# -*- coding: utf-8 -*-
import importlib
import os
import pkgutil
from .version import version as __version__
DATASETS = [
d.name
for d in pkgutil.iter_modules(
[os.path.dirname(os.path.abspath(__file__)) + "/datasets"]
)
]
[docs]def list_datasets():
"""Get a list of all mirdata dataset names
Returns:
list: list of dataset names as strings
"""
return DATASETS
[docs]def initialize(dataset_name, data_home=None):
"""Load a mirdata dataset by name
Example:
.. code-block:: python
orchset = mirdata.initialize('orchset') # get the orchset dataset
orchset.download() # download orchset
orchset.validate() # validate orchset
track = orchset.choice_track() # load a random track
print(track) # see what data a track contains
orchset.track_ids() # load all track ids
Args:
dataset_name (str): the dataset's name
see mirdata.DATASETS for a complete list of possibilities
data_home (str or None): path where the data lives. If None
uses the default location.
Returns:
Dataset: a mirdata.core.Dataset object
"""
if dataset_name not in DATASETS:
raise ValueError("Invalid dataset {}".format(dataset_name))
module = importlib.import_module("mirdata.datasets.{}".format(dataset_name))
return module.Dataset(data_home=data_home)