On 8/24/2012 12:01 PM, Steven D'Aprano wrote:
That's not a use-case. A use-case is a real-world problem that you
are trying to solve. You have skipped the problem and jumped straight
to what you think is the solution: "create a subclass which can't be
instantiated directly".
I can't imagine any
Is it possible to create a subclass of a superclass that doesn't have an
__init__ and is only created through another class. Here is an example
of what isn't working:
class Spam(object):
def __new__(cls, *args):
return super(Spam, cls).__new__(cls, args)
def __init__(self):
On 8/14/2012 5:28 AM, eryksun wrote:
On Tue, Aug 14, 2012 at 6:01 AM, eryksun wrote:
Right, I overlooked classes with __slots__ and that override __new__
and other special methods. copy() is the better and more customizable
solution.
If copying is good enough, then this should work:
from co
On 5/4/2011 10:30 AM, Patrick P. wrote:
Hello,
I hope this is the right way to ask my question, if not, sorry to bother
you. Maybe you can tell me who to ask.
Ok so here is my code
[snip]
A = np.array([[m111,m121], [m211,m221]])
B = np.array([[m112,m122], [m212,m222]])
print(np.dot(A,B))
Trac
Hi all,
I've been working on creating 2D bounding box (envelope) classes to
describe spatial data. Variations of these are available in other
spatial libraries (e.g. Shapely), although I haven't found envelopes
specific to raster data that also specifies cell size. Could be I just
haven't fo
On 12/18/2010 2:06 AM, Peter Otten wrote:
I don't think /how/ you are trying it is stupid though I'm not so sure about
/what/ .
Thank you all for very helpful suggestions. It took me a while to chew
on this before I could respond. I learned a lot about descriptors and
their interactions wit