[Python-Dev] Re: PEP 622: Structural Pattern Matching

On 2020-06-25 03:00, Greg Ewing wrote: On 25/06/20 7:50 pm, Anders Munch wrote: Pascal is a precedent for this placement of 'case', Yes, but it doesn't use it with "match". In fact it doesn't have any keyword in front of the values to be matched; it goes like    case n of   1: ...;  

[Python-Dev] Re: REPL output bug

On 2020-06-15 15:26, Ivan Pozdeev via Python-Dev wrote: On 12.06.2020 11:01, Rob Cliffe via Python-Dev wrote: If I run the following program (using Python 3.8.3 on a Windows 10 laptop): import sys, time for i in range(1,11):     sys.stdout.write('\r%d' % i)     time.sleep(1) As intended, it

[Python-Dev] Re: PEP 618: Add Optional Length-Checking To zip

I'd like to suggest "len_eq" as a short but (rather) self-explanatory option. On 5/20/20 3:16 PM, Gregory P. Smith wrote: On Wed, May 20, 2020 at 11:09 AM Jim J. Jewett > wrote: David Mertz wrote: > Fwiw, I don't think it changes my order, but 'strict'

[Python-Dev] Re: PoC: Subinterpreters 4x faster than sequential execution or threads on CPU-bound workaround

I'm seeing a drop in performance of both multiprocess and subinterpreter based runs in the 8-CPU case, where performance drops by about half despite having enough logical CPUs, while the other cases scale quite well. Is there some issue with python multiprocessing/subinterpreters on the same lo