def download_df(self) -> pd.DataFrame:
"""
Download the blob and return it as a Dataframe
Returns:
A pandas dataframe generated from the blob
"""
with DPTmpFile(ArrowFormat.ext) as fn:
do_download_file(self.data_url, fn.name)
return ArrowFormat.load_file(fn.name)
def save_load_arrow(tmp_path: Path, df: pd.DataFrame) -> pd.DataFrame:
"""Roundtrip via an arrow file"""
fn = mktemp(".arrow", dir=tmp_path)
ArrowFormat.save_file(str(fn), df.copy(deep=True))
return ArrowFormat.load_file(fn)