Linux Mint Forums

Code: Select all

#!/usr/bin/python
# -*- coding: utf-8 -*-

import urllib2
import collections
import datetime
import lxml.html
import re
import os
import argparse
import subprocess
from pkg_resources import parse_version

arch='amd64'
use_rc_versions=False
kernelurl="http://kernel.ubuntu.com/~kernel-ppa/mainline/"
kinfo=collections.namedtuple('KernelInfo', ['datetime', 'version', 'link'])

def dl_file(url):
    f = urllib2.urlopen(url)
    with open(os.path.basename(url), "wb") as dlf:
        dlf.write(f.read())

def fetch_latest(kernelurl, use_rc_versions):

    r = urllib2.urlopen(kernelurl)
    doc=lxml.html.document_fromstring(r.read())
    content=doc.text_content()

    reg_ex=re.compile(r'v([\d.]+)(-rc[\d]+)?-([^/]+)/(.+?)\s\s')
    d=[]

    for m in (m for m in (reg_ex.match(x) for x in content.split('\n') if x) if m):
        version, isrc, code, date = m.groups()
        if (not use_rc_versions) and isrc: continue
        version = '%s%s' %(version, (isrc or ''))
        date = datetime.datetime.strptime(date, '%d-%b-%Y %H:%M')
        d.append(kinfo(date, parse_version(version), 'v%s-%s/' %(version, code)))
    
    return max(d, key=lambda x:x.version)

def dl_debs(url, arch, no_download):
    r2 = urllib2.urlopen(url)
    doc2=lxml.html.document_fromstring(r2.read())
    content=doc2.text_content()
    reg_ex2=re.compile('linux-(headers|image)-(.+?)_(amd64|i386|all)\.deb')

    for line in content.split('\n'):
        m=reg_ex2.match(line)
        if m:
            if m.group(1)=='headers':
                if m.group(3)=='all':
                    headers_all=m.group(0)
                elif m.group(3)==arch:
                    headers_arch=m.group(0)
            elif m.group(1)=='image' and m.group(3)==arch:
                image_arch=m.group(0)

    for f in [headers_all, headers_arch, image_arch]:
        print 'downloading: %s' %f
        if not no_download:
            dl_file(url+f)
    
    return [headers_all, headers_arch, image_arch]

if __name__ == '__main__':
    
    parser = argparse.ArgumentParser()
    parser.add_argument('-m', '--machine',
                        help="use this kernel machine, default: %s" %arch,
                        action="store",
                        default=arch)

    parser.add_argument('--kernel-ppa-url', 
                        help="where to fetch ubuntu kernels, default: %s" %kernelurl,
                        action="store",
                        default=kernelurl)
    parser.add_argument('--use-rc',
                        help="allow updating to rc versions",
                        action="store_true")
    parser.add_argument('--no-download',
                        help="do not download(list only) files",
                        action="store_true")
    parser.add_argument('--install',
                        help="install the downloaded kernels. note: run with root privileges",
                        action="store_true")

    args=parser.parse_args()
    os.chdir('/tmp')

    latest = fetch_latest(args.kernel_ppa_url, args.use_rc)
    print 'the latest linux kernel version is : \n\t%s\n' %latest.link.strip('/')
    debs=dl_debs(args.kernel_ppa_url + latest.link, args.machine, args.no_download)
    if args.install:
        subprocess.call(['dpkg', '-E', '--install'] + debs)

Code: Select all

chmod +x update-kernel.py
sudo ./update-kernel.py -m amd64 --use-rc --install

Code: Select all

wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-saucy/linux-headers-3.10.0-031000_3.10.0-031000.201306301935_all.deb
wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-saucy/linux-headers-3.10.0-031000-generic_3.10.0-031000.201306301935_amd64.deb
wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-saucy/linux-image-3.10.0-031000-generic_3.10.0-031000.201306301935_amd64.deb

Code: Select all

sudo dpkg -i *.deb