cooker.py 文件源码

def handlePrefProviders(self):

        for mc in self.multiconfigs:
            localdata = data.createCopy(self.databuilder.mcdata[mc])
            bb.data.update_data(localdata)
            bb.data.expandKeys(localdata)

            # Handle PREFERRED_PROVIDERS
            for p in (localdata.getVar('PREFERRED_PROVIDERS', True) or "").split():
                try:
                    (providee, provider) = p.split(':')
                except:
                    providerlog.critical("Malformed option in PREFERRED_PROVIDERS variable: %s" % p)
                    continue
                if providee in self.recipecaches[mc].preferred and self.recipecaches[mc].preferred[providee] != provider:
                    providerlog.error("conflicting preferences for %s: both %s and %s specified", providee, provider, self.recipecaches[mc].preferred[providee])
                self.recipecaches[mc].preferred[providee] = provider