Topics covered in this episode:

LLM Catcher
On PyPI Quarantine process
RESPX
Unpacking kwargs with custom objects
Extras
Joke

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Michael #1: LLM Catcher

via Pat Decker
Large language model diagnostics for python applications and FastAPI applications .
Features
- Exception diagnosis using LLMs (Ollama or OpenAI)
- Support for local LLMs through Ollama
- OpenAI integration for cloud-based models
- Multiple error handling approaches:
  - Function decorators for automatic diagnosis
  - Try/except blocks for manual control
  - Global exception handler for unhandled errors from imported modules
- Both synchronous and asynchronous APIs
- Flexible configuration through environment variables or config file

Brian #2: On PyPI Quarantine process

Michael #3: RESPX

Mock HTTPX with awesome request patterns and response side effects
A simple, yet powerful, utility for mocking out the HTTPX, and HTTP Core, libraries.
Start by patching HTTPX, using respx.mock, then add request routes to mock responses.
For a neater pytest experience, RESPX includes a respx_mock fixture

Brian #4: Unpacking kwargs with custom objects

Rodrigo
A class needs to have
- a keys() method that returns an iterable.
- a __getitem__() method for lookup
Then double splat ** works on objects of that type.

Extras

Brian:

A surprising thing about PyPI's BigQuery data - Hugovk
- Top PyPI Packages (and therefore also Top pytest Plugins) uses a BigQuery dataset
- Has grabbed 30-day data of 4,000, then 5,000, then 8,000 packages.
- Turns out 531,022 packages (amount returned when limit set to a million) is the same cost.
- So…. hoping future updates to these “Top …” pages will have way more data.
Also, was planning on recording a Test & Code episode on pytest-cov today, but haven’t yet. Hopefully at least a couple of new episodes this week.
Finally updated pythontest.com with BlueSky links on home page and contact page.

Michael:

Follow up from Owen (uv-secure):
- Thanks for the multiple shout outs! uv-secure just uses the PyPi json API at present to query package vulnerabilities (same as default source for pip audit). I do smash it asynchronously for all dependencies at once... but it still takes a few seconds.

Joke: Bugs hide from the light!

#417 Bugs hide from the light

Python Bytes