Hi,
In my testing, it seems like setting a default deadline for urlfetch
is not working in production. I have replicated the behavior that I'm
seeing in the barest form below. Essentially, I'm trying to do a GET
request for a URL that hangs for six seconds before returning. With
the default time out of 5 on urlfetch, this times out. So, I'm trying
to use a pre-call hook to extend the default timeout to 10 seconds.
On dev_appserver, this code works perfectly. The timeout set in the
pre-call hook is respected. However, in production, the default time
out is never observed. As a result, the TestFetch handler times out.
I'm logging the pre-call hook, so I know that the hook is being
installed and used. It seems like set_deadline is just not being
observed.
I will leave up the hanging request, so that anybody can replicate the
behavior I'm seeing. Does anyone know what might be going on?
#BELOW IS main.py IN ITS BAREST FORM
import logging
from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.api import urlfetch
from google.appengine.api import apiproxy_stub_map
def urlfetch_timeout_hook(service, call, request, response):
if call != 'Fetch':
return
# Make the default deadline 10 seconds instead of 5.
if not request.has_deadline():
request.set_deadline(10.0)
logging.info("HAS DEADLINE: %s" % str(request.has_deadline()))
apiproxy_stub_map.apiproxy.GetPreCallHooks().Append('urlfetch_timeout_hook',
urlfetch_timeout_hook, 'urlfetch')
class TestFetch(webapp.RequestHandler):
def get(self):
host='http://184.72.254.178:7071'
urlfetch.fetch(host+'/proxy')
return
def main():
handlers = [
(r"/test1", TestFetch),
]
application = webapp.WSGIApplication(handlers,debug=True)
logging.getLogger().setLevel(logging.DEBUG)
run_wsgi_app(application)
if __name__ == "__main__":
main()
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