def preInit(cls):
"""
Determines host OS. Sets supported targets based on present folders.
"""
#Determine host OS
cls.hostOs = platform.system().lower()
cls.hostOsVersion = platform.release().lower()
cls.hostCPU = getCPUFamily(platform.machine())
#Create path variables used in preparation process.
Settings.preInit()
#Set available targets
cls.__setSupportedTargets()
#Add three paths, where can be found templates, in the PYTHONPATH
Utility.addModulePath(
Settings.userWorkingPath
) #User working directory - from where script is run
Utility.addModulePath(
Settings.rootScriptsPath) #Folder where are scripts file
Utility.addModulePath(
Settings.templatesPath
) #Subfolder in scripts folder, that contains only template files
Utility.addPath(Settings.localBuildToolsPath)
#Determine python executable path and add python's Scripts folder in the system PATH
executablePath = Utility.getExecutablePath('python')
if executablePath != None:
pythonPath = os.path.dirname(executablePath)
pythonScriptsPath = os.path.join(pythonPath, 'Scripts')
#Add python's Scripts folder in the PATH
Utility.addPath(pythonScriptsPath)
def __updateChangeTimeStamp(cls):
"""
Creates or uptades LASTCHANGE.committime, required by gn.
:return ret: NO_ERROR if timestamp is successfully updated. Otherwise error code.
"""
ret = NO_ERROR
try:
lastchangeModulePath = convertToPlatformPath(config.LAST_CHANGE_MODULE_PATH)
Utility.pushd(lastchangeModulePath)
Utility.addModulePath(os.getcwd())
import lastchange
lastchange.main(['','-o','LASTCHANGE'])
except Exception as error:
ret = errors.ERROR_PREPARE_UPDATING_TIMESTEMP_FAILED
cls.logger.error(str(error))
finally:
Utility.popd()
return ret
