I’m a beginner in Python and I’m trying to write a script that will take in a unix stdout file and convert it into a JSON format file. The format of the file is the following on every line: The path can contain whitespaces and backslash characters, an example is: Now my problem is that if I use the split(“
Tag: python
Why multiprocessing.Pool and multiprocessing.Process perform so differently in Linux
I ran some test code as below to check the performance of using Pool and Process in Linux. I’m using Python 2.7. The source code of multiprocessing.Pool seems showing it’s using multiprocessing.Process. However, multiprocessing.Pool cost much time and mem than equal # of multiprocessing.Process, and I don’t get this. Here is what I did: Create a large dict and then
Join two csv files
csvfile1 csvfile2 expected output I would like to combine the columns longitude,latitude and timestamp of both the files. There are two longitudes and two latitudes in csvfile2. So i want to compare if it matches any one of the longitude-latitude pairs along with the timestamp. And the column name order is also different in both the files. Any help would
Forking, daemonizing and monitoring a python script
I have a python script sc.py on my debian server. I would like : To run it as a daemon and keep it running indefinitely To run it N times (as sub processes, children, forks) in // To monitor the whole processes (in order to restart any dying process) Do you know software that would enable me to do so?
How to run multiple linux commands as a sequence of arguments through subprocess.Popen Python
code-1 : Passing linux commands as a sequence of arguments Output – 1: In the above code I am trying to run multiple linux commands by passing them as a sequence of arguments. If I am modifying the above code to the following one it works fine. code-2 : Pass linux commands as a string Output – 2 : As
Copy file to USB automatically on mount Raspberry Pi
I’m currently doing a project which requires a file to be automatically copied to USB-stick on mount. Based on my research in internet, I believe it is doable using udev rule. So, when an USB is inserted into my RPi2, the udev rule will then execute a python script which allows file to be copied to the USB-stick. Problem is,
Can’t seem to setup my Django project properly
I was trying the official tutorial of Django because I want to learn it. I run Archlinux 4.10.11-1 64 bits. First, I created a folder named djangoapp where I set my virtual environment: $ virtualenv djangoapp I set my current directory to this folder, and then I activated it: $ source bin/activate And I installed Django after: $ pip install
python ctypes C++ get back char* missing last character on linux
i have the following C++ code: which is using ifreq to get the mac address of the local PC and sticks it into a array of chars. The routine gets compiled in the “Utility.so” Then i have the following python code: and i get the following result 02:00:AC:99:00:9 when my MAC is actually: 02:00:AC:99:00:9C So im’ missing the last char.
pip install pickle not working – no such file or directory
Ubuntu 16.04 LTS, trying to install cpickle with pip. I’ve searched a bit, haven’t found anything useful yet. PYTHONPATH isn’t set. Error message troubleshooting steps Answer Checking on the interweb, I found this A common pattern in Python 2.x is to have one version of a module implemented in pure Python, with an optional accelerated version implemented as a C
how to make the progame start only one process?
I have a python project using python stand lib socketserver to listening on a tcp socket for data receiving. I create a one-single executable file using pyinstaller, now I run the binary program on linux, there are two process. After exit the current session and re-login, there are still two process. How can I do make the program only one