import logging
from grab import Grab
from grab.spider import Spider, Task
from urllib import quote
import re
grabGoogle = Grab()
grabGoogle.setup(log_dir = 'c:\logdir')
grabGoogle.setup(proxy='210.101.131.231:8080', proxy_type='http', connect_timeout=5, timeout=5)
grabGoogle.go('https://google.com')

Traceback (most recent call last):
  File "C:\Documents and Settings\Admin\workspace\test\1.py", line 10, in <module>
    grabGoogle.go('https://google.com')
  File "C:\Python27\lib\site-packages\grab-0.4.13-py2.7.egg\grab\base.py", line 356, in go
    return self.request(url=url, **kwargs)
  File "C:\Python27\lib\site-packages\grab-0.4.13-py2.7.egg\grab\base.py", line 433, in request
    self.transport.request()
  File "C:\Python27\lib\site-packages\grab-0.4.13-py2.7.egg\grab\transport\curl.py", line 389, in request
    raise error.GrabNetworkError(ex.args[0], ex.args[1])
grab.error.GrabNetworkError: [Errno 56] Received HTTP code 403 from proxy after CONNECT