Source code for yggdrasil.serialize.YAMLSerialize

from yggdrasil.metaschema.encoder import encode_yaml, decode_yaml
from yggdrasil.serialize.JSONSerialize import JSONSerialize

[docs]class YAMLSerialize(JSONSerialize): r"""Class for serializing a python object into a bytes message using YAML. Args: indent (str, int, optional): String or number of spaces that should be used to indent each level within the seiralized structure. Defaults to '\t'. encoding (str, optional): Encoding that should be used to serialize the object. Defaults to 'utf-8'. default_flow_style (bool, optional): If True, nested collections will be serialized in the block style. If False, they will always be serialized in the flow style. See `PyYAML Documentation <>`_. """ _seritype = 'yaml' _schema_subtype_description = ('Serializes Python objects using the YAML ' 'standard.') _schema_properties = { 'indent': {'type': ['string', 'int'], 'default': '\t'}, 'encoding': {'type': 'string', 'default': 'utf-8'}, 'default_flow_style': {'type': 'boolean', 'default': False}} _schema_excluded_from_inherit = ['sort_keys']
[docs] def func_serialize(self, args): r"""Serialize a message. Args: args (obj): Python object to be serialized. Returns: bytes, str: Serialized message. """ return encode_yaml(args, indent=self.indent, encoding=self.encoding, default_flow_style=self.default_flow_style)
[docs] def func_deserialize(self, msg): r"""Deserialize a message. Args: msg (str, bytes): Message to be deserialized. Returns: obj: Deserialized Python object. """ return decode_yaml(msg)
[docs] @classmethod def get_testing_options(cls, **kwargs): r"""Method to return a dictionary of testing options for this class. Returns: dict: Dictionary of variables to use for testing. """ # iobj = {'a': ['b', int(1), float(1.0)], 'c': {'z': 'hello'}} iobj1 = {'a': ['b', int(1), float(1.0)], 'c': {'z': 'hello'}} iobj2 = {'d': 'new field'} # iobj3 = int(2) # iobj4 = [float(2.0)] out = {'kwargs': {}, 'empty': {}, 'dtype': None, 'extra_kwargs': {}, 'objects': [iobj1, iobj2], # , iobj3, iobj4], 'typedef': {'type': 'object'}} out['contents'] = (b'a:\n- b\n- 1\n- 1.0\n' b'c:\n z: hello\n' b'd: new field\n') # out['contents'] = (b'- a:\n - b\n - 1\n - 1.0\n' # b' c:\n z: hello\n' # b' d: new field\n' # b'- 2\n- 2.0\n') return out