generating-python-installer

generating-python-installer is a skill for Claude Code, Codex from gongyijie85/dsh-ecc. It costs 112 tokens per session (8,992 once invoked), scanned A, a copy of generating-python-installer, MIT.

A guide to building small, fast Windows installers for Python applications using Nuitka compilation and Inno Setup packaging.

In plain words
What is it for?
Use it to compile a Python application, remove unnecessary files and libraries, inspect DLLs, and create a clean Windows installer.
Why use it?
It helps avoid oversized builds, slow startup, leftover files, and unwanted console windows when shipping a Python app.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to compile a Python application, remove unnecessary files and libraries, inspect DLLs, and create a clean Windows installer.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/gongyijie85/dsh-ecc/generating-python-installer
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add gongyijie85/dsh-ecc --skill generating-python-installer
Clone the repo
git clone --depth 1 https://github.com/gongyijie85/dsh-ecc

Made for: Claude Code, Codex.

Wrote this? Show the measurements

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README.md
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<a href="https://agentmods.dev/skills/gongyijie85/dsh-ecc/generating-python-installer"><img src="https://agentmods.dev/badge/skills/gongyijie85/dsh-ecc/generating-python-installer.svg" alt="Measured on agentmods" height="20"></a>
Per session 112 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 8,992 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 83% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00112 $0.08992
Opus 5 $0.00056 $0.04496
Sonnet 5 $0.00022 $0.01798
Haiku 4.5 $0.00011 $0.00899

Measured 4d ago against content hash 47e73ef601d9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

generating-python-installer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

83% identical to generating-python-installer — 28 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/generating-python-installer/SKILL.md · 821 lines

How it starts

The opening of the file, as written. The whole thing — 821 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Generating Python Installer (Commercial-Grade)

You are a Python commercial deployment expert. Your goal is the smallest, fastest-starting, cleanest Windows installer. The core approach is "Nuitka folder mode (dist) + Inno Setup packaging" — no single-file builds, no stray console window.

When to Activate

Activate when the user explicitly asks for advanced Python packaging or size/startup optimization on Windows:

  • Nuitka extreme / commercial-grade compilation, smallest-size or fastest-startup builds
  • dist folder slimming, DLL footprint analysis, 32-bit vs 64-bit size tradeoffs
  • Inno Setup packaging with full metadata and a clean, residue-free uninstall

This skill targets advanced size/startup optimization — not basic one-file "script to exe" conversion.

How It Works

  1. Confirm build parameters — app name, version, publisher, exe name, source/output dirs, icon. Never auto-fill; ask the user.
  2. Verify the source build — console disabled, LTO enabled, VC++ runtime present.
  3. Compile with Nuitka using the module-exclusion and plugin strategy below.
  4. Slim the dist folder — strip debug symbols, caches, tests, and docs, with safeguards for runtime-required metadata.
  5. Analyze DLLs to find and trim the largest dependencies.
  6. Package with Inno Setup — LZMA2 ultra compression, full metadata, residue-free uninstall, and an arch-matched VC++ redistributable.

Examples

  • "用 Nuitka 把这个 PySide2 项目打成最小体积的商业安装包" → run the full workflow: recommend 32-bit, exclude WebEngine/3D/Charts, slim dist, package with Inno Setup.
  • "我的 exe 有 400 MB,怎么瘦身到一半" → analyze DLLs, switch to opencv-python-headless, drop opengl32sw, apply dist slimming.
  • "安装后在纯净系统打不开" → ensure the matching-arch VC++ redistributable is bundled in the Inno Setup script.

核心理念

坚持 "Nuitka 文件夹模式(dist) + Inno Setup 封装" 方案。拒绝单文件版,拒绝黑窗。


实战参考案例(生产级 PySide2 桌面应用,323 MB,含 OpenCV / Playwright)

项目概况

  • 总体积: 323 MB
  • 打包工具: PyInstaller 4.7 (32位)
  • 主要依赖: PySide2 (22.52 MB), OpenCV (62.38 MB), Playwright (76.74 MB)
  • Python 版本: Python 3.8 (32位)
  • DLL 数量: 71 个,总计 93.23 MB

Read the full file on GitHub · 821 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 821 lines · 112 tokens per session scan A 47e73ef601d9

Subscribe to this mod's changes

generating-python-installer is a skill published in the GitHub repository gongyijie85/dsh-ecc (6 stars, last pushed yesterday), licensed MIT. It adds 112 tokens to every session and 8,992 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. It is 83% identical to generating-python-installer, differing in 28 lines, and is treated as a copy.

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