On 4/30/20 4:47 PM, raymond.hettin...@gmail.com wrote:
> Would either of the existing solutions work for you?
>
> class X:
> def __init__(self, name):
> self.name = name
>
> @cached_property
> def title(self):
> print("compute title once")
> return self.name.title()
On Thu, Apr 30, 2020 at 3:12 PM Raymond Hettinger
wrote:
> Thanks for the concrete example. AFAICT, it doesn't require (and probably
> shouldn't have) a lock to be held for the duration of the call. Would it be
> fair to say the 100% of your needs would be met if we just added this to the
> f
> On Apr 30, 2020, at 10:44 AM, Carl Meyer wrote:
>
> On Wed, Apr 29, 2020 at 9:36 PM Raymond Hettinger
> wrote:
>> Do you have some concrete examples we could look at? I'm having trouble
>> visualizing any real use cases and none have been presented so far.
>
> This pattern occurs not in
Would either of the existing solutions work for you?
class X:
def __init__(self, name):
self.name = name
@cached_property
def title(self):
print("compute title once")
return self.name.title()
@property
@lru_cache
def upper(self):
print("compute u
> On Apr 30, 2020, at 6:32 AM, Joao S. O. Bueno wrote:
>
> Of course this is meant to be something simple - so there are no "real
> world use cases" that are "wow, it could not have
> been done without it".
The proposed implementation does something risky, it hold holds a non-reentrant
lock a
On Wed, Apr 29, 2020 at 9:36 PM Raymond Hettinger
wrote:
> Do you have some concrete examples we could look at? I'm having trouble
> visualizing any real use cases and none have been presented so far.
This pattern occurs not infrequently in our Django server codebase at
Instagram. A typical ca
>
> Thanks for the replies. I will cook up some private API in my cpython
> fork. Whether or not my new vm ever sees the light of day, I think it
> would be worthwhile to consider a proper API (even a _PyEval macro or
> two) for the little dance the two subsystems do.
>
I committed a change to my
On Thu, 30 Apr 2020 at 00:37, Raymond Hettinger
wrote:
>
>
>
> > On Apr 29, 2020, at 4:20 PM, Antoine Pitrou wrote:
> >
> > On Wed, 29 Apr 2020 12:01:24 -0700
> > Raymond Hettinger wrote:
> >>
> Also, if you know of a real world use case, what solution is currently being
> used. I'm not sure w
