traits

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Add error handling for async observers

1

For normal (synchronous) Traits observers, if an exception occurs then we execute Traits's exception handler, which by default simply logs the exception. The relevant code (or at least part of...

mdickinson

Set up scriv for changelog management

2

Let's use `scriv` for changelog management. This is very similar to the setup that we have in TraitsUI and apptools, except that it seems better to use `scriv` than grow...

mdickinson

This PR exports observer event types (`TraitChangeEvent`, `ListChangeEvent`, `DictChangeEvent`, `SetChangeEvent`) in `traits.observation.api`, so that they can be easily used in type hints in client code. The event types are already...

mdickinson

It would be useful to have a `CONTRIBUTING` file giving contributing guidelines. This would also be a useful place to record information about development workflows, style expectations, changelog management, etc....

mdickinson

Export TraitChangeEvent in traits.api

1

For those wanting to add type hints to code using Traits, the types of events received by `observe` handlers should be accessible through `traits.api`.

mdickinson