[PATCH] When kmodpy is not available call kmod binary directly

[Michal Suchánek]

On Fri, Mar 21, 2025 at 11:59:10AM +0100, Michal Suchanek wrote:
> kmodpy is an unmaintained project. Python is not really good at
> backwards compatibility. With the upstream project not keeping up with
> python churn using the library is a maintenance burden.
> 
> nvmet does not use the python library in any substantial way, it only
> loads a module once. This can be easily accomplished without any library
> using the modprobe tool directly.

Forgot

Signed-off-by: Michal Suchanek <msuchanek at suse.de>

> ---
>  nvmet/nvme.py | 17 ++++++++++++++---
>  1 file changed, 14 insertions(+), 3 deletions(-)
> 
> diff --git a/nvmet/nvme.py b/nvmet/nvme.py
> index 59efdb5b7c1b..397f103abcdb 100644
> --- a/nvmet/nvme.py
> +++ b/nvmet/nvme.py
> @@ -256,9 +256,20 @@ class Root(CFSNode):
>              # Try the ctypes library included with the libkmod itself.
>              try:
>                  import kmod
> -                kmod.Kmod().modprobe(modname)
> -            except Exception as e:
> -                pass
> +
> +                try:
> +                    kmod.Kmod().modprobe(modname)
> +                except Exception as e:
> +                    pass
> +            except ImportError:
> +                # Try the binary specified in /proc
> +                try:
> +                    kmod = None
> +                    with open('/proc/sys/kernel/modprobe', 'r') as f:
> +                        kmod = f.read().rstrip()
> +                    os.system(kmod + ' ' + modname)
> +                except Exception as e:
> +                    pass
>  
>      def _list_subsystems(self):
>          self._check_self()
> -- 
> 2.47.1
>