solarwindpy.solar_activity.base.DataLoader

class DataLoader(key, url)

Bases: Base

__init__(key, url)

Initialize a data loader.

Parameters:

• key (str) – Unique data identifier, typically from something like SIDC_ID.

• url (str) – Full download URL for the data source.

abstract property data_path

abstractmethod static convert_nans(data)

abstractmethod download_data()

abstractmethod load_data()

property logger

logging.Logger attached to the instance.

property data

property key

property url

property ctime

property age

set_key(key)

set_url(new)

get_data_ctime()

Determine when the current data set was created.

Returns:

Creation time inferred from the file name, or 1970-01-01 if no prior data are found.

Return type:

pandas.Timestamp

get_data_age()

maybe_update_stale_data()

Download new data if the existing cache is stale.