python operation MongoDB (API)

. 1  from pymongo Import MongoClient
 2  from datetime Import datetime
 . 3  
. 4  
. 5  class TestMongo (Object):
 . 6  
. 7      DEF  the __init__ (Self):
 . 8          self.client MongoClient = ()    # connect to the database 
. 9          self.db self.client = [ ' Blog ' ]    # using the blog database 
10  
. 11      DEF add_one (Self):
 12 is          "" " new data " "" 
13 is          POST = {
 14             ' Title ' : ' new title ' ,
 15              ' Content ' : ' blog content. . . . ' ,
 16              ' the created_at ' : DateTime.Now (),
 . 17              ' View ' : 10
 18 is          }
 . 19          return self.db.blog.posts.insert_one (POST)     # set (table) in a database called blog.posts 
20 is  
21 is      DEF get_one (Self):
 22          "" " query a data " "" 
23          return self.db.blog.posts.
 
25      DEF get_more (Self):
 26 is          "" " Search Data " "" 
27          return self.db.blog.posts.find ()
 28  
29      DEF get_from_oid (Self, OID):
 30          "" " acquires an ID recorded data "" " 
31 is          from bson.objectid Import the ObjectId     # used to query the data ObjectID 
32          return self.db.blog.posts.find_one ({ ' the _id ' : the ObjectId (OID)})
 33 is  
34 is      DEF Update (Self):
 35          "" " modify the data ." ""
36          # modify a data
37 [          REST = self.db.blog.posts.update_one ({ ' view ' : 10}, { ' $ inc is ' : { ' view ' :}}. 1)    # $ inc is to increase the view 1, $ set will view provided the specified value 
38 is          Print (rest.matched_count)      # matched_count matching number 
39          Print (rest.modified_count)     # modified_count successfully modified data quantity 
40          # modify a plurality of data 
41 is          REST = self.db.blog.posts.update_many ({ }, { ' $ inc is ' : { ' View ' : 10}})    #View increases all the 10 
42 is          Print (rest.matched_count)
 43 is          Print (rest.modified_count)
 44 is  
45      DEF Delete (Self):
 46 is          "" " delete data " "" 
47          # delete a data 
48          REST = self.db.blog .posts.delete_one ({ ' View ' : 10 })
 49          Print (rest.deleted_count)    # DELETED_COUNT data quantity is successfully deleted 
50          # deleting a plurality of data 
51 is          REST = self.db.blog.posts.delete_many ({ ' title ' : ' new title '})
52         print(rest.deleted_count)
53 
54 
55 def main():
56     obj = TestMongo()
57     # rest = obj.add_one()
58     # rest = obj.get_more()
59     # for item in rest:
60     #     print(item)
61     # obj.update()
62     # obj.delete()
63 
64 
65 if __name__ == '__main__':
66     main()