Use mashumaro to serialize/deserialize dataclass

dev-requirements.in

@@ -11,6 +11,7 @@ pre-commit
 codespell
 google-cloud-bigquery
 google-cloud-bigquery-storage
+snowflake-connector-python
 IPython
 keyrings.alt
 

doc-requirements.txt

@@ -12,7 +12,7 @@ absl-py==1.4.0
     #   tensorflow
 adlfs==2023.4.0
     # via flytekit
-aiobotocore==2.5.2
+aiobotocore==2.5.3
     # via s3fs
 aiohttp==3.8.5
     # via
@@ -98,7 +98,7 @@ bleach==6.0.0
     # via nbconvert
 blinker==1.6.2
     # via flask
-botocore==1.29.161
+botocore==1.31.17
     # via
     #   -r doc-requirements.in
     #   aiobotocore
@@ -1284,6 +1284,7 @@ typing-extensions==4.5.0
     #   flytekit
     #   great-expectations
     #   ipython
+    #   mashumaro
     #   pydantic
     #   python-utils
     #   sqlalchemy

flytekit/core/type_engine.py

@@ -12,7 +12,7 @@
 import typing
 from abc import ABC, abstractmethod
 from functools import lru_cache
-from typing import Any, Dict, List, NamedTuple, Optional, Tuple, Type, cast
+from typing import Dict, List, NamedTuple, Optional, Type, cast
 
 from dataclasses_json import DataClassJsonMixin, dataclass_json
 from google.protobuf import json_format as _json_format
@@ -22,6 +22,7 @@
 from google.protobuf.message import Message
 from google.protobuf.struct_pb2 import Struct
 from marshmallow_enum import EnumField, LoadDumpOptions
+from mashumaro.mixins.json import DataClassJSONMixin
 from typing_extensions import Annotated, get_args, get_origin
 
 from flytekit.core.annotation import FlyteAnnotation
@@ -53,6 +54,7 @@
 
 T = typing.TypeVar("T")
 DEFINITIONS = "definitions"
+TITLE = "title"
 
 
 class BatchSize:
@@ -344,22 +346,28 @@ def get_literal_type(self, t: Type[T]) -> LiteralType:
                 f"Type {t} cannot be parsed."
             )
 
-        if not issubclass(t, DataClassJsonMixin):
+        if not issubclass(t, DataClassJsonMixin) and not issubclass(t, DataClassJSONMixin):
             raise AssertionError(
-                f"Dataclass {t} should be decorated with @dataclass_json or be a subclass of DataClassJsonMixin to be "
-                "serialized correctly"
+                f"Dataclass {t} should be decorated with @dataclass_json or mixin with DataClassJSONMixin to be "
+                f"serialized correctly"
             )
         schema = None
         try:
-            s = cast(DataClassJsonMixin, self._get_origin_type_in_annotation(t)).schema()
-            for _, v in s.fields.items():
-                # marshmallow-jsonschema only supports enums loaded by name.
-                # https://github.com/fuhrysteve/marshmallow-jsonschema/blob/81eada1a0c42ff67de216923968af0a6b54e5dcb/marshmallow_jsonschema/base.py#L228
-                if isinstance(v, EnumField):
-                    v.load_by = LoadDumpOptions.name
-            from marshmallow_jsonschema import JSONSchema
-
-            schema = JSONSchema().dump(s)
+            if issubclass(t, DataClassJsonMixin):
+                s = cast(DataClassJsonMixin, self._get_origin_type_in_annotation(t)).schema()
+                for _, v in s.fields.items():
+                    # marshmallow-jsonschema only supports enums loaded by name.
+                    # https://github.com/fuhrysteve/marshmallow-jsonschema/blob/81eada1a0c42ff67de216923968af0a6b54e5dcb/marshmallow_jsonschema/base.py#L228
+                    if isinstance(v, EnumField):
+                        v.load_by = LoadDumpOptions.name
+                # check if DataClass mixin
+                from marshmallow_jsonschema import JSONSchema
+
+                schema = JSONSchema().dump(s)
+            else:  # DataClassJSONMixin
+                from mashumaro.jsonschema import build_json_schema
+
+                schema = build_json_schema(cast(DataClassJSONMixin, self._get_origin_type_in_annotation(t))).to_dict()
         except Exception as e:
             # https://github.com/lovasoa/marshmallow_dataclass/issues/13
             logger.warning(
@@ -376,15 +384,21 @@ def to_literal(self, ctx: FlyteContext, python_val: T, python_type: Type[T], exp
                 f"{type(python_val)} is not of type @dataclass, only Dataclasses are supported for "
                 f"user defined datatypes in Flytekit"
             )
-        if not issubclass(type(python_val), DataClassJsonMixin):
+        if not issubclass(type(python_val), DataClassJsonMixin) and not issubclass(
+            type(python_val), DataClassJSONMixin
+        ):
             raise TypeTransformerFailedError(
-                f"Dataclass {python_type} should be decorated with @dataclass_json or be a subclass of "
-                "DataClassJsonMixin to be serialized correctly"
+                f"Dataclass {python_type} should be decorated with @dataclass_json or inherit DataClassJSONMixin to be "
+                f"serialized correctly"
             )
         self._serialize_flyte_type(python_val, python_type)
-        return Literal(
-            scalar=Scalar(generic=_json_format.Parse(cast(DataClassJsonMixin, python_val).to_json(), _struct.Struct()))
-        )
+
+        if issubclass(type(python_val), DataClassJsonMixin):
+            json_str = cast(DataClassJsonMixin, python_val).to_json()  # type: ignore
+        else:
+            json_str = cast(DataClassJSONMixin, python_val).to_json()  # type: ignore
+
+        return Literal(scalar=Scalar(generic=_json_format.Parse(json_str, _struct.Struct())))  # type: ignore
 
     def _get_origin_type_in_annotation(self, python_type: Type[T]) -> Type[T]:
         # dataclass will try to hash python type when calling dataclass.schema(), but some types in the annotation is
@@ -628,13 +642,16 @@ def to_python_value(self, ctx: FlyteContext, lv: Literal, expected_python_type:
                 f"{expected_python_type} is not of type @dataclass, only Dataclasses are supported for "
                 "user defined datatypes in Flytekit"
             )
-        if not issubclass(expected_python_type, DataClassJsonMixin):
+        if not issubclass(expected_python_type, DataClassJsonMixin) and not issubclass(
+            expected_python_type, DataClassJSONMixin
+        ):
             raise TypeTransformerFailedError(
-                f"Dataclass {expected_python_type} should be decorated with @dataclass_json or be a subclass of "
-                "DataClassJsonMixin to be serialized correctly"
+                f"Dataclass {expected_python_type} should be decorated with @dataclass_json or mixin with DataClassJSONMixin to be "
+                f"serialized correctly"
             )
         json_str = _json_format.MessageToJson(lv.scalar.generic)
-        dc = cast(DataClassJsonMixin, expected_python_type).from_json(json_str)
+        dc = expected_python_type.from_json(json_str)  # type: ignore
+
         dc = self._fix_structured_dataset_type(expected_python_type, dc)
         return self._fix_dataclass_int(expected_python_type, self._deserialize_flyte_type(dc, expected_python_type))
 
@@ -645,10 +662,15 @@ def to_python_value(self, ctx: FlyteContext, lv: Literal, expected_python_type:
     @lru_cache(typed=True)
     def guess_python_type(self, literal_type: LiteralType) -> Type[T]:  # type: ignore
         if literal_type.simple == SimpleType.STRUCT:
-            if literal_type.metadata is not None and DEFINITIONS in literal_type.metadata:
-                schema_name = literal_type.metadata["$ref"].split("/")[-1]
-                return convert_json_schema_to_python_class(literal_type.metadata[DEFINITIONS], schema_name)
-
+            if literal_type.metadata is not None:
+                if DEFINITIONS in literal_type.metadata:
+                    schema_name = literal_type.metadata["$ref"].split("/")[-1]
+                    return convert_marshmallow_json_schema_to_python_class(
+                        literal_type.metadata[DEFINITIONS], schema_name
+                    )
+                elif TITLE in literal_type.metadata:
+                    schema_name = literal_type.metadata[TITLE]
+                    return convert_mashumaro_json_schema_to_python_class(literal_type.metadata, schema_name)
         raise ValueError(f"Dataclass transformer cannot reverse {literal_type}")
 
 
@@ -1550,13 +1572,45 @@ def to_python_value(self, ctx: FlyteContext, lv: Literal, expected_python_type:
         return expected_python_type(lv.scalar.primitive.string_value)  # type: ignore
 
 
-def convert_json_schema_to_python_class(schema: Dict[str, Any], schema_name: str) -> Type[Any]:
-    """
-    Generate a model class based on the provided JSON Schema
-    :param schema: dict representing valid JSON schema
-    :param schema_name: dataclass name of return type
-    """
-    attribute_list: List[Tuple[str, type]] = []
+def generate_attribute_list_from_dataclass_json_mixin(schema: dict, schema_name: typing.Any):
+    attribute_list = []
+    for property_key, property_val in schema["properties"].items():
+        if property_val.get("anyOf"):
+            property_type = property_val["anyOf"][0]["type"]
+        elif property_val.get("enum"):
+            property_type = "enum"
+        else:
+            property_type = property_val["type"]
+        # Handle list
+        if property_type == "array":
+            attribute_list.append((property_key, typing.List[_get_element_type(property_val["items"])]))  # type: ignore
+        # Handle dataclass and dict
+        elif property_type == "object":
+            if property_val.get("anyOf"):
+                sub_schemea = property_val["anyOf"][0]
+                sub_schemea_name = sub_schemea["title"]
+                attribute_list.append(
+                    (property_key, convert_mashumaro_json_schema_to_python_class(sub_schemea, sub_schemea_name))
+                )
+            elif property_val.get("additionalProperties"):
+                attribute_list.append(
+                    (property_key, typing.Dict[str, _get_element_type(property_val["additionalProperties"])])  # type: ignore
+                )
+            else:
+                sub_schemea_name = property_val["title"]
+                attribute_list.append(
+                    (property_key, convert_mashumaro_json_schema_to_python_class(property_val, sub_schemea_name))
+                )
+        elif property_type == "enum":
+            attribute_list.append([property_key, str])  # type: ignore
+        # Handle int, float, bool or str
+        else:
+            attribute_list.append([property_key, _get_element_type(property_val)])  # type: ignore
+    return attribute_list
+
+
+def generate_attribute_list_from_dataclass_json(schema: dict, schema_name: typing.Any):
+    attribute_list = []
     for property_key, property_val in schema[schema_name]["properties"].items():
         property_type = property_val["type"]
         # Handle list
@@ -1566,7 +1620,7 @@ def convert_json_schema_to_python_class(schema: Dict[str, Any], schema_name: str
         elif property_type == "object":
             if property_val.get("$ref"):
                 name = property_val["$ref"].split("/")[-1]
-                attribute_list.append((property_key, convert_json_schema_to_python_class(schema, name)))
+                attribute_list.append((property_key, convert_marshmallow_json_schema_to_python_class(schema, name)))
             elif property_val.get("additionalProperties"):
                 attribute_list.append(
                     (property_key, Dict[str, _get_element_type(property_val["additionalProperties"])])  # type: ignore[misc,index]
@@ -1575,13 +1629,34 @@ def convert_json_schema_to_python_class(schema: Dict[str, Any], schema_name: str
                 attribute_list.append((property_key, Dict[str, _get_element_type(property_val)]))  # type: ignore[misc,index]
         # Handle int, float, bool or str
         else:
-            attribute_list.append((property_key, _get_element_type(property_val)))
+            attribute_list.append([property_key, _get_element_type(property_val)])  # type: ignore
+    return attribute_list
+
+
+def convert_marshmallow_json_schema_to_python_class(schema: dict, schema_name: typing.Any) -> Type[dataclasses.dataclass()]:  # type: ignore
+    """
+    Generate a model class based on the provided JSON Schema
+    :param schema: dict representing valid JSON schema
+    :param schema_name: dataclass name of return type
+    """
+
+    attribute_list = generate_attribute_list_from_dataclass_json(schema, schema_name)
+    return dataclass_json(dataclasses.make_dataclass(schema_name, attribute_list))
+
+
+def convert_mashumaro_json_schema_to_python_class(schema: dict, schema_name: typing.Any) -> Type[dataclasses.dataclass()]:  # type: ignore
+    """
+    Generate a model class based on the provided JSON Schema
+    :param schema: dict representing valid JSON schema
+    :param schema_name: dataclass name of return type
+    """
 
+    attribute_list = generate_attribute_list_from_dataclass_json_mixin(schema, schema_name)
     return dataclass_json(dataclasses.make_dataclass(schema_name, attribute_list))
 
 
 def _get_element_type(element_property: typing.Dict[str, str]) -> Type:
-    element_type = element_property["type"]
+    element_type = [e_property["type"] for e_property in element_property["anyOf"]] if element_property.get("anyOf") else element_property["type"]  # type: ignore
     element_format = element_property["format"] if "format" in element_property else None
 
     if type(element_type) == list:

flytekit/types/file/file.py

@@ -6,8 +6,9 @@
 from contextlib import contextmanager
 from dataclasses import dataclass, field
 
-from dataclasses_json import DataClassJsonMixin, config
+from dataclasses_json import config
 from marshmallow import fields
+from mashumaro.mixins.json import DataClassJSONMixin
 
 from flytekit.core.context_manager import FlyteContext, FlyteContextManager
 from flytekit.core.type_engine import TypeEngine, TypeTransformer, TypeTransformerFailedError, get_underlying_type
@@ -26,7 +27,7 @@ def noop():
 
 
 @dataclass
-class FlyteFile(DataClassJsonMixin, os.PathLike, typing.Generic[T]):
+class FlyteFile(os.PathLike, typing.Generic[T], DataClassJSONMixin):
     path: typing.Union[str, os.PathLike] = field(
         default=None, metadata=config(mm_field=fields.String())
     )  # type: ignore

flytekit/types/schema/types.py

@@ -11,8 +11,9 @@
 
 import numpy as _np
 import pandas
-from dataclasses_json import DataClassJsonMixin, config
+from dataclasses_json import config
 from marshmallow import fields
+from mashumaro.mixins.json import DataClassJSONMixin
 
 from flytekit.core.context_manager import FlyteContext, FlyteContextManager
 from flytekit.core.type_engine import TypeEngine, TypeTransformer, TypeTransformerFailedError
@@ -180,7 +181,7 @@ def get_handler(cls, t: Type) -> SchemaHandler:
 
 
 @dataclass
-class FlyteSchema(DataClassJsonMixin):
+class FlyteSchema(DataClassJSONMixin):
     remote_path: typing.Optional[str] = field(default=None, metadata=config(mm_field=fields.String()))
     """
     This is the main schema class that users should use.

flytekit/types/structured/structured_dataset.py

@@ -8,9 +8,10 @@
 from typing import Dict, Generator, Optional, Type, Union
 
 import _datetime
-from dataclasses_json import DataClassJsonMixin, config
+from dataclasses_json import config
 from fsspec.utils import get_protocol
 from marshmallow import fields
+from mashumaro.mixins.json import DataClassJSONMixin
 from typing_extensions import Annotated, TypeAlias, get_args, get_origin
 
 from flytekit import lazy_module
@@ -44,7 +45,7 @@
 
 
 @dataclass
-class StructuredDataset(DataClassJsonMixin):
+class StructuredDataset(DataClassJSONMixin):
     """
     This is the user facing StructuredDataset class. Please don't confuse it with the literals.StructuredDataset
     class (that is just a model, a Python class representation of the protobuf).

setup.py

@@ -62,6 +62,7 @@
         # TODO: remove upper-bound after fixing change in contract
         "dataclasses-json>=0.5.2,<0.5.12",
         "marshmallow-jsonschema>=0.12.0",
+        "mashumaro>=3.9.1",
         "marshmallow-enum",
         "natsort>=7.0.1",
         "docker-image-py>=0.1.10",