[SciPy-dev] scipy.stats._chk_asarray

[Ryan May]

On Wed, Jun 3, 2009 at 2:33 AM, Pauli Virtanen <pav@iki.fi> wrote:

> Wed, 03 Jun 2009 02:17:56 -0400, Pierre GM kirjoitti:
> [clip]
> > def keepthetype(func):
> >      def wrapped(*args, **kwargs):
> >          first = args[0]
> >          if isinstance(first, np.ndarray):
> >              output_type = type(first)
> >          else:
> >              output_type = np.ndarray
> >          output = func(*args, **kwargs)
> >          if isinstance(output, np.ndarray):
> >              return output.view(output_type)
> >          return output
> >      wrapped.__name__ = func.__name__
> >      wrapped.__dict__ = func.__dict__
> >      wrapped.__doc__ = func.__doc__
> >      return wrapped
>
> This is not enough to preserve the function signature, which is quite
> annoying from the help-POV. It's probably best to take a look at the
> decorator.py:
>
> http://pypi.python.org/pypi/decorator/3.0.1
>
>
There's functools.update_wrapper and functools.wraps in the standard
library.  Would those be enough?  (The docs make it seem simple enough.)

Ryan

-- 
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma
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