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

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1answer
104 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
votes
1answer
394 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
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2answers
1k 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
194 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
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2answers
1k 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
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1answer
50 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
74 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 ...
2
votes
1answer
302 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
148 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
845 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 ...
2
votes
1answer
59 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
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1answer
98 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
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3answers
728 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
388 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
737 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
169 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 ...
2
votes
2answers
3k views

FreeBSD: How to install Django with mod_wsgi?

Using FreeBSD 8.2-RELEASE. I want to mess around with Django and I want a working setup on my freebsd system. My understanding is I need to install python, apache, mod_wsgi, and django. The ...
2
votes
1answer
199 views

Virtualenv creation seems to do nothing

I have a problem setting up a Virtualenv on my web host server (to install python modules later on) So far I tried this (over SSH): wget ...
2
votes
1answer
544 views

pysvn fails to make due to -lneon not found?

I am trying to install pysvn on my CentOS server and it says that -lneon is gone. After searching their mailing lists for a bit I found what neon means but it doesn't say how can I get it? Here's my ...
2
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0answers
55 views

listen a power-button event in Python (no ACPI)

I am using a Debian machine which does not include the acpid package. Is there a way that I can reboot the machine using Python language when the power-button is pressed, without installing that (or ...
2
votes
0answers
240 views

FreeBSD: How to start a python script as daemon?

I'm facing an issue with a python file that I'd like to start as a service. I named my service ocrserver and the script I want to start is in /home/administrator/ocr/ocrserver/init.py with some ...
2
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0answers
127 views

mozilla sync server and mysql auth

Recently I updated my debian squeeze to wheezy. Unfortunately my firefox sync server (weave) stopped working. I saved the config files and downloaded the new version via hg. I already fixed some ...
2
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1answer
325 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
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0answers
49 views

Losing sound after installing wine 1.5 (+python 2.7)?

I have a desktop and a laptop computer. Since I wanted to run IrfanView (that works great now!), I installed wine 1.5.22, which involved installing 1 GB of dependencies. The desktop continues to work ...
2
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0answers
968 views

MySQL socket and PHP (and other languages)

Background info I'm currently running CentOS (or Red Hat?). uname -a gives (I edited out my domain name) Linux XXXXXXXXX.com 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011 x86_64 ...
1
vote
5answers
67 views

Replicate a column in a one-line CSV file

I have a file that consists of a single line: a,x,b,c,d,e I want to convert this into a,x,b,x,c,x,d,x,e,x Which is the easiest way to achieve this? A solution based on Python will be most ...
1
vote
4answers
445 views

parse json using python

I have a JSON file members.json as below. { "took": 670, "timed_out": false, "_shards": { "total": 8, "successful": 8, "failed": 0 }, "hits": { "total": 74, ...
1
vote
2answers
98 views

Narrow characters

It would be awesome to modify spark to print narrow characters in for example Gnome Terminal. Is this at all possible with Bash / Python?
1
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3answers
70 views

Pattern Matching and Delete the whole line

I want to delete all the Lines of File 1, if Column1 of File1 matches exactly with Column 1 File2. File 1: r001:21:10 21 AAAAAATTTGC * = XM:21 r002:21:10 21 YAAAATTTGC * ...
1
vote
3answers
928 views

How to run a Python script in Makefile

I want to write a Makefile to find specific files and run a Python script on each file. The Python script accepts sys.stdin input. find $(W)/$(OVE) -name "*.xml" -print | \ while read x ; do \ cat ...
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vote
2answers
195 views

loading python when the linux kernel boots

I was reading This and I was wondering if I could write an API in python or have python load in an init script. If this were to be possible would I need to edit the kernel's makefile?
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3answers
3k views

How to change the working directory for a shell script

I have a Python script that looks files up in a relative directory. For example: the Python script is in /home/username/projectname/. I have a file that is being called within the Python script that ...
1
vote
1answer
219 views

Can I execute a python statement from a terminal?

I'd like to simply execute a Python command without having to write a script or enter the interpreter. Is there a way that I could run something like: python --execute "pow(12.31351,2)" And have it ...
1
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3answers
165 views

Distributions that only ships Python 3.X

Is it possible currently? I tried to remove python in Fedora 19 but yum depends on it.
1
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2answers
1k views

Python script to shutdown system doesn't work in cron

A python script to shutdown system works fine from the terminal but doesn't work when included in crontab. The script is called by cron but ends with an error 'shutdown command not found'or 'init 0 ...
1
vote
1answer
609 views

Install virtualenv on Fedora 16

I come from Ubuntu. I know how to install virtualenv and configure stuff on Ubuntu. Now Fedora seems pretty strange to me... Following these two guides: Setting up virtualenv, pip, virtualenvwrapper ...
1
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3answers
272 views

How to install easy_install using non-default Python Interpreter on CentOS?

I have downloaded, compiled and installed Python 2.7 on CentOS. I would like to download and install easy_install (and pip) for it but I am a little bit confused as to how to do that. How can I ...
1
vote
2answers
3k views

On Red Hat Enterprise Linux 6.2 how can i use Python 2.7 as default not Python 2.6? I did but still showing 2.6

RHEL 6.2 i have python 2.6 but i need default python 2.7 using yum packaging (so that nothing goes messed up, cause its a heavy duty working system, all i need the python 2.7 on it, without messing ...
1
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4answers
954 views

pysqlite install error on FreeBSD in virtualenv

I am trying to install pysqlite using pip under a virtualenv in FreeBSD 7.3, with Python version 2.6.2. I didn't have any issues for installing other packages like Django, PIL etc. All of them I ...
1
vote
3answers
587 views

chmod - change permissions on a file

I have a Python virtualenv, and the Python executable is located in the /bin directory. In this virtualenv I'll have to execute some unsafe code, that can damage my system. I tried to chmod a-r on the ...
1
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3answers
320 views

How to know which compiler is used to compile Python programs?

How can I know which compiler is used when I type python myapp.py in terminal?
1
vote
1answer
103 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 ...
1
vote
1answer
62 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 ...
1
vote
1answer
60 views

Protected Execution Environment

I've been recently investigating for the best way to implement a Protected/Secured Execution Environment that would allow me to "upload" some code into that environment and block any kind of output ...
1
vote
1answer
325 views

How do you use minicom with stdin and stdout?

I need to communicate with Python over a USB to RS-232 converter, to a device. The application minicom connects seamlessly, so if I could run that in non-interactive mode, everything would would be ...
1
vote
2answers
107 views

Launcher for a Python program that requires extra libraries

I'm trying to get a launcher working for the WikidPad (python) program. I already have a python program, so I looked into the file /usr/share/applications/taskcoach.desktop. The exec line was simply ...
1
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1answer
97 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, ...
1
vote
1answer
156 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 ...
1
vote
1answer
179 views

Python in GNOME code base

Is Python present in the Gnome code base? If so, how is it involved? Note: My question concerns the core GNOME Desktop Environment only (e.g. nautilus, gnome-session, NetworkManager) and any ...
1
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2answers
35 views

pipe function arguments to command line arguments in python

I have a python code(cmd.py) which accepts files as command line arguments and process using parse_args. I want to pass files from another code(files.py) to cmd.py, just like passing function ...