sam.z.ezeh＠gmail.com wrote:
> I've now created a GitHub issue [2] and a draft PR [3] for
> contextlib.redirect_stdin.
To provide an update, contextlib.redirect_stdin isn't happening [1]
[1]: https://github.com/python/cpython/issues/92178#issuecomment-1115486367
Anyway, there is something dataclasses do today that prevent you from jsut
adding a @dataclass for binding __init__ attributes from an otherwise
"complete class that does things": it overwrites __init__ itself - one hass
to resort to write "__post_init__" instead,¨
That means that if some class
On Mon, May 2, 2022 at 7:42 PM Steven D'Aprano wrote:
> On Sun, May 01, 2022 at 10:40:49PM -0700, Christopher Barker wrote:
>
> > Yes, any class could use this feature (though it's more limited than
> what
> > dataclasses do) -- what I was getting is is that it would not be
> > (particularly)
On Sun, May 01, 2022 at 10:40:49PM -0700, Christopher Barker wrote:
> Yes, any class could use this feature (though it's more limited than what
> dataclasses do) -- what I was getting is is that it would not be
> (particularly) useful for all classes -- only classes where there are a lot
> of
On Mon, May 02, 2022 at 07:44:14PM +0100, Paul Moore wrote:
> I have classes with 20+ parameters (packaging metadata). You can argue
> that a dataclass would be better, or some other form of refactoring,
> and you may actually be right. But it is a legitimate design for that
> use case.
Indeed.
On Tue, 3 May 2022 at 11:14, Steven D'Aprano wrote:
>
> On Mon, May 02, 2022 at 07:55:16PM -, sam.z.e...@gmail.com wrote:
>
> > Using the prospective redirect_stdin context manager, the following code
> >
> > ```
> > with open("/dev/tty", 'r+') as file:
> > with
On Mon, May 02, 2022 at 07:55:16PM -, sam.z.e...@gmail.com wrote:
> Using the prospective redirect_stdin context manager, the following code
>
> ```
> with open("/dev/tty", 'r+') as file:
> with contextlib.redirect_stdin(file), contextlib.redirect_stdout(file):
> name =
On Tue, 3 May 2022 at 05:56, wrote:
>
> > (Plus not-yet-existing, but hopefully soon, redirect_stdin.)
> Mentioned on the redirect_stdio thread, I've now created a GitHub issue and
> PR for contextlib.redirect_stdin.
> > I think I want to see some examples of how and why you would use it, and
>
> (Plus not-yet-existing, but hopefully soon, redirect_stdin.)
Mentioned on the redirect_stdio thread, I've now created a GitHub issue and PR
for contextlib.redirect_stdin.
> I think I want to see some examples of how and why you would use it, and
> why one couldn't just use the redirect_stdout
> (2) I don't see `redirect_stdio(stout=None ...)` as meaning "leave
> stdout alone". I see it as equivalent to some variation of unsetting
> stdout, say setting it to /dev/null.
This makes sense, perhaps None could be an alias for a stream created from
os.devnull [1]. Then the default
On Mon, 2 May 2022 at 18:46, Steven D'Aprano wrote:
>
> But **not once** when I have read that same method later on have I
> regretted that those assignments are explicitly written out, or wished
> that they were implicit and invisible.
I have classes with 20+ parameters (packaging metadata).
On Mon, May 02, 2022 at 05:42:12PM -, sam.z.e...@gmail.com wrote:
> input(prompt=None, /, infile=None, outfile=None)
> What do people think about this?
I think I want to see some examples of how and why you would use it, and
why one couldn't just use the redirect_stdout context manager.
On Mon, May 02, 2022 at 05:29:56PM -, sam.z.e...@gmail.com wrote:
> > There's already contextlib.redirect_stdout() and
> > contextlib.redirect_stderr(). Adding contextlib.redirect_stdin() would
> > be logical, but I think a more flexible
> >
> > contextlib.redirect_stdio(stdin=None,
On Mon, May 02, 2022 at 10:34:56AM -0600, Pablo Alcain wrote:
> For what it's worth,
> the choice of the `@` was because of two different reasons: first, because
> we were inspired by Ruby's syntax (later on learned that CoffeeScript and
> Crystal had already taken the approach we are proposing)
Previously discussed here [1] [2], it was raised that the input function could
take file objects to display prompts in places other than sys.stdout and
receive input from places other than sys.stdin. Locally, the patch I have
produces the following help text:
```
Help on built-in function
Previously raised here [1], contextlib.redirect_stdio would be a utility
function to help redirect standard input, output and error. The idea of a
function called "stdio" that does the same thing was also raised. The function
would combine the functionality of contextlib.redirect_stdout and
On Mon, May 2, 2022 at 7:21 AM Steven D'Aprano wrote:
> On Sun, May 01, 2022 at 06:22:08PM -0700, Devin Jeanpierre wrote:
>
> > Is it unreasonable to instead suggest generalizing the assignment target
> > for parameters? For example, if parameter assignment happened left to
> > right, and
On Sun, May 1, 2022 at 10:35 AM Ethan Furman wrote:
> On 5/1/22 00:21, Christopher Barker wrote:
> > On Sat, Apr 30, 2022 at 2:17 PM Pablo Alcain wrote:
>
>
> >> It shows that out of 20k analyzed classes in the selected libraries
> (including black,
> >> pandas, numpy, etc), ~17% of them
On Mon, May 02, 2022 at 05:57:45PM +0900, Stephen J. Turnbull wrote:
> def __init__(s, s.x, s.y): pass
I think that if this proposal threatens to encourage people to write
that horro, that would be enough of a reason to reject it.
--
Steve
___
On Sun, May 01, 2022 at 06:22:08PM -0700, Devin Jeanpierre wrote:
> Is it unreasonable to instead suggest generalizing the assignment target
> for parameters? For example, if parameter assignment happened left to
> right, and allowed more than just variables, then one could do:
>
> def
On Mon, May 02, 2022 at 09:58:35AM +0200, Marc-Andre Lemburg wrote:
> Just a word of warning: numeric bases are not necessarily the same
> as numeric encodings. The latter usually come with other formatting
> criteria in addition to representing numeric values, e.g. base64 is
> an encoding and
Devin Jeanpierre writes:
> Is it unreasonable to instead suggest generalizing the assignment target
> for parameters? For example, if parameter assignment happened left to
> right, and allowed more than just variables, then one could do:
>
> def __init__(self, self.x, self.y): pass
At a
On Mon, 2 May 2022 at 17:58, Marc-Andre Lemburg wrote:
>
> On 02.05.2022 08:54, Chris Angelico wrote:
> > On Mon, 2 May 2022 at 16:46, Serhiy Storchaka wrote:
> >>
> >> 02.05.22 08:03, Chris Angelico пише:
> >>> Let's not go as far as a PEP yet, and figure out a couple of things:
> >>
> >> A PEP
On 02.05.2022 08:54, Chris Angelico wrote:
> On Mon, 2 May 2022 at 16:46, Serhiy Storchaka wrote:
>>
>> 02.05.22 08:03, Chris Angelico пише:
>>> Let's not go as far as a PEP yet, and figure out a couple of things:
>>
>> A PEP is necessary if we add Roman numerals and Cyrillic numerals, and
>>
On Mon, 2 May 2022 at 16:46, Serhiy Storchaka wrote:
>
> 02.05.22 08:03, Chris Angelico пише:
> > Let's not go as far as a PEP yet, and figure out a couple of things:
>
> A PEP is necessary if we add Roman numerals and Cyrillic numerals, and
> Babylonian cuneiform numerals to the heap.
>
I'm
On Mon, 2 May 2022 at 16:37, Simon de Vlieger wrote:
>
> On Mon, May 2, 2022, at 7:03 AM, Chris Angelico wrote:
> > The "alternate alphabet" case can be done by base converting and then
> > replacing on the string. It's not the smoothest, so that counts a bit
> > of clunkiness; but it's also not
02.05.22 08:03, Chris Angelico пише:
Let's not go as far as a PEP yet, and figure out a couple of things:
A PEP is necessary if we add Roman numerals and Cyrillic numerals, and
Babylonian cuneiform numerals to the heap.
___
Python-ideas mailing
On Mon, May 2, 2022, at 7:03 AM, Chris Angelico wrote:
> The "alternate alphabet" case can be done by base converting and then
> replacing on the string. It's not the smoothest, so that counts a bit
> of clunkiness; but it's also not all THAT common (I can recall doing
> it for SteamGuard 2FA
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