def get_backend_choices(clas):
"""
Return a tuple of available backends as used by choice fields.
"""
choices = []
if hasattr(settings, "WEBDAV_BACKENDS"):
for item in settings.WEBDAV_BACKENDS:
cls = get_class(item)
try:
choices.append((item, "%s / %s"%(cls.get_category(), cls.get_name())))
except ClassNotFoundException, cnfe:
logger.warning(cnfe)
return tuple(choices)
def get_backend_class(self):
try:
return get_class(self.backend)
except ClassNotFoundException, cnfe:
logger.warning(cnfe)
