minos.aggregate.models.entities module¶

class minos.aggregate.models.entities.Entity(*args, uuid=None, **kwargs)[source]¶

Bases: minos.common.model.declarative.DeclarativeModel

Entity class .

__init__(*args, uuid=None, **kwargs)[source]¶

Class constructor.

Parameters: kwargs – Named arguments to be set as model attributes.

property avro_bytes: bytes¶

Generate bytes representation of the current instance.

Return type: bytes
Returns: A bytes object.

property avro_data: dict[str, typing.Any]¶

Compute the avro data of the model.

Return type: dict[str, typing.Any]
Returns: A dictionary object.

avro_schema = [{'name': 'Entity', 'namespace': 'minos.aggregate.models.entities.7b095958-9fad-4501-ac92-671fd368a397', 'type': 'record', 'fields': [{'name': 'uuid', 'type': {'type': 'string', 'logicalType': 'uuid'}}]}]¶

property avro_str: str¶

Generate bytes representation of the current instance.

Return type: str
Returns: A bytes object.

classname = 'minos.aggregate.models.entities.Entity'¶

classmethod decode_data(decoder, target, type_, **kwargs)¶

Decode data with the given decoder.

Parameters

decoder (minos.common.model.serializers.abc.DataDecoder) – The decoder instance.
target (typing.Any) – The data to be decoded.
type – The data type.
kwargs – Additional named arguments.

Return type

typing.Any

Returns

A decoded instance.

classmethod decode_schema(decoder, target, **kwargs)¶

Decode schema with the given encoder.

Parameters

decoder (minos.common.model.serializers.abc.SchemaDecoder) – The decoder instance.
target (typing.Any) – The schema to be decoded.
kwargs – Additional named arguments.

Return type

typing.Any

Returns

The decoded schema as a type.

encode_data(encoder, target, **kwargs)¶

Encode data with the given encoder.

Parameters

encoder (minos.common.model.serializers.abc.DataEncoder) – The encoder instance.
target (typing.Any) – An optional pre-encoded data.
kwargs – Additional named arguments.

Return type

typing.Any

Returns

The encoded data of the instance.

classmethod encode_schema(encoder, target, **kwargs)¶

Encode schema with the given encoder.

Parameters

encoder (minos.common.model.serializers.abc.SchemaEncoder) – The encoder instance.
target (typing.Any) – An optional pre-encoded schema.
kwargs – Additional named arguments.

Return type

typing.Any

Returns

The encoded schema of the instance.

property fields: dict[str, minos.common.model.fields.Field]¶

Fields getter

Return type: dict[str, minos.common.model.fields.Field]

classmethod from_avro(schema, data)¶

Build a new instance from the avro schema and data.

Parameters

schema (typing.Any) – The avro schema of the model.
data (typing.Any) – The avro data of the model.

Return type

~T

Returns

A new DynamicModel instance.

classmethod from_avro_bytes(raw, batch_mode=False, **kwargs)¶

Build a single instance or a sequence of instances from bytes

Parameters

raw (bytes) – A bytes representation of the model.
batch_mode (bool) – If True the data is processed as a list of models, otherwise the data is processed as a

single model. :param kwargs: Additional named arguments. :rtype: typing.Union[~T, list[~T]] :return: A single instance or a sequence of instances.

classmethod from_avro_str(raw, **kwargs)¶

Build a single instance or a sequence of instances from bytes

Parameters: raw (str) – A str representation of the model.
Return type: typing.Union[~T, list[~T]]
Returns: A single instance or a sequence of instances.

classmethod from_model_type(model_type, *args, **kwargs)¶

Build a DeclarativeModel from a ModelType.

Parameters

model_type (minos.common.model.types.model_types.ModelType) – ModelType object containing the model structure.
args – Positional arguments to be passed to the model constructor.
kwargs – Named arguments to be passed to the model constructor.

Return type

~T

Returns

A new DeclarativeModel instance.

classmethod from_typed_dict(typed_dict, *args, **kwargs)¶

Build a Model from a TypeDict and data.

Parameters

typed_dict (typing.TypedDict) – TypeDict object containing the DTO’s structure
args – Positional arguments to be passed to the model constructor.
kwargs – Named arguments to be passed to the model constructor.

Return type

~T

Returns

A new DataTransferObject instance.

get(k[, d]) → D[k] if k in D, else d. d defaults to None.¶

items() → a set-like object providing a view on D's items¶

keys() → a set-like object providing a view on D's keys¶

classmethod to_avro_bytes(models)¶

Create a bytes representation of the given object instances.

Parameters: models (list[~T]) – A sequence of minos models.
Return type: bytes
Returns: A bytes object.

classmethod to_avro_str(models)¶

Build the avro string representation of the given object instances.

Parameters: models (list[~T]) – A sequence of minos models.
Return type: str
Returns: A bytes object.

type_hints¶

type_hints_parameters = ()¶

uuid: UUID¶

values() → an object providing a view on D's values¶

class minos.aggregate.models.entities.EntitySet(data=None, *args, **kwargs)[source]¶

Bases: minos.aggregate.models.collections.IncrementalSet[minos.aggregate.models.entities.T]

Entity set class.

__init__(data=None, *args, **kwargs)[source]¶

Class constructor.

Parameters: kwargs – Named arguments to be set as model attributes.

add(entity)[source]¶

Add an entity.

Parameters: entity (~T) – The entity to be added.
Return type: None
Returns: This method does not return anything.

property avro_bytes: bytes¶

Generate bytes representation of the current instance.

Return type: bytes
Returns: A bytes object.

property avro_data: dict[str, typing.Any]¶

Compute the avro data of the model.

Return type: dict[str, typing.Any]
Returns: A dictionary object.

property avro_str: str¶

Generate bytes representation of the current instance.

Return type: str
Returns: A bytes object.

classname = 'minos.aggregate.models.entities.EntitySet'¶

clear()¶: This is slow (creates N new iterators!) but effective.

data: dict[str, T]¶

property data_cls: Optional[type]¶

Get data class if available.

Return type: typing.Optional[type]
Returns: A model type.

classmethod decode_data(decoder, target, type_, **kwargs)[source]¶

Decode data with the given decoder.

Parameters

decoder (minos.common.model.serializers.abc.DataDecoder) – The decoder instance.
target (typing.Any) – The data to be decoded.
type – The data type.

Return type

minos.aggregate.models.collections.IncrementalSet

Returns

A decoded instance.

classmethod decode_schema(decoder, target, **kwargs)¶

Decode schema with the given encoder.

Parameters

decoder (minos.common.model.serializers.abc.SchemaDecoder) – The decoder instance.
target (typing.Any) – The schema to be decoded.

Return type

minos.common.model.types.model_types.ModelType

Returns

The decoded schema as a type.

diff(another)[source]¶

Compute the difference between self and another entity set.

Parameters: another (minos.aggregate.models.entities.EntitySet[~T]) – Another entity set instance.
Return type: minos.aggregate.models.collections.IncrementalSetDiff
Returns: The difference between both entity sets.

discard(entity)[source]¶

Discard an entity.

Parameters: entity (~T) – The entity to be discarded.
Return type: None
Returns: This method does not return anything.

static encode_data(encoder, target, **kwargs)[source]¶

Encode data with the given encoder.

Parameters

encoder (minos.common.model.serializers.abc.DataEncoder) – The encoder instance.
target (typing.Any) – An optional pre-encoded data.

Return type

typing.Any

Returns

The encoded data of the instance.

classmethod encode_schema(encoder, target, **kwargs)[source]¶

Encode schema with the given encoder.

Parameters

encoder (minos.common.model.serializers.abc.SchemaEncoder) – The encoder instance.
target (typing.Any) – An optional pre-encoded schema.

Return type

typing.Any

Returns

The encoded schema of the instance.

property fields: dict[str, minos.common.model.fields.Field]¶

Fields getter

Return type: dict[str, minos.common.model.fields.Field]

classmethod from_avro(schema, data)¶

Build a new instance from the avro schema and data.

Parameters

schema (typing.Any) – The avro schema of the model.
data (typing.Any) – The avro data of the model.

Return type

~T

Returns

A new DynamicModel instance.

classmethod from_avro_bytes(raw, batch_mode=False, **kwargs)¶

Build a single instance or a sequence of instances from bytes

Parameters

raw (bytes) – A bytes representation of the model.
batch_mode (bool) – If True the data is processed as a list of models, otherwise the data is processed as a

single model. :param kwargs: Additional named arguments. :rtype: typing.Union[~T, list[~T]] :return: A single instance or a sequence of instances.

classmethod from_avro_str(raw, **kwargs)¶

Build a single instance or a sequence of instances from bytes

Parameters: raw (str) – A str representation of the model.
Return type: typing.Union[~T, list[~T]]
Returns: A single instance or a sequence of instances.

classmethod from_model_type(model_type, *args, **kwargs)¶

Build a DeclarativeModel from a ModelType.

Parameters

model_type (minos.common.model.types.model_types.ModelType) – ModelType object containing the model structure.
args – Positional arguments to be passed to the model constructor.
kwargs – Named arguments to be passed to the model constructor.

Return type

~T

Returns

A new DeclarativeModel instance.

classmethod from_typed_dict(typed_dict, *args, **kwargs)¶

Build a Model from a TypeDict and data.

Parameters

typed_dict (typing.TypedDict) – TypeDict object containing the DTO’s structure
args – Positional arguments to be passed to the model constructor.
kwargs – Named arguments to be passed to the model constructor.

Return type

~T

Returns

A new DataTransferObject instance.

get(uuid)[source]¶

Get an entity by identifier.

Parameters: uuid (uuid.UUID) – The identifier of the entity.
Return type: ~T
Returns: A entity instance.

isdisjoint(other)¶: Return True if two sets have a null intersection.

items() → a set-like object providing a view on D's items¶

keys() → a set-like object providing a view on D's keys¶

pop()¶: Return the popped value. Raise KeyError if empty.

remove(value)¶: Remove an element. If not a member, raise a KeyError.

classmethod to_avro_bytes(models)¶

Create a bytes representation of the given object instances.

Parameters: models (list[~T]) – A sequence of minos models.
Return type: bytes
Returns: A bytes object.

classmethod to_avro_str(models)¶

Build the avro string representation of the given object instances.

Parameters: models (list[~T]) – A sequence of minos models.
Return type: str
Returns: A bytes object.

type_hints_parameters = (~T,)¶

values() → an object providing a view on D's values¶