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         infile.close()
  24         os.chdir(wd)
  25
  26 #def config_noprogram():
  27 #       # Executing old linux config
  28 #       env = dict(os.environ)
  29 #       wd = os.getcwd()
  30 #       os.chdir(sf(conf.linux_sources))
  31 #       if conf.kernel_config_output:
  32 #               sprc = subprocess.call('yes "" | make oldconfig', shell=True,
  33 #                       env=utils.get_kernel_env())
  34 #       else:
  35 #               sprc = subprocess.call('yes "" | make oldconfig', shell=True,
  36 #                       stdout=subprocess.DEVNULL, env=utils.get_kernel_env())
  37 #       os.chdir(wd)
  38
  39 def make(confhash):
  40         wd = os.getcwd()
  41         os.chdir(sf(conf.linux_sources))
  42         if conf.kernel_make_output:
  43                 subprocess.call(conf.build_command, env=utils.get_kernel_env())
  44         else:
  45                 subprocess.call(conf.build_command, stdout=subprocess.DEVNULL,
  46                                 env=utils.get_kernel_env())
  47         jobimage = os.path.join(sf(conf.build_folder), confhash + '_linux.img')
  48         shutil.move(sf(conf.linux_image), jobimage)
  49         os.chdir(wd)
  50         return confhash + '_linux.img'