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Python driver for MongoDB <>

Project description


See the mongo site for more information. See github for the latest source.


Mike Dirolf


Bernie Hackett <>


The PyMongo distribution contains tools for interacting with MongoDB database from Python. The bson package is an implementation of the BSON format for Python. The pymongo package is a native Python driver for MongoDB. The gridfs package is a gridfs implementation on top of pymongo.

Issues / Questions / Feedback

Any issues with, questions about, or feedback for PyMongo should be sent to the mongodb-user list on Google Groups. For confirmed issues or feature requests, open a case on jira. Please do not e-mail any of the PyMongo developers directly with issues or questions - you’re more likely to get an answer on the list.


If you have setuptools installed you should be able to do easy_install pymongo to install PyMongo. Otherwise you can download the project source and do python install to install.


The PyMongo distribution is supported and tested on Python 2.x, where x >= 4. PyMongo versions <= 1.3 also supported Python 2.3, but that is no longer supported. If you need to use Python 2.3 please contact us.

Additional dependencies are:

  • (to generate documentation) sphinx

  • (to auto-discover tests) nose


Here’s a basic example (for more see the examples section of the docs):

>>> import pymongo
>>> connection = pymongo.Connection("localhost", 27017)
>>> db = connection.test
>>> db.my_collection
Collection(Database(Connection('localhost', 27017), u'test'), u'my_collection')
>>>{"x": 10})
>>>{"x": 8})
>>>{"x": 11})
>>> db.my_collection.find_one()
{u'x': 10, u'_id': ObjectId('4aba15ebe23f6b53b0000000')}
>>> for item in db.my_collection.find():
...     print item["x"]
>>> db.my_collection.create_index("x")
>>> for item in db.my_collection.find().sort("x", pymongo.ASCENDING):
...     print item["x"]
>>> [item["x"] for item in db.my_collection.find().limit(2).skip(1)]
[8, 11]


You will need sphinx installed to generate the documentation. Documentation can be generated by running python doc. Generated documentation can be found in the doc/build/html/ directory.


The easiest way to run the tests is to install nose (easy_install nose) and run nosetests or python test in the root of the distribution. Tests are located in the test/ directory.

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