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

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929 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 ...
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2answers
2k 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 ...
2
votes
1answer
194 views

emacs python2.7

I would like to have emacs work as a python ide for me. I can't seem to find how to compile from within emacs. I'm using python2.7 but when I do M-x python-mode it seems to compile using python2.7. Is ...
2
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2answers
53 views

Is it possible to pass arguments into a Python script?

I know how to pass arguments into a shell script. These arguments are declared in AWS datapipeline and passed through. This is what a shell script would look like: firstarg=$1 secondarg=$2 How do I ...
2
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1answer
54 views

python Vs bash string slicing

My file a contains the text, bcd\\\\. With bash, i read the file and print characters from 4th to 8th position as, tmp=$(cat a) echo "${tmp:3:4}" It prints, \\\\ All happy. Now i use ...
2
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1answer
109 views

How to monitor the opening and closing of files?

I'm writing an AI personal assistant. One part of the software is a monitor daemon. A small process that monitor's user's active windows. I'm using python( with libwnck and psutils for obtaining info ...
2
votes
2answers
4k views

How do I correct the path for pip?

I'm trying to get pip to point to a different install rather than the default. It is currently pointing to /usr/bin/pip, but I want it to point to /usr/local/bin/pip. I believe I have the path set ...
2
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1answer
1k views

Can't install Python3 package in Debian 7

I get error while installing python3 in Debian 7 (I have all updates installed): root@nuclight:~# aptitude install python3 The following NEW packages will be installed: python3 python3.2{a} 0 ...
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3answers
3k views

'ImportError: No module named _struct' error when managing packages

I'm running elementary OS 0.2 (based on Ubuntu 12.04) and starting today I'm seeing a weird error when attempting to install/upgrade packages. Just now for example I did a: sudo apt-get update ...
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2answers
3k views

Arithmetic operations in regex

I am using gedit regex plugin (Python style regex). I would like to do some arithmetic operation on a backreference to a group. For example: PART 1 DATA MODELS Chapter 2 Entity-Relationship Model ...
2
votes
1answer
51 views

Why do I have so many python versions on my mac?

I'd like to get into scipy and first setup my macbook air for python development. The problem is I have many different versions of python installed - here is what I get when bash autocompletes "pyth": ...
2
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1answer
463 views

Python now thinks arguments are files: Broken emerge, pip, livestreamer and most tools using Python

For these commands (in both bash and fish): sudo emerge eix emerge eix I get this error: usage: emerge [-h] [--version] [input [input ...]] emerge: error: argument input: can't open 'eix': [Errno ...
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1answer
1k views

Install newer & older versions of python on debian?

How can I install extra versions of python on Debian (jessie). On Ubuntu I can use the "deadsnakes" PPA which will give me any python version I want, with the version name in the command (e.g. ...
2
votes
4answers
277 views

Script to delete files that don't match certain filenames

I have a folder with 500,000 images, sorted in subfolders by year and month. I'd like to create a script that does this: If the filename does not match any of the filenames in names.log then delete ...
2
votes
2answers
238 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 ...
2
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2answers
162 views

How to change my script to replace and add new variable in a configuration?

Well this is my script. It is to configure my systems sysctl.conf. infile = open('sysctl.conf') outfile = open('sysctl.conf.new', 'w') replacements = {'Net.ipv4.icmp_echo_ignore_all' :'1', ...
2
votes
3answers
792 views

Unable to access CentOS setup Network Configuration after attempting Python update

I attempted to update Python on my CentOS 5.6 VM and have encountered some issues afterward. Initially, yum wouldn't work, but I have resolved that. However, now I am unable to access the Network ...
2
votes
2answers
140 views

How do I remove the new environment commands that were created by the virtualenvwrapper script?

I've installed and run virtuarenvwrapper.sh to try to configure an alternate version of python on my system. This script has placed somewhere a series of commands that are now executed whenever I ...
2
votes
3answers
128 views

Linux - preventing an application from failing due to lack of disk space

Due to an unpredicted scenario I am currently in need of finding a solution to the fact that an application (which I do not wish to kill) is slowly hogging the entire disk space. To give more context ...
2
votes
2answers
697 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 ...
2
votes
2answers
392 views

why cpulimit makes process STOPPED?

I'm running a python script which uses networkx package to run some algorithms on graphs. the script is import networkx as nx from networkx.algorithms.approximation import clique G = ...
2
votes
1answer
7k views

Numpy module not found despite being in path

I am having trouble with the module on python. Here is my path variable, /opt/local/bin /opt/local/sbin /Developer/usr/bin /usr/local/git/bin /usr/X11/bin /Users/oskarniburski/.rvm/bin /usr/X11R6/bin ...
2
votes
1answer
3k 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
2k 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
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1answer
1k 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
3k 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
76 views

Is it possible somehow to tell if a laptop is moved in a bash or python script?

I'm trying to figure out if there's a way to use a bash or python script to tell if my laptop gets moved. I had the idea of using wifi signal strength to do it, but the problem with that is that you ...
2
votes
1answer
177 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
76 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
votes
2answers
116 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
197 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
votes
3answers
8k views

How to include python script inside a bash script

I need to include below python script inside a bash script. If the bash script end success, I need to execute the below script. #!/usr/bin/python from smtplib import SMTP import datetime ...
2
votes
1answer
70 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
2k 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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2answers
1k 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
58 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
2answers
1k 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
243 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
93 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
votes
4answers
531 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
453 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
2k 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
753 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
6k 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
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1answer
268 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
566 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
56 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
124 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
votes
1answer
153 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
3k 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 ...