def translate(name, input_namespace, output_namespace, session=None):
'''
name = translate(name, input_namespace, output_namespace, session={backend.create_session()})
Translate from one namespace to another.
Parameters
----------
name : str
input name
input_namespace : str
namespace to translate from (must be a known namespace)
output_namespace : str
namespace to translate to (must be a known namespace)
session : SQLAlchemy sesion object
SQLAlchemy session to use (default: call backend.create_session())
Returns
-------
name : str or None
result of translation or None if not found.
'''
if session is None:
session = waldo.backend.create_session()
verify_namespace(input_namespace)
verify_namespace(output_namespace)
trans = session.query(Translation).filter(
and_(Translation.input_namespace == input_namespace,
Translation.input_name == name,
Translation.output_namespace == output_namespace)).first()
if trans is None:
if input_namespace == output_namespace:
return name
return None
return trans.output_name
def list_all(namespace, session=None):
'''
all_ids = list_all(namespace, session={waldo.backend.create_session()})
Parameters
----------
namespace : str
input namespacce
session : SQLAlchemy sesion object
SQLAlchemy session to use (default: call backend.create_session())
Returns
-------
alls_ids : list of str
'''
if session is None:
session = waldo.backend.create_session()
verify_namespace(namespace)
results = session.query(Translation.input_name).filter(Translation.input_namespace == namespace).all()
return [r[0] for r in results if r[0]]
