If you want to use method decorators in OpenERP(Odoo) follow the below mentioned code and paste it in your (Python).py file:
model = self.pool.get(MODEL)
ids = model.search(cr, uid, DOMAIN, context=context)
for rec in model.browse(cr, uid, ids, context=context):
print rec.name
model.write(cr, uid, ids, VALUES, context=context)
env = Environment(cr, uid, context) # cr, uid, context wrapped in env
model = env[MODEL] # retrieve an instance of MODEL
recs = model.search(DOMAIN) # search returns a recordset
for rec in recs: # iterate over the records
print rec.name
recs.write(VALUES)
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