A python evdev device has a .grab() function that prevents other processes from getting input events on the device. Is there any way to limit this to specific events from a device? For my example, if I .grab() a pen input device that has pressure sensitivity and tilt and 2 click buttons on the side, how would…
Tag: linux
Linux command from python to execute inside subfolders
This is my folder structure: As their are many csv files inside a particular date. i want to combine all csv file inside each date folder with header of 1st file only into one single file and name is as orderno_year_month_date.csv. means every datefolder will have have only one csv named after their parent fo…
How to set Python 3.8 as my default python version on kali linux
I installed python 3.8 in my kali linux OS, but when I type python in kali linux terminal it showing like this How can I set Python 3.8 as my default? Answer Hope this answers your question. The easiest way would be to run alias python=python3 . So, now if you run the command python it will load python3 inste…
xdg-open: no method available for opening ./directory
I try to open a directory using xdg-open in Ubuntu. It works if I run xdg-open ./dir in terminal. I have a Flask web app that opens directories using xdg-open in some situations. When I start the app from terminal in development mode (By running $ flask run ) it works and opens all directories without any pro…
install python packages using init scripts in a databricks cluster
I have installed the databricks cli tool by running the following command pip install databricks-cli using the appropriate version of pip for your Python installation. If you are using Python 3, run pip3. Then by creating a PAT (personal-access token in Databricks) I run the following .sh bash script: python_…
python3.7 subprocess failed to delete files for me
I have a python script using ‘subprocess’ running linux command to confirm my task is doing the right thing, and it worked well. But i found that at the same time it will generate some log files when running my task. So i added a clean up function to rm log files for me at the beginning. My script…
Why is Pip not working after upgrading Python to 3.8?
I was working on a 2D game using python 3.6.8 and pip3. Everything was working fine. Then i downloaded and installed python 3.8. Now, pip won’t work at all. These are the errors I am getting when running “pip3 install arcade”: PLEASE HELP, I would like to continue making my game. Answer The …
Serial RS485 / RS232 communication with TDK-Lambda ZUP very slow only in Linux
In our experiment, we use many ZUP power supplies to power up the electronics. The exact models are TDK-Lambda ZUP80-2.5 and ZUP6-33. They are remotely controlled and monitored by a server running Linux. The problem is that the serial communication is very slow. By slow I mean that the ZUP baud rate can be se…
How do I output a recursive list of files to a text file without using glob (python3.4)
I am trying to recursively go through all the directories in the “boards” directory and find files that end in ‘.vhd’ and then output them to a text file. I am using python 3.4 so I don’t have access to recursive glob. I want ‘rel_paths.txt’ to look like this in the i…
What is the difference between C.UTF-8 and en_US.UTF-8 locales?
I’m migrating a Python application from an Ubuntu server with a en_US.UTF-8 locale to a new Debian server which comes with C.UTF-8 already set by default. I’m trying to understand if there could be any impact from this change. Answer In general C is for computer, en_US is for people in US who spea…