Slight updates to greenlet / Gevent documentation

Author: A. Jesse Jiryu Davis

pymongo/connection.py

@@ -167,7 +167,8 @@ def __init__(self, host=None, port=None, max_pool_size=10,
 
  .. seealso:: :meth:`end_request`
  .. versionchanged:: 2.2
- Added `auto_start_request` option back.
+ Added `auto_start_request` option back. Added `use_greenlets`
+ option.
  .. versionchanged:: 2.1
  Support `w` = integer or string.
  Added `ssl` option.

pymongo/replica_set_connection.py

@@ -177,9 +177,12 @@ def __init__(self, hosts_or_uri=None, max_pool_size=10,
  consistency guarantees. (The semantics of auto_start_request,
  :class:`~pymongo.ReadPreference`, and :class:`ReplicaSetConnection`
  may change in future releases of PyMongo.)
- - `use_greenlets` (optional): if ``True``, :meth:`start_request()`
- will ensure that the current greenlet uses the same socket for all
- operations until :meth:`end_request()`
+ - `use_greenlets` (optional): if ``True``, use a background Greenlet
+ instead of a background thread to monitor state of replica set.
+ :meth:`start_request()` will ensure that the current greenlet uses
+ the same socket for all operations until :meth:`end_request()`.
+ `use_greenlets` with ReplicaSetConnection requires `Gevent
+ <http://gevent.org/>`_ to be installed.
  - `slave_okay` or `slaveOk` (deprecated): Use `read_preference`
  instead.
  - `host`: For compatibility with connection.Connection. If both
@@ -194,7 +197,7 @@ def __init__(self, hosts_or_uri=None, max_pool_size=10,
 
 
  .. versionchanged:: 2.2
- Added `auto_start_request` option.
+ Added `auto_start_request` and `use_greenlets` options.
  Added support for `host`, `port`, and `network_timeout` keyword
  arguments for compatibility with connection.Connection.
  .. versionadded:: 2.1