Updates:
Summary: `Process` library cannot be used via remote interface
Status: Accepted
Labels: -Priority-Medium Priority-High Target-2.8.2
Comment #1 on issue 1490 by robotframew...@gmail.com: `Process` library
cannot be used via remote interface
http://code.google.com/p/robotframework/issues/detail?id=1490
This is a bug in Process library, we simply didn't think about using it via
the remote interface.
The problem is that the return value from `Run Process` and `Wait For
Process` is an object with rc, stdout, and stderr as attributes (the latter
two are also lazily evaluated) and XML-RPC protocol used by the remote
interface does not support passing custom objects over the connection. Only
certain base types such as strings, integers, lists, and mappings are
allowed. The Python remote server, and I guess also other remote servers,
simply return a string representation of custom objects.
Unfortunately fixing this isn't exactly easy. The current plan we have is
the following:
1) Change the result object so that it behaves as a mapping to support
passing it over the connection. It would be more convenient to inherit from
collections.Mapping than dict, but unfortunately the remote server only
supports the latter and the former is not available in Python/Jython 2.5.
Changes to the remote server may be necessary.
An alternative solution is that we change the remote server so that it can
coerce custom objects into XML-RPC compatible objects. Objects could, for
example, have a special method that the server calls that ought to return a
safe object.
2) For convenience, enhance the Remote library so that it turns all dicts
it receives into custom "dot accessible dicts" that support accessing items
using `obj.item` in addition to `obj['item']`.
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