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

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1answer
2k views

Pip install - CPU you selected does not support x86-64 instruction set

I'm trying to use pip install mysql-python inside a virtualenv container and am getting the error building '_mysql' extension gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall ...
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3answers
1k views

How can I schedule a python program to run from another python program?

I'm running a Python program on my Linux server, and depending on some external data it has to run again at xx minutes or hours from now. So let's say it runs at 6 AM, and then it has to run again at ...
2
votes
1answer
910 views

Replace python built with UCS4 with UCS2

I've got fedora fc15 installed with python 2.7.1-7.fc15. It is built with ucs4 and I've got some packages here at work that are built with ucs2. I now cannot build other packages that use these ucs2 ...
2
votes
1answer
2k views

parsing process ID/names from /proc, thread IDs

When I'm parsing process IDs from /proc, obviously each thread of a process gets its own ID. And I realize that all the threads in that same process can be gathered from /proc/${pid}/task/. But my ...
2
votes
1answer
23 views

Cron Job to Keep Daemon Running?

let us suppose I have a cron job like this: */15 * * * * /path/to/thedaemon The daemon (it being a python daemon via from daemon import runner) will not allow multiple instances of itself, which in ...
2
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2answers
39 views

Cron job is writing the error to error log but fails to write outputs to output log file

I have 2 python codes which i schedule using cron. My codes actually runs from 10:30am to 4:20pm everyday. from 10:30am to 11:00am my codes outputs 2-3 lines every minute and after that they start ...
2
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2answers
84 views

Clone Python from one linux machine to another

I want to run some of my python scripts on my new Linux (Centos 6.5) machine that I developed on another Linux machine (also Centos 6.5). But my problem is that my new machine is not having internet ...
2
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2answers
85 views

check “newness” / “is-read” of /var/spool/mail/$USER like pam_mail for custom motd script

How can I check with bash or python (preferred) if there are some unread mails in /var/spool/mail/$USER like pam_mail does? I'd like to use this for my own custom motd script, motd.dynamic
2
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1answer
61 views

how can I add an extra character after a word search [closed]

I have the following field names demelog voyapro naisjdf naismc decoide decoccm travide travccm equiccm mariccm Below is a sample of my file. There are more columns before the first fck=83... ...
2
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2answers
441 views

Can't import wx even after installing python-wxgtk2.8

I am running Linux Ubuntu 14.04 LTS and am trying to install wxPython so I can develop GUIs on python. I have python 2.7 and 3 installed but 2.7 in default. I have installed wxPython as recommended ...
2
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3answers
320 views

Replace multiline string in files

I have a number of files I want to update by replacing one multi-line string with another multi-line string. Something along the lines of: * Some text, * something else * another thing And I want ...
2
votes
2answers
846 views

What should I do about Python 2.7.9 not looking for SSL certificates in the right place on FreeBSD?

I have a FreeBSD 10.0 system, and a couple of days ago, I upgraded my python27 port from Python 2.7.8 to Python 2.7.9, which enabled SSL verification by default. Unsurprisingly, it broke my existing ...
2
votes
1answer
51 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 ...
2
votes
1answer
185 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"] ...
2
votes
1answer
68 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 ...
2
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4answers
374 views

How to restart python script after one second of going down using UPSTART?

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 and everything is working fine - ...
2
votes
1answer
354 views

Piping periodic data between Python scripts

How to receive data from the environment e.g. bash I am trying to launch two Python scripts in bash and pipe stdout from one of them to stdin of the other. The first script outputs a single ...
2
votes
1answer
1k views

Unable to install SciPy

I need to use the module skimage, which calls the module SciPy (I need to find contours) import numpy from sys import argv from PIL import Image from skimage import measure # Inicialization ...
2
votes
4answers
650 views

Keep running program requiring X server after logging off of ssh session

I have a python script that periodically generates a png image, and puts it on a server that I can access through a browser. The image displays the progress of a job I am running on the server. I'm ...
2
votes
2answers
5k views

Run a sudo (or startup) python script from cron on a Raspberry Pi?

I'm helping out with an art project (http://stargateeggbeater.com/ for those interested) built on Raspberry Pi. The RPi controls an addressable LED strip through the GPIO, using the spidev device per ...
2
votes
1answer
209 views

Change the default shell to Python

If I changed my default shell from BASH to Python3 or IPython, would my Linux system have issues or produce errors?
2
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1answer
407 views

Where are Python dist-packages stored in FreeBSD?

I am trying to find this path on FreeBSD but it is not working: /usr/local/lib/python2.7/dist-packages This same path is working on Ubuntu. Can please some tell me where I can find Python ...
2
votes
2answers
49 views

Start Repl/CLI in Background and Feed Commands

Lets say the python repl takes a long time to start up, is there a way to start it up in the background so I can create an alias and feed it commands like python-current "command to run".
2
votes
1answer
114 views

Vim :fold of python code not different to C/C++ code

When I enter the command :fold inside my python code in .py files, Vim inserts the /*{{{*/ and /*}}}*/ tags. They, of course, cannot be parsed by python interpreter. When I'm in python I would like ...
2
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1answer
146 views

What is the source of truth for currently active tty/pts connections?

I'm looking for a simple way to determine the number of currently logged in users, using only the filesystem and basic bash functions (instead of using binaries). The uptime binary appears to be ...
2
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5answers
2k views

CUPS - check if print successful (either python or in system)

EDIT: I forgot to make it clear I'm using python and pycups. The code is python but I shouldn't have thought that was enough. I've dug through the cups documentation a few times and couldn't find ...
2
votes
1answer
805 views

Subprocess.call() and gunzip error

I'm trying to use Python's package subprocess to gunzip and gzip files. I'm using the following command: subprocess.call(['gunzip', a_path+myfile_gz], shell=True) Then I get the error message: ...
2
votes
2answers
2k views

What does this python2 error mean, and what should I do about it?

Whenever I attempt to use an application relating to python2(gnome-tweak-tool, bzr, etc.) it fails to start and, when run from command-line, I get this error: [username@host ~]$ gnome-tweak-tool ...
2
votes
1answer
244 views

Key-binding to open a terminal running python in ratpoison

In my .ratpoisonrc file I'm failing to write a key-binding to open a terminal running python. I'm running a minimal Debian setup on which I basically just run emacs. Sometimes I want to just get a ...
2
votes
2answers
3k views

How to execute this particular shell command from Python?

OK, so, I have this non-functional shell script, which I am rewriting piece by piece in python, except I am getting an "unexpected "|" error" from the shell (see below): #/bin/sh LINES=`cat $@ | wc ...
2
votes
1answer
30 views

preventing dpkg-buildpackage using /usr/bin as installation destination

Briefly, I am building a Debian package. Everything works fine with packaging except the point, that after packaging my application is always in the /usr/bin folder. It's actually a Python ...
2
votes
1answer
102 views

Compiling Python 3.4.3 error

I have been trying to update Python 3.4.3 from source, but each time, during the ./configure command, I get an error in the configure.status > configure: checking for device files checking for ...
2
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1answer
85 views

Convert TeX accents to UTF-8 in Python

edit below First of all, I am quite sure this is a duplicated question. But I have no idea how to search for it. I spent quite a long time already. I am reading with python from a .txt file the path ...
2
votes
1answer
313 views

Get 'python-keyring' to stop prompting for 'encrypted keyring' password

Situation: I followed these instructions (http://mercurial.selenic.com/wiki/KeyringExtension) on setting up the mercurial keyring-extension for mercurial. On a Ubuntu 12.04.4 (precise) machine it ...
2
votes
1answer
198 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 ...
2
votes
1answer
27 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 ...
2
votes
1answer
295 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
2answers
605 views

How to install PySide package for CentOS 7

I'm trying to install PySide on CentOS 7. Seems pretty straightforward, enable EPEL repo, and install. Except that EPEL doesn't seem to contain a PySide package (yum install python-pyside fails with ...
2
votes
1answer
446 views

Python failing to import winregistry

I'm trying to use secretsdump.py, which relies on winregistry.py. The error I'm getting is: Traceback (most recent call last): File "secretsdump.py", line 41, in <module> from impacket ...
2
votes
1answer
845 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 ...
2
votes
1answer
152 views

Application lags if started from init.d?

I have a program (pre-compiled binary) that, when started manually on linux, runs fine. It has a CLI that I use to enter commands. This program is a software router, I can connect to it's CLI to ...
2
votes
1answer
2k views

How to check the status of bash shell script while executing from Python script?

I have a simple Python script which will execute a shell script using subprocess module in Python. Below is my Python shell script which is calling testing.sh shell script and it works fine. import ...
2
votes
1answer
1k views

ffmpeg webcam to device driver , output 8 bit grayscale

With the following command i'm trying to capture 10fps and send them the device driver. Now i want 8 bit gray raw frames (640x480= 307200 bytes per frame) to be send to the device driver. I can't ...
2
votes
1answer
361 views

Installing pyside on Fedora 19

I'm trying to install pyside from source on Fedora 19. Running sudo python setup.py bdist_egg --version=1.2.0 --qmake=/usr/lib64 gives: HEAD is now at 92062bc... Version bump to 0.2.14 Checking out ...
2
votes
1answer
265 views

apt-get can not detect correct python version when using update-alternatives for python

I have installed different python versions on my Linux Mint DE. I used the update-alternatives --set statement to easily switch between the different versions. Unfortunately sometimes apt-get install ...
2
votes
1answer
86 views

process continous output of synclient

I am using synclient to track the position of finger on the touchpad. I use the following command. synclient -m 100 | awk '{print $2,$3}' This command gives the 'x' and 'y' co-ordinate on the ...
2
votes
1answer
150 views

Can't open Gajim

When I try to open Gajim using terminal on gnome I get the following: Traceback (most recent call last): File "gajim.py", line 106, in <module> import common.configpaths File ...
2
votes
1answer
470 views

Installing trac - “Trac requires Python 2.5 or later”

I am having a little trouble getting trac 1.0 installed via easy_install: [box]# easy_install Trac==1.0 Downloading ...
2
votes
1answer
996 views

New files and folders created, automatically inherit same permissions as parent folder

Does it exist? I create a folder with, let's say, all permissions set, and some services (i.e. Apache web server) create subfolders and put files there (uploaded media files from website users). Such ...
2
votes
1answer
215 views

Will I break debian etch if I install python-support 0.7.1 to it?

I try to install s3cmd into my debian etch, but the following error message comes up: root@NAS-01G:~/src$ sudo apt-get install s3cmd Reading package lists... Done Building dependency tree... Done ...