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https://github.com/twitter/the-algorithm-ml.git
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55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
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import typing
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import enum
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from tml.common.modules.embedding.config import LargeEmbeddingsConfig
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from tml.core.config import base_config
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from tml.optimizers.config import OptimizerConfig
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import pydantic
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from pydantic import validator
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class TwhinEmbeddingsConfig(LargeEmbeddingsConfig):
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@validator("tables")
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def embedding_dims_match(cls, tables):
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embedding_dim = tables[0].embedding_dim
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data_type = tables[0].data_type
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for table in tables:
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assert table.embedding_dim == embedding_dim, "Embedding dimensions for all nodes must match."
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assert table.data_type == data_type, "Data types for all nodes must match."
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return tables
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class Operator(str, enum.Enum):
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TRANSLATION = "translation"
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class Relation(pydantic.BaseModel):
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"""graph relationship properties and operator"""
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name: str = pydantic.Field(..., description="Relationship name.")
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lhs: str = pydantic.Field(
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...,
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description="Name of the entity on the left-hand-side of this relation. Must match a table name.",
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)
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rhs: str = pydantic.Field(
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...,
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description="Name of the entity on the right-hand-side of this relation. Must match a table name.",
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)
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operator: Operator = pydantic.Field(
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Operator.TRANSLATION, description="Transformation to apply to lhs embedding before dot product."
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)
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class TwhinModelConfig(base_config.BaseConfig):
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embeddings: TwhinEmbeddingsConfig
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relations: typing.List[Relation]
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translation_optimizer: OptimizerConfig
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@validator("relations", each_item=True)
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def valid_node_types(cls, relation, values, **kwargs):
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table_names = [table.name for table in values["embeddings"].tables]
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assert relation.lhs in table_names, f"Invalid lhs node type: {relation.lhs}"
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assert relation.rhs in table_names, f"Invalid rhs node type: {relation.rhs}"
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return relation
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