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Diffstat (limited to 'src/server/neo4j_util.py')
| -rw-r--r-- | src/server/neo4j_util.py | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/server/neo4j_util.py b/src/server/neo4j_util.py index 0762fdef..9af9eaa0 100644 --- a/src/server/neo4j_util.py +++ b/src/server/neo4j_util.py @@ -275,11 +275,18 @@ def meta_attr_list_to_meta_attr_map(e_set, meta_attr='__label_set'): in: [{'id':0, '__type': 'T'}, {'id':1, '__type': 'T'}] out: { 'T': [{'id':0}, {'id':1}] } + + [!] as of 2015-01 multiple labels for relations are not supported, + which is why meta_attr='__type' should be used when calling this + function to map links """ ret = {} for v in e_set: - assert None != v[meta_attr], 'missing type meta-attribute' - assert 1 == len(v[meta_attr]), 'only single-type mapping currently suppoerted' + meta_attr_list = v.get(meta_attr) + assert None != meta_attr_list, 'missing type meta-attribute' + assert list == type(meta_attr_list), 'type meta-attribute not in list form' + assert len(meta_attr_list) < 2, 'only single-type mapping currently suppoerted' + assert 1 == len(meta_attr_list), 'missing meta attribute __label_set or __type' v_type = v[meta_attr][0] if None == ret.get(v_type): # init type list if necessary |