build_system.py

   1 import os, subprocess
   2
   3 '''A build system has three methods: "configure" (with optionak "force" parameter), "build" and "install"'''
   4
   5 # Compile, build, and install cmake projects:
   6 class CMake:
   7         def __init__(self, sourceFolder, buildFolder, config):
   8                 self.sourceFolder = os.path.abspath(sourceFolder)
   9                 self.buildFolder = os.path.abspath(buildFolder)
  10                 self.installDir = config['installDir']
  11                 self.buildType = config['buildType']
  12                 self.jobs = config['jobs']
  13                 self.buildCmdPrefix = config['buildCmdPrefix']
  14                 self.installCmdPrefix = config['installCmdPrefix']
  15
  16         def configure(self, force=False):
  17                 if not os.path.exists(self.buildFolder): os.makedirs(self.buildFolder)
  18                 os.chdir(self.buildFolder)
  19                 # check if we actually need to work
  20                 cacheFile = 'CMakeCache.txt'
  21                 if os.path.exists(cacheFile) and os.path.exists('Makefile') and not force: return
  22                 # yes we do! make sure we start clean, and then go ahead
  23                 if os.path.exists(cacheFile): os.remove(cacheFile)
  24                 os.putenv('PKG_CONFIG_PATH', os.path.join(self.installDir, 'lib', 'pkgconfig')) # I found no way to do this within cmake
  25                 subprocess.check_call(['cmake', self.sourceFolder, '-DCMAKE_BUILD_TYPE='+self.buildType, '-DCMAKE_INSTALL_PREFIX='+self.installDir])
  26                 os.unsetenv('PKG_CONFIG_PATH')
  27
  28         def build(self):
  29                 os.chdir(self.buildFolder)
  30                 subprocess.check_call(self.buildCmdPrefix + ['make', '-j'+str(self.jobs)])
  31
  32         def install(self):
  33                 os.chdir(self.buildFolder)
  34                 subprocess.check_call(self.installCmdPrefix + ['make', 'install'])
  35
  36 # if auto-debuild is available, provide a wrapper for it
  37 try:
  38         import auto_debuild
  39         class AutoDebuild:
  40                 def __init__(self, sourceFolder, module, vcs, config):
  41                         self.sourceFolder = os.path.abspath(sourceFolder)
  42                         self.autoDebuildConfig = {
  43                                 'sourceName': module['name'],
  44                                 'debDir': os.path.abspath(config['debDir']),
  45                                 'buildSystem': module.get('build-system', 'cmake'),
  46                         }
  47                         self.vcs = vcs
  48                         self.configured = False # make sure configure is called before build/install
  49
  50                 def configure(self, force=False): # force is ignored
  51                         self.autoDebuildConfig['version'] = self.vcs.version() # by now, data has been fetched, so this is possible
  52                         os.chdir(self.sourceFolder)
  53                         print self.sourceFolder,self.autoDebuildConfig
  54                         self.files = auto_debuild.createDebianFiles(self.autoDebuildConfig)
  55                         self.configured = True
  56
  57                 def build(self):
  58                         if not self.configured: self.configure()
  59                         os.chdir(self.sourceFolder)
  60                         auto_debuild.buildDebianPackage(self.autoDebuildConfig)
  61
  62                 def install(self):
  63                         if not self.configured: self.configure()
  64                         os.chdir(self.sourceFolder)
  65                         subprocess.check_call(['sudo', 'dpkg', '--install'] + self.files)
  66 except ImportError:
  67         print "auto_debuild not found, disabling auto-debuild system"
  68         pass