I want to get a certificates serial number using python: Unfortunately it fails in the first line: How do I read an ASN.1 file format (DER) in Python? Answer You are opening the file as a text file, which means read tries to decode the data using UTF-8 in order to return a str object. Instead, open it as a
Tag: python-3.x
Python 3 alternatives for __getinitargs__
Is there a short enough way to call the __init__ constructor of a class during unpickling in Python 3? The usual way to do this was using __getinitargs__ like so However, the __getinitargs__ will be ignored in new style classes and in Python 3+, all classes can only be new style classes. There is the __getnew…
How to rotate slices of a Rubik’s Cube in python PyOpenGL?
I’m attempting to create a Rubik’s Cube in Python, i have gotten as far as visually representing the cube. Struggling a bit with how to implement rotation. I guess i’m asking for feedback as to how to go about doing this. I thought at first of, rotating each cubes set of vertices’s, wi…
Multiprocessing causes Python to crash and gives an error may have been in progress in another thread when fork() was called
I am relatively new to Python and trying to implement a Multiprocessing module for my for loop. I have an array of Image url’s stored in img_urls which I need to download and apply some Google vision. This is my runAll() method I am getting this as the warning when I run it and python crashes Answer Thi…
How do I scrape a full instagram page in python?
Long story short, I’m trying to create an Instagram python scraper, that loads the entire page and grabs all the links to the images. I have it working, only problem is, it only loads the original 12 photos that Instagram shows. Is there anyway I can tell requests to load the entire page? Working code; …
Python error: FileNotFoundError: [Errno 2] No such file or directory
I am trying to open the file from folder and read it but it’s not locating it. I am using Python3 Here is my code: Error: FileNotFoundError: [Errno 2] No such file or directory: ‘USC00110072.txt’ Answer You are not giving the full path to a file to the open(), just its name – a relativ…
how does scope work when using property in Python 3?
Newbie question about scope: in the following example, how is property able to get access to getx and setx etc. That is, why don’t those names have to be qualified with a C.getx, for example? The code is directly from the python docs (https://docs.python.org/3/library/functions.html#property): Update: b…
Formatting Json for Python LocustIO
Why am I getting bad request for this post calls? It has to do with json formatting. How do I reformat the json object passed as param? I’m running a load test using LocustIO and Python. Answer json.dumps takes as input json object (lists & dictionaries) and serializes it giving a string as output. …
Highlight rows from a DataFrame based on values in a column in Python Pandas
I have been trying to highlight some rows in a pandas dataframe based on multiple conditions. I’m expecting that when a string in the target column match the criteria defined in the function, the entire row will be highlighted. I tried different combinations of the .style.apply method, but it kept givin…
Nested lambda statements when sorting lists
I wish to sort the below list first by the number, then by the text. Attempt 1 I was not happy with this since it required splitting a string twice, to extract the relevant components. Attempt 2 I came up with the below solution. But I am hoping there is a more succinct solution via Pythonic lambda statements…