pyodide/docs/faq.md

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# Frequently Asked Questions (FAQ)
### How can I load external python files in Pyodide?
The two possible solutions are,
- include these files in a python package, build a pure python wheel with
`python setup.py bdist_wheel` and [load it with micropip](./pypi.html#installing-wheels-from-arbitrary-urls).
- fetch the python code as a string and evaluate it in Python,
```js
pyodide.eval_code(pyodide.open_url('https://some_url/...'))
```
In both cases, files need to be served with a web server and cannot be loaded from local file system.
### Why can't I load files from the local file system?
For security reasons JavaScript in the browser is not allowed to load local
data files. You need to serve them with a web-browser.