Python 如何使用urllib捕获超时错误
我正在努力尝试,除了python 3 我可以捕获HTTPErrorBad请求和URLErrorno主机/路由名称 但是,我还不能捕获超时错误Python 如何使用urllib捕获超时错误,python,python-3.x,Python,Python 3.x,我正在努力尝试,除了python 3 我可以捕获HTTPErrorBad请求和URLErrorno主机/路由名称 但是,我还不能捕获超时错误 while True: try: f = urllib.request.urlretrieve(url,csvname) except urllib.error.HTTPError as e: # print(str(chl) + " Error:" + str(e))
while True:
try:
f = urllib.request.urlretrieve(url,csvname)
except urllib.error.HTTPError as e: #
print(str(chl) + " Error:" + str(e))
continue
except urllib.error.URLError as e:
continue
except socket.timeout as e:
#I can't catch time out error here
continue
它返回这个
如何防止脚本因超时错误而停止
Traceback (most recent call last):
File "wisdom2.py", line 84, in <module>
f = urllib.request.urlretrieve(url,csvname)
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/urllib/request.py", line 186, in urlretrieve
with contextlib.closing(urlopen(url, data)) as fp:
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/urllib/request.py", line 161, in urlopen
return opener.open(url, data, timeout)
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/urllib/request.py", line 464, in open
response = self._open(req, data)
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/urllib/request.py", line 482, in _open
'_open', req)
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/urllib/request.py", line 442, in _call_chain
result = func(*args)
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/urllib/request.py", line 1211, in http_open
return self.do_open(http.client.HTTPConnection, req)
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/urllib/request.py", line 1186, in do_open
r = h.getresponse()
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/http/client.py", line 1227, in getresponse
response.begin()
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/http/client.py", line 386, in begin
version, status, reason = self._read_status()
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/http/client.py", line 348, in _read_status
line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
File "/Users/whitebear/.pyenv/versions/3.4.6/lib/python3.4/socket.py", line 378, in readinto
return self._sock.recv_into(b)
TimeoutError: [Errno 60] Operation timed out
except socket.timeout as e:
NameError: name 'socket' is not defined
在使用套接字之前,需要导入它:
from urllib import socket
或者指定您正在谈论的套接字来自urllib,即:
except urllib.socket.timeout as e:
在使用套接字之前,需要导入它:
from urllib import socket
或者指定您正在谈论的套接字来自urllib,即:
except urllib.socket.timeout as e:
在Python3.x上,TimeoutError是一个内置的异常类。你可以用手抓住它
except TimeoutError:
...
在Python2.x上,有两个选项:
捕获urllib.socket.timeout异常
捕获异常
在Python3.x上,TimeoutError是一个内置的异常类。你可以用手抓住它
except TimeoutError:
...
在Python2.x上,有两个选项:
捕获urllib.socket.timeout异常
捕获异常
ImportError:无法导入名称“socket”,我尝试了上一个,但遇到了此错误。您是否尝试从此处运行代码:可能他们在python 3中更改了它,但注释表明您不需要套接字,URLerror捕获了这两个。ImportError:无法导入名称“socket”,我尝试了上面的一个,但遇到了此错误。您是否尝试从此处运行代码:可能他们在python 3中对其进行了更改,但注释表明您不需要套接字,URLerror捕获了这两个名称。