Input/Output

In-Memory Data

Python Objects

daft.from_pylist	Creates a DataFrame from a list of dictionaries.
daft.from_pydict	Creates a DataFrame from a Python dictionary.
daft.DataFrame.to_pydict	Converts the current DataFrame to a python dictionary.

Arrow

daft.from_arrow	Creates a DataFrame from a pyarrow Table.
daft.DataFrame.to_arrow	Converts the current DataFrame to a pyarrow Table.

Pandas

daft.from_pandas	Creates a Daft DataFrame from a pandas DataFrame.
daft.DataFrame.to_pandas	Converts the current DataFrame to a pandas DataFrame.

File Paths

daft.from_glob_path

Creates a DataFrame of file paths and other metadata from a glob path.

Files

Parquet

daft.read_parquet	Creates a DataFrame from Parquet file(s)
daft.DataFrame.write_parquet	Writes the DataFrame as parquet files, returning a new DataFrame with paths to the files that were written

CSV

daft.read_csv	Creates a DataFrame from CSV file(s)
daft.DataFrame.write_csv	Writes the DataFrame as CSV files, returning a new DataFrame with paths to the files that were written

JSON

daft.read_json

Creates a DataFrame from line-delimited JSON file(s)

Integrations

Ray Datasets

daft.from_ray_dataset	Creates a DataFrame from a Ray Dataset.
daft.DataFrame.to_ray_dataset	Converts the current DataFrame to a Ray Dataset which is useful for running distributed ML model training in Ray

Dask

daft.from_dask_dataframe	Creates a Daft DataFrame from a Dask DataFrame.
daft.DataFrame.to_dask_dataframe	Converts the current Daft DataFrame to a Dask DataFrame.