Christoph Groth added the comment:
> What concrete action would you propose that the Python core devs take at this
> point?
Nothing for now.
I stumbled across this issue through
https://gitlab.kwant-project.org/kwant/tinyarray/-/issues/20 and had the
impression that the aspect
Christoph Groth added the comment:
Hello. I would like to point out a possible problem that this change to
CPython has introduced.
This change looks innocent, but it breaks the unwritten rule that the hash
value of a number (or actually any built-in immutable type!) in Python depends
only
Christoph Groth <christ...@grothesque.org> added the comment:
Unfortunately I do not feel competent enough to submit a documentation patch
because I still do not understand why ModuleNotFoundError was added.
I don't want to bother you further with this. Thank you all for your prompt
r
Christoph Groth <christ...@grothesque.org> added the comment:
Thank you, Chris, for your reply. If this is indeed the main use case of
ModuleNotFoundError, I respectfully suggest to document it better. The way
things are now, Python users who switch to 3.6 encounter this new exc
Christoph Groth <christ...@grothesque.org> added the comment:
In the above, please replace "understand the decision" by "understand the
usefulness of it".
In the above discussion, as an alternative to a new exception, it was proposed
to add an attribu
Christoph Groth <christ...@grothesque.org> added the comment:
My curiosity was piqued when I saw ModuleNotFoundError, so I decided to look it
up. This led me to this page and I read the complete discussion. I still did
not understand the decision, so I allowed myself to ask, also bec
Christoph Groth <christ...@grothesque.org> added the comment:
> Read Eric's message before mine.
Of course I read it, I wouldn't have asked otherwise. Eric mentions an older
message ("see msg182332") that *predates* your judgment that "outside importlib
t
Christoph Groth <christ...@grothesque.org> added the comment:
I'm trying to understand why ModuleNotFoundError was added to 3.6. The "what's
new" entry links to this page.
Looking at the discussion, Guido said in 2013: "Right. Outside importlib there
shouldn't be
Dear python experts,
I use a huge python dictionary where the values are lists of that
dictionary's keys (yes, a graph). Each key is thus referenced several
times.
As the keys are rather large objects, I would like to save memory by
re-using key objects wherever possible, instead of having
Chris Rebert c...@rebertia.com writes:
On Sun, May 15, 2011 at 1:28 AM, Christoph Groth c...@falma.de wrote:
I use a huge python dictionary where the values are lists of that
dictionary's keys (yes, a graph). Each key is thus referenced
several times.
As the keys are rather large objects
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info writes:
On Sun, 15 May 2011 11:11:41 +0200, Christoph Groth wrote:
I would like to avoid having _multiple_ objects which are equal (a ==
b) but not the same (a is not b). This would save a lot of memory.
Based on the idea of interning
Dear all,
sometimes it is handy to have a function which can take as argument
anything which can be converted into something, e.g.
def foo(arg):
arg = float(arg)
# ...
I would like to mimic this behavior of float for a user-defined type,
e.g.
def bar(arg):
arg = My_type(arg)
#
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid writes:
It seems to me that in this way I might get problems when I pass an
instance of Derived_from_my_type to bar, as it will become an
instance of My_type.
The instance you pass to bar won't become anything else. You create
a
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid writes:
Anyway: the simplest solution here is to replace the call to your Base
class with a call to a factory function. I'd probably go for something
like (QD untested code and other usual warnings) :
(...)
Yeah, that will do
Steven D'Aprano st...@remove-this-cybersource.com.au writes:
On Fri, 18 Jun 2010 16:30:00 +0200, Christoph Groth wrote:
If other is of type Base already, just pass it on. Otherwise,
construct an instance of Base from
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