Python Data Persistence – PyMongo Module
PyMongo module is an official Python driver for MongoDB database developed by Mongo Inc. It can be used on Windows, Linux, as well as MacOS. As always, you need to install this module using the pip3 utility.
pip3 install pymongo
Before attempting to perform any operation on a database, ensure that you have started the server using ‘mongod’ command and the server is listening at port number 22017.
To let your Python interpreter interact with the server, establish a connection with the object of MongoClient class.
- Data Persistence – Python – PyMongo
- Python Data Persistence – MongoDB – Update Document
- Python Data Persistence – SQLAlchemy Core
Example
>>> from pymongo import MongoClient >>> client=MongoClient( )
The following syntax is also valid for setting up connection with server.
>>> client = MongoClient('localhost', 27017)
#or
client = MongoClient('mongodb://localhost:27017')
In order to display currently available databases use list_database_ namesO method of MongoClient class.
Example
>>> client.list_database_names( ) [' admin' , ' config' , 1 local' , ' mydb' ]