save network

model.py

@@ -93,6 +93,11 @@ class Model(ap.Model):
         self.firm_network = ap.Network(self, G_Firm)
         self.product_network = ap.Network(self, G_bom)
 
+        out_file = open("myfile.json", "w")
+        import json
+        json.dump(nx.adjacency_data(G_Firm), out_file)
+        out_file.close()
+
         # init product
         for ag_node, attr in self.product_network.graph.nodes(data=True):
             product = ProductAgent(self, code=ag_node.label, name=attr['Name'])

orm.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from sqlalchemy import create_engine, inspect
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy import Column, Integer, String, ForeignKey, BigInteger, DateTime, PickleType, Boolean
+from sqlalchemy import Column, Integer, String, ForeignKey, BigInteger, DateTime, PickleType, Boolean, Text
 from sqlalchemy.sql import func
 from sqlalchemy.orm import relationship, Session
 from sqlalchemy.pool import NullPool
@@ -65,6 +65,8 @@ class Sample(Base):
     ts_done = Column(DateTime(timezone=True), onupdate=func.now())
     stop_t = Column(Integer, nullable=True)
 
+    firm_network = Column(Text(4294000000), nullable=True)
+    
     experiment = relationship('Experiment', back_populates='sample', uselist=False)
     result = relationship('Result', back_populates='sample', lazy='dynamic')