Hopeit Engine Dataframes for Polars
Project description
hopeit.engine dataframes plugin
This library is part of hopeit.engine:
Install using extras when installing hopeit.engine:
pip install hopeit.engine[dataframes]
hopeit.dataframes
This plugin introduces dataclasses annotations to work with polars dataframes
as other dataobjects:
@dataframe annotation allows a dataclass to become the schema and container for a dataframe
@dataframeobject annotation, acts as @dataobject with support to have dataframe annotated fields
DataFrames class, provides an api to create, serialize, and access polars dataframe
Features: -Type coercion for @dataframe fields -Transparent access to series in @dataframe objects using dot notation -Serialization for @dataframe and @dataframeobjects allowing them to be transferred through streams (using file system storage to store the actual data, and transferring only metadata for deserialization in the stream) -Support to handle @dataframeobject as payload for web requests
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