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, module, 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                 self.cmakeParameters = module.get('cmakeParameters', [])
  16
  17         def configure(self, force=False):
  18                 if not os.path.exists(self.buildFolder): os.makedirs(self.buildFolder)
  19                 os.chdir(self.buildFolder)
  20                 # check if we actually need to work
  21                 cacheFile = 'CMakeCache.txt'
  22                 if os.path.exists(cacheFile) and os.path.exists('Makefile') and not force: return
  23                 # yes we do! make sure we start clean, and then go ahead
  24                 if os.path.exists(cacheFile): os.remove(cacheFile)
  25                 os.putenv('PKG_CONFIG_PATH', os.path.join(self.installDir, 'lib', 'pkgconfig')) # I found no way to do this within cmake
  26                 subprocess.check_call(['cmake', self.sourceFolder, '-DCMAKE_BUILD_TYPE='+self.buildType,
  27                         '-DCMAKE_INSTALL_PREFIX='+self.installDir]+self.cmakeParameters)
  28                 os.unsetenv('PKG_CONFIG_PATH')
  29
  30         def build(self):
  31                 os.chdir(self.buildFolder)
  32                 subprocess.check_call(self.buildCmdPrefix + ['make', '-j'+str(self.jobs)])
  33
  34         def install(self):
  35                 os.chdir(self.buildFolder)
  36                 subprocess.check_call(self.installCmdPrefix + ['make', 'install'])
  37
  38 # if auto-debuild is available, provide a wrapper for it
  39 try:
  40         import auto_debuild
  41         class AutoDebuild:
  42                 def __init__(self, sourceFolder, buildFolder, module, vcs, config):
  43                         self.sourceFolder = os.path.abspath(sourceFolder)
  44                         buildSystem = module.get('build-system', 'cmake')
  45                         self.autoDebuildConfig = {
  46                                 'sourceName': module['name'],
  47                                 'debDir': os.path.abspath(config['debDir']),
  48                                 'buildSystem': buildSystem,
  49                                 'buildDir': os.path.abspath(buildFolder),
  50                                 'name': config['debName'],
  51                                 'email': config['debEMail'],
  52                         }
  53                         self.copyFromModule(module, 'buildDepends')
  54                         self.copyFromModule(module, 'binaryDepends')
  55                         if buildSystem == 'cmake':
  56                                 self.copyFromModule(module, 'cmakeParameters')
  57                         self.vcs = vcs
  58                         self.configured = False # make sure configure is called before build/install
  59
  60                 def copyFromModule(self, module, name):
  61                         if name in module:
  62                                 self.autoDebuildConfig[name] = module[name]
  63
  64                 def configure(self, force=False): # force is ignored
  65                         self.autoDebuildConfig['version'] = self.vcs.version() # by now, data has been fetched, so this is possible
  66                         if self.autoDebuildConfig['version'] is None:
  67                                 raise Exception("VCS did not provide us with a proper version, please fix this")
  68                         self.vcs.ignore('/debian/') # make sure the debian folder is ignored
  69                         os.chdir(self.sourceFolder)
  70                         #print self.autoDebuildConfig
  71                         self.files = auto_debuild.createDebianFiles(self.autoDebuildConfig)
  72                         self.configured = True
  73
  74                 def build(self):
  75                         if not self.configured: self.configure()
  76                         os.chdir(self.sourceFolder)
  77                         auto_debuild.buildDebianPackage(self.autoDebuildConfig)
  78
  79                 def install(self):
  80                         if not self.configured: self.configure()
  81                         os.chdir(self.sourceFolder)
  82                         subprocess.check_call(['sudo', 'dpkg', '--install'] + self.files)
  83 except ImportError:
  84         print "auto_debuild not found, disabling auto-debuild system"
  85         pass