scripts/kernel.py

   1 import os
   2 import sys
   3 import subprocess
   4 import shutil
   5 import tempfile
   6
   7 from conf import conf
   8 from conf import sf
   9 import exceptions
  10 import utils
  11
  12 def config(txtconfig):
  13         "Apply text configuration to kernel folder"
  14         infile = tempfile.NamedTemporaryFile()
  15         infile.write(bytes(txtconfig, sys.getdefaultencoding()))
  16         wd = os.getcwd()
  17         os.chdir(sf(conf.linux_sources))
  18         try:
  19                 utils.callsubprocess('write_config', [sf(conf.write_config), infile],
  20                         conf.kernel_config_output, env=utils.get_kernel_env())
  21         except exceptions.ProcessFailed:
  22                 raise exceptions.ConfigurationError("some configs mismatch")
  23         os.chdir(wd)
  24
  25 #def config_noprogram():
  26 #       # Executing old linux config
  27 #       env = dict(os.environ)
  28 #       wd = os.getcwd()
  29 #       os.chdir(sf(conf.linux_sources))
  30 #       if conf.kernel_config_output:
  31 #               sprc = subprocess.call('yes "" | make oldconfig', shell=True,
  32 #                       env=utils.get_kernel_env())
  33 #       else:
  34 #               sprc = subprocess.call('yes "" | make oldconfig', shell=True,
  35 #                       stdout=subprocess.DEVNULL, env=utils.get_kernel_env())
  36 #       os.chdir(wd)
  37
  38 def make(confhash):
  39         wd = os.getcwd()
  40         os.chdir(sf(conf.linux_sources))
  41         if conf.kernel_make_output:
  42                 subprocess.call(conf.build_command, env=utils.get_kernel_env())
  43         else:
  44                 subprocess.call(conf.build_command, stdout=subprocess.DEVNULL,
  45                                 env=utils.get_kernel_env())
  46         jobimage = os.path.join(sf(conf.build_folder), confhash + '_linux.img')
  47         shutil.move(sf(conf.linux_image), jobimage)
  48         os.chdir(wd)
  49         return confhash + '_linux.img'