Python urllib2无法正确获取XML
我在googleappengine中有一个python应用程序，当我尝试获取XML提要时，除了在AppEngineLauncher中的日志控制台中，什么都没有发生，我得到了Python urllib2无法正确获取XML,python,xml,google-app-engine,Python,Xml,Google App Engine,我在googleappengine中有一个python应用程序，当我尝试获取XML提要时，除了在AppEngineLauncher中的日志控制台中，什么都没有发生，我得到了 WARNING 2013-03-21 23:37:39,482 urlfetch_stub.py:453] Stripped prohibited headers from URLFetch request: ['Host'] 这是我的密码： class FindStops(webapp2.RequestHandler)
WARNING 2013-03-21 23:37:39,482 urlfetch_stub.py:453] Stripped prohibited headers from URLFetch request: ['Host']
class FindStops(webapp2.RequestHandler):
def post(self):
bound=self.request.POST["bound"]
line=self.request.POST["stop"]
stops=urllib2.urlopen("http://webservices.nextbus.com/service/publicXMLFeed?command=routeConfig&a=sf-muni&r=" + line)
tree=ET.parse(stops)
root=tree.getroot()
title=list()
for info in tree.findall('stop'):
title.append(info.get('title'))
for name in title:
self.response.out.write(name)
<body copyright="All data copyright San Francisco Muni 2013.">
<route tag="F" title="F-Market & Wharves" color="555555" oppositeColor="ffffff" latMin="37.7625199" latMax="37.8085899" lonMin="-122.43487" lonMax="-122.39345">
<stop tag="5184" title="Jones St & Beach St" lat="37.8072499" lon="-122.41737" stopId="15184"/>
<stop tag="3092" title="Beach St & Mason St" lat="37.80741" lon="-122.4141199" stopId="13092"/>
<stop tag="3095" title="Beach St & Stockton St" lat="37.8078399" lon="-122.41081" stopId="13095"/>
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我很确定我正确地解析了XML，但是self.response.out.write没有打印任何内容，因此我在这里不知所措。我绝对建议添加：
logging.info( 'stops: ' + stops.read(100) )
urllib2.urlopen（）