Help cleaning up some code

[Paul Rubin]

"andrew cooke" <andrew at acooke.org> writes:
> def copy(src, dst, name, quote_none=False):
>   value = src[name]
>   dst[name] = 'None' if quote_none and value is None else value

def copy(src, dst, name, default=None):
  value = src[name]
  dst[name] = value if value is not None else default

>     copy(row, ad, name, quote_none=True)

  copy(row, ad, name, default='None')