python - MongoDB generating same ID between inserts -


i using pymongo , trying insert dicts mongodb database. dictionaries this

{     "name" : "abc",     "jobs" : [         {             "position" : "systems engineer (data analyst)",             "time" : [                 "october 2014",                 "may 2015"             ],             "is_current" : 1,             "location" : "xyz",             "organization" : "xyz"         },         {             "position" : "systems engineer (mdm support lead)",             "time" : [                 "january 2014",                 "october 2014"             ],             "is_current" : 1,             "location" : "xxx",             "organization" : "xxx"         },         {             "position" : "asst. systems engineer (etl support executive)",             "time" : [                 "may 2012",                 "december 2013"             ],             "is_current" : 1,             "location" : "zzz",             "organization" : "xzx"         },     ],     "location" : "buffalo, new york",     "education" : [         {             "school" : "state university of new york @ buffalo - school of management",             "major" : "management information systems, general",             "degree" : "master of science (ms), "         },         {             "school" : "rajiv gandhi prodyogiki vishwavidyalaya",             "major" : "electrical , electronics engineering",             "degree" : "bachelor of engineering (b.e.), "         }     ],     "id" : "abc123",     "profile_link" : "example.com",     "html_source" : "<html> some_source_code </html>" }

i getting error:

pymongo.errors.duplicatekeyerror: e11000 duplicate key error index: linkedin_db.employee_info.$id dup key: { : objectid('56b64f6071c54604f02510a8') }

when run program 1st document gets inserted when insert second document error. when start script again document not inserted because of error inserted , error comes next document , continues.

clearly mognodb using same objecid during 2 inserts. don't understand why mongodb failing generate unique id new documents.

my code save passed data:

class mongosave:     """         pass collection_name , dict data         module stores passed dict in collection     """      def __init__(self):         self.connection = pymongo.mongoclient()         self.db = self.connection['linkedin_db']      def _exists(self, id):         #to check if user alredy exists         return true if list(self.collection.find({'id': id})) else false      def save(self, collection_name, data):         self.collection = self.db[collection_name]         if not self._exists(data['id']):             print (data['id'])             self.collection.insert(data)         else:             self.collection.update({'id':data['id']}, {"$set": data})

i can figure out why happening. appreciated.

the problem save method using field called "id" decide if should insert or upsert. want use "_id" instead. you can read _id field , index here. pymongo automatically adds _id document if 1 not present. you can read more here.


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