ail-framework/bin/lib/relationships_engine.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import os
import sys
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from lib.ConfigLoader import ConfigLoader
config_loader = ConfigLoader()
r_rel = config_loader.get_db_conn("Kvrocks_Relationships")
config_loader = None
RELATIONSHIPS = {
"forward",
"mention"
}
def get_relationships():
return RELATIONSHIPS
def get_obj_relationships_by_type(obj_global_id, relationship):
return r_rel.smembers(f'rel:{relationship}:{obj_global_id}')
def get_obj_nb_relationships_by_type(obj_global_id, relationship):
return r_rel.scard(f'rel:{relationship}:{obj_global_id}')
def get_obj_relationships(obj_global_id):
relationships = []
for relationship in get_relationships():
for rel in get_obj_relationships_by_type(obj_global_id, relationship):
meta = {'relationship': relationship}
direction, obj_id = rel.split(':', 1)
if direction == 'i':
meta['source'] = obj_id
meta['target'] = obj_global_id
else:
meta['target'] = obj_id
meta['source'] = obj_global_id
if not obj_id.startswith('chat'):
continue
meta['id'] = obj_id
# meta['direction'] = direction
relationships.append(meta)
return relationships
def get_obj_nb_relationships(obj_global_id):
nb = {}
for relationship in get_relationships():
nb[relationship] = get_obj_nb_relationships_by_type(obj_global_id, relationship)
return nb
# TODO Filter by obj type ???
def add_obj_relationship(source, target, relationship):
r_rel.sadd(f'rel:{relationship}:{source}', f'o:{target}')
r_rel.sadd(f'rel:{relationship}:{target}', f'i:{source}')
# r_rel.sadd(f'rels:{source}', relationship)
# r_rel.sadd(f'rels:{target}', relationship)
def get_relationship_graph(obj_global_id, filter_types=[], max_nodes=300, level=1, objs_hidden=set()):
links = []
nodes = set()
meta = {'complete': True, 'objs': set()}
done = set()
done_link = set()
_get_relationship_graph(obj_global_id, links, nodes, meta, level, max_nodes, filter_types=filter_types, objs_hidden=objs_hidden, done=done, done_link=done_link)
return nodes, links, meta
def _get_relationship_graph(obj_global_id, links, nodes, meta, level, max_nodes, filter_types=[], objs_hidden=set(), done=set(), done_link=set()):
meta['objs'].add(obj_global_id)
nodes.add(obj_global_id)
for rel in get_obj_relationships(obj_global_id):
meta['objs'].add(rel['id'])
if rel['id'] in done:
continue
if len(nodes) > max_nodes != 0:
meta['complete'] = False
break
nodes.add(rel['id'])
str_link = f"{rel['source']}{rel['target']}{rel['relationship']}"
if str_link not in done_link:
links.append({"source": rel['source'], "target": rel['target'], "relationship": rel['relationship']})
done_link.add(str_link)
if level > 0:
next_level = level - 1
_get_relationship_graph(rel['id'], links, nodes, meta, next_level, max_nodes, filter_types=filter_types, objs_hidden=objs_hidden, done=done, done_link=done_link)
# done.add(rel['id'])
if __name__ == '__main__':
source = ''
target = ''
add_obj_relationship(source, target, 'forward')
# print(get_obj_relationships(source))