[web/test] str vs bytes

[web/ajax] fix AjaxController on python3

[web/test] str → bytes

[wsgi/test] use bytes instead of str for POST body

[devtools] 'dict_values' object does not support indexing

[multipart] decode form data before calling parse_qs in python 3 parse_qs eats and returns 'str' on both python versions.

[multipart] unicode → six.text_type

[web] assert that CubicWebPublisher.handle_request returns bytes

[py3k] fix validateform controller We need to return bytes not str.

[web] unicode → six.text_type

[multipart] make sure form keys are not bytes

[web] unicode → six.text_type

[wsgi] don't convert form values This is done earlier in multipart.py

[server] import input from six.moves

[server] don't convert user.login to bytes to generate sessionid

[cwctl] stop playing tricks with std{out,err} buffering Python3 doesn't allow unbuffered text I/O, because it doesn't make sense.

[py3k] CubicWebTC.app_handle_request returns bytes

[py3k] unicode → six.text_type

[py3k] http headers should be ascii-only unicode objects

[py3k] Clarify IDownloadable expected types

[py3k] IDownloadable.download_data() returns bytes

[py3k] unicode → six.text_type

[py3k] unicode → six.text_type

[py3k] unicode → six.text_type

[py3k] unicode → six.text_type

[py3k] PageInfo.source contains bytes

[py3k] unicode → six.text_type

[py3k] unicode → six.text_type

[py3k] Don't encode URLs Python 3's urllib works with unicode objects.

[tests] Stop counting pickle bytes in ResultSet tests Between python 2's pickle and cPickle implementations, the various protocol versions added in python 3, the length of the pickled string is completely unpredictable. Instead, do a simple round trip and test a few attributes.