On 4/22/22, Tola Oj wrote:
> im trying to upgrade my pip so i can install openpyxl. i though i had
> successfully upgraded pip, and then I was trying to install openpyxl, but I
> was getting this:
>
> C:\Users\ojomo>"C:\Program Files\Python310\python.exe" -m pip install
> --upgrade
>
> [...]
>
> "
On 22/04/2022 21.58, Avi Gross wrote:
Python does have a concept of "truthy" that includes meaning for not just the
standard Booleans but for 0 and non-zero and the empty string and many more odd things
such as an object that defines __bool__ ().
But saying it returns a Boolean True/False value
On 22/04/2022 16.12, alister wrote:
On Fri, 22 Apr 2022 14:36:27 -0500, Michael F. Stemper wrote:
I'm writing a function that is nearly self-documenting by its name,
but still want to give it a docstring. Which of these would be best from
a stylistic point of view:
for guidance I would suge
Given what you added, Michael, your function is part of a larger collection of
functions and being compatible with the others is a valid consideration.
Whatever you decide, would ideally be done consistently with all or most of
them.
And, of course, it others in the collection also can handle mu
What about introducing a method for text streams that reads the lines
from the bottom? Java has also a ReversedLinesFileReader with Apache
Commons IO.
--
https://mail.python.org/mailman/listinfo/python-list
On Fri, Apr 22, 2022 at 12:56 PM Michael F. Stemper <
michael.stem...@gmail.com> wrote:
> I'm writing a function that is nearly self-documenting by its name,
> but still want to give it a docstring. Which of these would be
> best from a stylistic point of view:
>
>
>Tells caller whether or not
On Sun, 24 Apr 2022 at 04:37, Marco Sulla wrote:
>
> What about introducing a method for text streams that reads the lines
> from the bottom? Java has also a ReversedLinesFileReader with Apache
> Commons IO.
It's fundamentally difficult to get precise. In general, there are
three steps to reading
"return true iff this".
I like this.
jan
On 23/04/2022, Stefan Ram wrote:
> Rob Cliffe writes:
>>I'm curious as to why so many people prefer "Return" to "Returns".
>
> The commands, er, names of functions, use the imperative mood
> ("print", not "prints"). So, "return" aligns with that moo
It's not clear there is a straightforward way to catch a signal or get
an event notification when my computer (Dell running XUbuntu 20.04) is
about to sleep or when it's just awakened. The app uses tkinter. Is
there some more-or-less easy way to do this? Mac support would be nice
(I have my eye on
I don't know in Python, but maybe you can create a script that writes
on a named pipe and read it from Python?
https://askubuntu.com/questions/226278/run-script-on-wakeup
--
https://mail.python.org/mailman/listinfo/python-list
On Sat, 23 Apr 2022 at 20:59, Chris Angelico wrote:
>
> On Sun, 24 Apr 2022 at 04:37, Marco Sulla
> wrote:
> >
> > What about introducing a method for text streams that reads the lines
> > from the bottom? Java has also a ReversedLinesFileReader with Apache
> > Commons IO.
>
> It's fundamentally
On Sun, 24 Apr 2022 at 06:41, Marco Sulla wrote:
>
> On Sat, 23 Apr 2022 at 20:59, Chris Angelico wrote:
> >
> > On Sun, 24 Apr 2022 at 04:37, Marco Sulla
> > wrote:
> > >
> > > What about introducing a method for text streams that reads the lines
> > > from the bottom? Java has also a Reversed
On Sat, 23 Apr 2022 at 23:00, Chris Angelico wrote:
> > > This is quite inefficient in general.
> >
> > Why inefficient? I think that readlines() will be much slower, not
> > only more time consuming.
>
> It depends on which is more costly: reading the whole file (cost
> depends on size of file) o
On Sun, 24 Apr 2022 at 07:13, Marco Sulla wrote:
>
> On Sat, 23 Apr 2022 at 23:00, Chris Angelico wrote:
> > > > This is quite inefficient in general.
> > >
> > > Why inefficient? I think that readlines() will be much slower, not
> > > only more time consuming.
> >
> > It depends on which is more
On 24/04/2022 07.36, Skip Montanaro wrote:
> It's not clear there is a straightforward way to catch a signal or get
> an event notification when my computer (Dell running XUbuntu 20.04) is
> about to sleep or when it's just awakened. The app uses tkinter. Is
> there some more-or-less easy way to do
> I don't know in Python, but maybe you can create a script that writes
> on a named pipe and read it from Python?
> https://askubuntu.com/questions/226278/run-script-on-wakeup
Thanks, that gives me something to munch on.
--
https://mail.python.org/mailman/listinfo/python-list
On 2022-04-24 04:57:20 +1000, Chris Angelico wrote:
> On Sun, 24 Apr 2022 at 04:37, Marco Sulla
> wrote:
> > What about introducing a method for text streams that reads the lines
> > from the bottom? Java has also a ReversedLinesFileReader with Apache
> > Commons IO.
>
> It's fundamentally diffi
On 24/04/2022 09.15, Chris Angelico wrote:
> On Sun, 24 Apr 2022 at 07:13, Marco Sulla
> wrote:
>>
>> On Sat, 23 Apr 2022 at 23:00, Chris Angelico wrote:
> This is quite inefficient in general.
Why inefficient? I think that readlines() will be much slower, not
only more time c
On Sun, 24 Apr 2022 at 08:03, Peter J. Holzer wrote:
>
> On 2022-04-24 04:57:20 +1000, Chris Angelico wrote:
> > On Sun, 24 Apr 2022 at 04:37, Marco Sulla
> > wrote:
> > > What about introducing a method for text streams that reads the lines
> > > from the bottom? Java has also a ReversedLinesFi
On 24Apr2022 07:15, Chris Angelico wrote:
>On Sun, 24 Apr 2022 at 07:13, Marco Sulla wrote:
>> Emh, why chunks? My function simply reads byte per byte and compares
>> it to b"\n". When it find it, it stops and do a readline():
[...]
>> This is only for one line and in utf8, but it can be general
On Sun, 24 Apr 2022 at 08:06, dn wrote:
>
> On 24/04/2022 09.15, Chris Angelico wrote:
> > On Sun, 24 Apr 2022 at 07:13, Marco Sulla
> > wrote:
> >>
> >> On Sat, 23 Apr 2022 at 23:00, Chris Angelico wrote:
> > This is quite inefficient in general.
>
> Why inefficient? I think that
On Sun, 24 Apr 2022 at 08:18, Cameron Simpson wrote:
>
> On 24Apr2022 07:15, Chris Angelico wrote:
> >On Sun, 24 Apr 2022 at 07:13, Marco Sulla
> >wrote:
> >> Emh, why chunks? My function simply reads byte per byte and compares
> >> it to b"\n". When it find it, it stops and do a readline():
>
On 23/04/2022 08.35, Michael F. Stemper wrote:
> On 22/04/2022 14.59, Chris Angelico wrote:
>> On Sat, 23 Apr 2022 at 05:56, Michael F. Stemper
>> wrote:
>>>
>>> I'm writing a function that is nearly self-documenting by its name,
>>> but still want to give it a docstring. Which of these would be
>
On 24Apr2022 08:21, Chris Angelico wrote:
>On Sun, 24 Apr 2022 at 08:18, Cameron Simpson wrote:
>> An approach I think you both may have missed: mmap the file and use
>> mmap.rfind(b'\n') to locate line delimiters.
>> https://docs.python.org/3/library/mmap.html#mmap.mmap.rfind
>
>Yeah, I made a v
On Sun, 24 Apr 2022 at 10:04, Cameron Simpson wrote:
>
> On 24Apr2022 08:21, Chris Angelico wrote:
> >On Sun, 24 Apr 2022 at 08:18, Cameron Simpson wrote:
> >> An approach I think you both may have missed: mmap the file and use
> >> mmap.rfind(b'\n') to locate line delimiters.
> >> https://docs.
I am happy with how the python starts up. When I use
python
I get python 2.
I am ok with using py -3 for my new scripts, even using the shebang like
#!py -3
I don't want to put a unix (or for that matter windows) path in the shebang, as
it is not platform portable
But the real question/s for me i
On Sun, 24 Apr 2022 01:19:38 + (UTC), Sunil KR
declaimed the following:
>
>-- Why are my strings being sent to python3, so that I get the unicode related
>error?
>-- in other cases I see error pertaining to the print function
In python2, the default for strings is BYTES -- you must
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