List all loadable kernel modules

list-kernel-modules.py

import json
import subprocess
import sys
from pathlib import Path

skipped_keys = [
    'sig_id',
    'signer',
    'sig_key',
    'sig_hashalgo',
    'signature',
    'srcversion',
    'vermagic',
    'filename',
    'license',
    'author',
]

if __name__ == '__main__':
    kversion: str = sys.argv[1]

    modules: list = []

    for module in Path(f"/lib/modules/{kversion}").rglob("*.ko*"):
        cmd = ["modinfo", module.absolute()]
        sp = subprocess.run(cmd, capture_output=True)

        obj: dict = {}
        key: str = ""
        for line in sp.stdout.decode('utf8').split("\n"):
            if line.find("\t") == 0:
                continue

            if line.find(":") == -1:
                continue

            key, value = line.split(":", 1)

            value = value.strip()

            if value == "":
                value = None

            if value is None:
                continue

            if key in skipped_keys:
                continue

            if key in ['depends']:
                if line.find(",") != -1:
                    value = value.split(",")

            if key in ['intree', 'retpoline']:
                if value == "Y":
                    value = True
                else:
                    value = False

            if key not in obj:
                obj[key] = value
            else:
                if not isinstance(obj[key], list):
                    obj[key] = [obj[key]]
                obj[key].append(value)

        if 'parm' in obj:
            parms = {}
            if isinstance(obj['parm'], str):
                obj['parm'] = [obj['parm']]

            for i in obj['parm']:
                k, v = i.split(":", 1)
                v = v.strip()
                parms[k] = v

            obj['parm'] = parms

        modules.append(obj)

    print(json.dumps(modules, indent="  "))