generating-python-installer

generating-python-installer is a skill for Claude Code, Codex from nklofy/code-agent-skills. It costs 108 tokens per session (8,988 once invoked), scanned A, a copy of generating-python-installer, Apache-2.0.

A Windows-focused workflow for compiling Python applications with Nuitka, removing unnecessary files, and packaging the result with Inno Setup.

In plain words
What is it for?
Use it for advanced Python release packaging, DLL and dependency analysis, distribution slimming, and optimized Windows installers.
Why use it?
It helps reduce installer size and improve startup speed while producing a cleaner Windows installation and uninstall.

Skill for Claude CodeCodex

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

Good fit Use it for advanced Python release packaging, DLL and dependency analysis, distribution slimming, and optimized Windows installers.

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Install with agentmods
npx agentmods add skills/nklofy/code-agent-skills/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 nklofy/code-agent-skills --skill generating-python-installer
Clone the repo
git clone --depth 1 https://github.com/nklofy/code-agent-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for generating-python-installer

README.md
[![agentmods](https://agentmods.dev/badge/skills/nklofy/code-agent-skills/generating-python-installer.svg)](https://agentmods.dev/skills/nklofy/code-agent-skills/generating-python-installer)
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<a href="https://agentmods.dev/skills/nklofy/code-agent-skills/generating-python-installer"><img src="https://agentmods.dev/badge/skills/nklofy/code-agent-skills/generating-python-installer.svg" alt="Measured on agentmods" height="20"></a>
Per session 108 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 8,988 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 88% 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 $0.00108 $0.08988
Opus 5 $0.00054 $0.04494
Sonnet 5 $0.00022 $0.01798
Haiku 4.5 $0.00011 $0.00899

Measured 3d ago against content hash b214c00051ee, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, 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 3d 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

88% 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.

affaan-m-ECC/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. 3d ago First seen · 821 lines · 108 tokens per session scan A b214c00051ee

Subscribe to this mod's changes

generating-python-installer is a skill published in the GitHub repository nklofy/code-agent-skills (18 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 108 tokens to every session and 8,988 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. It is 88% identical to generating-python-installer, differing in 28 lines, and is treated as a copy.

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