Hey there, let's work through this issue together—since you're new to Python, this is a super common hiccup when installing packages that need to compile C code (like pygrib), so don't stress!

What's the Root of the Problem? #

The error fatal error C1083: 无法打开包含文件: 'Python.h': 没有这样的文件或目录 pops up because the Python version bundled with Thonny doesn't include the development headers and libraries required to build C extensions. Most "bundled" Python distributions only include the files needed to run existing scripts, not compile new extensions from source.

Step-by-Step Solutions #

Option 1: Switch to an Official Python Installation (Most Reliable for Beginners)

This fixes the missing header issue long-term and avoids other potential compilation headaches:

• Download and install the official Python 3.6 (matching the version Thonny is using) from Python's official release page. Make sure to check "Add Python to PATH" during installation, and in the "Customize Installation" step, ensure "Python development headers and libraries" is selected.
• Open Thonny, click the Python version number in the bottom-right corner, then select "Select interpreter". Pick the official Python 3.6 you just installed.
• Try installing pygrib again: use Thonny's built-in package manager (Tools > Manage Packages) or run pip install pygrib in a terminal.

Option 2: Use a Pre-Compiled pygrib Wheel (Skip Compilation Entirely)

Compiling pygrib on Windows often requires extra system dependencies (like ecCodes/grib-api), so using a pre-built wheel file is way smoother for new users:

• Find a pre-compiled wheel file that matches your Python 3.6 (32-bit, since your error shows win32-3.6) version. Look for a file named something like pygrib-2.0.3-cp36-cp36m-win32.whl.
• Download that file, then in Thonny's terminal (or a regular command prompt), run:

  pip install path/to/your/downloaded/pygrib-file.whl
  

  Replace path/to/your/downloaded/ with the actual folder where you saved the wheel file.

Option 3: Manually Specify the Header Path (If You Want to Stick to Thonny's Bundled Python)

Note: This only works if the bundled Python actually has the header files—first check if Python.h exists in C:\Users\SSQ1\.thonny\BundledPython36\include. If it's not there, skip to Option 1 or 2.

• If the file is present, run this command in Thonny's terminal to install pygrib with the correct header path:

  pip install pygrib --global-option=build_ext --global-option="-IC:\Users\SSQ1\.thonny\BundledPython36\include"
  

内容的提问来源于stack exchange，提问作者Marco Tela