have a virtualenv activated when I do something like sudo apt-get install python2.7-dev should I expect different results than if I did it outside the virtual env? Limited theory says no, ...
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1answer
107 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 ...
3
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1answer
81 views

Grepping a variable

I've written a simple init script to start and stop a Python script as a service. I have to be explicit about the version of Python I'm running, because this is on a CentOS 5 box with Python 2.4 & ...
3
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2answers
70 views

Why can't I load modules while executing my bash script, but only when sourcing it?

I am using modules to control the packages on my system and I have python/2.7.2 installed as a module. I have simple python executable python_exe.py which I am going to call from a simple 'driving' ...
3
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1answer
283 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, ...
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2answers
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'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 ...
3
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1answer
2k views

How to change the default version of Python in Debian 7.5?

I'm using Debian 7.5, and I've installed Python 3.3 and 3.2. How do I make 3.3 the default for when someone types python in the command line?
3
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1answer
2k views

Python.h: No such file or directory

I'm tring to build omniORB 4.1.6 under Arch Linux, however when I type make, here is the message: ../../../../../src/tool/omniidl/cxx/idlpython.cc:188:26: fatal error: python3.3/Python.h: No such ...
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1answer
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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 ...
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1answer
227 views

Suddenly I have troubles plotting with python

I have a code that I used yesterday to generate plots. Today, when I tried to use it (with the same input as yesterday), I get an error: QGtkStyle was unable to detect the current GTK+ theme. ...
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6answers
7k views

Python 2.7 on CentOS 5

Are there any half-official repositories for CentOS 5 with Python 2.7? EPEL provides only Python 2.6
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1answer
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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 ...
3
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1answer
414 views

fail2ban permission denied on script

I've just upgraded from RHEL 5 to 6.5 and setup fail2ban anew. I can't seem to get my custom action to work now, supposedly because of a permission issue. I wan't to know what am I doing wrong, and ...