

def _lookup_cdn(self, cdn_id):
    for source in self.sources:
        cdn_data = source.lookup_cdn(cdn_id)
        if cdn_data:
            return (self._validate_cdn_data(cdn_id, source), source)
    raise CDNNotAvailableError(cdn_id)

dataset/ETHPy150Open CacheBrowser/cachebrowser/cachebrowser/bootstrap.py Bootstrapper._lookup_cdn/VarMisuse@43/65 `cdn_data`->`source`