Windows 7下Visual Studio 2017的Python安装方案选择咨询

Hey there! Let's break down these two Python setup choices for your Windows 7 and Visual Studio 2017 environment to help you pick the right fit.

Option 1: Download Python from the Official Website #

Pros #

• Newer, supported versions: Windows 7 works with Python up to 3.8.x (versions 3.9+ drop Win7 support). This lets you grab a version way more recent than VS 2017's built-in 3.6.3, with access to modern features (like dataclasses, improved asyncio) and critical security patches (Python 3.6 reached end-of-life in late 2021, so no more security updates for it).
• Full flexibility: You can pair this standalone Python installation with any compatible compiler, linker, or debugger you need. It's also easier to manage multiple Python versions later (using virtual environments or version managers) if your projects require different setups.
• Independent of VS: Your Python environment won't be impacted if you update or uninstall Visual Studio—perfect if you need to use Python outside the VS IDE too.

Cons #

• Minor manual setup: You'll need to check the "Add Python to PATH" box during installation, and may have to manually point VS to this interpreter (though VS usually detects it automatically if PATH is set).
• No automatic updates: You'll have to keep an eye on Python's official releases yourself—there's no built-in auto-update prompt like you get with VS components.

Option 2: Install Python via Visual Studio 2017's Python Deployment Component (3.6.3) #

Pros #

• Zero-config integration: Once installed, VS 2017 automatically recognizes this Python interpreter. You can jump straight into creating projects, debugging, and running code without extra setup—ideal if you only use VS for Python development.
• VS-linked updates: As you guessed, Visual Studio will prompt you if there are updates to this component (note: these updates are usually minor compatibility fixes rather than jumps to newer Python versions).
• Tight tooling integration: Debugging and project management feel seamless with VS's built-in tools, and it's easier to work across languages (like calling Python from C++) if that's part of your workflow.

Cons #

• Outdated, unsupported version: Python 3.6.3 is extremely old, missing tons of modern features and no longer receiving security patches. This could be a risk if you're working on projects handling sensitive data or relying on up-to-date libraries.
• Limited flexibility: If you ever need a newer Python version, you'll still have to install a standalone copy. Plus, the environment is tied to VS—uninstalling VS will remove this Python installation too.

Final Recommendation #

• Go with Option 2 if you want a no-fuss setup, only plan to use Python within VS 2017, and don't need the latest Python features or security updates.
• Choose Option 1 if you want a supported, up-to-date Python environment, need flexibility for multiple projects/environments, or might use Python outside of VS. It's a bit more setup upfront, but it's a more future-proof choice.

内容的提问来源于stack exchange，提问作者Francis Cugler