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         for ln in txtconfig:
  16                 infile.write(bytes(ln + '\n', sys.getdefaultencoding()))
  17         wd = os.getcwd()
  18         os.chdir(sf(conf.linux_sources))
  19         try:
  20                 utils.callsubprocess('write_config', [sf(conf.write_config), infile.name],
  21                         conf.kernel_config_output, env=utils.get_kernel_env())
  22                 os.rename(sf(conf.linux_sources) + '/.config',
  23                                 sf(conf.linux_build_folder) + '/.config')
  24         except exceptions.ProcessFailed:
  25                 raise exceptions.ConfigurationError("some configs mismatch")
  26         infile.close()
  27         os.chdir(wd)
  28
  29 #def config_noprogram():
  30 #       # Executing old linux config
  31 #       env = dict(os.environ)
  32 #       wd = os.getcwd()
  33 #       os.chdir(sf(conf.linux_sources))
  34 #       if conf.kernel_config_output:
  35 #               sprc = subprocess.call('yes "" | make oldconfig', shell=True,
  36 #                       env=utils.get_kernel_env())
  37 #       else:
  38 #               sprc = subprocess.call('yes "" | make oldconfig', shell=True,
  39 #                       stdout=subprocess.DEVNULL, env=utils.get_kernel_env())
  40 #       os.chdir(wd)
  41
  42 def make(confhash):
  43         wd = os.getcwd()
  44         os.chdir(sf(conf.linux_build_folder))
  45         if conf.kernel_make_output:
  46                 subprocess.call(conf.build_command, env=utils.get_kernel_env())
  47         else:
  48                 subprocess.call(conf.build_command, stdout=subprocess.DEVNULL,
  49                                 env=utils.get_kernel_env())
  50         jobimage = os.path.join(sf(conf.build_folder), confhash + '_linux.img')
  51         shutil.move(sf(conf.linux_image), jobimage)
  52         os.chdir(wd)
  53         return confhash + '_linux.img'