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Why is Pyodide giving me a 'File is not a zip file' error when I try to install a .whl package using micropip?

I'm trying to import a .whl package using micropip into pyodide for use in an html file, but am getting an error about "must be a zip file"?

Based on the documentation of micropip here, I assume the micropip.install() should be linked to a .whl file and not .zip. I used python3 -m build to create the .whl file, and then uploaded it to github.

This is the error code:

pyodide.asm.js:14 Uncaught (in promise) PythonError: Traceback (most recent call last):   File "/lib/python3.10/asyncio/futures.py", line 201, in result     raise self._exception   File "/lib/python3.10/asyncio/tasks.py", line 234, in __step     result = coro.throw(exc)   File "/lib/python3.10/site-packages/micropip/_micropip.py", line 183, in install     transaction = await self.gather_requirements(requirements, ctx, keep_going)   File "/lib/python3.10/site-packages/micropip/_micropip.py", line 173, in gather_requirements     await gather(*requirement_promises)   File "/lib/python3.10/asyncio/futures.py", line 284, in __await__     yield self  # This tells Task to wait for completion.   File "/lib/python3.10/asyncio/tasks.py", line 304, in __wakeup     future.result()   File "/lib/python3.10/asyncio/futures.py", line 201, in result     raise self._exception   File "/lib/python3.10/asyncio/tasks.py", line 232, in __step     result = coro.send(None)   File "/lib/python3.10/site-packages/micropip/_micropip.py", line 245, in add_requirement     await self.add_wheel(name, wheel, version, (), ctx, transaction)   File "/lib/python3.10/site-packages/micropip/_micropip.py", line 313, in add_wheel     with ZipFile(io.BytesIO(wheel_bytes)) as zip_file:   File "/lib/python3.10/zipfile.py", line 1258, in __init__     self._RealGetContents()   File "/lib/python3.10/zipfile.py", line 1325, in _RealGetContents     raise BadZipFile("File is not a zip file") zipfile.BadZipFile: File is not a zip file

My code looks something like this:


<!DOCTYPE html>

    <p>My first Pyodide app</p>
    
    <script type="text/javascript">
      async function main() {
        let pyodide = await loadPyodide();
        await pyodide.loadPackage("micropip");
        const micropip = pyodide.pyimport("micropip");
        await micropip.install("url of .whl file");
        await pyodide.runPython(`
        import <package-name>
      `);
      }
      main();
    </script>


source https://stackoverflow.com/questions/76335688/why-is-pyodide-giving-me-a-file-is-not-a-zip-file-error-when-i-try-to-install
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