def version_tuple(self) -> Tuple[int, int, int]:
"""
Return a tuple of the version string.
"""
validate_version_str(self.version)
vsplit = self.version.split(".")
return int(vsplit[0]), int(vsplit[1]), int(vsplit[2])
def read_data_version(self,
path: Optional[Union[Path, str]] = None) -> str:
"""
Read the data version from disk.
Return a 3 length tuple from the semantic version string (of the
form xx.yy.zz). Raise a DataVersionError if not found.
"""
version_path = path or self._version_path
if not version_path.exists():
raise DataVersionError(f"{version_path} does not exist!")
with version_path.open("r") as fi:
version_str = fi.read()
validate_version_str(version_str)
return version_str
def __init_subclass__(cls, **kwargs):
"""Register subclasses of datasets."""
assert isinstance(cls.name, str), "name must be a string"
validate_version_str(cls.version)
# Register the subclass as a dataset.
DataSet._datasets[cls.name.lower()] = cls