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 __updateDepotToolsPath(cls):
"""
Checks if Google's depot tools is in the PATH, removes it and add local depot tool path in PATH.
"""
#Search if gclient is one of the folders in the PATH
depotToolPath = Utility.searchFileInPATH('gclient')
if depotToolPath != None:
cls.logger.debug('Removing depot tools path \'' + depotToolPath +
'\' from the PATH.')
#Remove depot tools path from the PATH
Utility.removePath(depotToolPath)
cls.logger.info('Adding depot tools path \'' +
Settings.localDepotToolsPath + '\' to the PATH.')
#Add local depot tools path in the PATH
Utility.addPath(Settings.localDepotToolsPath)
