<filename>src/common/tms_yaml.py
from ruamel.yaml import YAML


class STREAM2STR():
    """ ruamel dumps data to a stream. We need dumping to a string.
        This class behaves partially as stream to dump to a string"""
    __str = ''

    def write(self, bytes_array):
        """ Stream write function. Here it dumps incoming bytes to string"""
        self.__str += bytes_array.decode("utf-8")

    def get_string(self):
        """ Returns string converted from stream """
        return self.__str


def yaml2py(yaml_str):
    """Function to convert yaml formatted string to python dict"""
    yaml = YAML(typ='safe', pure=True)
    return yaml.load(yaml_str)


def py2yaml(obj):
    """Function to convert python object to yaml formatted string"""
    str_stream = STREAM2STR()
    yaml = YAML(typ='safe', pure=True)
    yaml.default_flow_style = False
    yaml.dump(obj, str_stream)
    return str_stream.get_string()

<filename>src/common/tms_yaml.py
from ruamel.yaml import YAML


class STREAM2STR():
    """ ruamel dumps data to a stream. We need dumping to a string.
        This class behaves partially as stream to dump to a string"""
    __str = ''

    def write(self, bytes_array):
        """ Stream write function. Here it dumps incoming bytes to string"""
        self.__str += bytes_array.decode("utf-8")

    def get_string(self):
        """ Returns string converted from stream """
        return self.__str


def yaml2py(yaml_str):
    """Function to convert yaml formatted string to python dict"""
    yaml = YAML(typ='safe', pure=True)
    return yaml.load(yaml_str)


def py2yaml(obj):
    """Function to convert python object to yaml formatted string"""
    str_stream = STREAM2STR()
    yaml = YAML(typ='safe', pure=True)
    yaml.default_flow_style = False
    yaml.dump(obj, str_stream)
    return str_stream.get_string()

ruamel dumps data to a stream. We need dumping to a string.         This class behaves partially as stream to dump to a string Stream write function. Here it dumps incoming bytes to string Returns string converted from stream Function to convert yaml formatted string to python dict Function to convert python object to yaml formatted string