每当启用HTTPretty时，我就无法与PyMongo建立连接。我知道HTTPretty会改变核心套接字模块；有没有办法解决？
代码示例:
import pymongo
import httpretty
import time
httpretty.enable()
try:
client = pymongo.MongoClient()
except pymongo.errors.AutoReconnect:
print("AutoReconnect")
time.sleep(2)
引发异常:
Traceback (most recent call last):
File "C:\Python33\lib\site-packages\pymongo\mongo_client.py", line 363, in __init__
self._ensure_connected(True)
File "C:\Python33\lib\site-packages\pymongo\mongo_client.py", line 924, in _ensure_connected
self.__ensure_member()
File "C:\Python33\lib\site-packages\pymongo\mongo_client.py", line 797, in __ensure_member
member, nodes = self.__find_node()
File "C:\Python33\lib\site-packages\pymongo\mongo_client.py", line 888, in __find_node
raise AutoReconnect(', '.join(errors))
pymongo.errors.AutoReconnect: [WinError 10035] A non-blocking socket operation could not be completed immediately
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "tmp.py", line 7, in
client = pymongo.MongoClient()
File "C:\Python33\lib\site-packages\pymongo\mongo_client.py", line 366, in __init__
raise ConnectionFailure(str(e))
pymongo.errors.ConnectionFailure: [WinError 10035] A non-blocking socket operation could not be completed immediately
我在Windows 8.1上使用Python 3.3。
谁能解释这种现象以及如何解决？谢谢!
最佳答案
看起来正在引发的异常与HTTPretty的猴子修补程序有关
套接字，只要我们在非HTTP请求中调用settimeout(0)，它就会在自己的套接字上调用sendall(请参见
real_sendall )。这
将套接字置于非阻塞模式。套接字上的超时永不重置
在real_sendall之后，因此后续对recv的调用失败，并带有WSAEWOULDBLOCK(错误号10035)。这可能是HTTPretty中的错误。
一种解决方法是在之后重置套接字上的超时real_sendall。这可以通过猴子修补fakesocket.socket来完成
在HTTPretty中:
from httpretty.core import fakesock
class MySocket(fakesock.socket):
def real_sendall(self, data, *args, **kw):
super(MySocket, self).real_sendall(data, *args, **kw)
# Restore non-zero timeout
self.truesock.settimeout(self.timeout)
fakesock.socket = MySocket
关于python - httpretty.enable()之后的MongoClient连接失败，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/24327277/