pymongo + gevent: throw me a banana and just monkey_patch?
I have used PyMongo with Gevent and here are a few things you need to watch out for:
- Instantiate only one
pymongo.Connection
object, preferrably as a global or module-level variable. This is important becauseConnection
has within itself a pool! - Monkey patch everything, or at least BOTH socket and threading. Due to the use of thread locals in
Connection
, patching socket alone is not enough. - Remember to call
end_request
to return the connection to the pool.
The answer to your question is go ahead, PyMongo works just fine with Gevent.
On initial inspection it doesn't appear to do any socket operations in the c code so it should be fine (blocking ops should just block the green thread).