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

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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 ...
3
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2answers
275 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
185 views

shell or python script to transpose rows to columns [duplicate]

I have a big file with numbers like: 1 2 3 4 5 6 7 8 9 9 9 9 I want to tranpose it into 1 5 9 2 6 9 3 7 9 4 8 9 I have search on google for solutions, but those solutions simply don't ...
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1answer
287 views

Uninstall a python software properly

I installed a little python software (pycarddav) before to notice there is a packaged version for Debian sid... Now, I would like to uninstall properly this software and then, install the packaged ...
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1answer
216 views

Python file issue from root path

I have a script that is well-tested and known to be working. I am running into an issue with it where when I try to run it from /root/backup/script.py or ~/backup/script.py I get a file not found ...
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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 ...
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0answers
392 views

Installing iPython3 Fedora 20

It was very easy to install ipython and upgrade it to the newest version (2.0) using pip. However, I want to set up ipython3, which uses Python 3, and found it more difficult. I finally installed it ...
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1answer
139 views

install python module for particular python instance

I have 2 python instance on a CentOS machine, i.e. /usr/bin/python2.4 and /usr/bin/python2.7. Modules for 2.4 are in /usr/lib/python2.4, and modules for 2.7 are in /usr/local/python27. When I do ...
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4answers
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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 * ...
3
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1answer
464 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 ...
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1answer
259 views

python xml parsing

I have to delete particular tags from an xml file. Sample xml below. <data> <tag:action/> </data> I want to delete all contents between data and /data. ...
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1answer
275 views

Modoboa 1.1.1 Deployment Errors

I try to install modoboa follow this steps: http://modoboa.readthedocs.org/en/latest/getting_started/install.html I installed modoboa with pip install modoboa Traceback (most recent call last): ...
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2answers
573 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 ...
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1answer
47 views

Python: Move lines backward in a textfile

Imagine a text file which contains random text and two unique markers 01 text text text 02 text text text 03 __DELETE_THIS_FIRST__ 04 text text text 05 text text text 06 text text text 07 text text ...
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3answers
160 views

How to grab the oldest unread message from `mail` in a script?

In a script I am trying to finish writing now, I need to get the oldest unread message from the current user's mailbox (specifically, I need the subject line for this project). After extracting the ...
5
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4answers
2k views

How do I get 'realpath' to find my symbolic link?

I am on MacOSX using bash as my shell. I have symbolic link, created like this: ln -s /usr/bin/python python2 I have a package that uses python2 and I want to create a symbol link in my current ...
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1answer
403 views

makehuman gives “ImportError: No module named numpy”

I installed 1.0.0 on slackware 14.1 makehuman 64bit slackbuilds through the site, but the makehuman does not open, the program appears in the KDE menu but does not open. I do not know why it happens, ...
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1answer
2k views

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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0answers
752 views

Installation location of python modules?

How does one get python modules working on a local machine? I followed the doc here: https://docs.python.org/2/install/ to no avail. I tried putting a known working module in the following locations ...
2
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4answers
2k 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 ...
2
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2answers
293 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 = ...
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0answers
36 views

Need a different header path for compiling

I'm trying to update numpy, a python package, on my fresh install of debian. I have installed from source the latest version of python in /usr/local When trying to update numpy via pip, I get an ...
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0answers
150 views

Why is the Debian package I've created for a single Python script empty?

I have a quite simple Python project that might be very useful for some people. So I thought about packaging it. The project is called maptool and is a tool that allows people who have Panasonic ...
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1answer
870 views

E: python-setuptools upgrade fails, apt-get broken

I wanted to install gnome-maps with apt-get, and then I got this error: Preparing to unpack .../python-setuptools_3.4.1-1_all.deb ... Unpacking python-setuptools (3.4.1-1) over (3.3-1) ... dpkg: ...
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3answers
401 views

What should someone know about using Python scripts in the shell?

I'm wondering what should someone generally know about Python(the interpreter) when using it in the shell in Linux? This is what I have on Gentoo: # ls -al /usr/bin/python*; file /usr/bin/python; ...
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3answers
391 views

Most accurate disk usage report? [duplicate]

Since disk space is allocated in blocks, is it a more accurate representation of the actual space consumed by a directory to report it in blocks vs bytes? If a file of size 1,025 bytes resides on a ...
4
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3answers
12k views

Running python script from terminal without .py extension

I want to call a python script script.py from the terminal by simply typing script. Is this possible? If so, how? I know I can avoid typing python script.py by adding #!/usr/bin/env python to the top ...
2
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1answer
166 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 ...
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1answer
804 views

Bare-bones linux? [closed]

I am working on a homemade OS and I was originally going to write it myself in Assembly and Python, but I decided that doing this would just be easier, faster, and more Linux-y. I have the Python part ...
1
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1answer
3k views

How to exit out of the shell script successfully so that python subprocess think it is successfull exit? [closed]

Below is my shell script which simply execute a url like this http://example.com:8080/beat and parse the response and verify certain conditions on it. If that condition is met, then exit successfully ...
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0answers
78 views

Better approach to generating and adding contents to files

I have an input file like below. 1 First one 2 First two 3 First three 3 Second three I am generating 2 output files like below. #FILE1 1 First one 2 First two 3 First three #FILE2 1 ...
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2answers
906 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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5answers
87 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 ...
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1answer
110 views

How to compile c, c++ and python code as “Released/Final” version? [closed]

I want to know if there are ways to compile C, C++ and Python code in order to not be able to reverse engineering it over Linux or not? I have heard there are some ways over Windows to do it, but I ...
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0answers
187 views

How to import screenlets on Python

(I'm using Ubuntu 10.04 with Linux 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 i686) For some reason I had updated some Python files (I'm not able to tell which ones, but it was ...
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0answers
96 views

Installing cppman

I've tried to install cppman in Fedora 19 or Linux mint 15 and it installs successfully. But when I try to use it I get the error: Python IOError: [Errno 13] Permission denied I've installed it in ...
0
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1answer
136 views

How can I rejoin a process running

I am very new to using Linux. I have a 'machine' on Amazon and I was trying to learn how to use Python on this machine. I started running Python—had to step away for a few minutes and the connection ...
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1answer
2k views

Install wicd on Slackware 14.1

I am trying to install wicd-1.7.2.4 on Slackware 14.1. I couldn't find configure or makefile in wicd-1.7.2.4.tar.gz. Running python setup.py configure (following the INSTALL guide) causes: sh: ...
3
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1answer
148 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 ...
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1answer
2k views

FreeBSD Ports Broken — Python Issue? Portmaster -a

Upgraded FreeBSD from 8.2 >> 8.4 >> 10.0-RELEASE today. In the process, I believe I have mangled my ports tree quite badly and am having issues upgrading/reinstalling ports (as the upgrade asks me to ...
2
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1answer
374 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
5k views

upgrade Python to 2.7.2

I have an embedded system running on Python 2.6.5 and i want it to upgrade to 2.7.2 (I have a running system with different kernel that runs 2.7.2). I have copied the binary but then it told me: ...
3
votes
2answers
3k views

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 ...
11
votes
7answers
14k views

How to restart the Python script automatically if it is killed or dies

I am running my Python script in the background in my Ubuntu machine (12.04) like this - nohup python testing.py > test.out & Now, it might be possible that at some stage my above Python ...
4
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2answers
706 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 ...
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0answers
102 views

Cygwin DenyHosts daemon-control file: no such file or directory error

I have been trying to figure out this error and searched everywhere with no luck. I have installed DenyHosts on Cygwin and also the DenyHosts daemon but when I try to start the daemon by typing: ...
2
votes
0answers
171 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
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 ...
7
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3answers
2k views

Which window manager has Python bindings?

I've been coding bits here and there with Python and I'm most interested in Desktop Environments, for which I always have ideas I want to try out. I have tried to play around with python-xlib but ...
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0answers
368 views

mod_python won't “./configure” because it can't determine httpd version

I'm trying to install mod_python 3.3.1 on Apache 2.4.3 and whenever I try to run ./configure (with apxs etc) and instead of configuring correctly, it says that Apache 2.x is required and my current ...