On Wednesday 08 April 2009, Martin Aspeli wrote:
> What I'd like to see:
> 1) z3c.form catches the LookupError and treats it as a valdiation
> error (even on first render of the form), not a fatal error
> 2) z3c.form defaults to missing_value if there is a LookupError
> against what the data manager returns. The value is indeed "missing in
> 3) If possible, we output the offending value in the error message
> 4) In use cases where it makes sense, people can use a field property
> implementation that checks the source and returns the default (or
> something else) if the value can't be found. That's not for z3c.form
> to decide or depend on though.
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