Source code for est.core.io.url

from typing import Optional
from typing import Union

from silx.io.url import DataUrl




def get_url(input_url: Union[str, None, DataUrl]) -> Optional[DataUrl]:
    if isinstance(input_url, DataUrl):
        return input_url
    if input_url in (None, ""):
        return None

    if not isinstance(input_url, str):
        raise TypeError(type(input_url))

    try:
        if "@" in input_url:
            data_path, file_path = input_url.split("@")
            return DataUrl(file_path=file_path, data_path=data_path, scheme="silx")
        else:
            return DataUrl(path=input_url)
    except Exception as ex:
        raise ValueError(f"unrecognized url {input_url}") from ex