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asyncmongo

★ 606 Open GitHub ↗

An asynchronous library for accessing mongo with tornado.ioloop

// repository documentation

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asyncmongo
==========

AsyncMongo is an asynchronous library for accessing mongo 
which is built on the tornado ioloop.

[![Build Status](https://travis-ci.org/bitly/asyncmongo.png?branch=master)](https://travis-ci.org/bitly/asyncmongo)

Installation
------------

Installing: `pip install asyncmongo`

Usage
-----

asyncmongo syntax strives to be similar to [pymongo](http://api.mongodb.org/python/current/api/pymongo/collection.html).

import asyncmongo
    import tornado.web
    
    class Handler(tornado.web.RequestHandler):
        @property
        def db(self):
            if not hasattr(self, '_db'):
                self._db = asyncmongo.Client(pool_id='mydb', host='127.0.0.1', port=27017, maxcached=10, maxconnections=50, dbname='test')
            return self._db
    
        @tornado.web.asynchronous
        def get(self):
            self.db.users.find({'username': self.current_user}, limit=1, callback=self._on_response)
            # or
            # conn = self.db.connection(collectionname="...", dbname="...")
            # conn.find(..., callback=self._on_response)
    
        def _on_response(self, response, error):
            if error:
                raise tornado.web.HTTPError(500)
            self.render('template', full_name=response['full_name'])

About
-----

Some features are not currently implemented:

* directly interfacing with indexes, dropping collections
* retrieving results in batches instead of all at once 
(asyncmongo's nature means that no calls are blocking regardless of the number of results you are retrieving)
* tailable cursors #15

Requirements
------------
The following two python libraries are required

* [pymongo](http://github.com/mongodb/mongo-python-driver) version 1.9+ for bson library
* [tornado](http://github.com/facebook/tornado)

Issues
------

Please report any issues via [github issues](https://github.com/bitly/asyncmongo/issues)

asyncmongo

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