推荐订阅源

import yaml
#call Cloader to speed up
try:
    from yaml import CLoader as Loader
except ImportError:
    from yaml import Loader


try:
    file_handler = open(file)
    yaml content = yaml.load(file_handler, Loader=Loader)
except IOError:
    LOG.error(' Failed to open file "%s"', file)
finally:
    file_handler.close()