def proxy_to_dest(self, request, dest):
"""Do the actual proxying, without applying any transformations"""
# We need to remove caching headers, since the upstream parts of Deliverance
# can't handle Not-Modified responses.
# Not using request.copy because I don't want to copy wsgi.input
request = Request(request.environ.copy())
request.remove_conditional_headers()
try:
proxy_req = self.construct_proxy_request(request, dest)
except TypeError:
return self.proxy_to_file(request, dest)
proxy_req.path_info += request.path_info
if proxy_req.query_string and request.query_string:
proxy_req.query_string = '%s&%s' % \
(proxy_req.query_string, request.query_string)
elif request.query_string:
proxy_req.query_string = request.query_string
proxy_req.accept_encoding = None
try:
resp = proxy_req.get_response(proxy_exact_request)
if resp.status_int == 500:
print 'Request:'
print proxy_req
print 'Response:'
print resp
except socket.error, e:
## FIXME: really wsgiproxy should handle this
## FIXME: which error?
## 502 HTTPBadGateway, 503 HTTPServiceUnavailable, 504 HTTPGatewayTimeout?
if isinstance(e.args, tuple) and len(e.args) > 1:
error = e.args[1]
else:
error = str(e)
resp = exc.HTTPServiceUnavailable(
'Could not proxy the request to %s:%s : %s'
% (proxy_req.server_name, proxy_req.server_port, error))
