Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium Target-2.8.4
New issue 1606 by pekka.klarck: Remote interface does not support binary
data
http://code.google.com/p/robotframework/issues/detail?id=1606
It is not possible to have bytes 0-31 except 9 (\t), 10 (\n) and 13 (\n) in
XML and thus they cannot be send over XML-RPC connection either. XML-RPC
handles this by supporting base64 encoded binary data, and the standard
Python XML-RPC implementation has Binary class [1] that handles base64
encoding and decoding automatically.
[1] http://docs.python.org/2/library/xmlrpclib.html#binary-objects
This issue covers following steps to enable support for binary data in the
Remote interface:
1) Change Remote library so that it:
a) sends Binary objects if bytes that cannot be sent over XML-RPC are
present in arguments passed to keywords, and
b) converts Binary objects returned or logged by keywords to bytes before
forwarding them to Robot.
2) Change robotremoteserver.py so that it:
a) converts possible Binary arguments it receives to bytes, and
b) converts problematic bytes to Binary before sending them to Remote.
3) Document the change in User Guide so that other remote server
implementations can be updated accordingly.
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There are also Unicode characters, for example U+FFFE and U+FFFF, that
cannot be represented in XML nor sent over XML-RPC. The fix proposed in
this issue does not, and cannot, solve that issue. We can try to fix it
later if there is a good use case for using such values. Until that,
problematic Unicode strings can be first encoded to UTF-8 and then decoded
on the other end.
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