find_url

gwdatafind.find_url(framefile, urltype='file', on_missing='error', host=None, session=None, **request_kw)

Query a GWDataFind host for the URL of a single filename.

Parameters
  • framefile (str) – the name of the file to match; note that only the basename of the file is relevant.

  • urltype (str, optional) – URL scheme to search for

  • on_missing (str, optional) –

    what to do when the requested file isn’t found, one of:

    • 'error': raise a RuntimeError

    • 'warn': print a warning but return an empty list

    • 'ignore': return an empty list with no warnings

  • host (str, optional) – the URL/name of the GWDataFind host to query; if not given get_default_host() will be used to discover the default host.

  • session (requests.Session, optional) – the connection session to use; if not given, a igwn_auth_utils.requests.Session will be created on-the-fly

  • **request_kw – other keywords are passed to igwn_auth_utils.requests.get()

Returns

urls (list of str) – a list of URLs for all instances of filename

Raises
  • requests.RequestsException – if the request fails for any reason

  • RuntimeError – if no matching URLs are found and on_missing="error" was given