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1 #coding=utf-8 2 from pymongo import MongoClient 3 4 def get_all_ids(collection): 5 for each in collection.find(): 6 yield each[‘_id‘] 7 8 def compare_dict(this, other): 9 del this[‘_id‘]10 del other[‘_id‘]11 return this == other12 13 def compare(_first_collection, _second_collection):14 print ‘Total documents are (first:%d, second:%d)‘ % (_first_collection.count(), _second_collection.count())15 for _id in get_all_ids(_first_collection):16 _first = _first_collection.find_one({‘_id‘:_id})17 _second = _second_collection.find_one({‘_id‘:_id})18 if not (_first and _second):19 print ‘document with ObjectId("%s") not in both databases...‘ % _id20 continue21 if not compare_dict(_first, _second):22 print ‘document with ObjectId("%s") not same in both databases...‘ % _id23 24 if __name__ == ‘__main__‘: 25 client1 = MongoClient(‘localhost‘, 27017)26 client2 = MongoClient(‘localhost‘, 19871)27 try:28 compare(client1.NewRisDatabase.NewRisCollection, client2.NewRisDatabase.NewRisCollection)29 except Exception as e:30 print e.message31 finally:32 client1.close()33 client2.close()
Python對比兩個MongoDB資料庫裡的Collection資料