Support Google App Engine -- POST requests

[swinton]

I'm unable to re-open issue #61 for some reason, so reporting this separately.

It doesn't appear to work with POST requests:

import webapp2
import urllib3

class MainPage(webapp2.RequestHandler):
  def get(self):
      http = urllib3.PoolManager()
      r = http.request('GET', 'http://google.com/')
      r2 = http.request('GET', 'http://yahoo.com/')
      r3 = http.request('POST', 'http://www.example.com/')
      r4 = http.request('POST', 'http://www.example.com/', fields={"foo":"bar"})
      self.response.headers['Content-Type'] = 'text/plain'
      self.response.out.write(r.status)
      self.response.out.write(r2.status)
      self.response.out.write(r3.status)

app = webapp2.WSGIApplication([('/', MainPage)],
                              debug=True)

Traceback:

The API package 'remote_socket' or call 'Resolve()' was not found.
Traceback (most recent call last):
  File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1511, in __call__
    rv = self.handle_exception(request, response, e)
  File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1505, in __call__
    rv = self.router.dispatch(request, response)
  File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1253, in default_dispatcher
    return route.handler_adapter(request, response)
  File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1077, in __call__
    return handler.dispatch()
  File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 547, in dispatch
    return self.handle_exception(e, self.app.debug)
  File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 545, in dispatch
    return method(*args, **kwargs)
  File "/base/data/home/apps/s~megachunt/1.358837729334117339/urllib3_test.py", line 9, in get
    r3 = http.request('POST', 'http://www.example.com/')
  File "/base/data/home/apps/s~megachunt/1.358837729334117339/urllib3/request.py", line 71, in request
    **urlopen_kw)
  File "/base/data/home/apps/s~megachunt/1.358837729334117339/urllib3/request.py", line 119, in request_encode_body
    boundary=multipart_boundary)
  File "/base/data/home/apps/s~megachunt/1.358837729334117339/urllib3/filepost.py", line 57, in encode_multipart_formdata
    boundary = choose_boundary()
  File "/base/python27_runtime/python27_dist/lib/python2.7/mimetools.py", line 140, in choose_boundary
    hostid = socket.gethostbyname(socket.gethostname())
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/remote_socket/_remote_socket.py", line 299, in gethostbyname
    return _Resolve(host, [AF_INET])[2][0]
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/remote_socket/_remote_socket.py", line 251, in _Resolve
    canon, aliases, addresses = _ResolveName(name, families)
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/remote_socket/_remote_socket.py", line 269, in _ResolveName
    apiproxy_stub_map.MakeSyncCall('remote_socket', 'Resolve', request, reply)
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py", line 94, in MakeSyncCall
    return stubmap.MakeSyncCall(service, call, request, response)
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py", line 308, in MakeSyncCall
    rpc.CheckSuccess()
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/apiproxy_rpc.py", line 133, in CheckSuccess
    raise self.exception
CallNotFoundError: The API package 'remote_socket' or call 'Resolve()' was not found.

[shazow]

Ha, interesting, looks like AppEngine's mimetools.choose_boundary is broken. I'll take a look this weekend. :) Thanks for the report!

[shazow]

Related: http://stackoverflow.com/questions/5249970/does-mimetools-py-module-working-on-google-app-engine

[shazow]

@swinton Can you verify that it works now?

[swinton]

Yep, it's working now. Thanks for the quick turnaround :)

[swinton]

Yep, it's working now. Thanks for the quick turnaround :)

[hbmartin]

I'm still running into this problem on the latest version of GAE:

 File "/base/python27_runtime/python27_dist/lib/python2.7/mimetools.py", line 140, in choose_boundary
    hostid = socket.gethostbyname(socket.gethostname())
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/remote_socket/_remote_socket.py", line 299, in gethostbyname
    return _Resolve(host, [AF_INET])[2][0]
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/remote_socket/_remote_socket.py", line 251, in _Resolve
    canon, aliases, addresses = _ResolveName(name, families)
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/remote_socket/_remote_socket.py", line 269, in _ResolveName
    apiproxy_stub_map.MakeSyncCall('remote_socket', 'Resolve', request, reply)
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py", line 94, in MakeSyncCall
    return stubmap.MakeSyncCall(service, call, request, response)
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py", line 320, in MakeSyncCall
    rpc.CheckSuccess()
  File "/base/python27_runtime/python27_lib/versions/1/google/appengine/api/apiproxy_rpc.py", line 133, in CheckSuccess
    raise self.exception
CallNotFoundError: The API package 'remote_socket' or call 'Resolve()' was not found.

[shazow]

Hi @hbmartin, what version of urllib3 are you using?

The last couple of versions shouldn't be using mimetools (since v1.4), so this bug shouldn't exist.