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

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337 views

avconv/ffmpeg output through /dev/ttyAMA0

I tried to pipe streaming video from video4linux2 webcam connected to a Raspberry Pi through /dev/ttyAMA0 to a computer using an Arduino as a intermediary. First of all, is it possible? Because I was ...
2
votes
3answers
830 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 ...
0
votes
2answers
441 views

How to make Python scripts usable on Windows? [closed]

I have some Python scripts in Linux. How can I make those scripts so that windows user can use and execute them?
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2answers
227 views

how to install ast python package

I'm using django constance in my project. This app used a python package ast. When I try to install that package using command pip-2.7 install ast, it results as "Could not find any downloads that ...
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 ...
0
votes
1answer
263 views

Can't use peewee on Mac OS X Mountain Lion

I am getting an error when I run Python programs that imports peewee: ImportError: No module named peewee The same program works fine under Ubuntu 12.04. I used pip to install peewee, and it ...
1
vote
1answer
521 views

Use tabs for indentation in Python mode

I am using Emacs for Python developement. My team is using Tab indentation, so I must do the same. The problem is that I can't figure out how to make python-mode use tabs instead of spaces. I want ...
0
votes
1answer
100 views

Installing a plugin for quodlibet as a patch

I'm trying to update a plugin for quodlibet. I fetched a .patch file from here. I navigate into the directory where the plugin is placed /usr/share/pyshared/quodlibet/plugins/events and copy in ...
7
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1answer
1k views

Problems running python script from motion

I'm trying to set up the raspberry pi with my webcam as a motion detecting cctv that uploads the videos to google drive using Jeremy Blythe's script I have motion working correctly and the python ...
0
votes
3answers
392 views

Is shebang always the same as the interpreter's installation directory?

Must the shebang header always match the interpreter's installation directory? If so, then why do both #!/usr/bin/python and #!/usr/local/bin/python work for me?
9
votes
5answers
1k views

How can I have more than one possibility in a script's shebang line?

I'm in a bit of an interesting situation where I have a Python script that can theoretically be run by a variety of users with a variety of environments (and PATHs) and on a variety of Linux systems. ...
1
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1answer
401 views

Managing the output streams of many subprocesses with deadlocks

I have a Python script that does more or less this current_tasks = TaskManager() MAXPROCS = 8 while len(outstanding_tasks) > 0: if len(current_tasks.running) < MAXPROCS: ...
1
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0answers
218 views

How to resume the ?WATCH command when a USB GPS is reconnected

I have some hacks to ensure that my USB GPS devices continues spitting data if disconnected, then reconnected. The devices are so flaky that they need restarting so as to continue transmitting data. ...
3
votes
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 ...
0
votes
3answers
246 views

apt-get install packages for python2.7

Whenever I install a package for python it only installs for Python2.6 which came with the Debian 6. I am wondering how do I install for python2.7 with apt-get. Presently I am downloading the tarballs ...
2
votes
1answer
134 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 ...
1
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3answers
7k 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 ...
2
votes
2answers
16k views

How to properly install Python packages?

I run a Slackware system and I'm trying to run some Python code, but getting a lot of errors such as this one below: >>> import urllib2 Traceback (most recent call last): File ...
6
votes
1answer
167 views

Correct handling of Python2 and Python3

What is the correct way running scripts that depend on python2.x but on a system where python3.x is aliased with python. The solution should take into account the following things : Python2 ...
2
votes
0answers
55 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 ...
1
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2answers
519 views

How do I compile Python 3.2 on NetBSD? Error code 127

I'm getting strange errors when I try to compile Python 3.2 on NetBSD 5.1: python ./Objects/typeslots.py < ./Include/typeslots.h > ./Objects/typeslots.inc python: not found *** Error code 127 ...
7
votes
1answer
2k views

Using Atlas from scipy

I installed Ubuntu 12.04 64 bit. I need to work with python and scipy, I installed them and when I run the test: python -c "import scipy; scipy.test()" I get the message: ImportError: ...
2
votes
1answer
906 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 ...
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0answers
292 views

Python bindings for libtorrent-rasterbar are not working on debian

I'm running Debian 6.0.6 I've downloaded latest version of libtorrent-rasterbar from here: http://code.google.com/p/libtorrent/downloads/detail?name=libtorrent-rasterbar-0.16.6.tar.gz&can=2 and ...
1
vote
1answer
61 views

What to include in an RPM created from python packages

I'm looking to create a rpm for this tarball and couldn't figure out which files needed to be included in the package after the install. I am used to compiling some code and including the binary ...
2
votes
1answer
651 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: ...
1
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3answers
330 views

I want to run commands like make, make install, python setup install without changing directories

I have written a script which will download software from the internet to the current user's home directory and then untar it. And then I have to make and make install it and in some software I have ...
1
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3answers
2k 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 ...
3
votes
1answer
242 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, ...
12
votes
2answers
6k views

Best way to upgrade vim/gvim to 7.3 in Ubuntu 10.04?

I have to use Ubuntu 10.04 at work, and cant upgrade it. I'm using Vim/gVim 7.2. I want to upgrade it to 7.3 (with Python and Ruby extension support). Which is the best way? Add an entry in ...
0
votes
1answer
282 views

Sublime Text 2 not detecting python library if installed in /opt

I am attempting to install Sublime Text 2 in /opt/sublime_text. Once all the files are in there, I believe the executable not detecting the python libraries and throwing the following error: I ...
15
votes
5answers
9k views

Using different versions of Python

Background: Since I develop python programs that must run on different python versions, I have installed different versions of python on my computer. I am using FC 13 so it came with python 2.6 ...
3
votes
3answers
331 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 ...
2
votes
1answer
446 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 ...
0
votes
1answer
595 views

Simple python web server doesn't execute CGI scripts

I set up a simple python web server by opening a terminal in a directory and doing python -m CGIHTTPServer There is a CGI script in the directory but when I type into the browser ...
2
votes
1answer
673 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 ...
4
votes
6answers
394 views

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 <-> ...
7
votes
3answers
3k views

How do I make python programs behave like proper unix tools?

I have a few Python scripts laying around, and I'm working on rewriting them. I have the same problem with all of them. It's not obvious to me how to write the programs so that they behave like ...
1
vote
2answers
695 views

What scripting language or platform to use for web page downloads and screen interaction? [duplicate]

Possible Duplicate: Does anybody here have experience in automating some tasks in web applications using curl? Here is what I need to do? Wondering what platform is most suited - easy to ...
1
vote
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 ...
3
votes
0answers
172 views

Enable sqlite FTS Enhanced Query Syntax in python in RHEL6?

SQLite's full text search engine offers a simple query syntax (with AND and OR operators and -term for negation), as well as an enhanced query syntax which also allows parenthesis and NEAR — as well ...
1
vote
2answers
258 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?
3
votes
2answers
362 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 ...
2
votes
1answer
205 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 ...
3
votes
2answers
3k views

Sending the output from 'dd' to awk/sed/grep

I'm trying to approximate the computer's write speed using dd: dd if=/dev/urandom of=/dev/null bs=1K count=10000 which gives the following output 10000+0 records in 10000+0 records out 10240000 ...
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0answers
174 views

How do I satisfy the “warnings” Pinax requirement?

I'm trying to build a Pinax virtualenv. I get, on Precise Penguin with 0.7: jonathan@ubuntu:~/Downloads/Pinax-0.7-bundle/scripts$ ./pinax-boot.py ~/virtual New python executable in ...
1
vote
0answers
91 views

How do I fix my FastCGI Pinax / Django deployment?

I'm running OSX Lion (posted here because this is a Unix-specific question), and am trying to deploy a Pinax project via FCGI. I have the FastCGI daemon running: $ ps wwaux | grep fcgi jonathan ...
2
votes
1answer
169 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
votes
1answer
631 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 ...
1
vote
0answers
80 views

How to access storage device related events with Zeitgeist?

I am trying to get my mind around Zeitgeist, using the Python DBus API. To get the latest accessed files and application is not so hard, here is what I do: #! /usr/bin/env python from ...