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

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Is it normal that I need u+w to set extended filesystem attributes?

I noticed that on panfs, Python's copystat fails when the source file does not have the u+w permission bit set; setting attributes fails with Permission denied command line equivalent: (attr_set: ...
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89 views

get values which only occur once in a vector

There is a vector of numbers I have which are in ascending order (it is called t8_) 2 7 8 9 11 15 34 91 91 92 94 The problem is that some numbers happen two times. I don't want to remove them, but ...
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2answers
201 views

How do I get the output of a program already running?

I have a python program that outputs to stdout and a log file. However, the person I am making this for wants to know if I can set it up so that he can see the output of the file, while it is ...
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2answers
131 views

How do I program Python so that it outputs to all terminals in Linux

I am programming a python program for the raspberry pi. Is there a way for me so that when the raspberry pi outputs text, it will show up on all terminals that are currently remotely logged in via ...
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2answers
647 views

How to monitor the screen lock/unlock in the Ubuntu 14.04

I need to implement a function that monitors the screen lock/unlock. I referred to the following article: Run script on screen lock/unlock My python script code works fine in Ubuntu 12.04, but it ...
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2answers
45 views

OpenDNS automatic diagnostics

I've contacted OpenDNS support because advertising is not filtered on this site http://www.backpackerboard.co.nz/ They asked me to read these manual instructions OpenDNS Diagnostic Tool: What to ...
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1answer
256 views

How to append to an environment variable using an .env file?

Assuming the .env file is loaded before execution, how can you append to it without overriding it? DEBUG=True FOO=BAR PYTHONPATH="/Users/James/project/" The above file would (?) override it, and ...
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1answer
569 views

Receiving “Unable to correct problems, you have held broken packages.” after trying to install python -setuptools and python-pip

I ran "sudo apt-get install python-setuptools python-pip" but I received: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be ...
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1answer
27 views

calculate numbers on end and merge to one line

So in a file i have lines like these: thisdata:thisother:1337 thisdata:thisother:1800 thisdata:thisother:1500 thisdata:thisother:46984 I would like to output: thisdata:thisother:51621 for all ...
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1answer
260 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 ...
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1answer
83 views

Ran into a problem running Bpython

I used the sudo apt-get install bpython command to install bpython. Now when I type bpython, I get an error: Traceback (most recent call last): File "/usr/bin/bpython", line 5, in <module> from ...
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1answer
71 views

How the Python suffixes obtained by imp.get_suffixes() are set (in particular in Debian Jessie)?

The command python -c "import imp; print(imp.get_suffixes())" prints a list of tuples with suffixes used when importing modules (see the doc of imp.get_suffixes). Usually it is simply: [('.so', ...
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2answers
145 views

about executing a python program in a shell script which is scheduled on crontab

i have a problem with regards on crontab. I have a script named checker.sh and i want to schedule it that would run every minute: * * * * * sh /home/pi/checker.sh so i have the script here: the ...
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1answer
310 views

Error installing scipy

I'm on Manjaro trying to install scipy in virtualenv using pip. I get this error. How to fix it?
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33 views

invoking python program for each path in makefile vapth

I have a makefile as follows: VPATH = ../../HWP \ ../../hwsv/server \ ../hwpf PROC_INPUT_FILES = abc.c \ def.c \ xyz.c MEM_INPUT_FILES = ...
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1answer
2k views

How to activate Virtualenv when a Python script starts?

I want to schedule a python script to run using cron on certain dates, the problem is that in order for example.py to work, example-env has to be activated, is there a way to make example.py activate ...
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2answers
508 views

How to locally install .deb without apt-get, dpkg or root access?

I'm using python on a Linux cluster (without root access) and want to use the numpy module. After downloading numpy from Numerical Python, extracting and trying to install it with: python setup.py ...
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2answers
2k views

Invoke python script through make command

I have a tool with 5 python scripts say A.py, B.py, C.py, D.py and E.py. I have to run this program in Linux. A.py is the one program I run which imports other files and uses them. For running A.py, I ...
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2answers
175 views

How do I activate Xorg record module on Raspbian?

I'm trying to automate some tests on my RaspberryPi and I'm using python's pymouse to perform some emulated clicks. On my Debian it works fine, but when it comes to Raspbian it keeps failing with this ...
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1answer
124 views

How to catch first line of stdout from bash process substitution?

I am working with the following block of bash and it is not printing out the first line of expected output: exec 3< <(python3 -m http.server) while true; do read -t 2 line ...
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0answers
180 views

python install on linux RHEL5 - GCC 4.1.2-52

I used the following guide from the Beyond Linux From Scratch SVN Book, not knowing that my distribution was actually RPM Based (see comments), and now I am getting the following error during python ...
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1answer
71 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 ...
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1answer
669 views

Installing DevedeNG in kali linux, but missing python dependency it says is already installed

As you can see in the picture it says dependency is not satisfiable, but when I try to install the latest version of python3 the command prompt tells me i have the latest version installed.. Any ...
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2answers
178 views

How can I install youtube-dl on BOSS linux?

I try to install youtube-dl on BOSS Linux by following commands. $ sudo add-apt-repository ppa:nilarimogard/webupd8 $ sudo apt-get update $ sudo apt-get install youtube-dl $ sudo pip install ...
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1answer
209 views

What changes to be done in Python file when Makefile is being used?

I have a set of python class files. I run the MainProgram.py on the linux as python MainProgram.py which uses the rest of the class files.It reads from an input file and write an output file. Until ...
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1answer
157 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 ...
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248 views

Running lpr through command line and through python different outcome

When I run lpr <filename>.jpg the file prints out boderless (this is what I want). When I run subprocess.call("/usr/bin/lpr " + tmp.name, shell=True) from a Python program, it prints out with ...
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1answer
158 views

systemd daemon & python getting the wrong time

I made a daemon that it is started by systemd, and inside my daemon I have a python function to get the time. The problem is that the time is wrong, I have 8 hours of difference. This is my service ...
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1answer
555 views

Fixing a broken PYTHONPATH environment variable

I recently installed some software, which required python to operate. For some reason, it installed its own version of python, and modified the PYTHONPATH variable. Now, when I attempt to import a ...
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1answer
52 views

Packages Containing 'dfsg' in Version Number Causing Issues

I am running the same Python software under both Mint 13 and Mint 17.1 – both are 64-bit. Prior to 64-bit operation the software was running on Mint 13 32-bit. On 64-bit Mint 13 everything works as ...
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1answer
320 views

Fix version issues of Python on CentOS 6.6

I'm very new to Linux and Python as I am an intern, please bare with me. If I'm missing something then let me know I can update the post. I installed python 2.7.9 under a users directory on centOS ...
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2answers
340 views

stderr gets flushed before stdout, when using file logger

My python code: import sys print "i am a daemon" print "i will be run using nohup" sys.stderr.write("i am an error message inside nohup process\n") When i run the code as python a.py, it shows, i ...
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1answer
343 views

Can't use Python3 Package Installer

I successfully installed Python3's Pip and SetupTool packages by: sudo apt-get install python3-pip but when I try to download/install any package for Python3 by: pip install <package-name> ...
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1answer
450 views

pip install gives “TypeError: 'int' object is not iterable ”

In Debian Stretch, when I try to install the python package python-constraint via pip install python-constraint I get the following error; Exception: Traceback (most recent call last): File ...
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290 views

Run git pull from a shell start-up script

I have Raspberry Pi that loads a shell script on start up. This script runs a python script, boot_camera.py, which is found in a repository. I Have a server which sends the Raspberry Pi a command ...
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1answer
77 views

Url Decoding shell script

How can I store the url-decoded string in a variable using shell script #!/bin/sh alias urldecode='python -c "import sys, urllib as ul;print ul.unquote_plus(sys.argv[1])"' ...
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3answers
346 views

How to use vim-slime from within a single tmux session?

I'm trying to integrate ipython and vim through a single tmux session using the popular vim plugin "vim-slime." The problem is that while I can get it to work fine provided that vim is opened in a ...
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1answer
335 views

Centos 7.1.1503 no longer has some static libs that python packages assume are present

I ran repoquery -ql readline-devel and it revealed that only various .so libs are a part of this repository. /usr/include/readline /usr/include/readline/chardefs.h /usr/include/readline/history.h ...
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1answer
493 views

How do I make Python plugins work in Pluma?

I'm trying to add the Python plugin trailsave to the text editor Pluma* (which is a Gedit fork) but the plugin doesn't show up in the "Active plugins" list in the Pluma preferences. Also, I have ...
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0answers
89 views

setting up pycurl for embedded ARM

I am working on a linux x86_64 machine, and I am trying to set up pycurl for an embedded ARM processor running petalinux. I need pycurl library before building the embedded linux image. I have ...
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2answers
120 views

Service start fails after Capistrano2 deploy task

Below is a part of the /etc/init.d script that controls a daemon. The full init.script is available at http://pastebin.com/02G5tpgH case "$1" in start) printf "%-50s" "Starting ...
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61 views

Passing a parameter to a dstat plugin

I wrote a simple plugin (dstat_externalBackup.py) for dstat to monitor the filesystem free space and placed it in /usr/share/dstat and it works as intended. € dstat --externalBackup 3600 extern free ...
2
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1answer
176 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 ...
9
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3answers
2k views

How to list all object paths under a dbus service?

This is a follow-up question to A list of available DBus services. The following python code will list all available DBus services. import dbus for service in dbus.SystemBus().list_names(): ...
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3answers
2k views

Why does python still work after being removed?

On Debian 8 jessie I've removed python: perry@perry:~$ sudo apt-get remove python Reading package lists... Done Building dependency tree Reading state information... Done Package 'python2.7' ...
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120 views

QtPy5 on Raspbian, getting ImportError: cannot import name QtCore

I need to be able to use the latest WebKit that includes WebRTC support How do I install Qt5+QtPy5 on Raspbian? What I have tried so far... Installed Qt5 on RPi2 - PASS Native build Qt5 on RPi2 ...
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15 views

Pip managed python extending distribution packaged modules

I am looking for recommendations on extending the python library managed by my arbitrary distribution with packages available via PPI. Basically I have been working with a distro managed installation ...
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1answer
132 views

Debian Lenny Adafruit_BBIO failure to install

Im sorry if i have this in the wrong forum, but im not sure where to put this. Google Groups is going to be too slow in a response (They are where i posted to first). I have Debian Lenny installed on ...
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2answers
160 views

IPython Qt Console doesn't have a title in GNOME app switcher

When I use the app switcher in GNOME 3.16, the IPython Qt Console (version 3.1.0) doesn't have a title under its icon (see image, and compare with Chromium). I also noticed that the icon doesn't ...
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1answer
87 views

Log output from more than one script

I have a problem concerning the logging of a process: I have 3 scripts, a.py, b.py and c.sh a.py calls b.py and b.py calls c.sh The goal is to continuously log std out/err (write to file and ...