使用Mongodb的Pylons

Question

根据pymongo文档，

PyMongo is thread-safe and even provides built-in connection pooling for threaded applications.

我通常这样发起我的mongodb连接：

import pymongo
db = pymongo.Connection()['mydb']

然后我就可以像db.users.find({‘name’：..})一样使用它...

这是否意味着我可以将这两行放在lib/apps_global.py中，如下所示：

class Globals(object):

    def __init__(self, config):
        self.cache = CacheManager(**parse_cache_config_options(config))
        import pymongo
        self.db_conn = pymongo.connection()
        self.db = self.db_conn['simplesite']

然后在我的基本控制器中：

class BaseController(WSGIController):

    def __call__(self, environ, start_response):
        """Invoke the Controller"""
        # WSGIController.__call__ dispatches to the Controller method
        # the request is routed to. This routing information is
        # available in environ['pylons.routes_dict']
        ret = WSGIController.__call__(self, environ, start_response)

        # Don't forget to release the thread for mongodb
        app_globals.db_conn.end_request()
        return ret

并开始在我的控制器中调用app_global的db变量？我希望真的有那么简单。

Answer 1

Pylons的作者Ben Bangert用mongodb写了他的博客引擎。你是can browse it's source code online。