Hi, Currently, when a user installs cython, if the Python headers are not found, an error message saying "Python.h: no such file or directory" is shown (Example: https://justpaste.it/v0gz). Would it be possible to suggest an action to install the headers ?
I found http://trac.cython.org/ticket/247 which is quite old, and makes the error message easier to find, but doesn't recommend a solution. `sys.platform`, `platform.linux_distribution` or `distro`[1] can be used to find which OS, platform, etc is and use that to suggest a command like: if sys.version_info < (3, ) and sys.platform.startswith("linux") and platform.linux_distribution()[0] in ("ubuntu", "debian"): print("Python headers were not found. On Debian/Ubuntu, `sudo apt-get install python-dev` should install the Python headers.") elif sys.version_info < (3, ) and sys.platform.startswith("linux") and platform.linux_distribution()[0] in ("ubuntu", "debian"): print("Python headers were not found. On Debian/Ubuntu, `sudo apt-get install python3-dev` should install the Python3 headers.") This would help so that non-developers can use cython based packages easily as it provides helpful instructions on what to do. Currently, you essentially search for the error message and go to one of the forums/blogs explaining what can be done. Or maybe by default it can just point the user to an Installation Page which explains in detail what needs to be done to get those headers for various systems ? [1] - https://pypi.python.org/pypi/distro
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