[IPython-dev] ipipe news

[Walter Dörwald]

Ville Vainio wrote:

> As it stands, ifilter can raise an exception and the user won't know
> what happened. It would at least be useful to know about the exception
> if the yielded sequence is empty (i.e. the filter never matched), it
> may well have been a programming error.

We could add an argument to the ifilter() constructor:
  ifilter(foo, errors="raise")
or
  ifilter(foo, errors="drop")
or
  ifilter(foo, errors="keep")
or
  ifilter(foo, errors="keeperror")

Servus,
   Walter