[Python-ideas] Block-Scoped Exception Handlers

[Greg Ewing]

Kyle Lahnakoski wrote:

> ________try:
> ____________if null_data[byte] >> bit & 1:
> ________________return Null
> ________except IndexError:
> ____________print(null_data)
> ____________print(index)
> ____________print(byte, bit)
> ____________print(len(self._data), self._data)
> ____________print(null_def)
> ____________print(null_data)
> ____________raise

Using a suitably-defined context manager, it should be
possible to write that something like this:

    with Activity("Getting a bit", lambda: (null_data, index,
          (byte, bit), (len(self._data), self._data), null_def, null_data):
       if null_data[byte] >> bit & 1:
          return Null

-- 
Greg