Python MongoDB

Posted by On 12月 26, 2015 0 Comment

Install Mongodb Driver

PyMongo

pip install pymongo

Sample

from pymongo import MongoClient

client = MongoClient()
db = client.mydb  # mydb is database name  client['mydb']
client.close()

client is mongo client, db is database object.
This is similar as mongoshell

About mongoshell, please look MongoDB Basic Use

Insert

client = MongoClient()
db = client.mydb  # mydb is database name  client['mydb']

#coll = db.users   # users is collection name
db.user.insert_one({"name":"dj110", "attr":{"bloodtype": "AB", "play":"soccer"}})
db.user.insert_one({"name":"kotori", "team":"us", "grade" : "2"})
db.user.insert_one({"name":"hanayo", "team":"us", "grade" : "1"})
client.close()

Retrieve

def printAll(cursor):
    for document in cursor:
        print(document)

cursor = db.user.find()
printAll(cursor)

cursor = db.user.find({"name":"kotori"})
printAll(cursor)

cursor = db.user.find({"$or": [{"team": "junior"}, {"grade": "1"}]})
printAll(cursor)

Others

update_one, update_many, replace_one, delete_one, delete_many, db.user.drop()

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