Eric V. Smith added the comment:
I think this is a duplicate of #46782.
--
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___
Python tracker
<https://bugs.python.org/issue47247>
___
___
Eric V. Smith added the comment:
What would dataclasses do that's different from a regular class?
--
___
Python tracker
<https://bugs.python.org/is
Change by Eric V. Smith :
--
title: Inheritance from Protocol with property in class makes them
non-instantiatable -> Inheritance from base class with property in class makes
them non-instantiatable
___
Python tracker
<https://bugs.pyth
Eric V. Smith added the comment:
Here's the error without dataclasses:
--
from typing import Protocol
class SomeProtocol(Protocol):
@property
def some_value(self) -> str: ...
class SomeClass(SomeProtocol):
def __init__(self, some_value):
self.some_value = so
Change by Eric V. Smith :
--
components: +Windows
nosy: +paul.moore, steve.dower, tim.golden, zach.ware
___
Python tracker
<https://bugs.python.org/issue47
Eric V. Smith added the comment:
As Jelle says, this can't be a runtime Exception.
At best mypy or a linter could make iterating over an known empty list (like a
literal []) a warning, not an error as suggested by the OP. I sometimes
"comment out" loops by doing something
Change by Eric Snow :
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Eric Snow added the comment:
Looks like gh-32218 worked.
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Python tracker
<https://bugs.python.org/issue47146>
___
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Python-
Eric V. Smith added the comment:
I'm going to close this. If you have a more concrete proposal, either re-open
this or bring it up on python-ideas.
--
resolution: -> rejected
stage: -> resolved
status: pending -> closed
___
Eric Snow added the comment:
Specifically: https://github.com/python/cpython/actions/workflows/build.yml.
--
status: pending -> open
___
Python tracker
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Eric Snow added the comment:
I'll keep an eye on PRs for the next day or so.
--
resolution: -> fixed
stage: patch review -> resolved
status: open -> pending
___
Python tracker
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Eric Snow added the comment:
New changeset e7bb7c2f047b4f97e4426c42ae209c969808069d by Eric Snow in branch
'main':
bpo-47146: Stop Depending On regen-deepfreeze For regen-global-objects
(gh-32218)
https://github.com/python/cpython/commit/e7bb7c2f047b4f97e4426c42ae209c
Change by Eric Snow :
--
pull_requests: +30294
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/32218
___
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Eric Snow added the comment:
Brandt pointed out this is consistently reproducible locally:
make clean regen-all -j
I'll get this sorted out today.
--
___
Python tracker
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Eric Snow added the comment:
I re-ran jobs that had failed before I merged that gh-32206. Several passed,
but the following are still failing:
* https://github.com/python/cpython/pull/32188
+ https://github.com/python/cpython/runs/5773938424
* https://github.com/python/cpython/pull/32132
Eric V. Smith added the comment:
Same question as Alex: what does the TypeAlias being inside the class offer
that being at module level doesn't?
--
___
Python tracker
<https://bugs.python.org/is
Eric Snow added the comment:
New changeset db4dada5108dd49ebca23e4559a53630a2df8447 by Eric Snow in branch
'main':
bpo-47146: Avoid Using make Recursively (gh-32206)
https://github.com/python/cpython/commit/db4dada5108dd49ebca23e4559a536
Change by Eric Snow :
--
pull_requests: +30281
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/32206
___
Python tracker
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Eric Snow added the comment:
Looks like this is still an intermittent problem:
* https://github.com/python/cpython/pull/32195
+ failed: https://github.com/python/cpython/runs/5756616733
+ failed: https://github.com/python/cpython/runs/5753267869
+ failed: https://github.com/python
Eric V. Smith added the comment:
My personal usage of a topological sort are restricted to maybe 100 entries
max, so I can't really test this in any meaningful way.
That, and the project that uses it is stuck on 3.6, so I haven't switched to
the graphlib v
Eric V. Smith added the comment:
There's also this StackOverflow question about it:
https://stackoverflow.com/questions/38344244/tuples-operator-throws-exception-but-succeeds
--
resolution: -> not a bug
stage: -> resolved
status: open -> closed
type
Eric V. Smith added the comment:
This is an FAQ:
https://docs.python.org/3/faq/programming.html#why-does-a-tuple-i-item-raise-an-exception-when-the-addition-works
--
nosy: +eric.smith
___
Python tracker
<https://bugs.python.org/issue47
Eric V. Smith added the comment:
> I blame the lack of standard POSIX functions for doing DNS lookups
> asynchronously and in a way that provides TTL information to the client.
I totally agree with that!
And I agree it would be nice to have some way of doing non-blocking lookups
wh
Eric V. Smith added the comment:
Hmm. I'm not sure we should try to work around a bad resolver issue. What's
your platform, and how did you install Python?
--
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Python tracker
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Eric V. Smith added the comment:
> Do you mean expiring the IP address when the TTL is reached?
Yes, that's what I mean. Isn't the resolver library smart enough to cache
lookups and handle the TTL timeout by itself?
--
___
Python tr
Eric V. Smith added the comment:
If you don’t look it up every time, how do you deal with DNS timeouts?
--
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___
Python tracker
<https://bugs.python.org/issue47
Change by Eric V. Smith :
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Eric V. Smith added the comment:
Yes, they should update Python. A lot of work went in to fixing these issues,
and won't be backported.
--
resolution: -> out of date
stage: needs patch -> resolved
status: open -> closed
___
Python t
Change by Eric V. Smith :
--
resolution: -> wont fix
stage: -> resolved
status: open -> closed
___
Python tracker
<https://bugs.python.org/issue47137>
___
___
Eric V. Smith added the comment:
Thanks, @macgors!
--
resolution: -> fixed
stage: patch review -> resolved
status: open -> closed
type: -> behavior
___
Python tracker
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Eric V. Smith added the comment:
New changeset 7b44ade018cfe6f54002a3cee43e8aa415d4d635 by Maciej Górski in
branch 'main':
bpo-47129: Add more informative messages to f-string syntax errors (32127)
https://github.com/python/cpython/commit/7b44ade018cfe6f54002a3cee43e8a
Change by Eric V. Smith :
--
nosy: +pablogsal
title: MemoryError -> MemoryError in codeop.compile_command
versions: +Python 3.8
___
Python tracker
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Eric Snow added the comment:
Looks like that fixed it, per https://github.com/python/cpython/pull/32134.
--
resolution: -> fixed
stage: patch review -> resolved
status: open -> closed
___
Python tracker
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Eric Snow added the comment:
New changeset 4c116f716bd1c174d6530b9a7a5ed3863927a109 by Eric Snow in branch
'main':
bpo-47146: Eliminate a race between make regen-deepfreeze and make
regen-global-objects. (gh-32162)
https://github.com/python/cpyt
Change by Eric Snow :
--
keywords: +patch
pull_requests: +30240
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/32162
___
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Eric Snow added the comment:
There's probably something racy with make.
See:
https://github.com/python/cpython/runs/5712538599?check_suite_focus=true#step:10:1147
--
___
Python tracker
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New submission from Eric Snow :
The "Check if generated files are up to date" GitHub check for PRs has been
failing recently. It may also impact local usage of "make regen-all".
Example: https://github.com/python/cpython/runs/5719012664
This may be related to gh-32061.
Eric V. Smith added the comment:
A simpler reproducer is:
codeop.compile_command('[' * 100)
Verified I get MemoryError on cygwin PYthon 3.8.12. A length of 99 does not
show a problem.
On Windows 3.11.0a5+, I get:
>>> codeop.compile_command('[' * 201)
Tra
Eric V. Smith added the comment:
I agree with Jelle here: dataclasses shouldn't be calling get_type_hints().
--
resolution: -> wont fix
stage: patch review -> resolved
status: open -> closed
___
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Change by Eric V. Smith :
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Eric V. Smith added the comment:
>From a suggestion by @Jelle on the python discord server: how about just
>"f-string: expression required before '!'"?
--
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Eric V. Smith added the comment:
I'm not convinced this is an improvement. I don't think someone trying '!' in
an f-string expression happens often enough to worry about that specific error
message.
And a generic "optional specifier" isn't great. If
Eric Snow added the comment:
New changeset febf54bcf3fdc45ad84b4073e24bbaaee0ac8b2a by Eric Snow in branch
'main':
bpo-46712: Do not Regen Deep-Frozen Modules before Generating Global Objects
(gh-32061)
https://github.com/python/cpython/commit/febf54bcf3fdc45ad84b4073e24bba
Eric Snow added the comment:
New changeset 21412d037b07c08266e96dfd0c0e44a1b7693bc1 by Eric Snow in branch
'main':
bpo-46541: Add a Comment About When to Use _Py_DECLARE_STR(). (gh-32063)
https://github.com/python/cpython/commit/21412d037b07c08266e96dfd0c0e44
Change by Eric Snow :
--
pull_requests: +30154
pull_request: https://github.com/python/cpython/pull/32063
___
Python tracker
<https://bugs.python.org/issue46
Eric Snow added the comment:
Here are reasons why PyConfig relates to the runtime and not each interpreter:
* PyConfig was introduced so embedders could dictate how the *runtime*
should be initialized
* after initialization, it represents how the runtime was initialized
* in the public API
Change by Eric Snow :
--
pull_requests: +30151
pull_request: https://github.com/python/cpython/pull/32061
___
Python tracker
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Eric Snow added the comment:
> After a new `&_Py_ID(__orig_class__)` is added to
> Objects/genericaliasobject.c, running `make regen-global-objects` starts
>
> gcc -pthread -c [snipped] -DPy_BUILD_CORE -o Objects/genericaliasobject.o
> Objects/genericaliasobject.c
>
Change by Eric V. Smith :
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Eric V. Smith added the comment:
Thanks for all of your work, @ariebovenberg!
--
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status: open -> closed
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Eric V. Smith added the comment:
New changeset 82e9b0bb0ac44d4942b9e01b2cdd2ca85c17e563 by Arie Bovenberg in
branch 'main':
bpo-46382 dataclass(slots=True) now takes inherited slots into account
(GH-31980)
https://github.com/python/cpython/commit/82e9b0bb0ac44d4942b9e01b2cdd2c
Eric V. Smith added the comment:
Since those releases are no longer supported, I don't think there's any place
you could put this that would be seen. And we wouldn't want to put a note in a
current release about a bug in a non-supported version that was fixed in
anothe
Eric V. Smith added the comment:
I thought there was an existing issue that covered this, but now I can't find
it.
I'd prefer #2, create a separate issue.
--
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Python tracker
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Eric V. Smith added the comment:
I agree the error message could be better. Also, "s.error('bad escape %s' %
this, len(this))" should probably be "from None", since as @mrabarnett notes
the KeyError is an implementation detail.
--
Eric V. Smith added the comment:
I don't have a problem saying that for a class to be used as a base class for a
dataclass, its __slots__ must not be an iterator that's been exhausted. That
doesn't seem like a very onerous requirement.
I'm also not concerned about peopl
Eric V. Smith added the comment:
Yes, I assume that's what the OP intended, but then stumbled across the error
with '\s'.
In any event, I don't think there's a bug here so I'm going to close this.
@siddheshsathe: if you disagree, please respond here.
--
Eric V. Smith added the comment:
Is there any reason to keep this issue open? The PR was merged.
--
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Change by Eric V. Smith :
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Eric V. Smith added the comment:
Serhiy: Could you point to some documentation on __slotnames__? I see a few
references in the code to it, but it's not set on simple test class.
>>> class A:
... __slots__=('a',)
...
>>> A.__slotnames__
Traceback (most rec
Eric V. Smith added the comment:
You're probably doing something like:
parent.i = 3
instead of:
parent.child.field = 0.6
In the first one, you're setting an instance attribute on parent, on the
second, you're modifying an attribute of the class attribute.
In any event,
Eric V. Smith added the comment:
child is not an attribute of a Parent instance, but rather of the Parent class.
So it's not going to be saved when you dump "parent", which is an instance of
Parent.
I'm not sure what you're doing when you create a Parent.__init_
Change by Eric V. Smith :
--
resolution: -> duplicate
stage: patch review -> resolved
status: open -> closed
superseder: -> Incorrect exception highlighting for fstring format
___
Python tracker
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Eric V. Smith added the comment:
@frenzy: I'm not sure what your fix would do. You could either describe it in
rough terms (if you'd like a pre-PR opinion on the approach), or I'm happy to
wait to see your PR.
--
___
Python
Eric V. Smith added the comment:
Isn't '\s' covered by: " Unknown escapes of ASCII letters are reserved for
future use and treated as errors"
(https://docs.python.org/3/library/re.html#re.sub)?
--
nosy: +eric.smith
_
Eric V. Smith added the comment:
In case it helps anyone:
On Windows 3.11.0a5+ the full traceback is:
$ ./python.bat demo.py
Running Debug|x64 interpreter...
Traceback (most recent call last):
File "...\demo.py", line 23, in
sys.exit(main())
^^
Fil
Eric V. Smith added the comment:
Jelle gives the correct reason for what you're seeing.
Also note:
>>> math.nan == math.nan
False
>>> float('nan') == float('nan')
False
If there's some specific part of the documentation that you think is
mi
Eric Vergnaud added the comment:
Actually there are 2 distinct issues here:
- ValueError: cannot use non-qualified names with default_namespace option
- lack of 'standalone' option when writing XML PI
--
___
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Eric Vergnaud added the comment:
lxml tostring does not support the default_namespace value so not an option
--
___
Python tracker
<https://bugs.python.org/issue45
Eric Vergnaud added the comment:
This is not a feature request, it's a bug fix request, so should be fixed asap.
Why is it a bug ?
XML spec says that "the default namespace does not apply to attribute names"
(see section 6.3), therefore having a simple attribute name when u
Eric V. Smith added the comment:
Here's a simplified reproducer:
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("-u", "--utc", choices=["-1:00"])
args = parser.parse_args()
I assume this is related to argparse guessing if an argumen
Eric V. Smith added the comment:
I’m sorry, I don’t understand your proposal. Please answer my question about
what “x” would be equal to under your proposed change.
--
___
Python tracker
<https://bugs.python.org/issue46
Eric V. Smith added the comment:
What would x be equal to here:
def get_something_string():
return textwrap.dedent("""\
test text2
test text3
test text4""")
x = f"""\
test text1
{get_something_string()
Eric V. Smith added the comment:
What would the presence of "<<" do? You haven't described your proposal.
--
___
Python tracker
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Eric V. Smith added the comment:
What is the flag you mention? What would it do?
This sounds like a new feature, which can only go in to 3.11.
--
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___
Python tracker
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Eric V. Smith added the comment:
I agree it's not worth fixing in 3.9 and 3.10.
--
___
Python tracker
<https://bugs.python.org/issue44799>
___
___
Pytho
Eric V. Smith added the comment:
This is expected behavior. A set has no defined order. If you convert a set to
a list, and you want some specific order, you'll need to sort it yourself.
--
nosy: +eric.smith
resolution: -> not a bug
stage: -> resolved
status: ope
Eric V. Smith added the comment:
> I would argue that "The reference documentation for X states that it gets
> raised under condition Y" generally should be understood as "this is a
> guarantee that also includes the guarantee that it is not raised under other
&
Eric V. Smith added the comment:
The documentation doesn't say that assert statements are the only place
AssertionError is raised, so I don't think it's incorrect.
> From this, one can infer the guarantee "the -O flag will suppress
> AssertionError exceptions fr
Eric V. Smith added the comment:
This appears to be due to dataclasses needing to create a new class in order to
set __slots__. I'll look at it, but I doubt there's anything that can be done.
attrs has the same issue:
File "x/.local/lib/python3.8/site-packages/attr/_mak
Eric V. Smith added the comment:
In what way does it break? You haven't shown an error.
Why are you deepcopying the logger?
--
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Python tracker
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Change by Eric Snow :
--
keywords: +patch
pull_requests: +29879
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/31771
___
Python tracker
<https://bugs.python.org/issu
New submission from Eric Snow :
tl;dr let's move PyInterpreterState.config to _PyRuntimeState.config.
Historically the runtime has been initialized using Py_Initialize(). PEP 587
added Py_InitializeFromConfig(), which takes a PyConfig and allows all sorts of
customization of the ru
Change by Eric V. Smith :
--
components: +Regular Expressions -Library (Lib)
nosy: +ezio.melotti, mrabarnett
___
Python tracker
<https://bugs.python.org/issue46
Eric V. Smith added the comment:
If you go with the second idea, I'd say something like f"More than {2 *
tracebacklimit} additional stack frames not shown". It seems handy to know the
magnitude of the problem.
--
nosy: +eric.smith
___
Eric V. Smith added the comment:
As others have noted, the behavior is intentional, so I'm closing this.
--
nosy: +Dennis Sweeney, Jelle Zijlstra, eric.smith
resolution: -> not a bug
stage: -> resolved
status: open -> closed
___
Eric V. Smith added the comment:
Yeah, I've come to the conclusion that it's not so simple, either. I'm also
thinking that advising to call the base __init__ is a mistake.
--
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Python tracker
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Eric V. Smith added the comment:
I think this is a bug in the code. I'll have a PR ready shortly.
But since it's a non-trivial change, I'm going to target it for 3.11 only.
--
assignee: docs@python -> eric.smith
versions: -Pytho
Eric V. Smith added the comment:
I don’t have Ubuntu to test on. Plus the steps to reproduce are too much for
the average volunteer to work through. I don’t think we’ll be able to help.
--
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Python tracker
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Eric V. Smith added the comment:
I understand. Then I'm going to close this issue, since there's nothing we can
do.
--
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stage: -> resolved
status: open -> closed
___
Python tracker
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Eric V. Smith added the comment:
> I was running one python script
Again: you need to show us the script that's causing this problem. I (and
millions of others) run scripts all the time which do not fail in the way you
describe. Unless you show us a script that causes the problem, w
Change by Eric V. Smith :
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Change by Eric V. Smith :
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Eric V. Smith added the comment:
>From https://github.com/python/cpython/blob/main/Python/marshal.c:
41 is:
#define TYPE_SMALL_TUPLE')'
The difference between 41 and 169 is 128:
#define FLAG_REF'\x80' /* with a type, add obj to index */
S
Eric Snow added the comment:
New changeset 21099fc064c61d59c936a2f6a0db3e07cd5c8de5 by Eric Snow in branch
'main':
bpo-46712: Let generate_global_objects.py Run on Earlier Python Versions
(gh-31637)
https://github.com/python/cpython/commit/21099fc064c61d59c936a2f6a0db3e
Eric Snow added the comment:
This may be related to the getpath.py work Steve did.
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___
Python tracker
<https://bugs.python.org/issue46
Change by Eric Snow :
--
pull_requests: +29759
pull_request: https://github.com/python/cpython/pull/31637
___
Python tracker
<https://bugs.python.org/issue46
Change by Eric Snow :
--
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stage: patch review -> resolved
status: open -> closed
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New submission from Eric Snow :
example: https://buildbot.python.org/all/#/builders/730/builds/4081
--
components: Build
messages: 414223
nosy: eric.snow, vstinner
priority: normal
severity: normal
stage: needs patch
status: open
title: pyexpat occasionally fails to build on the ARM64
Eric Snow added the comment:
New changeset 08deed1af56bec8668c6cb4d5cfd89e393e1fe5e by Eric Snow in branch
'main':
bpo-46753: Add the empty tuple to the _PyRuntimeState.global_objects. (gh-31345)
https://github.com/python/cpython/commit/08deed1af56bec8668c6cb4d5cfd89
Eric V. Smith added the comment:
Probably so. You could step through the code to make sure that's what's going
on.
--
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