Paul,
Thanks for the patch. Since numpoints <= 0 is an error, plain and
simple, I committed a change (svn 4937) so that it will raise a more
informative exception. I don't think that trying to correct the error
and raising a warning is a good strategy in this case.
Eric
[EMAIL PROTECTED] wrote:
> Included is a patch to change the behavior when legend() is called with
> numpoints less than or equal to 0. Currently if one makes such a call, some
> cryptic error messages are printed out and the plot is not generated.
>
> The included patch produces a warning, and defaults to using numpoints = 4,
> so the plot is actually made.
>
> Paul Novak
>
> ---
> --- legend.py 2008-02-01 19:14:24.000000000 -0600
> +++ legend.py 2008-02-01 19:13:55.000000000 -0600
> @@ -166,6 +166,12 @@
>
> self._loc = loc
>
> + if self.numpoints <= 0:
> + warnings.warn('legend() called with numpoints = %d. '
> + 'Default to numpoints = 4 because numpoints must
> be greater than zero.' \
> + % (self.numpoints))
> + self.numpoints = 4
> +
> self.legendPatch = Rectangle(
> xy=(0.0, 0.0), width=0.5, height=0.5,
> facecolor='w', edgecolor='k',
>
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