我使用urllib2.build_opener()从相应的url下载图片。但是对于特定的网址,我收到错误消息。当我查看该网址时,我看到没有图像。我如何检查是否有图像?这是我的代码:正在下载图片
opener1 = urllib2.build_opener()
page1=opener1.open(orginal)
my_picture=page1.read()
我得到的错误是
File "suitcase.py", line 120, in <module>
get_suitcase()
File "suitcase.py", line 96, in get_suitcase
page1=opener1.open(orginal)
File "D:\Program Files\Python\lib\urllib2.py", line 395, in open
response = meth(req, response)
File "D:\Program Files\Python\lib\urllib2.py", line 508, in http_response
'http', request, response, code, msg, hdrs)
File "D:\Program Files\Python\lib\urllib2.py", line 433, in error
return self._call_chain(*args)
File "D:\Program Files\Python\lib\urllib2.py", line 367, in _call_chain
result = func(*args)
File "D:\Program Files\Python\lib\urllib2.py", line 516, in http_error_default
raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
urllib2.HTTPError: HTTP Error 404: Not Found
如何检查的图像是存在的,与储蓄的形象继续吗?
由于....当我与上面的代码测试它works..but这样文件“/usr/lib/python2.5/httplib所示新的错误.py“,第860行,在endheaders中self._send_output()文件”/usr/lib/python2.5/httplib.py“,第732行,在_send_output self.send(msg)文件中”/ usr/lib/python2。 5/httplib.py“,第699行,发送self.connect()文件”/usr/lib/python2.5/httplib.py“,第683行,在connect raise socket.error,msg IOError:[Errno socket error ](110,'连接超时')我尝试了wid Except IOError,但它不是固定的 – user244470 2010-02-22 10:34:05
你是否正在使用url lib2?因超时而可能会引发urllib2.URLError?我还补充说, – 2010-02-22 11:25:27