VOSCatalog

class astropy.vo.client.vos_catalog.VOSCatalog(tree)

Bases: astropy.vo.client.vos_catalog.VOSBase

A class to represent VO Service Catalog.

Parameters:

tree : JSON tree

Raises:

VOSError

Missing necessary key(s).

Methods Summary

create(title, url, **kwargs)	Create a new VO Service Catalog with user parameters.
delete_attribute(key)	Delete given metadata key and its value from the catalog.

Methods Documentation

classmethod create(title, url, **kwargs)

Create a new VO Service Catalog with user parameters.

Parameters:

title : str

Title of the catalog.

url : str

Access URL of the service. This is used to build queries.

kwargs : dict

Additional metadata as keyword-value pairs describing the catalog, except ‘title’ and ‘url’.

Returns:

cat : VOSCatalog

VO Service Catalog.

Raises:

TypeError

Multiple values given for keyword argument.

delete_attribute(key)

Delete given metadata key and its value from the catalog.

Parameters:

key : str

Metadata key to delete.

Raises:

KeyError

Key not found.

VOSError

Key must exist in catalog, therefore cannot be deleted.