我正在尝试使用MongoTor
更改我的代码以使其异步这是我的简单代码:
class BaseHandler(tornado.web.RequestHandler):
@property
def db(self):
if not hasattr(self,"_db"):
_db = Database.connect('localhost:27017', 'essog')
return _db
@property
def fs(self):
if not hasattr(BaseHandler,"_fs"):
_fs = gridfs.GridFS(self.db)
return _fs
class LoginHandler(BaseHandler):
@tornado.web.asynchronous
@tornado.gen.engine
def post(self):
email = self.get_argument("email")
password = self.get_argument("pass1")
try:
search = yield tornado.gen.Task(self.db.users.find, {"prs.mail":email})
....
我收到了这个错误:
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\tornado-2.4.post1-py2.7.egg\tornado\web.py", line 1043, in _stack_context_handle_exception
raise_exc_info((type, value, traceback))
File "C:\Python27\lib\site-packages\tornado-2.4.post1-py2.7.egg\tornado\web.py", line 1162, in wrapper
return method(self, *args, **kwargs)
File "C:\Python27\lib\site-packages\tornado-2.4.post1-py2.7.egg\tornado\gen.py", line 122, in wrapper
runner.run()
File "C:\Python27\lib\site-packages\tornado-2.4.post1-py2.7.egg\tornado\gen.py", line 365, in run
yielded = self.gen.send(next)
File "G:\Mon projet\essog\handlers.py", line 92, in post
search = yield tornado.gen.Task(self.db.users.find, {"prs.mail":email})
File "G:\Mon projet\essog\handlers.py", line 62, in db
_db = Database.connect('localhost:27017', 'essog')
File "build\bdist.win-amd64\egg\mongotor\database.py", line 131, in connect
database.init(addresses, dbname, read_preference, **kwargs)
File "build\bdist.win-amd64\egg\mongotor\database.py", line 62, in init
ioloop_is_running = IOLoop.instance().running()
AttributeError: 'SelectIOLoop' object has no attribute 'running'
ERROR:tornado.access:500 POST /login (::1) 3.00ms
这是另一个问题,在这种情况下如何制作distinct
?
以下是阻止模式:
的作用search = self.db.users.find({"prs.mail":email}).distinct("prs.mail")[0]
更新
似乎没有Tornado运行时会发生此错误!在控制台中仅使用模块时出现的错误相同。
test = Database.connect(“localhost:27017”,“essog”) -------------------------------------------------- ------------------------- AttributeError Traceback(最近一次调用 最后)in() ----> 1 test = Database.connect(“localhost:27017”,“essog”)
C:\ Python27 \ lib中\站点包\ mongotor-0.0.10-py2.7.egg \ mongotor \ database.pyc 在连接(cls,地址,dbname,read_preference,** kwargs) 131 132 database = Database() - > 133 database.init(address,dbname,read_preference,** kwargs) 134 135返回数据库
C:\ Python27 \ lib中\站点包\ mongotor-0.0.10-py2.7.egg \ mongotor \ database.pyc 在init(self,addresses,dbname,read_preference,** kwargs) 60个self._nodes.append(节点) 61 ---> 62 ioloop_is_running = IOLoop.instance()。running() 63 self._config_nodes(callback = partial(self._on_config_node, ioloop_is_running)) 64
AttributeError:'SelectIOLoop'对象没有属性'running'
答案 0 :(得分:0)
我得到了asnwer:
编辑:龙卷风和mongotor现在使用最新版本更好。
distinc_uuids = yield gen.Task(db.collection_test.find({"param":'shouldbeparam1'}).distinct, 'uuid')