9dc0c14aed
PEP8 settings are used except the low 80 column limit has be increased to a more reasonable 100 columns.
121 lines
3.7 KiB
Python
Executable file
121 lines
3.7 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# 2020 - Marco Trevisan
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#
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# Initializer for ThinkPad's validity sensors 138a:0090 and 138a:0097 and 06cb:009a
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import argparse
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import os
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import subprocess
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import sys
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import tempfile
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import urllib.request
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import shutil
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from enum import Enum, auto
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from time import sleep
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from usb import core as usb_core
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python_validity_data = '/usr/share/python-validity/'
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# FIXME: supported usb ids are duplicated in usb.py
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class VFS(Enum):
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DEV_90 = (0x138a, 0x0090)
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DEV_97 = (0x138a, 0x0097)
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DEV_9a = (0x06cb, 0x009a)
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DEFAULT_URIS = {
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VFS.DEV_90: {
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'driver': 'https://download.lenovo.com/pccbbs/mobiles/n1cgn08w.exe',
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'referral': 'https://support.lenovo.com/us/en/downloads/DS120491',
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},
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VFS.DEV_97: {
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'driver': 'https://download.lenovo.com/pccbbs/mobiles/nz3gf07w.exe',
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'referral': 'https://download.lenovo.com/pccbbs/mobiles/nz3gf07w.exe'
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},
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VFS.DEV_9a: {
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'driver': 'https://download.lenovo.com/pccbbs/mobiles/nz3gf07w.exe',
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'referral': 'https://download.lenovo.com/pccbbs/mobiles/nz3gf07w.exe'
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}
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}
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# FIXME: filenames are duplicated in upload_fwext.py
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DEFAULT_FW_NAMES = {
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VFS.DEV_90: '6_07f_Lenovo.xpfwext',
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VFS.DEV_97: '6_07f_lenovo_mis_qm.xpfwext',
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VFS.DEV_9a: '6_07f_lenovo_mis_qm.xpfwext'
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}
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def download_and_extract_fw(dev_type, fwdir, fwuri=None):
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fwuri = fwuri if fwuri else DEFAULT_URIS[dev_type]['driver']
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fwarchive = os.path.join(fwdir, 'fwinstaller.exe')
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fwname = DEFAULT_FW_NAMES[dev_type]
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print('Downloading {} to extract {}'.format(fwuri, fwname))
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req = urllib.request.Request(fwuri)
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req.add_header('Referer', DEFAULT_URIS[dev_type].get('referral', ''))
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req.add_header('User-Agent', 'Mozilla/5.0 (X11; U; Linux)')
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with urllib.request.urlopen(req) as response:
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with open(fwarchive, 'wb') as out_file:
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out_file.write(response.read())
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subprocess.check_call([
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'innoextract', '--output-dir', fwdir, '--include', fwname, '--collisions', 'overwrite',
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fwarchive
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])
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fwpath = subprocess.check_output(['find', fwdir, '-name', fwname]).decode('utf-8').strip()
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print('Found firmware at {}'.format(fwpath))
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if not fwpath:
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raise Exception('No {} found in the archive'.format(fwname))
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return fwpath
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument('--driver-uri')
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args = parser.parse_args()
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if os.geteuid() != 0:
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raise Exception('This script needs to be executed as root')
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dev_type = None
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for d in VFS:
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dev = usb_core.find(idVendor=d.value[0], idProduct=d.value[1])
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if dev:
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dev_type = d
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if not dev_type:
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raise Exception('No supported validity device found')
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try:
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subprocess.check_call(['innoextract', '--version'], stdout=subprocess.DEVNULL)
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except Exception as e:
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print('Impossible to run innoextract: {}'.format(e))
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sys.exit(1)
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with tempfile.TemporaryDirectory() as fwdir:
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fwpath = download_and_extract_fw(dev_type, fwdir, fwuri=args.driver_uri)
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shutil.copy(fwpath, python_validity_data)
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