confluent/genesis/getlicenses.py

import subprocess
import sys
import shlex

def runcmd(cmd):
    return subprocess.check_output(shlex.split(cmd)).decode('utf8').split('\n')

def getsrpm(rpm):
    rpminfo = runcmd(f'rpm -qi {rpm}')
    for inf in rpminfo:
        if inf.startswith('Source RPM'):
            srpm = inf.split(':', 1)[1].strip()
            return srpm

srpmtorpm = {}
rpmtosrpm = {}
allrpmlist = runcmd('rpm -qa')
for rpm in allrpmlist:
    if not rpm:
        continue
    srpm = getsrpm(rpm)
    rpmtosrpm[rpm] = srpm
    if srpm in srpmtorpm:
        srpmtorpm[srpm].add(rpm)
    else:
        srpmtorpm[srpm] = {rpm}

with open(sys.argv[1]) as rpmlist:
    rpmlist = rpmlist.read().split('\n')
licenses = set([])
licensesbyrpm = {}
for rpm in rpmlist:
    if not rpm:
        continue
    srpm = rpmtosrpm[rpm]
    if srpm.startswith('linux-firmware'):
        continue
    for relrpm in srpmtorpm[srpm]:
        liclist = runcmd(f'rpm -qL {relrpm}')
        for lic in liclist:
            if not lic:
                continue
            if lic == '(contains no files)':
                continue
            licensesbyrpm[rpm] = lic
            licenses.add(lic)
for lic in sorted(licenses):
    print(lic)
manualrpms = [
    'ipmitool',
    'almalinux-release',
    'libaio',
    'hwdata',
    'snmp',
    'libnl3',
    'libbpf',  # this is covered by kernel
    'sqlite',  # public domain
    'linux-firmware',  #all pertinent licenses are stripped out
    'xfsprogs',  # manually added by hand below (not in rpm)
    'tmux',  # use the extracttmuxlicenses on the source to generate NOTICE below
]
manuallicenses = [
    '/usr/share/doc/ipmitool/COPYING',
    '/usr/share/doc/libaio/COPYING',
    '/usr/share/doc/net-snmp/COPYING',
    '/usr/share/doc/libnl3/COPYING',
    '/usr/share/licenses/xfsprogs/GPL-2.0',
    '/usr/share/licenses/xfsprogs/LGPL-2.1',
    '/usr/share/licenses/tmux/NOTICE',
]
for lic in manuallicenses:
    print(lic)
for rpm in rpmlist:
    if not rpm:
        continue
    for manualrpm in manualrpms:
        if manualrpm in rpm:
            break
    else:
        if rpm not in licensesbyrpm:
            raise Exception('Unresolved license info for ' + rpm)
            print("UH OH: " + rpm)