Historical.batch.download

Download a batch job or a specific file to {output_dir}/{job_id}/.

Will automatically generate any necessary directories if they do not already exist.

Related: Download center.

Parameters

Parameter
Type
Required
Description
job_id
str
required
The batch job identifier.
output_dir
PathLike[str] or str
optional
The directory to download the file(s) to. If None, defaults to the current working directory.
filename_to_download
str
optional
The specific file to download. If None then will download all files for the batch job.
keep_zip
bool, default False
optional
If True, and filename_to_download is None, all job files will be saved as a .zip archive in the output_dir.

Returns

list[Path]

A list of paths to the downloaded files.

API method
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Historical.batch.download(
    job_id: str,
    output_dir: PathLike[str] | str | None = None,
    filename_to_download: str | None = None,
    keep_zip: bool = False,
) -> list[Path]
Example usage
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import databento as db

client = db.Historical("$YOUR_API_KEY")

# Download all files for the batch job
client.batch.download(
    job_id="GLBX-20220610-5DEFXVTMSM",
    output_dir="my_data/",
)

# Alternatively, you can download a specific file
client.batch.download(
    job_id="GLBX-20220610-5DEFXVTMSM",
    output_dir="my_data/",
    filename_to_download="metadata.json",
)