On 05/04/2021 06:25, Cameron Simpson wrote:
If you truly need to test msg() _without_ the file= parameter, you could
monkey patch module_2:
old_MSG_DESTINATION = module_2.MSG_DESTINATION
module_2.MSG_DESTINATION = sys.stderr
# now the module_2 module has an updated reference for
The return suspends the function execution so how is it that in below
example I got output:
def doit():
return 0
yield 0
print(doit())
--
https://mail.python.org/mailman/listinfo/python-list
On 2021-04-05 2:25 PM, Bischoop wrote:
The return suspends the function execution so how is it that in below
example I got output:
def doit():
return 0
yield 0
print(doit())
The 'yield' in the function makes the function a 'generator' function.
'Calling' a generator functio
On 05/04/2021 00:47, dn via Python-list wrote:
On 04/04/2021 01.00, Rob Cliffe via Python-list wrote:
On 03/04/2021 04:09, 2qdxy4rzwzuui...@potatochowder.com wrote:
On 2021-04-03 at 02:41:59 +0100,
Rob Cliffe via Python-list wrote:
x1 = 42; y1 = 3; z1 = 10
x2 = 41; y2 = 12;
On Tue, Apr 6, 2021 at 2:32 AM Rob Cliffe via Python-list
wrote:
>
>
>
> It doesn't appear to, at least not always. In Python 3.8.3:
> from dis import dis
> def f(): x = 1 ; y = 2
> def g(): (x,y) = (1,2)
> dis(f)
> dis(g)
>
> Output:
>2 0 LOAD_CONST 1 (1)
>
On 05/04/2021 17:52, Chris Angelico wrote:
On Tue, Apr 6, 2021 at 2:32 AM Rob Cliffe via Python-list
wrote:
It doesn't appear to, at least not always. In Python 3.8.3:
from dis import dis
def f(): x = 1 ; y = 2
def g(): (x,y) = (1,2)
dis(f)
dis(g)
Output:
2 0 LOAD_CONST
On 05/04/2021 17:52, Chris Angelico wrote:
I don't understand. What semantic difference could there be between
x = { 1: 2 } ; y = [3, 4] ; z = (5, 6)
and
x, y, z = { 1:2 }, [3, 4], (5, 6)
? Why is it not safe to convert the latter to the former?
But I withdraw "set" from my "
On Tue, Apr 6, 2021 at 3:26 AM Rob Cliffe via Python-list
wrote:
>
>
>
> On 05/04/2021 17:52, Chris Angelico wrote:
> > On Tue, Apr 6, 2021 at 2:32 AM Rob Cliffe via Python-list
> > wrote:
> >>
> >>
> >> It doesn't appear to, at least not always. In Python 3.8.3:
> >> from dis import dis
> >> de
On 4/5/2021 8:25 AM, Bischoop wrote:
The return suspends the function execution so how is it that in below
example I got output:
def doit():
return 0
yield 0
print(doit())
*Any* use of 'yield' in a function makes the function a generator
function. This is a simple rule that
Hello,
It seems that the os.open API cannot distinguish between a permission error
and the fact that a directory cannot be opened like files.
The following script reproduces the scenario (tested on Python 3.8.2
(tags/v3.8.2:7b3ab59, Feb 25 2020, 22:45:29) [MSC v.1916 32 bit (Intel)] on
win32) :
On Tue, Apr 6, 2021 at 3:46 AM Terry Reedy wrote:
> *While 'a and not a' == False in logic, in Python it might raise
> NameError. But that would still mean that it is never True, making
> 'yield 0' still unreachable.
>
And even just the lookup can have side effects, if your code is
pathologicall
On Tue, Apr 6, 2021 at 3:50 AM Rami Khaldi wrote:
>
> Hello,
>
> It seems that the os.open API cannot distinguish between a permission error
> and the fact that a directory cannot be opened like files.
> The following script reproduces the scenario (tested on Python 3.8.2
> (tags/v3.8.2:7b3ab59,
> It seems that the os.open API cannot distinguish between a permission error
> and the fact that a directory cannot be opened like files.
> The following script reproduces the scenario (tested on Python 3.8.2
> (tags/v3.8.2:7b3ab59, Feb 25 2020, 22:45:29) [MSC v.1916 32 bit (Intel)] on
> win32) :
On 4/5/2021 1:53 PM, Chris Angelico wrote:
On Tue, Apr 6, 2021 at 3:46 AM Terry Reedy wrote:
*While 'a and not a' == False in logic, in Python it might raise
NameError. But that would still mean that it is never True, making
'yield 0' still unreachable.
When I wrote that, I knew I might be m
On Tue, Apr 6, 2021 at 5:14 AM Terry Reedy wrote:
>
> On 4/5/2021 1:53 PM, Chris Angelico wrote:
> > On Tue, Apr 6, 2021 at 3:46 AM Terry Reedy wrote:
> >> *While 'a and not a' == False in logic, in Python it might raise
> >> NameError. But that would still mean that it is never True, making
> >
On 05/04/2021 18:33, Chris Angelico wrote:
Firstly, anything with any variable at all can involve a lookup, which
can trigger arbitrary code (so "variables which do not occur on the
LHS" is not sufficient).
Interesting. I was going to ask: How could you make a variable lookup
trigger arbitra
Hello,
> I've created a code to run a 2D mapping using matplotlib from a .csv
> file.
> I've tried to set the maximum color (red) of the scale as 80% of the maximum
> value and not as the maximum value of my .csv file.
> Does someone know how to modify that?
If I understand what you're trying t
On Tue, Apr 6, 2021 at 5:36 AM Rob Cliffe via Python-list
wrote:
>
>
>
> On 05/04/2021 18:33, Chris Angelico wrote:
> >
> > Firstly, anything with any variable at all can involve a lookup, which
> > can trigger arbitrary code (so "variables which do not occur on the
> > LHS" is not sufficient).
>
Le lundi 5 avril 2021 à 21:50:49 UTC+2, David Lowry-Duda a écrit :
Thank you for your response!
I just tried it but it doesn't make what I want.
Bassically, I would like to not put any color for every values above 0.8 times
the maximum value (ie. 488).
Hence, the ''maximum'' color (ie. red) woul
On 04/04/2021 20:57, Julien Hofmann wrote:
Hi everyone,
I've created a code to run a 2D mapping using matplotlib from a .csv file.
I've tried to set the maximum color (red) of the scale as 80% of the maximum
value and not as the maximum value of my .csv file.
Does someone know how to modify th
Terry: ... '__missing__' is new since I learned Python ...
With so many new dunder variables added, I am wondering when some dunderhead
comes up with:
__mifflin__
The documented use paper is:
https://theoffice.fandom.com/wiki/Dunder_Mifflin_Paper_Company
-Original Message
On 6/04/21 4:02 am, Terry Reedy wrote:
*Any* use of 'yield' in a function makes the function a generator
function. ... If there were a 'dead
(unreachable) code' exception, a reader or compiler would have to
analyze each use of 'yield' and decide whether it is reachable or not.
It would als
On Mon, Apr 5, 2021 at 10:46 AM Terry Reedy wrote:
> If there were a 'dead
> (unreachable) code' exception, a reader or compiler would have to
> analyze each use of 'yield' and decide whether it is reachable or not.
>
It's also subject to how hard the compiler feels like trying in any given
rele
On 4/5/2021 3:32 PM, Chris Angelico wrote:
On Tue, Apr 6, 2021 at 5:14 AM Terry Reedy wrote:
Python *could* do the same for expresssions: load 'a' (in this case)
once into a register or stack slot and use that value consistently
throughout the expression. Replacing the eval with the following
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