filter contact

import json

nodes_fn = os.path.join(params['dest_dir'], 'nodes.json')
    
# read data from dest dir
try:
  with open(nodes_fn, 'r') as nodedb_handle:
    nodedb = json.load(nodedb_handle)
  except IOError:
    nodedb = {'nodes': dict()}
        
        
for node_id, node in nodedb['nodes'].items():
  node['nodeinfo']['owner']['contact'] = ''

# write processed data to dest dir
with open(nodes_fn, 'w') as f:
  json.dump(nodedb, f)