Several dependency management file types are available in the Python ecosystem—requirements.txt, uv.lock, pyproject.toml, etc. With uv, we can handle most of them. Here is a transition graph showing how to move from one state to another using uv commands. Note: "libs in env" refers to installed dependencies in a …

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If you just want to serve an LLM model with WSL2 on your old laptop, this is for you. The official document have introduced how to build and run SGLang in CPU with docker. But there several issues with the image built based on the tutorial: SGLang deps on VLLM, which is not installed SGLang code requires NUMA to run So …

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This is a guide for serving the MiniCPM4 0.5b model with CPU only(in my laptop WSL Ubuntu 24.04). The model is served by llama.cpp, and I break down it for several steps. Download the model from hf 1huggingface-cli download openbmb/MiniCPM4-0.5B Install(and compile) the llama.cpp 1# build llama.cpp 2git clone …

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stdio is one of the transport mechanisms MCP(Model Context Protocol) natively supports. Actually stdio is the only transport mechanism Claude Desktop supports currently(as in May, 2025). This article will show you how to call a MCP server in the shell, without mcp dev or any third party tools, only with echo > or …

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The article talks about a method for measuring the resources used by a process invoked by subprocess.run or subprocess.Popen. We can use psutil to get realtime usage data of a process. Using psutil may not provide accurate resource measurements for short-lived processes, as it samples usage at intervals and can miss …

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When grep a very large log file to find the last occurrence of some string, it is much than efficient to back iterate the files from the last line than methods using tail or tail -n. And I just found tac from coreutils, best suiting the job. tac is the reverse of cat, the job I mentioned above can be done via: 1tac …

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I try to implement a Python version of the Result<T, E> sum type in rust which can be used with match/case pattern matching. The pattern matching with sub-patterns like case Err(e) could be implemented in Python with the match_args dunder attribute. This is how Result[T, E], OK() and Err() defined: 1import typing 2 …

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I have been trying to run wasm code built with wasm-pack with pythonmonkey, a Mozilla SpiderMonkey JavaScript engine embedded into the Python Runtime. Consider a lib.rs as follow: 1use wasm_bindgen::prelude::*; 2 3#[wasm_bindgen] 4pub fn add(a: i32, b: i32) -> i32 { 5 return a + b; 6} With wasm-pack, we can build the …

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mesop is popular with AI apps, since is can be used to build web apps with Python without frontend works. mesop is developed upon the popular frontend framework flask. How about combine the natural abilities of flask while developing with mesop? Let do a little research. Access flask request instance(including headers, …

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Sometimes I want to create a partial model definition of a pydantic model. For example, if I want to expose a database model from API, some of the fields I would like to keep in secret, or I just want to expose very few fields in a summary API. I don't want to write model definition twice. I would like to write …

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