Re: Can one output something other than 'nan' for not a number values?

On 2024-02-17, Cameron Simpson via Python-list wrote: > On 16Feb2024 22:12, Chris Green wrote: >>I'm looking for a simple way to make NaN values output as something >>like '-' or even just a space instead of the string 'nan'. [...] >> >>

Can one output something other than 'nan' for not a number values?

[Posts via slrn and my GMail account aren't showing up, so I guess I'll try subscribing from a different e-mail address.] On 2024-02-17, Cameron Simpson via Python-list wrote: On 16Feb2024 22:12, Chris Green wrote: I'm looking for a simple way to make NaN values output as

Can one output something other than 'nan' for not a number values?

[I've been trying all afternoon to post via slrn, but nothing is showing up on the list. Forgive me if multiple posts eventually show up.] On 2024-02-17, Cameron Simpson via Python-list wrote: > On 16Feb2024 22:12, Chris Green wrote: >>I'm looking for a simple way to make N

Re: Can one output something other than 'nan' for not a number values?

On 2024-02-16, Chris Green wrote: > I'm looking for a simple way to make NaN values output as something > like '-' or even just a space instead of the string 'nan'. I tried monkey-patching the __format__ method of float, but it's immutable, so that didnt' work. Is float.__format__ what's used b

Testing (sorry)

Today I noticed that nothing I've posted to python-list in past 3 weeks has shown up on the list. I don't know how to troubleshoot this other than sending test messages. Obviously, if this shows up on the list, then I've gotten it to work... -- Grant -- https://mail.python.org/mailman/listinfo/

Testing - 2 (sorry)

Today I noticed that nothing I've posted to python-list in past 3 weeks has shown up on the list. I don't know how to troubleshoot this other than sending test messages. Obviously, if this shows up on the list, then I've gotten it to work... -- Grant -- https://mail.python.org/mailman/listinfo/

Testing (sorry)

Today I noticed that nothing I've posted to python-list in past 3 weeks has shown up on the list. I don't know how to troubleshoot this other than sending test messages. Obviously, if this shows up on the list, then I'm making progress. [message 4] -- Grant -- https://mail.python.org/mailman/l

Testing (sorry)

Today I noticed that nothing I've posted to python-list in the past 3 weeks has shown up on the list. I don't know how to troubleshoot this other than by sending test messages. Obviously, if this shows up on the list, then I'm making progress... [message 3] -- Grant -- https://mail.python.org/ma

Python Stampede Time? – Feb. 18, 2024

"Science Researcher" wrote in message news:[email protected]... PROPOSED PYTHON COMPUTER LANGUAGE PROGRAM - Posted on February 17, 2024 PYTHON STAMPEDE TIME ? – Posted on February 18, 2024 Before discussing this specific topic in detail I am going to mentio

Proposed Python Computer Program - Feb. 17, 2024

PROPOSED PYTHON COMPUTER LANGUAGE PROGRAM - Posted on February 17, 2024 TOPICS Some Background Information Test Post Newsgroups Adding Posting Dates To Newsgroup Notes E-mail Address Other Internet Security Steps Personal Opinion Statements SOME BACKGROUND INFORMATION A fair amount of

Re: Can one output something other than 'nan' for not a number values?

On 16/02/2024 23.12, Chris Green wrote: I'm looking for a simple way to make NaN values output as something like '-' or even just a space instead of the string 'nan'. This would then make it much easier to handle outputting values from sensors when not all sensors are present. So, for example,

Re: test-ignore

"Lawrence D'Oliveiro" wrote in message news:[email protected]... On Sat, 17 Feb 2024 17:00:59 -0600, Science Researcher wrote: "Lawrence D'Oliveiro" wrote in message news:[email protected]... If I remember correctly, I had to get the installation program

Matplotlib warning [error?] message

The latest[?] version of Matplotlib cannot show a figure. I get the annoying error message: "Matplotlib is currently using agg, which is a non-GUI backend, so cannot show the figure" I'm using Spyder python 3.11 on Windows 11. What to do? -- Leif Svalgaard [email protected] -- https://mail.python.or

Re: Can one output something other than 'nan' for not a number values?

On Mon, 19 Feb 2024 at 06:47, Grant Edwards via Python-list wrote: > I would be tempted to try monkey-patching the float class to override > the __format__ method. I have no idea what side effects that might > have, or if it's even used by the various formatting mechanisms, so >

Re: Testing (sorry)

We see you Peter AK On Sun, Feb 18, 2024 at 2:41 PM Peter J. Holzer via Python-list < [email protected]> wrote: > [Replying to the list *and* Grant] > > On 2024-02-17 19:38:04 -0500, Grant Edwards via Python-list wrote: > > Today I noticed that nothing I've poste

Re: Testing (sorry)

On 2024-02-18, Peter J. Holzer via Python-list wrote: > [Replying to the list *and* Grant] > > On 2024-02-17 19:38:04 -0500, Grant Edwards via Python-list wrote: >> Today I noticed that nothing I've posted to python-list in past 3 >> weeks has shown up on the list. >

Re: Testing (sorry)

I can't explain the delays, but will note that the gate-news program on the server runs every 5 minutes via cron. There are multiple moving parts in the overall system. You'll probably get a more useful answer from [email protected]. Skip -- https://mail.python.org/mailman/listinfo/python-lis

Re: Testing (sorry)

On 2/18/2024 6:09 PM, Grant Edwards via Python-list wrote: On 2024-02-18, Peter J. Holzer via Python-list wrote: [Replying to the list *and* Grant] On 2024-02-17 19:38:04 -0500, Grant Edwards via Python-list wrote: Today I noticed that nothing I've posted to python-list in past 3 week

Re: Matplotlib warning [error?] message

On Sunday, February 18, 2024 at 10:48:29 PM UTC+3, Leif Svalgaard wrote: > The latest[?] version of Matplotlib cannot show a figure. I get the > annoying error message: "Matplotlib is currently using agg, which is a > non-GUI backend, so cannot show the figure" > I'm using Spyder python 3.11 on

Re: Testing (sorry)

Hellow Grant, On Sat, 2024-02-17 at 18:54 -0600, Grant Edwards via Python-list wrote: > > Today I noticed that nothing I've posted to python-list in past 3 > weeks has shown up on the list. I don't know how to troubleshoot this > other than sending test messages.  Obviousl

Re: Can one output something other than 'nan' for not a number values?

dn wrote: > On 18/02/24 09:53, Grant Edwards via Python-list wrote: > > On 2024-02-17, Cameron Simpson via Python-list > > wrote: > >> On 16Feb2024 22:12, Chris Green wrote: > >>> I'm looking for a simple way to make NaN values output as something >

Re: Can one output something other than 'nan' for not a number values?

Grant Edwards wrote: > On 2024-02-16, Chris Green via Python-list wrote: > > > I'm looking for a simple way to make NaN values output as something > > like '-' or even just a space instead of the string 'nan'. > > It would probably help if yo

Re: Testing (sorry)

On 2024-02-19, Thomas Passin wrote: >> About 24 hours later, all of my posts (and the confirmation e-mails) >> all showed up in a burst at the same time on two different unrelated >> e-mail accounts. >> >> I still have no clue what was going on... > > Sometimes a post of mine will not show up fo

Re: Testing (sorry)

On 2/19/2024 9:17 AM, Grant Edwards via Python-list wrote: On 2024-02-19, Thomas Passin wrote: About 24 hours later, all of my posts (and the confirmation e-mails) all showed up in a burst at the same time on two different unrelated e-mail accounts. I still have no clue what was going on

Re: Testing (sorry)

> > Here is a typical bounce message that I get: > > : host mail.python.org[188.166.95.178] said: > 450-4.3.2 > Service currently unavailable 450 4.3.2 > > Some time after I get one of these messages I re-send the post. Usually > it gets through then. > Looks kinda like greylisting to me. I'

Re: Can one output something other than 'nan' for not a number values?

On 2024-02-19, Chris Green via Python-list wrote: > It's using f'{...}' at the moment. Here's a demonstration of how to hook custom code into the f-string formatting engine. It's brilliantly depraved. https://stackoverflow.com/questions/55876683/hook-into-the-bu

Matplotlib warning [error?] message

now I get: File e:\getmodpot.py:40 fig,ax = initPlot() File E:\mystuff.py:272 in initPlot fig,ax = plt.subplots(figsize=(xs,ys)) File ~\anaconda3\Lib\site-packages\matplotlib\pyplot.py:1501 in subplots fig = figure(**fig_kw) File ~\anaconda3\Lib\site-packages\matplotlib\_api\d

Re: Testing (sorry)

On 2/19/2024 11:55 AM, Skip Montanaro wrote: Here is a typical bounce message that I get: mailto:[email protected]>>: host mail.python.org [188.166.95.178] said: 450-4.3.2      Service currently unavailable 450 4.3.2 Some time after I get on

Problem resizing a window and button placement

Python, Tkinter: How do I determine if a window has been resized? I want to locate buttons vertically along the right border and need to know the new width. The buttons are to move with the change of location of the right-side border. SGA -- https://mail.python.org/mailman/listinfo/p

RE: Problem resizing a window and button placement

How do I extract the values from args? SGA -Original Message- From: Python-list On Behalf Of MRAB via Python-list Sent: Friday, February 23, 2024 9:27 PM To: [email protected] Subject: Re: Problem resizing a window and button placement On 2024-02-24 01:14, Steve GS via Python-list

RE: Problem resizing a window and button placement

Cc: MRAB ; [email protected] Subject: Re: Problem resizing a window and button placement > On 24 Feb 2024, at 04:36, Steve GS via Python-list wrote: > > How do I extract the values > from args? You can look up the args in documentation. You can run the example code MRAB prov

Re: Problem resizing a window and button placement

On 2/24/2024 3:20 AM, Steve GS via Python-list wrote: Yes, I ran that elegantly simple code. The print statement reports the X, Y, Height and Width values. However, I do not see how to capture the width value. I experimented with the code Vwidth = rootV.winfo_width() and it also reports the

Re: Problem resizing a window and button placement

On 2024-02-24, MRAB via Python-list wrote: > On 2024-02-24 01:14, Steve GS via Python-list wrote: > >> Python, Tkinter: How do I determine if a window has been resized? I >> want to locate buttons vertically along the right border and need >> to know the new width. The

RE: Problem resizing a window and button placement

as Passin via Python-list Sent: Saturday, February 24, 2024 8:40 AM To: [email protected] Subject: Re: Problem resizing a window and button placement On 2/24/2024 3:20 AM, Steve GS via Python-list wrote: > Yes, I ran that elegantly > simple code. The print > statement reports the X,

RE: Problem resizing a window and button placement

gure) print("WwOutside = <" + str(Ww) + ">") #NameError: name 'Ww' is not defined root.mainloop() SGA -----Original Message- From: Python-list On Behalf Of MRAB via Python-list Sent: Saturday, February 24, 2024 7:49 PM To: [email protected] Subject: Re: Problem r

Re: Problem resizing a window and button placement

On 2/24/2024 9:51 PM, Steve GS via Python-list wrote: First of all, please make sure that the formatting is readable and especially the indentation. This is Python, after all. Do not use tabs; use 3 or 4 spaces instead of each tab. import tkinter as tk #global Ww Neither global helps def

RE: Problem resizing a window and button placement

The print statement in the function prints. Does that not mean that the function is being called? SGA -Original Message- From: Python-list On Behalf Of Thomas Passin via Python-list Sent: Saturday, February 24, 2024 10:39 PM To: [email protected] Subject: Re: Problem resizing a

RE: Problem resizing a window and button placement

So, how do I use the width value in my code? SGA -Original Message- From: Python-list On Behalf Of MRAB via Python-list Sent: Saturday, February 24, 2024 10:36 PM To: [email protected] Subject: Re: Problem resizing a window and button placement On 2024-02-25 02:51, Steve GS wrote

Re: RE: Problem resizing a window and button placement

On 25/02/2024 03:58, Steve GS via Python-list wrote: import tkinter as tk Ww = None def on_configure(*args): global Ww Ww = root.winfo_width() print("Ww Inside = <" + str(Ww) + ">") root = tk.Tk() root.bind('', on_configure) root.mainloo

RE: RE: Problem resizing a window and button placement

Steve GS ; [email protected] Subject: Re: RE: Problem resizing a window and button placement On 25/02/2024 03:58, Steve GS via Python-list wrote: import tkinter as tk Ww = None def on_configure(*args): global Ww Ww = root.winfo_width() print("Ww Inside = <&quo

Re: Problem resizing a window and button placement

On 2/25/2024 4:19 PM, Steve GS via Python-list wrote: SOLUTION FOUND! The fix was to write the code that uses the width value and to place it into the function itself. Kluge? Maybe but it works. Right, just what I wrote earlier: "have the function that responds to the resize event pe

RE: Problem resizing a window and button placement

Ww Inside = <250> Ww Inside = <249> Ww Inside = <250> Ww Outside = <1770662408256on_configure> Here is my result... SGA -Original Message- From: Python-list On Behalf Of MRAB via Python-list Sent: Sunday, February 25, 2024 6:40 PM To: python-list@python.

RE: Problem resizing a window and button placement

that discovery element: Why is my original idea not working? I still cannot pass the value back from the function. What is different about this function that others would have given me the value? SGA -Original Message- From: Python-list On Behalf Of Thomas Passin via Python-list Sent: S

Re: RE: Problem resizing a window and button placement

On 26/02/2024 07:56, Steve GS via Python-list wrote: > Then there is that discovery > element: Why is my original > idea not working? I still > cannot pass the value back > from the function. What is > different about this function > that others would have given > me the

RE: RE: Problem resizing a window and button placement

quot;) # Can I have concentric loops? SGA -Original Message- From: Alan Gauld Sent: Monday, February 26, 2024 4:04 AM To: Steve GS ; [email protected] Subject: Re: RE: Problem resizing a window and button placement On 26/02/2024 07:56, Steve GS via Python-list wrote: > Th

Re: RE: RE: Problem resizing a window and button placement

On 26/02/2024 11:02, Steve GS via Python-list wrote: > Although your code produces the value of Ww outside the function, > I do not see how I can use the value of Ww unless I close the program. You have to use a function that operates inside the mainloop. Thats the nature of event

Re: Problem resizing a window and button placement

On 2/26/2024 6:02 AM, Steve GS via Python-list wrote: Although your code produces the value of Ww outside the function, I do not see how I can use the value of Ww unless I close the program. The configuration event hasn't fired at the time you include the print statement in the handler&

RE: Problem resizing a window and button placement

de your handler. How would that be done? SGA -Original Message- From: Python-list On Behalf Of Thomas Passin via Python-list Sent: Monday, February 26, 2024 8:34 AM To: [email protected] Subject: Re: Problem resizing a window and button placement On 2/26/2024 6:02 AM, Steve GS via

Re: RE: Problem resizing a window and button placement

On 27/02/2024 07:13, Steve GS via Python-list wrote: > Aside from using it to resized > the window, is there no way to > know the last value of the > change for use in the program? The last value would be the current width. And you know how to get that as shown in your configure f

Re: (Mastermind) puzzle (with 3 digits) -- Elegant (readable) code Sought

On 26/02/24 12:45 pm, Lawrence D'Oliveiro wrote: def score(candidate, answer) : return \ ( sum(a == b for a, b in zip(candidate, answer)), sum ( i != j and a == b for i, a in enumerate(candidate)

Transparent label background?

My window is to have a label over an image. How do I place a label that has a transparent background so as to not have the square of the label look so obnoxious? SGA -- https://mail.python.org/mailman/listinfo/python-list

Cheetah 3.3.3.post1

Hello! I'm pleased to announce version 3.3.3.post1, the first post-release of release 3.3.3 of branch 3.3 of CheetahTemplate3. What's new in CheetahTemplate3 == CI: - GHActions: Build and publish wheels on Linux/aarch64. What is CheetahTemplate3

Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

Hi there Working with python 3.11, and, issue that confused me for a little while, trying to figure out what was occurring - unless am completely confused, or missing something - was that, for example, when having pre-defined a variable, and then included it in the global statement inside a

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 05Mar2024 20:13, Jacob Kruger wrote: Now, what almost seems to be occurring, is that while just manipulating the contents of a referenced variable is fine in this context, the moment I try to reassign it, that's where the issue is occurring . Because there are no variable definitions in Py

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 2024-03-05, Cameron Simpson via Python-list wrote: > Because there are no variable definitions in Python, when you write > a function Python does a static analysis of it to decide which > variables are local and which are not. If there's an assignment to a > variable, it is

Can u help me?

[image: image.png] -- https://mail.python.org/mailman/listinfo/python-list

Re: Can u help me?

On 3/5/24 16:06, Chano Fucks via Python-list wrote: [image: image.png] The image is of MS-Windows with the python installation window of "Repair Successful". Hopefully somebody better at explaining that problem can take it from here... -- ~Ethan~ -- https://mail.python.o

Re: Can u help me?

On 3/5/24 16:49, MRAB via Python-list wrote: > On 2024-03-06 00:24, Ethan Furman via Python-list wrote: >> On 3/5/24 16:06, Chano Fucks via Python-list wrote: >> >>> [image: image.png] >> >> The image is of MS-Windows with the python installation window

Re: Can u help me?

On 3/5/24 18:44, Ethan Furman via Python-list wrote: On 3/5/24 16:49, MRAB via Python-list wrote: > On 2024-03-06 00:24, Ethan Furman via Python-list wrote: >> On 3/5/24 16:06, Chano Fucks via Python-list wrote: >> >>> [image: image.png] >> >> The im

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 05/03/2024 22:46, Grant Edwards via Python-list wrote: > Unfortunately (presumably thanks to SEO) the enshittification of > Google has reached the point where searching for info on things like > Python name scope, the first page of links are to worthless sites like > geeksforgeeks.

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

from scratch seems to then ignore the global scope specified in the first line inside the function? Hope this makes more sense Jacob Kruger +2782 413 4791 "Resistance is futile!...Acceptance is versatile..." On 2024/03/05 20:23, dn via Python-list wrote: Jacob, Please reduce the prob

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

new values from scratch seems to then ignore the global scope specified in the first line inside the function? Hope this makes more sense Jacob Kruger +2782 413 4791 "Resistance is futile!...Acceptance is versatile..." On 2024/03/05 20:23, dn via Python-list wrote: Jacob, P

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 3/6/24 05:55, Jacob Kruger via Python-list wrote: Ok, simpler version - all the code in a simpler test file, and working with two separate variables to explain exactly what am talking about: If you import the contents of that file into the python interpreter, dt_expiry will start off as

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 3/6/2024 5:59 AM, Alan Gauld via Python-list wrote: On 05/03/2024 22:46, Grant Edwards via Python-list wrote: Unfortunately (presumably thanks to SEO) the enshittification of Google has reached the point where searching for info on things like Python name scope, the first page of links are

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 3/6/2024 7:55 AM, Jacob Kruger via Python-list wrote: Ok, simpler version - all the code in a simpler test file, and working with two separate variables to explain exactly what am talking about: # start code from datetime import datetime, timezone, timedelta from copy import copy

Re: Can u help me?

On 2024-03-06, MRAB via Python-list wrote: > On 2024-03-06 01:44, Ethan Furman via Python-list wrote: >> On 3/5/24 16:49, MRAB via Python-list wrote: >> > On 2024-03-06 00:24, Ethan Furman via Python-list wrote: >> >> On 3/5/24 16:06, Chano Fucks via Python-list

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

Op 6/03/2024 om 13:55 schreef Jacob Kruger via Python-list: If you import the contents of that file into the python interpreter, [...] What exactly to you mean by "import the contents of that file into the python interpreter"? Other people have put your code in a script, executed i

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

Op 6/03/2024 om 16:39 schreef Roel Schroeven via Python-list: Op 6/03/2024 om 13:55 schreef Jacob Kruger via Python-list: If you import the contents of that file into the python interpreter, [...] What exactly to you mean by "import the contents of that file into the python interp

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

ss? So, yes, know this comes across like some form of a scam/joke, or list-garbage, since it doesn't make any sense to me at all, but still just wondering if missing something, or should I shift over to 3.12 to see if if works differently, or just try reinstalling 3.11 from scratch, or should I re

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

e same ID would be retained both inside and outside function. Jacob Kruger +2782 413 4791 "Resistance is futile!...Acceptance is versatile..." On 2024/03/06 15:57, Mats Wichmann via Python-list wrote: On 3/6/24 05:55, Jacob Kruger via Python-list wrote: Ok, simpler version - all

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

, via command line - generally working with flask, and/or other forms of command line interaction, most of the time. Jacob Kruger +2782 413 4791 "Resistance is futile!...Acceptance is versatile..." On 2024/03/06 17:39, Roel Schroeven via Python-list wrote: Op 6/03/2024 om 13:55 schre

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 3/6/24 08:28, Jacob Kruger via Python-list wrote: > C:\temp\py_try>python > Python 3.11.7 (tags/v3.11.7:fa7a6f2, Dec 4 2023, 19:24:49) [MSC v.1937 64 bit (AMD64)] on win32 > Type "help", "copyright", "credits" or "license" for more inform

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

2 413 4791 "Resistance is futile!...Acceptance is versatile..." On 2024/03/06 18:57, Ethan Furman via Python-list wrote: On 3/6/24 08:28, Jacob Kruger via Python-list wrote: > C:\temp\py_try>python > Python 3.11.7 (tags/v3.11.7:fa7a6f2, Dec  4 2023, 19:24:49) [MSC v.1937 64 bit (A

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

Op 6/03/2024 om 17:40 schreef Jacob Kruger via Python-list: >>> from scoping2 import * Ah yes, that explains what's happening. After that statement, the name dt_expiry in the current namespace is bound to the same object that the name dt_expiry in the namespace of module scopin

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 2024-03-06, Roel Schroeven via Python-list wrote: > Op 6/03/2024 om 17:40 schreef Jacob Kruger via Python-list: >> >>> from scoping2 import * > > [...] > > I would advice not to use 'import *', if at all possible, for multiple > reasons, on

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

Grant Edwards via Python-list schreef op 6/03/2024 om 18:59: On 2024-03-06, Roel Schroeven via Python-list wrote: > Op 6/03/2024 om 17:40 schreef Jacob Kruger via Python-list: >> >>> from scoping2 import * > > [...] > > I would advice not to use 'import *&

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 2024-03-07, dn via Python-list wrote: > The idea of importing a module into the REPL and then (repeatedly) > manually entering the code to set-up and execute is unusual (surely type > such into a script (once), and run that (repeatedly). As you say, most > of us would be wor

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

prefer to work via classes, modules, etc. at runtime, but this was more or less mostly testing, which then caused confusion/interference on my side...LOL! Jacob Kruger +2782 413 4791 "Resistance is futile!...Acceptance is versatile..." On 2024/03/07 03:55, Grant Edwards via Python-l

If a dictionary key has a Python list as its value!

If a dictionary key has a Python list as its value, you can read the values one by one in the list using a for-loop like in the following. d = {k: [1,2,3]} > for v in d[k]: > print(v) No tutorial describes this, why? What is the Python explanation for this behaviour? Varuna -- https://m

Re: If a dictionary key has a Python list as its value!

On 3/7/24 07:11, Varuna Seneviratna via Python-list wrote: If a dictionary key has a Python list as its value, you can read the values one by one in the list using a for-loop like in the following. d = {k: [1,2,3]} for v in d[k]: print(v) No tutorial describes this, why? What is the

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 06Mar2024 15:12, Jacob Kruger wrote: So, this does not make sense to me in terms of the following snippet from the official python docs page: https://docs.python.org/3/faq/programming.html "In Python, variables that are only referenced inside a function are implicitly global. If a variable

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 2024-03-07, Cameron Simpson via Python-list wrote: > Yes. Note that the "global" namespace is the module in which the > function is defined. One might argue that "global" isn't a good choice for what to call the scope in question, since it's not global.

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On Sat, 9 Mar 2024 at 00:51, Grant Edwards via Python-list wrote: > One might argue that "global" isn't a good choice for what to call the > scope in question, since it's not global. It's limited to that source > file. It doesn't make sense to me to call

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On 2024-03-08, Chris Angelico via Python-list wrote: > On Sat, 9 Mar 2024 at 00:51, Grant Edwards via Python-list > wrote: > >> One might argue that "global" isn't a good choice for what to call the >> scope in question, since it's not global. It's l

Re: pathlib.Path.is_file vs os.path.isfile difference

On 3/8/2024 1:03 PM, Albert-Jan Roskam via Python-list wrote: Hi, I was replacing some os.path stuff with Pathlib and I discovered this: Path(256 * "x").is_file() # OSError os.path.isfile(256 * "x") # bool Is this intended? Does pathlib try to resemble o

Re: pathlib.Path.is_file vs os.path.isfile difference

On 2024-03-08, Thomas Passin via Python-list wrote: > On 3/8/2024 1:03 PM, Albert-Jan Roskam via Python-list wrote: >> Hi, >> I was replacing some os.path stuff with Pathlib and I discovered this: >> Path(256 * "x").is_file() # OSError >>

Re: pathlib.Path.is_file vs os.path.isfile difference

On 2024-03-08, Grant Edwards via Python-list wrote: > On 2024-03-08, Thomas Passin via Python-list wrote: >> On 3/8/2024 1:03 PM, Albert-Jan Roskam via Python-list wrote: >>> Hi, >>> I was replacing some os.path stuff with Pathlib and I discovered this: >

Re: pathlib.Path.is_file vs os.path.isfile difference

On 2024-03-08, Grant Edwards via Python-list wrote: >> OSError: [Errno 36] File name to

Re: pathlib.Path.is_file vs os.path.isfile difference

On 3/8/2024 2:21 PM, Grant Edwards via Python-list wrote: On 2024-03-08, Thomas Passin via Python-list wrote: On 3/8/2024 1:03 PM, Albert-Jan Roskam via Python-list wrote: Hi, I was replacing some os.path stuff with Pathlib and I discovered this: Path(256 * "x"

Re: Variable scope inside and outside functions - global statement being overridden by assignation unless preceded by reference

On Sat, 9 Mar 2024 at 03:42, Grant Edwards via Python-list wrote: > > On 2024-03-08, Chris Angelico via Python-list wrote: > > On Sat, 9 Mar 2024 at 00:51, Grant Edwards via Python-list > > wrote: > > > >> One might argue that "global" isn't

Re: pathlib.Path.is_file vs os.path.isfile difference

On 3/8/2024 5:14 PM, Albert-Jan Roskam wrote: On Mar 8, 2024 19:35, Thomas Passin via Python-list wrote: On 3/8/2024 1:03 PM, Albert-Jan Roskam via Python-list wrote: > Hi, > I was replacing some os.path stuff with Pathlib and I discovered this: >

Re: pathlib.Path.is_file vs os.path.isfile difference

On 2024-03-08, Thomas Passin via Python-list wrote: > >> Hi, I tested this with Python 3.8. Good to know that this was fixed! > > We just learned a few posts back that it might be specific to Linux; I > ran it on Windows. On Linux, the limit is imposed by the filesystem.

Re: pathlib.Path.is_file vs os.path.isfile difference

On 3/10/2024 6:17 AM, Barry wrote: On 8 Mar 2024, at 23:19, Thomas Passin via Python-list wrote: We just learned a few posts back that it might be specific to Linux; I ran it on Windows. Depending on the exact win32 api used there is a 257 limit on windows. The 257 includes 2 for the

Re: pathlib.Path.is_file vs os.path.isfile difference

On 3/10/2024 9:33 AM, Albert-Jan Roskam wrote: On Mar 10, 2024 12:59, Thomas Passin via Python-list wrote: On 3/10/2024 6:17 AM, Barry wrote: > > >> On 8 Mar 2024, at 23:19, Thomas Passin via Python-list wrote: >> >> We just learn

Re: Error in Module

On 10/03/2024 18:08, Sanskar Mukeshbhai Joshi via Python-list wrote: > I had made my project in BCA in Python. When I had complete my > project and run the program, at that time I got the error in > runnig my project. The error was ModuleNotFoundError: No module named 'flask'

Re: Error in Module

Sanskar Mukeshbhai Joshi wrote at 2024-3-10 18:08 +: >I had made my project in BCA in Python. When I had complete my project and run >the program, at that time I got the error in runnig my project. The error was >ModuleNotFoundError: No module named 'flask'. `flask` is not part of the Python

Re: A Single Instance of an Object?

On Tue, 12 Mar 2024 at 07:54, Ivan "Rambius" Ivanov via Python-list wrote: > I am refactoring some code and I would like to get rid of a global > variable. Here is the outline: > > ... > > I have never done that in Python because I deliberately avoided such > comp

Re: A Single Instance of an Object?

On Tue, 12 Mar 2024 at 08:04, Ivan "Rambius" Ivanov wrote: > > A Singleton is just a global variable. Why do this? Did someone tell > > you "global variables are bad, don't use them"? > > I have bad experience with global variables because it is hard to > track what and when modifies them. I don't

[RELEASE] Python 3.13.0a5 is now available

We’re getting closer and closer… Alpha 5 is here. https://www.python.org/downloads/release/python-3130a5/ *This is an early developer preview of Python 3.13* Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a5, is the fifth of six pl

Configuring an object via a dictionary

Hi, I am initialising an object via the following: def __init__(self, config): self.connection = None self.source_name = config['source_name'] self.server_host = config['server_host'] self.server_port = config['server_port'] self.user_base = config['u

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