def _get_offset_param(params):
"""Extract offset id from request's dictionary (defaults to 0) or fail."""
offset = params.pop('offset', 0)
return api_utils.validate_integer(offset,
'offset',
0,
constants.DB_MAX_INT)
def _validate_quota_set(quota_set):
bad_keys = []
for key, value in quota_set.items():
if (key not in QUOTAS and key not in GROUP_QUOTAS
and key not in NON_QUOTA_KEYS):
bad_keys.append(key)
continue
if key in NON_QUOTA_KEYS:
continue
api_utils.validate_integer(value,
key,
min_value=-1,
max_value=db.MAX_INT)
if len(bad_keys) > 0:
msg = _("Bad key(s) in quota set: %s") % ", ".join(bad_keys)
raise exception.InvalidInput(reason=msg)
return True
