RE: Extract lines from file, add to new files

2024-01-12 Thread Rich Shepard via Python-list
On Fri, 12 Jan 2024, AVI GROSS via Python-list wrote: But is the solution a good one for some purpose? The two output files may end up being out of sync for all kinds of reasons. One of many "errors" can happen if multiple lines in a row do not have an "@" or a person'

Re: Extract lines from file, add to new files

2024-01-12 Thread Left Right via Python-list
To people discussing BNF: The grammar language Python uses is *very* far from BNF. It's more similar to PEG, but even then it's still quite far. Python's grammar is just its own thing, which makes it harder to read, if you are already familiar with other more popular formats.

Re: Extract lines from file, add to new files

2024-01-12 Thread Greg Ewing via Python-list
last): File "", line 1, in NameError: name 'i' is not defined There's no destructuring going on here, just assignment to a sequence item. -- Greg -- https://mail.python.org/mailman/listinfo/python-list

Re: Extract lines from file, add to new files

2024-01-12 Thread Left Right via Python-list
> surprising for me: Surprise is subjective, it's based on personal experience. Very few languages allow arbitrary complex expressions in the same place they allow variable introduction. The fact that "i" is not defined is irrelevant to this example. Most programmers who haven&

Re: Extract lines from file, add to new files

2024-01-12 Thread Left Right via Python-list
Actually, after some Web search. I think, based on this: https://docs.python.org/3/reference/simple_stmts.html#grammar-token-python-grammar-augtarget that in Python you call this "augmented assignment target". The term isn't in the glossary, but so are many others. On Sat, Ja

Re: Extract lines from file, add to new files

2024-01-12 Thread Chris Angelico via Python-list
On Sat, 13 Jan 2024 at 13:11, Left Right via Python-list wrote: > > Very few > languages allow arbitrary complex expressions in the same place they > allow variable introduction. What do you mean by this? Most languages I've worked with allow variables to be initializ

Re: Extract lines from file, add to new files

2024-01-12 Thread Dan Sommers via Python-list
On 2024-01-13 at 02:02:39 +0100, Left Right via Python-list wrote: > Actually, after some Web search. I think, based on this: > https://docs.python.org/3/reference/simple_stmts.html#grammar-token-python-grammar-augtarget > that in Python you call this "augmented assignment tar

Re: Extract lines from file, add to new files

2024-01-13 Thread Dan Sommers via Python-list
On 2024-01-13 at 11:34:29 +0100, Left Right wrote: > > The Python term, at least colloquially, is "tuple unpacking." That quote is from me. Please do preserve attributions. > Well, why use colloquialism if there's a language specification? Also, > there weren'

best tool to extract domain hierarchy from a dimension in an OLAP dataset (csv)

2024-01-13 Thread marc nicole via Python-list
Hi all, I have a csv OLAP dataset that I want to extract the domain hierarchies from each of its dimensions. Anybody could recommend a Python tool that could manage this properly? Thanks -- https://mail.python.org/mailman/listinfo/python-list

Re: Extract lines from file, add to new files

2024-01-13 Thread Greg Ewing via Python-list
On 13/01/24 1:45 pm, Left Right wrote: I use the term "destructuring" in the same way Hyperspec uses it. It's not a Python term. I don't know what you call the same thing in Python. I'm not sure what you understand from it. I thought you meant what is usually called

Re: Extract lines from file, add to new files

2024-01-13 Thread Greg Ewing via Python-list
On 13/01/24 3:14 pm, Chris Angelico wrote: On Sat, 13 Jan 2024 at 13:11, Left Right via Python-list wrote: Very few languages allow arbitrary complex expressions in the same place they allow variable introduction. What do you mean by this? Most languages I've worked with allow vari

Re: mypy question

2024-01-13 Thread Karsten Hilbert via Python-list
Am Fri, Jan 12, 2024 at 02:23:43PM +0100 schrieb Antoon Pardon via Python-list: > > queries:list[dict[str, str | list | dict[str, Any]]]=None, > > > >into > > > > "List[Dict[str, Union[str, List[Any], Dict[str, Any" > > > >seems

Re: mypy question

2024-01-13 Thread Karsten Hilbert via Python-list
Am Sat, Jan 13, 2024 at 09:20:00PM +0100 schrieb Karsten Hilbert via Python-list: > > I was wondering if > > your type hint for queries shouldn't be the following. > > > > queries:list[dict[str,str]|dict[str,list]|dict[str,dict[str, dict[str, > > Ant]]] Wait,

Re: Extract lines from file, add to new files

2024-01-13 Thread Chris Angelico via Python-list
On Sun, 14 Jan 2024 at 14:43, dn via Python-list wrote: > Similarly, whilst we could write: > > a, b, c = 1, 2, 3 > I would only do this when it aligns particularly well with the algorithm being implemented. For example, you could start a Fibonacci evaluator with "a, b =

Re: Extract lines from file, add to new files

2024-01-14 Thread Chris Angelico via Python-list
On Sun, 14 Jan 2024 at 23:28, Left Right wrote: > Having worked with a bunch of different grammar languages, the one > used for Python isn't a recognizable BNF derivative. That might possibly be because it isn't? It's not BNF. It's PEG. Or are you a long way behind the

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-14 Thread Sibylle Koczian via Python-list
Am 09.01.2024 um 12:36 schrieb Barry Scott via Python-list: On 7 Jan 2024, at 15:09, Sibylle Koczian via Python-list wrote: Oh, and the two Windows and Python versions are on two different computers. Will remove the "/env" from my shebang lines, even if I don't un

Re: Extract lines from file, add to new files

2024-01-14 Thread Chris Angelico via Python-list
On Mon, 15 Jan 2024 at 00:27, Left Right wrote: > > > What do you mean? > > > > for x in lambda: ...: > > ... > > > > Perfectly grammatical. > > 1. You put the lambda definition in the wrong place (it should be in > the left-hand side, or as Pytho

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-14 Thread Thomas Passin via Python-list
On 1/14/2024 7:48 AM, Sibylle Koczian via Python-list wrote: Am 09.01.2024 um 12:36 schrieb Barry Scott via Python-list: On 7 Jan 2024, at 15:09, Sibylle Koczian via Python-list wrote: Oh, and the two Windows and Python versions are on two different computers. Will remove the "

RE: Extract lines from file, add to new files

2024-01-14 Thread AVI GROSS via Python-list
It can be worth considering why a language is designed or altered in certain ways to see if there was a tradeoff that made it seem worthwhile or easier than some other choice. Python grew and there was regular pressure to add keywords which might break existing programs. So, yes, sometimes, a

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-14 Thread Thomas Passin via Python-list
On 1/14/2024 8:54 AM, Thomas Passin via Python-list wrote: On 1/14/2024 7:48 AM, Sibylle Koczian via Python-list wrote: Am 09.01.2024 um 12:36 schrieb Barry Scott via Python-list: On 7 Jan 2024, at 15:09, Sibylle Koczian via Python-list wrote: Oh, and the two Windows and Python versions

RE: Extract lines from file, add to new files

2024-01-14 Thread AVI GROSS via Python-list
the one where a method is finally called using some diamond algorithm. It is both extremely powerful but also silly to overuse such features. Avi -Original Message- From: Python-list On Behalf Of Chris Angelico via Python-list Sent: Sunday, January 14, 2024 8:34 AM To: python-list

Re: Extract lines from file, add to new files

2024-01-14 Thread Chris Angelico via Python-list
On Mon, 15 Jan 2024 at 08:15, Left Right wrote: > Python grammar rules prevent function definition from > appearing in left-hand side of the head of the for loop. However, a > variable declaration, which is also a statement, is allowed there. What is a "variable declaration"

Re: Extract lines from file, add to new files

2024-01-14 Thread Left Right via Python-list
> What do you mean? > > for x in lambda: ...: > ... > > Perfectly grammatical. 1. You put the lambda definition in the wrong place (it should be in the left-hand side, or as Python calls it "star_targets", but you put it into "star_expressions", which would

Re: Extract lines from file, add to new files

2024-01-14 Thread Left Right via Python-list
bles are allowed on both sides of unification, but Prolog doesn't have function application in the same sense Python has, so it's still OK. In general, in languages that aren't like Prolog, conceptually, it's possible to either *define* variables (with optional initialization) or t

Re: Extract lines from file, add to new files

2024-01-14 Thread Left Right via Python-list
al differences between what Python grammar language does and what you'd expect from anything that's based on BNF, modified or not: Python isn't a context-free language, so the grammar that is used to describe it doesn't actually describe the language... so, it's a &quo

Re: Extract lines from file, add to new files

2024-01-14 Thread Left Right via Python-list
7;t want function definition to be an assignment target. I was giving an example of how Python grammar works, how the rules govern what can or cannot be used in a particular place... In other words, if you aren't sure you understand the question, why are you trying to reply to it? Is your goal to l

RE: Extract lines from file, add to new files

2024-01-14 Thread AVI GROSS via Python-list
nd just let you pop up a variable as in "x=5" both declares and instantiates a variable. Strictly speaking, in a language like python, everything is an object and some of the way of creating them remains bound to other ideas like declaring a class uses key words as does declaring a

Re: Extract lines from file, add to new files

2024-01-14 Thread Chris Angelico via Python-list
On Mon, 15 Jan 2024 at 09:40, dn via Python-list wrote: > The basic challenge came from my earlier (and blasé) repetition of the > Python refrain "everything in Python is an object". Which led to: > > <<< > For example, you may say "functions in Pyth

RE: Extract lines from file, add to new files

2024-01-14 Thread AVI GROSS via Python-list
Whoa, Олег Сивоконь! I do not understand any arguments about whether comments are, or are not an object. From one perspective, python comments have even less meaning than whitespace and simply do not exist. I mean once a naked "#" is seen, the rest of that line is effectively discar

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-14 Thread Mike Dewhirst via Python-list
t trick. I did read that PEP but it has no relevance for my mixed Windows/Linux environments. On reflection I now believe I won't use py.exe because it introduces an unnecessary layer of indirection.The  bottom line is that you still need to know which Python a particular set of circumstan

Re: Extract lines from file, add to new files

2024-01-14 Thread Chris Angelico via Python-list
On Mon, 15 Jan 2024 at 12:12, dn via Python-list wrote: > Here's another witticism I'll often toss at trainees (in many languages, > and especially in UX): just because we can do it, doesn't make it a good > idea! > Programming. We were so busy with whether we COULD t

Re: Extract lines from file, add to new files

2024-01-14 Thread Chris Angelico via Python-list
On Mon, 15 Jan 2024 at 12:42, dn via Python-list wrote: > > On 15/01/24 14:33, Chris Angelico via Python-list wrote: > > On Mon, 15 Jan 2024 at 12:12, dn via Python-list > > wrote: > >> Here's another witticism I'll often toss at trainees (in many langua

Re: Extract lines from file, add to new files

2024-01-14 Thread Greg Ewing via Python-list
On 13/01/24 11:34 pm, Left Right wrote: To make this shorter, Python allows: for in ... : ... Um, no, it doesn't. An assignment target is not, on its own, a statement. It's hard to make sense of what you're saying. You seem to be surprised by the fact that Python doesn'

Re: Extract lines from file, add to new files

2024-01-14 Thread Greg Ewing via Python-list
On 15/01/24 1:28 am, Left Right wrote: Python isn't a context-free language, so the grammar that is used to describe it doesn't actually describe the language Very few languages have a formal grammar that *fully* describes the set of strings that constitute valid programs, includi

Re: Extract lines from file, add to new files

2024-01-15 Thread Chris Angelico via Python-list
On Mon, 15 Jan 2024 at 18:56, Greg Ewing via Python-list wrote: > > On 15/01/24 1:28 am, Left Right wrote: > > Python isn't a context-free language, so the grammar that is used to > > describe it doesn't actually describe the language > > Very few languages

Re: Extract lines from file, add to new files

2024-01-15 Thread Greg Ewing via Python-list
cal, Turbo Pascal, Delphi, etc. enjoyed a lot of popularity. A variant of UCSD was the main language for Macintosh application development for a number of years. -- Greg -- https://mail.python.org/mailman/listinfo/python-list

Re: Extract lines from file, add to new files

2024-01-15 Thread Greg Ewing via Python-list
using regular expressions. Although some might consider that this doesn't contradict your statement about readability. :-) -- Greg -- https://mail.python.org/mailman/listinfo/python-list

Re: Extract lines from file, add to new files

2024-01-15 Thread Chris Angelico via Python-list
On Mon, 15 Jan 2024 at 19:26, Greg Ewing via Python-list wrote: > > On 15/01/24 9:07 pm, Chris Angelico wrote: > > The grammar *can't* specify everything. If it did, it would have to > > have rules for combining individual letters into a NAME and individual > > cha

Re: Extract lines from file, add to new files

2024-01-15 Thread Antoon Pardon via Python-list
Op 14/01/2024 om 13:28 schreef Left Right via Python-list: Python isn't a context-free language, so the grammar that is used to describe it doesn't actually describe the language... so, it's a "pretend grammar" that ignores indentation. No it doesn't. Here is

Question about garbage collection

2024-01-15 Thread Frank Millman via Python-list
Hi all I have read that one should not have to worry about garbage collection in modern versions of Python - it 'just works'. I don't want to rely on that. My app is a long-running server, with multiple clients logging on, doing stuff, and logging off. They can create many o

Re: Question about garbage collection

2024-01-15 Thread Skip Montanaro via Python-list
> I do have several circular references. My experience is that if I do not > take some action to break the references when closing the session, the > objects remain alive. Below is a very simple program to illustrate this. > > Am I missing something? All comments appreciated. Py

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Sibylle Koczian via Python-list
Am 15.01.2024 um 00:46 schrieb Mike Dewhirst via Python-list: In Windows the provided methods for running complex command lines are either a batch file or a shortcut.Someone very kindly pointed out to me in this thread that there is a PEP for py.exe. I don't use py.exe originally beca

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Mats Wichmann via Python-list
On 1/15/24 09:44, Sibylle Koczian via Python-list wrote: First and foremost I want to understand why I'm seeing this: - Python scripts with "/usr/bin/env python3" as shebang line work as expected on a computer with Windows 10 and Python 3.11.5. They have worked for years

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Mats Wichmann via Python-list
On 1/15/24 09:44, Sibylle Koczian via Python-list wrote: In the Python documentation for versions 3.11 and 3.12 I found no differences regarding py.exe and shebang lines. Then I removed the "/env" from the shebang lines and could start the scripts from the second computer. That ce

Re: Question about garbage collection

2024-01-15 Thread Dieter Maurer via Python-list
Frank Millman wrote at 2024-1-15 15:51 +0200: >I have read that one should not have to worry about garbage collection >in modern versions of Python - it 'just works'. There are still some isolated cases when not all objects in an unreachable cycle are destroyed (see e.g.

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Thomas Passin via Python-list
On 1/15/2024 1:26 PM, Mats Wichmann via Python-list wrote: On 1/15/24 09:44, Sibylle Koczian via Python-list wrote: First and foremost I want to understand why I'm seeing this: - Python scripts with "/usr/bin/env python3" as shebang line work as expected on a computer with

Re: Question about garbage collection

2024-01-15 Thread Akkana Peck via Python-list
> Frank Millman wrote at 2024-1-15 15:51 +0200: > >I have read that one should not have to worry about garbage collection > >in modern versions of Python - it 'just works'. Dieter Maurer via Python-list writes: > There are still some isolated cases when not all objec

Re: Question about garbage collection

2024-01-15 Thread Chris Angelico via Python-list
On Tue, 16 Jan 2024 at 06:32, Akkana Peck via Python-list wrote: > > > Frank Millman wrote at 2024-1-15 15:51 +0200: > > >I have read that one should not have to worry about garbage collection > > >in modern versions of Python - it 'just works'. > > Diet

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Mats Wichmann via Python-list
On 1/15/24 12:01, Thomas Passin via Python-list wrote: On 1/15/2024 1:26 PM, Mats Wichmann via Python-list wrote: On 1/15/24 09:44, Sibylle Koczian via Python-list wrote: First and foremost I want to understand why I'm seeing this: - Python scripts with "/usr/bin/env python3"

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Greg Ewing via Python-list
Greg -- https://mail.python.org/mailman/listinfo/python-list

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Thomas Passin via Python-list
On 1/15/2024 6:27 PM, Greg Ewing via Python-list wrote: On 16/01/24 11:55 am, Mats Wichmann wrote: Windows natively has something called python.exe and python3.exe which is interfering here I'm wondering whether py.exe should be taught to recognise these stubs and ignore them. This s

Re: Question about garbage collection

2024-01-15 Thread Akkana Peck via Python-list
I wrote: > > Also be warned that some modules (particularly if they're based on > > libraries not written in Python) might not garbage collect, so you may need > > to use other methods of cleaning up after those objects. Chris Angelico writes: > Got any examples of tha

Re: Question about garbage collection

2024-01-15 Thread Chris Angelico via Python-list
On Tue, 16 Jan 2024 at 13:49, Akkana Peck via Python-list wrote: > > I wrote: > > > Also be warned that some modules (particularly if they're based on > > > libraries not written in Python) might not garbage collect, so you may > > > need to use other meth

Re: Question about garbage collection

2024-01-15 Thread Thomas Passin via Python-list
On 1/15/2024 9:47 PM, Akkana Peck via Python-list wrote: I wrote: Also be warned that some modules (particularly if they're based on libraries not written in Python) might not garbage collect, so you may need to use other methods of cleaning up after those objects. Chris Angelico w

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-15 Thread Thomas Passin via Python-list
On 1/15/2024 7:24 PM, Thomas Passin wrote: On 1/15/2024 6:27 PM, Greg Ewing via Python-list wrote: On 16/01/24 11:55 am, Mats Wichmann wrote: Windows natively has something called python.exe and python3.exe which is interfering here I'm wondering whether py.exe should be taught to reco

Re: Question about garbage collection

2024-01-16 Thread Frank Millman via Python-list
On 2024-01-15 3:51 PM, Frank Millman via Python-list wrote: Hi all I have read that one should not have to worry about garbage collection in modern versions of Python - it 'just works'. I don't want to rely on that. My app is a long-running server, with multiple clients lo

Re: Question about garbage collection

2024-01-16 Thread Chris Angelico via Python-list
On Tue, 16 Jan 2024 at 23:08, Frank Millman via Python-list wrote: > > On 2024-01-15 3:51 PM, Frank Millman via Python-list wrote: > > Hi all > > > > I have read that one should not have to worry about garbage collection > > in modern versions of Python - it 'j

Re: Question about garbage collection

2024-01-16 Thread Thomas Passin via Python-list
On 1/16/2024 4:17 AM, Barry wrote: On 16 Jan 2024, at 03:49, Thomas Passin via Python-list wrote: This kind of thing can happen with PyQt, also. There are ways to minimize it but I don't know if you can ever be sure all Qt C++ objects will get deleted. It depends on the type of o

Re: Question about garbage collection

2024-01-16 Thread Frank Millman via Python-list
On 2024-01-16 2:15 PM, Chris Angelico via Python-list wrote: Where do you tend to "leave a reference dangling somewhere"? How is this occurring? Is it a result of an incomplete transaction (like an HTTP request that never finishes), or a regular part of the operation of the server?

Re: Question about garbage collection

2024-01-16 Thread Chris Angelico via Python-list
On Wed, 17 Jan 2024 at 01:45, Frank Millman via Python-list wrote: > > On 2024-01-16 2:15 PM, Chris Angelico via Python-list wrote: > > > > Where do you tend to "leave a reference dangling somewhere"? How is > > this occurring? Is it a result of an incomplete tra

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-16 Thread Sibylle Koczian via Python-list
Am 15.01.2024 um 23:55 schrieb Mats Wichmann via Python-list: On 1/15/24 12:01, Thomas Passin via Python-list wrote: On 1/15/2024 1:26 PM, Mats Wichmann via Python-list wrote: Python from the App Store is not the same as Python from python.org: yes. this question is about the python.org

Re: Question about garbage collection

2024-01-16 Thread Greg Ewing via Python-list
x27;t keep the Form alive after it's been closed. -- Greg -- https://mail.python.org/mailman/listinfo/python-list

Re: Question about garbage collection

2024-01-16 Thread Greg Ewing via Python-list
n.org/mailman/listinfo/python-list

Re: Question about garbage collection

2024-01-16 Thread Frank Millman via Python-list
On 2024-01-17 3:01 AM, Greg Ewing via Python-list wrote: On 17/01/24 1:01 am, Frank Millman wrote: I sometimes need to keep a reference from a transient object to a more permanent structure in my app. To save myself the extra step of removing all these references when the transient object is

PyTorch

2024-01-17 Thread Alan Zaharia via Python-list
Hello Python I Need help. it could not be found for PyTorch. It said in the Command Prompt ERROR: Could not find a version that satisfies the requirement torch (from versions: none) ERROR: No matching distribution found for torch, Can you help me? Thank You, Best, Alan. -- https

Re: Question about garbage collection

2024-01-17 Thread Left Right via Python-list
So, here's some info about how to see what's going on with Python's memory allocation: https://docs.python.org/3/library/tracemalloc.html . I haven't looked into this in a long time, but it used to be the case that you needed to compile native modules (and probably Pyt

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-17 Thread Mats Wichmann via Python-list
On 1/16/24 10:00, Sibylle Koczian via Python-list wrote: Am 15.01.2024 um 23:55 schrieb Mats Wichmann via Python-list: On 1/15/24 12:01, Thomas Passin via Python-list wrote: On 1/15/2024 1:26 PM, Mats Wichmann via Python-list wrote: Python from the App Store is not the same as Python from

Re: PyTorch

2024-01-17 Thread Mats Wichmann via Python-list
On 1/17/24 09:48, Alan Zaharia via Python-list wrote: Hello Python I Need help. it could not be found for PyTorch. It said in the Command Prompt ERROR: Could not find a version that satisfies the requirement torch (from versions: none) ERROR: No matching distribution found for torch, Can you

Python 3.13.0a3 is now available.

2024-01-17 Thread Thomas Wouters via Python-list
We silently skipped releasing in December (it was too close to the holidays, a lot of people were away) so by date you may have been expecting alpha 4, but instead it’s alpha 3: https://www.python.org/downloads/release/python-3130a3/ *This is an early developer preview of Python 3.13* <ht

RE: extend behaviour of assignment operator

2024-01-19 Thread AVI GROSS via Python-list
point at it but not which ones. As long as it is decremented when a pointer leaves, it works. If you want to design objects that can store additional info when invoked properly, go for it. No change to python would be needed. In your example, you could create an object initialized by cube([10,1,1], &q

How to replace a cell value with each of its contour cells and yield the corresponding datasets seperately in a list according to a Pandas-way?

2024-01-21 Thread marc nicole via Python-list
) all_datasets_final.append(all_datasets)return all_datasets_final* If you have a better Pandas approach (unifying all these methods into one that make use of dataframe methods only) please let me know. thanks! -- https://mail.python.org/mailman/listinfo/python-list

Re: How to replace a cell value with each of its contour cells and yield the corresponding datasets seperately in a list according to a Pandas-way?

2024-01-21 Thread Thomas Passin via Python-list
On 1/21/2024 7:37 AM, marc nicole via Python-list wrote: Hello, I have an initial dataframe with a random list of target cells (each cell being identified with a couple (x,y)). I want to yield four different dataframes each containing the value of one of the contour (surrounding) cells of each

Re: How to replace a cell value with each of its contour cells and yield the corresponding datasets seperately in a list according to a Pandas-way?

2024-01-21 Thread marc nicole via Python-list
cells) target_cells_with_contour = apply_contours(target_cells, contour_cells) datasets = create_possible_datasets(zipf_dataset, target_cells_with_contour) print(datasets) main() Le dim. 21 janv. 2024 à 16:33, Thomas Passin via Python-list < [email protected]> a écrit : > On 1/2

Re: How to replace a cell value with each of its contour cells and yield the corresponding datasets seperately in a list according to a Pandas-way?

2024-01-21 Thread Thomas Passin via Python-list
reformatted code. It's much easier to read and think about. For say 100 points, it doesn't seem that "optimization" would be much of an issue. On my laptop machine and Python 3.12, your example takes around 5 seconds to run and print(). OTOH if you think you will go to

Re: How to replace a cell value with each of its contour cells and yield the corresponding datasets seperately in a list according to a Pandas-way?

2024-01-21 Thread marc nicole via Python-list
It is part of a larger project aiming at processing data according to a given algorithm Do you have any comments or any enhancing recommendations on the code? Thanks. Le dim. 21 janv. 2024 à 18:28, Thomas Passin via Python-list < [email protected]> a écrit : > On 1/21/2024 11:54

Re: How would you name this dictionary?

2024-01-21 Thread Cameron Simpson via Python-list
://mail.python.org/mailman/listinfo/python-list

Re: How to replace a cell value with each of its contour cells and yield the corresponding datasets seperately in a list according to a Pandas-way?

2024-01-21 Thread Thomas Passin via Python-list
asic usage. Someone else will probably pitch in. Thanks. Le dim. 21 janv. 2024 à 18:28, Thomas Passin via Python-list mailto:[email protected]>> a écrit : On 1/21/2024 11:54 AM, marc nicole wrote: > Thanks for the reply, > > I think using a Pandas (o

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-23 Thread Sibylle Koczian via Python-list
Am 16.01.2024 um 23:44 schrieb Barry via Python-list: On 16 Jan 2024, at 17:11, Sibylle Koczian via Python-list wrote: while the new Windows 11 machine finds the Microsoft stub You can turn off the stub in windows settings. The magic windows jargon is “App Execution Aliases”. Once you

Re: Python 3.12.1, Windows 11: shebang line #!/usr/bin/env python3 doesn't work any more

2024-01-23 Thread Sibylle Koczian via Python-list
Am 17.01.2024 um 19:44 schrieb Mats Wichmann via Python-list: Be interesting to know if your WIndows 10 has those files in place, and it's just a missing path entry (a good thing, perhaps) that's causing it not to be found there. Yes. Python is not on the Path - by design. whi

ANN: eGenix Antispam Bot for Telegram 0.6.0

2024-01-24 Thread eGenix Team via Python-list
-GA.html *INTRODUCTION* eGenix <https://egenix.com/> has long been running a local Python user group meeting in Düsseldorf called /Python Meeting Düsseldorf <https://pyddf.de/>/ and we are using a Telegram group for

Feature proposal: unittest.mock.NAN

2024-01-24 Thread Kerrick Staley via Python-list
d was surprised to find that (as far as I can tell) there is no pre-built solution to this in unittest or pytest. It feels like it should be included in some standard library. - Kerrick -- https://mail.python.org/mailman/listinfo/python-list

Re: Feature proposal: unittest.mock.NAN

2024-01-24 Thread Barry Scott via Python-list
Python ideas are discussed here these days: https://discuss.python.org/ Suggest you raise this there in the Ideas category. Barry > On 24 Jan 2024, at 17:11, Kerrick Staley via Python-list > wrote: > > I think we should define a unittest.mock.NAN constant that can

Re: Await expressions (Posting On Python-List Prohibited)

2024-01-26 Thread Greg Ewing via Python-list
f it helps at all, you can think of an async function as being very similar to a generator, and "await" as being very similar to "yield from". In the current implementation they're almost exactly the same thing underneath. -- Greg -- https://mail.python.org/mailman/listinfo/python-list

Re: Await expressions (Posting On Python-List Prohibited)

2024-01-26 Thread Chris Angelico via Python-list
On Sat, 27 Jan 2024 at 11:01, Greg Ewing via Python-list wrote: > > If it helps at all, you can think of an async function as being > very similar to a generator, and "await" as being very similar to > "yield from". In the current implementation they're almos

Re: Await expressions (Posting On Python-List Prohibited)

2024-01-27 Thread Dieter Maurer via Python-list
Special provisions are necessary to be able to wait for a value (and meanwhile do other things). `asyncio.sleep` has e.g. this provisions and a call of it is an "awaitable". -- https://mail.python.org/mailman/listinfo/python-list

Re: Await expressions

2024-01-27 Thread Mild Shock via Python-list
We say that an object is an awaitable object if it can be used in an await expression. Many asyncio APIs are designed to accept awaitables. There are three main types of awaitable objects: coroutines, Tasks, and Futures. Stefan Ram schrieb: In "The Python Language Reference, Re

Re: Await expressions

2024-01-27 Thread Mild Shock via Python-list
Maybe consult: PEP 492 – Coroutines with async and await syntax Created: 09-Apr-2015 Python-Version: 3.5 https://peps.python.org/pep-0492/ Mild Shock schrieb: We say that an object is an awaitable object if it can be used in an await expression. Many asyncio APIs are designed to accept

How to create a binary tree hierarchy given a list of elements as its leaves

2024-01-28 Thread marc nicole via Python-list
to be [0,7] instead of [0,8]? My code is the following: #!/usr/bin/python # -*- coding: utf-8 -*- import string import random import numpy as np def generate_numbers_list_until_number(stop_number): if str(stop_number).isnumeric(): return np.arange(stop_number) else: raise

Assistance Needed: Corrupted Python Installation Uninstallation Issue

2024-01-29 Thread Syed Hamood via Python-list
Dear Python.org Support Team, I hope this email finds you well. I am writing to seek assistance with an issue I'm encountering while attempting to uninstall a corrupted Python installation on my system. Details of my system: - Operating System: Windows 10 - Python Version: 3.11.3(6

Re: Assistance Needed: Corrupted Python Installation Uninstallation Issue

2024-01-29 Thread Mats Wichmann via Python-list
On 1/29/24 05:19, Syed Hamood via Python-list wrote: Dear Python.org Support Team, I hope this email finds you well. I am writing to seek assistance with an issue I'm encountering while attempting to uninstall a corrupted Python installation on my system. Details of my system: - Oper

RE: Extract lines from file, add to new files

2024-01-29 Thread Rich Shepard via Python-list
On Fri, 12 Jan 2024, Rich Shepard via Python-list wrote: For my use 1) the salutation and email address (always with an '@') are sequential and 2) I'm developing the script to extract both from the same file. I've looked at my Python books "Python Crash Course,

RE: Extract lines from file, add to new files

2024-01-29 Thread Rich Shepard via Python-list
On Mon, 29 Jan 2024, [email protected] wrote: Have you read "https://docs.python.org/3/library/io.html#module-io";? Dieter, No, I hadn't ... but I am reading it now. Many thanks, Rich -- https://mail.python.org/mailman/listinfo/python-list

RE: Extract lines from file, add to new files

2024-01-29 Thread Dieter Maurer via Python-list
Rich Shepard wrote at 2024-1-29 08:15 -0800: > ... >If this explanation is not sufficiently clear I'll re-write it. :-) Have you read "https://docs.python.org/3/library/io.html#module-io";? -- https://mail.python.org/mailman/listinfo/python-list

RE: Extract lines from file, add to new files

2024-01-29 Thread Rich Shepard via Python-list
On Mon, 29 Jan 2024, Rich Shepard via Python-list wrote: No, I hadn't ... but I am reading it now. Perhaps I missed the answer to my question when reading the io module. It explains how to open/write/read files of text and binary data, not passing a variable's value from one file

RE: Extract lines from file, add to new files [RESOLVED]

2024-01-29 Thread Rich Shepard via Python-list
On Mon, 29 Jan 2024, Rich Shepard via Python-list wrote: I'll keep searching for a solution. IIRC, someone here pointed me to <https://realpython.com/python-send-email/> and I forgot about it ... until now. Regards, Rich -- https://mail.python.org/mailman/listinfo/python-list

RE: Extract lines from file, add to new files

2024-01-29 Thread AVI GROSS via Python-list
it and do your thing. Without a bit more specific detail, you may not get more than a suggestion as to how to read in files. -Original Message- From: Python-list On Behalf Of Rich Shepard via Python-list Sent: Monday, January 29, 2024 12:38 PM To: [email protected] Subject: RE

RE: Extract lines from file, add to new files

2024-01-29 Thread Rich Shepard via Python-list
/ Avi, I found several web pages describing how to use the python email library and tools to send individual or multiple email messages. I'll learn how to do this based on a couple of detailed examples. Thanks, Rich -- https://mail.python.org/mailman/listinfo/python-list

Re: Extract lines from file, add to new files

2024-01-29 Thread Grant Edwards via Python-list
On 2024-01-29, Rich Shepard via Python-list wrote: > On Mon, 29 Jan 2024, Rich Shepard via Python-list wrote: > >> No, I hadn't ... but I am reading it now. > > Perhaps I missed the answer to my question when reading the io module. It > explains how to open/write/rea

Re: Extract lines from file, add to new files

2024-01-29 Thread Thomas Passin via Python-list
On 1/29/2024 11:15 AM, Rich Shepard via Python-list wrote: For my use 1) the salutation and email address (always with an '@') are sequential and 2) I'm developing the script to extract both from the same file. I've looked at my Python books "Python Crash Course,

RE: Extract lines from file, add to new files

2024-01-29 Thread AVI GROSS via Python-list
info. If you have lots of data, reading line after line may be less useful than just using a database and a query. One way to stop feeling frustrated is to stop reading the thread. -Original Message- From: Python-list On Behalf Of Grant Edwards via Python-list Sent: Monday, January 29, 2

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