config.py 文件源码

def yaml_load(stream):
    """Load YAML document, but load all strings as unicode on py2."""
    import yaml

    class UnicodeLoader(yaml.SafeLoader):
        """Yaml SafeLoader Class, default encoding is UTF-8."""
        pass
    # NOTE:
    # In [2]: yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG
    # Out[2]: 'tag:yaml.org,2002:map'
    UnicodeLoader.add_constructor(
        yaml.resolver.BaseResolver.DEFAULT_SCALAR_TAG,
        UnicodeLoader.construct_scalar)
    return yaml.load(stream, UnicodeLoader)