def check(self, etree):
dataset = get_dataset(etree)
props = {}
for prop_name in drs_prop_map:
prop = get_property(dataset, prop_name)
if prop_name == 'dataset_version':
prop = int(prop)
elif prop_name == 'ensemble':
#!TODO: refactor this to share code with drslib.translate
mo = re.match(r'(?:r(\d+))?(?:i(\d+))?(?:p(\d+))?', prop)
if not mo:
raise InvalidThreddsException('Unrecognised ensemble syntax %s' % prop)
(r, i, p) = mo.groups()
prop = tuple(x and int(x) for x in (r, i, p))
props[drs_prop_map[prop_name]] = prop
drs = CmipDRS(**props)
# If present in environ check against drs_id
if 'drs_id' in self.environ:
if drs.to_dataset_id() != self.environ['drs_id']:
raise InvalidThreddsException("drs properties inconsistent with drs_id for dataset %s" %
dataset.get('ID'))
self.environ['drs'] = drs
def init_drs(self, drs=None):
if drs is None:
drs = CmipDRS()
drs.activity = 'cmip3'
drs.version = 1
drs.product = 'output'
return drs