Using cattrs to structure data and I want to omit x1 string field. I want to perform a trivial cleanup on strings that have been passed in except for the password field. I can get it to work on all strings I can fool cattrs by passing in the adminpass field as Any but this is a bit clunky. The
Tag: serialization
Nested Serializer save post foreign key in django
In my project, the relationship between Product and Group is ManytoOne. When I tried to post a new product, it cannot work. I’m sure there are more issues with this code and I will appreciate a detailed answer, because I am new to Django and Python. Thank you in advance. models.py serializers.py views.p…
DRF: How to pass extra context data to serializers
I was searching the net and found the similar problem but it doesn’t work in my case, Idk why. I try to put some extra data to context in serializer, but get only 3 default fields: request, view and format and no mention for my custom data. My model: My Serializer: My ModelViewSet: I was debugging it th…
Django Rest Frame Work: passing User in djago rest frame work
I have a Django project as following code in model following code in serializer and following code in view when I send a post request by postman and send username and password in Authorization tab it error: but if I type username or password incorrect it will be can everybody help me? Answer Your serializer h…
Saving and Loading a Vowpal Wabbit model in python with –safe_resume –cb_explore
I would like to do online training with a contextual Vowpal Wabbit model, so I need to save and reload frequently. However, whenever I try to reload a model (which was initialized with –save_resume), I get an exception with: Example Code to reproduce: Python 3.8.5 vowpalwabbit==8.10.1 If I don’t u…
If statement recognising comparison as false when it is quite obviously true
I am currently forcing some errors using serial to test I am reading them correctly. I am receiving at least one error message each time that is within errorHandling. But for some reason, the if statement isn’t recognising the error code as being in the errorHandling list. What am I missing? printing to…
Pydantic enum field does not get converted to string
I am trying to restrict one field in a class to an enum. However, when I try to get a dictionary out of class, it doesn’t get converted to string. Instead it retains the enum. I checked pydantic documentation, but couldn’t find anything relevant to my problem. This code is representative of what I…
Is it possible to parallelize this program (Simpson’s Rule) in Python?
I am new to the parallelizing paradigm. I already have the algorithm working in its serial form but I can’t parallelize it. I have asked around and some have told me that the way my program is written can’t be parallelized. Here is my serial code, any help or recommendation will be kindly apprecia…
What is the advantage of saving `.npz` files instead of `.npy` in python, regarding speed, memory and look-up?
The python documentation for the numpy.savez which saves an .npz file is: The .npz file format is a zipped archive of files named after the variables they contain. The archive is not compressed and each file in the archive contains one variable in .npy format. […] When opening the saved .npz file with l…
Send and receive objects through sockets in Python
I have searched a lot on the Internet, but I haven’t been able to find the solution to send an object over the socket and receive it as is. I know it needs pickling which I have already done. And that converts it to bytes and is received on the other hand. But how can I convert those bytes to