I am using python multiprocessing module to spread say 10000 steps of a given task on 4 workers using a Pool. The task that is sent on the workers is a method of a complex object. If I understand right the documentation, pickle is used to dump and load the object at each step which means 10000 pickling/unpick…
Tag: python
Is there any way to get the output in aws sns to print separate lines for every item in the list
Ok, so I have this lambda function that appends return_values[whatever] list and that is sent to aws sns with the formatting below, the problem is it separates the list item with commas and not with a desired new line. Is there a method to get this formatting correct? I’ve tried the print(*results,sep=&…
Problems with DataFrame indexing with pandas
Using pandas, I have to modify a DataFrame so that it only has the indexes that are also present in a vector, which was acquired by performing operations in one of the df’s columns. Here’s the specific line of code used for that (please do not mind me picking the name ‘dataset’ instead…
Geopandas not exploding
Why isn’t geopandas exploding this series??? Below I have posted the first 5 rows. Clearly multilinestring and that function isn’t throwing any errors. Any suggestions? Any other idea’s of how to convert multilinestring to linestring would be appreciated. Answer Quick tip for your next quest…
Python Argparse – Add multiple arguments to a subparser
I am trying to make a serial terminal app with two different functions. One function lists out available serial ports and the other function opens the specified serial port at the specified baud rate. What I am trying to attempt is be able to select between either listing the ports or opening a port, if the u…
Django 4.x – Conditional order_by of a QuerySet
The Objective The objective is to conditionally order a QuerySet by one of three different date fields in the view based on another field in the model. Since conditional ordering cannot be accomplished with Class Meta I am exploring accomplishing this objective in the view. Here is the relevant excerpt from m…
How to use proxies within browser_cookie3 or any similar library that helps grab cookies?
I’m trying to populate cookies from a domain using this library browser_cookie3. It appears to be doing fine. However, the only and main problem is that I can’t figure out any way how to supply proxies within this library to get cookies from the location the proxy is from. For example, if I use th…
Getting an error “pytest: command not found” while running a Python test from CircleCI
I am trying to learn CircleCI but must say, finding it very difficult to use. I am trying to run my Selenium project code written in Python language but getting pytest: command not found error. I have mentioned the PyTest installation in my requirement.txt file, I also tried to install the PyTest by running t…
Why can’t I use multiple *vars in tuple unpacking on the left-hand side of an assignment?
I am trying to make sense of starred expressions in python. When I use it in python functions, it allows to call functions with different number of arguments: However when I use it in an assignment, it works like this: Can someone explain to me what is happening behind this assignment that doesn’t allow…
Converting an argparse bash script into a python script
Consider the bash script below. The script argparse_test.py is an argparse script with various variables. How would I convert this bash script to a python script so that I could run it in a python IDE with the various variables? Answer This bash input should produce a sys.argv that looks like that’s a r…