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Diffstat (limited to 'docs/narr/webob.rst')
| -rw-r--r-- | docs/narr/webob.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/narr/webob.rst b/docs/narr/webob.rst index 6a331e4bf..0eb070b06 100644 --- a/docs/narr/webob.rst +++ b/docs/narr/webob.rst @@ -310,6 +310,14 @@ Python's ``urllib2`` instead of a Javascript AJAX request: req = urllib2.Request('http://localhost:6543/', json_payload, headers) resp = urllib2.urlopen(req) +If you are doing Cross-origin resource sharing (CORS), then the standard +requires the browser to do a pre-flight HTTP OPTIONS request. The easiest way +to handling this is adding an extra ``view_config`` for the same route, with +``request_method`` set to ``OPTIONS``, and setting the desired response header +before returning. You can find examples of response headers here_. + +.. _here: https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS#Preflighted_requests + .. index:: single: cleaning up after request |