support/testing/infra/builder.py

   1 import os
   2 import shutil
   3 import subprocess
   4
   5 import infra
   6
   7
   8 class Builder(object):
   9     def __init__(self, config, builddir, logtofile):
  10         self.config = '\n'.join([line.lstrip() for line in
  11                                  config.splitlines()]) + '\n'
  12         self.builddir = builddir
  13         self.logfile = infra.open_log_file(builddir, "build", logtofile)
  14
  15     def build(self):
  16         if not os.path.isdir(self.builddir):
  17             os.makedirs(self.builddir)
  18
  19         config_file = os.path.join(self.builddir, ".config")
  20         with open(config_file, "w+") as cf:
  21             cf.write(self.config)
  22         # dump the defconfig to the logfile for easy debugging
  23         self.logfile.write("> start defconfig\n" + self.config +
  24                            "> end defconfig\n")
  25         self.logfile.flush()
  26
  27         env = {"PATH": os.environ["PATH"]}
  28         cmd = ["make",
  29                "O={}".format(self.builddir),
  30                "olddefconfig"]
  31         ret = subprocess.call(cmd, stdout=self.logfile, stderr=self.logfile,
  32                               env=env)
  33         if ret != 0:
  34             raise SystemError("Cannot olddefconfig")
  35
  36         cmd = ["make", "-C", self.builddir]
  37         ret = subprocess.call(cmd, stdout=self.logfile, stderr=self.logfile,
  38                               env=env)
  39         if ret != 0:
  40             raise SystemError("Build failed")
  41
  42         open(self.stamp_path(), 'a').close()
  43
  44     def stamp_path(self):
  45         return os.path.join(self.builddir, "build-done")
  46
  47     def is_finished(self):
  48         return os.path.exists(self.stamp_path())
  49
  50     def delete(self):
  51         if os.path.exists(self.builddir):
  52             shutil.rmtree(self.builddir)