[issue44940] Clarify the documentation of re.findall()

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset 64f9e7b19dc1603fcbd07c17c9860085b9d21465 by Serhiy Storchaka in 
branch 'main':
bpo-44940: Clarify the documentation of re.findall() (GH-27849)
https://github.com/python/cpython/commit/64f9e7b19dc1603fcbd07c17c9860085b9d21465


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[issue44940] Clarify the documentation of re.findall()

[miss-islington]

Change by miss-islington :


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[issue44940] Clarify the documentation of re.findall()

[miss-islington]

Change by miss-islington :


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[issue44955] Method stopTestRun() is not always called for skipped tests

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset a9640d75531d6cbbfd254b65435f238c26bf5cd9 by Serhiy Storchaka in 
branch 'main':
bpo-44955: Always call stopTestRun() for implicitly created TestResult objects 
(GH-27831)
https://github.com/python/cpython/commit/a9640d75531d6cbbfd254b65435f238c26bf5cd9


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[issue44955] Method stopTestRun() is not always called for skipped tests

[miss-islington]

Change by miss-islington :


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[issue44955] Method stopTestRun() is not always called for skipped tests

[miss-islington]

Change by miss-islington :


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[issue44940] Clarify the documentation of re.findall()

[miss-islington]

miss-islington  added the comment:


New changeset 519bcc698c436e12bd6c1ff6f2517060719c60d5 by Miss Islington (bot) 
in branch '3.10':
bpo-44940: Clarify the documentation of re.findall() (GH-27849)
https://github.com/python/cpython/commit/519bcc698c436e12bd6c1ff6f2517060719c60d5


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[issue44955] Method stopTestRun() is not always called for skipped tests

[miss-islington]

miss-islington  added the comment:


New changeset d63114caf9384ead7baf872598acdff25315a5bf by Miss Islington (bot) 
in branch '3.10':
bpo-44955: Always call stopTestRun() for implicitly created TestResult objects 
(GH-27831)
https://github.com/python/cpython/commit/d63114caf9384ead7baf872598acdff25315a5bf


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[issue44968] Fix/remove test_subprocess_wait_no_same_group from test_asyncio tests

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Thank you for your report Ryan. Indeed, there was a bug introduced during 
refactoring (one unneeded "yield" was kept), and there was a bug before 
refactoring (the transport was not closed).

I'll open a new issue about "Unknown child process pid".

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[issue44974] Warning about "Unknown child process pid" in test_asyncio

[Serhiy Storchaka]

New submission from Serhiy Storchaka :

Ryan Mast reported about a warning about "Unknown child process pid" after 
finishing test_asyncio (see msg400018 and 
https://github.com/python/cpython/pull/27870#issuecomment-903072119 for 
details).

I cannot reproduce it locally. Ryan, could you help with locating the source of 
this warning? First suspect is test_close_dont_kill_finished. If it is not, it 
may be other test calling kill().

--
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messages: 400057
nosy: asvetlov, rmast, serhiy.storchaka, yselivanov
priority: normal
severity: normal
status: open
title: Warning about "Unknown child process pid" in test_asyncio
type: behavior
versions: Python 3.10, Python 3.11, Python 3.9

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[issue44493] Missing terminated NUL in the length of sockaddr_un

[ty]

ty  added the comment:

Hello and PING.

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[issue44975] [typing] Runtime protocols with ClassVar data members should support issubclass

[Ken Jin]

New submission from Ken Jin :

This is a feature request by a user at 
https://github.com/python/typing/issues/822.

A copy of their request:
Currently issubclass cannot be used for runtime_checkable protocols with data 
members, because those attributes could be set in __init__. I propose to relax 
this restriction to allow protocols with ClassVar members, as those should be 
present in the class definition.

I'm unsure if I need to update PEP 544 too. I don't remember if PEPs can be 
updated when 'Accepted', or was it 'Final' PEPs that can't be updated anymore?

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components: Library (Lib)
messages: 400059
nosy: Jelle Zijlstra, gvanrossum, kj
priority: normal
severity: normal
status: open
title: [typing] Runtime protocols with ClassVar data members should support 
issubclass
type: enhancement
versions: Python 3.11

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[issue44975] [typing] Runtime protocols with ClassVar data members should support issubclass

[Ken Jin]

Change by Ken Jin :


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[issue44547] fraction.Fraction does not implement __int__.

[Mark Dickinson]

Mark Dickinson  added the comment:

I think there's no reason not to keep __trunc__ and math.trunc - they're 
natural counterparts to floor and ceil, and there's probably at least some code 
out there already using math.trunc.

It's the involvement of __trunc__ in the int() builtin that I'd quite like to 
deprecate and eventually remove. I think at this point it complicates the 
object model for no particularly good reason. But this is getting off-topic for 
this issue; I'll open a new one.

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[issue41620] Python Unittest does not return results object when the test is skipped

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

It is a bug because there is a difference between the following cases:

@skip("skipped")
def test1(self):
...

@other_decorator
@skip("skipped")
def test2(self):
...

def test2(self):
self.skipTest("skipped")
...

None is only returned in the first case. In other two cases a TestResult is 
returned with information about skipping.

It is obvious that it was unintentionally.

I just have fixed similar bug about calling stopTestRun() (issue44955).

Iman, please add tests and a NEWS entry. You can use tests added in issue44955 
as an example.

--
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stage:  -> test needed
type:  -> behavior
versions: +Python 3.10, Python 3.9

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[issue44976] [sqlite3] lazy creation of result rows

[Erlend E. Aasland]

New submission from Erlend E. Aasland :

Currently, we build the first result row in the _pysqlite_query_execute() loop 
if sqlite3_step() returned SQLITE_ROW. When the user asks for a row (for 
example, using sqlite3.Cursor.fetchone()), this pre-built row is returned, and 
the next row is prepared.

Suggesting to lazily build result rows instead.

Cons:
- no result tuples are built unless sqlite3.Cursor.fetch*() is called
- no need to keep the next result row (tuple) in pysqlite_Cursor; rows are 
built on demand
- pysqlite_cursor_iternext() is vastly simplified (50% less lines of code)
- the main loop in _pysqlite_query_execute() is further simplified

Cons:
- code churn


git diff main --shortstat: 2 files changed, 29 insertions(+), 58 deletions(-)

--
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status: open
title: [sqlite3] lazy creation of result rows
type: enhancement

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[issue44976] [sqlite3] lazy creation of result rows

[Erlend E. Aasland]

Change by Erlend E. Aasland :


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[issue44977] Deprecate delegation of int to __trunc__?

[Mark Dickinson]

New submission from Mark Dickinson :

The int constructor, when applied to a general Python object `obj`, first looks 
for an __int__ method, then for an __index__ method, and then finally for a 
__trunc__ method.

The delegation to __trunc__ used to be useful: it meant that users could write 
a custom class SomeNumber with the property that:

- SomeNumber instances supported 'int' calls, returning a truncated value, but
- SomeNumber instances weren't usable in indexing, chr() calls, and all the 
various other calls that implicitly invoked __int__.

class SomeNumber:
def __trunc__(self):
   

However, with Python >= 3.10, we no longer use __int__ implicitly for argument 
conversion in internal code. So the second point above is no longer a concern, 
and SomeNumber can now simply be written as

class SomeNumber:
def __int__(self):
   

This decouples int from __trunc__ and leaves __trunc__ as simply the support 
for the math.trunc function.

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title: Deprecate delegation of int to __trunc__?

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[issue44977] Deprecate delegation of int to __trunc__?

[Mark Dickinson]

Mark Dickinson  added the comment:

> This decouples int from __trunc__ and leaves __trunc__ as simply the support 
> for the math.trunc function.

Argh; copy and paste fail - I left out the crucial line.

I propose deprecating the delegation of int to __trunc__: calls to int(a) where 
type(a) implements __trunc__ but not __int__ or __index__ would raise a 
DeprecationWarning, and at some point in the future int(a) would become a 
TypeError.

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[issue44976] [sqlite3] lazy creation of result rows

[Erlend E. Aasland]

Erlend E. Aasland  added the comment:

Historical note:
The current behaviour was introduced in pysqlite v2.0.2 (May 21 2005), in order 
to be able to finalise statements and thus close cursors as soon as possible. 
However, that effect was cancelled just after a couple of months, by the 
addition of the LRU cache and the ability to reuse prepared statements.

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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Dong-hee Na]

Change by Dong-hee Na :


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[issue44978] Argument Clinic should not exclude __complex__ methods

[Mark Dickinson]

New submission from Mark Dickinson :

The argument clinic currently refuses to handle a __complex__ method. However, 
unlike __int__ and __float__, __complex__ should require no special handling by 
the argument clinic, since there's no dedicated slot for the __complex__ method.

PR arriving shortly.

--
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status: open
title: Argument Clinic should not exclude __complex__ methods
type: behavior
versions: Python 3.11

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[issue44978] Argument Clinic should not exclude __complex__ methods

[Mark Dickinson]

Change by Mark Dickinson :


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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Mark Dickinson]

Mark Dickinson  added the comment:

If the goal is to have `isinstance(obj, typing.SupportsComplex)` pass for 
objects that are convertible to complex, then we'll need `int.__complex__` and 
`float.__complex__` implementations as well as `complex.__complex__`.

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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Mark Dickinson]

Mark Dickinson  added the comment:

> [...] we'll need `int.__complex__` and `float.__complex__` implementations as 
> well as `complex.__complex__`.

The real problem here is that the "typing.SupportsComplex" protocol isn't a 
good match for code that needs to know that a given value `x` can be treated as 
though it were a complex number.

The test that best matches "usable as a complex number" seems to be that 
type(x) implements at least one of `__index__`, `__float__` or `__complex__`, 
or that `x` is a subclass of complex.

It looks to me as though the right thing to do here is to just implement 
complex.__complex__, but not int.__complex__ or float.__complex__.  Then at 
least we can remove the subclass test from the above and express the test 
purely in terms of special methods: __index__, __float__ and __complex__. And 
then perhaps it's for the typing module to find a more convenient way to 
express the union of typing.SupportsIndex, typing.SupportsFloat and 
typing.SupportsComplex.

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[issue44978] Argument Clinic should not exclude __complex__ methods

[Mark Dickinson]

Mark Dickinson  added the comment:


New changeset c5c3fbe2a16a8fcb77eb98eda53efb3e03b863ca by Mark Dickinson in 
branch 'main':
bpo-44978: allow Argument Clinic to handle __complex__ special methods 
(GH-27886)
https://github.com/python/cpython/commit/c5c3fbe2a16a8fcb77eb98eda53efb3e03b863ca


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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Mark Dickinson]

Change by Mark Dickinson :


--
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[issue44913] segfault in call to embedded PyModule_New

[Madhu]

Madhu  added the comment:

*  hai shi  
<1629603770.32.0.682495978946.issue44...@roundup.psfhosted.org>
Wrote on Sun, 22 Aug 2021 03:42:50 +

> hai shi  added the comment:

> How about this one?
>
>   if (!Py_IsInitialized()) {
> return -1;
>   }

[When this extension is loaded into a C program rather than a python
script, then Python should be initialized here rather than quitting]

>   PyGILState_STATE state = PyGILState_Ensure();
>   PyObject *module_handle = PyModule_New(module_name);
>   if (module_handle == 0)
>   {
> fprintf(stderr,"PyModule_New(module_data_name=%s) failed\n",
> module_name);
> exit(1);
>   }
>   fprintf(stdout, "point is: %p\n", module_handle);
>   fprintf(stderr, "foo END\n");
>   PyGILState_Release(state);

Yes. Thanks. Calling PyGILState_Ensure and PyGILState_Release around
the call to PyModule_New does avoid the segfault.

It is a little tricky to do this in pam-python - because although
there is one entrypoint into the extension (which can be wrapped
within the calls to PyGILState_Ensure/Release), python is initialized
within that entrypoint, but I think this can be solved another way.

Thanks

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[issue44978] Argument Clinic should not exclude __complex__ methods

[Mark Dickinson]

Change by Mark Dickinson :


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[issue32082] atexit module: allow getting/setting list of handlers directly

[Mark Dickinson]

Mark Dickinson  added the comment:

Thanks, Irit. Should we close this issue as a duplicate? It's not identical 
(being able to modify the list of handlers versus just being able to inspect 
it), but it's pretty close.

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[issue44019] operator.call/operator.__call__

[Antony Lee]

Change by Antony Lee :


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[issue39511] [subinterpreters] Per-interpreter singletons (None, True, False, etc.)

[Mark Dickinson]

Change by Mark Dickinson :


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[issue27901] DOC: inspect.ismethod returns different results on the same basic code between Python2.7 Python3.5

[Mark Dickinson]

Change by Mark Dickinson :


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[issue39301] Specification of bitshift on integers should clearly state floor division used

[Mark Dickinson]

Mark Dickinson  added the comment:

Closing; I think this is addressed.

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[issue37082] Assignment expression symbol (walrus) not in built-in help()

[Mark Dickinson]

Change by Mark Dickinson :


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[issue44977] Deprecate delegation of int to __trunc__?

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Completely agree.

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[issue44977] Deprecate delegation of int to __trunc__?

[Raymond Hettinger]

Raymond Hettinger  added the comment:

Afterwards, do __trunc__ and math.trunc() still need to exist?

They were mostly unused.  Now they would also be unnecessary.  Just having them 
around would be a point of confusion.

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[issue44979] pathlib: support relative path construction

[Kirill Pinchuk]

New submission from Kirill Pinchuk :

Hi. I've been using this snippet for years and believe that it would be a nice 
addition to pathlib's functionality.

Basically, it allows constructing path relative to the current file (instead of 
cwd). Comes quite handy when you're working with deeply nested resources like 
file fixtures in tests and many other cases.

```
@classmethod
def relative(cls, path, depth=1):
"""
Return path that is constructed relatively to caller file.
"""
base = Path(sys._getframe(depth).f_code.co_filename).parent
return (base / path).resolve()
```

--
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messages: 400075
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title: pathlib: support relative path construction
type: enhancement
versions: Python 3.11

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[issue44934] Windows installer: Append Python to PATH instead of prepending it

[Bastian Neuburger]

Change by Bastian Neuburger :


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[issue44977] Deprecate delegation of int to __trunc__?

[Mark Dickinson]

Mark Dickinson  added the comment:

A GitHub code search shows a substantial number of uses of math.trunc out in 
the wild:

https://github.com/search?q=math.trunc+extension%3Apy&type=Code

So unfortunately, getting rid of math.trunc and __trunc__ looks a bit too much 
as though it would cause gratuitous breakage.

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[issue44979] pathlib: support relative path construction

[Kirill Pinchuk]

Change by Kirill Pinchuk :


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[issue44934] Windows installer: Append Python to PATH instead of prepending it

[Bastian Neuburger]

Bastian Neuburger  added the comment:

Steve, I signed the CLA and created the PR, I don't know how long it takes 
until the info that the CLA is signed is propagated to bpo or github.

Regarding failed builds: I will try to build again tomorrow when back at the 
office and can copy the errors, how would you like to receive them?

For building I spun up a MS Windows 10 Edge Test VM, installed Visual Studio 
2019 and then tried to run get_externals.bat; that already failed since the 
nuget config was empty and thus had no upstreams configured. Maybe this problem 
stems from the free test VM. After editing the nuget config, that script worked 
out fine and then I run build.bat, which seemed to be quite busy for at least 
10 minutes, then I left my office. Upon return I saw plenty of errors.

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[issue44977] Deprecate delegation of int to __trunc__?

[Raymond Hettinger]

Raymond Hettinger  added the comment:

Possibly, we could have math.trunc() call __int__, letting us deprecate 
__trunc__.

That would let users avoid gratuitous aliasing such as that in _pydecimal.py:

   __trunc__ = __int__

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[issue44977] Deprecate delegation of int to __trunc__?

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

I do not think that math.trunc() for UUID or IP4Address makes sense.

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[issue44977] Deprecate delegation of int to __trunc__?

[Mark Dickinson]

Mark Dickinson  added the comment:

I think the needs are sufficiently different that __trunc__ still has value as 
its own thing, and it's a natural counterpart to __floor__ and __ceil__ (out of 
all the directed rounding modes, rounding towards zero probably turns up more 
often than rounding towards +inf or -inf).

__int__ has the disadvantage that it must return an int, so it's not useful for 
other Python-based numeric systems with their own rational number / integer 
pairing. For example, with gmpy2, truncating an mpq instance returns an mpz 
instance, which is what I'd expect and want - if I'm working with huge values 
then it would be annoying for math.trunc to do the inefficient thing and return 
a plain int.

>>> from gmpy2 import mpq
>>> math.trunc(mpq(22, 7))
mpz(3)

SymPy behaves similarly:

>>> from sympy import Rational
>>> type(math.trunc(Rational(22, 7)))


On the other side, there are conversions to integer that it doesn't make sense 
to think of as truncation. It would be odd for a UUID to be a valid input to 
math.trunc, for example:

>>> int(uuid.uuid4())
43341414945793370480422623795805641537

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[issue44973] @classmethod can be stacked on @property, but @staticmethod cannot

[Raymond Hettinger]

Raymond Hettinger  added the comment:

The classmethod and staticmethod decorators have somewhat different semantics.  
Accessing a classmethod with C.cm creates a bound method object which has both 
__call__ and __get__.  In contrast, accessing a staticmethod with C.sm returns 
the underlying function.  So there is no opportunity for a customized __get__ 
method as we have with classmethod.

Also, even if C.sm did return a custom descriptor, the code example still can't 
be made to work because the __get__ method on property objects is hardwired to 
pass in an instance.¹  That means that the underlying method must have a "self" 
argument.  

Another issue is that properties have __set__ and __delete__ methods which 
could not be made to work without a reference to the class or instance.

To make a read-only class variable, a metaclass would be needed.  While it is 
possible to write a descriptor to make C.FINE_STRUCTURE_CONSTANT call a 
function that returns 1/137, there is no way for the descriptors to block the 
assignment:  C.FINE_STRUCTURE_CONSTANT = 1 / 100

Thanks for the suggestion, but I don't think this can be made to work.  

¹ https://docs.python.org/3/howto/descriptor.html#properties

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[issue44977] Deprecate delegation of int to __trunc__?

[Raymond Hettinger]

Raymond Hettinger  added the comment:

I retract the suggestion to deprecate __trunc__.

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[issue44973] @classmethod can be stacked on @property, but @staticmethod cannot

[Raymond Hettinger]

Change by Raymond Hettinger :


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[issue44980] Clean up a few tests that return a value!=None

[Andrei Kulakov]

New submission from Andrei Kulakov :

In #41322 the behavior of returning a value!=None from test methods was 
deprecated, there are currently a few tests in Python that do that; it would be 
good to fix them to be consistent with our deprecation requirement and to avoid 
deprecation warnings in test runs; it may also possibly surface unexpected 
issues when reviewing these tests.

- there are two distutils tests - test_quiet and test_no_optimize_flag -- 
probably not worth it to investigate them as distutils is set for removal in 
3.12

- test_null_strings in CAPI

- test_constructor in test_code

I'll try to fix the two tests above today.

--
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messages: 400083
nosy: andrei.avk
priority: normal
severity: normal
status: open
title: Clean up a few tests that return a value!=None

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[issue44955] Method stopTestRun() is not always called for skipped tests

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset 4e5162fd369baf25dd16a42ccd0fa7756744f4d0 by Miss Islington (bot) 
in branch '3.9':
bpo-44955: Always call stopTestRun() for implicitly created TestResult objects 
(GH-27831) (GH-27882)
https://github.com/python/cpython/commit/4e5162fd369baf25dd16a42ccd0fa7756744f4d0


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[issue44940] Clarify the documentation of re.findall()

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset d006392245c904547e5727144235c2f9d7948e96 by Miss Islington (bot) 
in branch '3.9':
bpo-44940: Clarify the documentation of re.findall() (GH-27849) (GH-27880)
https://github.com/python/cpython/commit/d006392245c904547e5727144235c2f9d7948e96


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[issue44940] Clarify the documentation of re.findall()

[Serhiy Storchaka]

Change by Serhiy Storchaka :


--
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versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.8

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[issue44955] Method stopTestRun() is not always called for skipped tests

[Serhiy Storchaka]

Change by Serhiy Storchaka :


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[issue44926] typing.get_type_hints() raises for type aliases with forward references

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 9ffe582a018a2babd14e874ae2b169370633fe33 by Miss Islington (bot) 
in branch '3.10':
bpo-44926: `get_type_hints`: Add note about type aliases with forward refs 
(GH-27859) (GH-27860)
https://github.com/python/cpython/commit/9ffe582a018a2babd14e874ae2b169370633fe33


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[issue41322] unittest: deprecate test methods returning non-None values

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset b1db308c6114bb18c06656c94c0ffa73ba954977 by andrei kulakov in 
branch 'main':
bpo-41322: Add unit tests for deprecation of test return values (GH-27846)
https://github.com/python/cpython/commit/b1db308c6114bb18c06656c94c0ffa73ba954977


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset d1049d1d6b43296d4db1aa8668aa4ca807bf7adb by Mark Roseman in 
branch 'main':
bpo-42560: rework external references in Tkinter docs (GH-27838)
https://github.com/python/cpython/commit/d1049d1d6b43296d4db1aa8668aa4ca807bf7adb


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 141c7a4fce8def67baa9d24f542c105b8502893e by Mark Roseman in 
branch 'main':
bpo-42560: tweaks to intro of Tkinter docs- add macOS, drop ActiveState 
(GH-27835)
https://github.com/python/cpython/commit/141c7a4fce8def67baa9d24f542c105b8502893e


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[issue42560] Improve Tkinter Documentation

[miss-islington]

Change by miss-islington :


--
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nosy_count: 12.0 -> 13.0
pull_requests: +26346
pull_request: https://github.com/python/cpython/pull/27891

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[issue42560] Improve Tkinter Documentation

[miss-islington]

Change by miss-islington :


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[issue43913] unittest module cleanup functions not run unless tearDownModule() is defined

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Functions registered with TestCase.addClassCleanup are called because TestCase 
has default implementation of tearDownClass. But you can suppress it by setting 
tearDownClass = None. So there is a similar issue with class cleanup functions.

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[issue43913] unittest module cleanup functions not run unless tearDownModule() is defined

[Serhiy Storchaka]

Change by Serhiy Storchaka :


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Change by Łukasz Langa :


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[issue42560] Improve Tkinter Documentation

[miss-islington]

Change by miss-islington :


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset d5dbe8bca792350f4997c027535e0ca498abd1bb by Mark Roseman in 
branch 'main':
 bpo-42560: reorganize Tkinter docs modules section for clarity (GH-27840)
https://github.com/python/cpython/commit/d5dbe8bca792350f4997c027535e0ca498abd1bb


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[issue42560] Improve Tkinter Documentation

[miss-islington]

Change by miss-islington :


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Change by Łukasz Langa :


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pull_request: https://github.com/python/cpython/pull/27896

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[issue44957] typing docs: Mention PEP 604 syntax more prominently

[miss-islington]

Change by miss-islington :


--
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nosy_count: 5.0 -> 6.0
pull_requests: +26352
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[issue44957] typing docs: Mention PEP 604 syntax more prominently

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset dabb6e8ddd7626266184ba022bcb76f74196248f by Sebastian Rittau in 
branch 'main':
bpo-44957: Promote PEP 604 syntax in typing docs (GH-27833)
https://github.com/python/cpython/commit/dabb6e8ddd7626266184ba022bcb76f74196248f


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[issue42560] Improve Tkinter Documentation

[miss-islington]

miss-islington  added the comment:


New changeset 61ecd3e593e05c3d84adf5640458a01f8550aa74 by Miss Islington (bot) 
in branch '3.10':
bpo-42560: tweaks to intro of Tkinter docs- add macOS, drop ActiveState 
(GH-27835)
https://github.com/python/cpython/commit/61ecd3e593e05c3d84adf5640458a01f8550aa74


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset e74cf8667d7d73e6cacd5d0aedcecbd20e711d6a by Miss Islington (bot) 
in branch '3.9':
bpo-42560: tweaks to intro of Tkinter docs- add macOS, drop ActiveState 
(GH-27835) (GH-27892)
https://github.com/python/cpython/commit/e74cf8667d7d73e6cacd5d0aedcecbd20e711d6a


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[issue42560] Improve Tkinter Documentation

[miss-islington]

miss-islington  added the comment:


New changeset 4d1e74f352d8bf70b726b373e19fd21274899d8e by Miss Islington (bot) 
in branch '3.10':
bpo-42560: reorganize Tkinter docs modules section for clarity (GH-27840)
https://github.com/python/cpython/commit/4d1e74f352d8bf70b726b373e19fd21274899d8e


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 8e90f15ac88c66ddb7b084bb5780a126d35168af by Łukasz Langa in 
branch '3.10':
[3.10] bpo-42560: rework external references in Tkinter docs (GH-27838) 
(GH-27893)
https://github.com/python/cpython/commit/8e90f15ac88c66ddb7b084bb5780a126d35168af


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset c579f0ba62974b90f348e50088e4c036e281f45e by Łukasz Langa in 
branch '3.9':
[3.9] bpo-42560: rework external references in Tkinter docs (GH-27838) 
(GH-27896)
https://github.com/python/cpython/commit/c579f0ba62974b90f348e50088e4c036e281f45e


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[issue42560] Improve Tkinter Documentation

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 986750be5c7914f4b0120f5627fe848dcced103b by Miss Islington (bot) 
in branch '3.9':
bpo-42560: reorganize Tkinter docs modules section for clarity (GH-27840) 
(GH-27895)
https://github.com/python/cpython/commit/986750be5c7914f4b0120f5627fe848dcced103b


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[issue44980] Clean up a few tests that return a value!=None

[Andrei Kulakov]

Change by Andrei Kulakov :


--
keywords: +patch
pull_requests: +26353
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/27898

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[issue4442] document immutable type subclassing via __new__

[miss-islington]

Change by miss-islington :


--
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pull_requests: +26354
pull_request: https://github.com/python/cpython/pull/27899

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[issue4442] document immutable type subclassing via __new__

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset eec340ea3af27887fcaac4029ebdee99f3713bff by Raymond Hettinger in 
branch 'main':
bpo-4442:  Document use of __new__ for subclasses of immutable types (GH-27866)
https://github.com/python/cpython/commit/eec340ea3af27887fcaac4029ebdee99f3713bff


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[issue4442] document immutable type subclassing via __new__

[Łukasz Langa]

Change by Łukasz Langa :


--
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pull_request: https://github.com/python/cpython/pull/27900

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[issue4442] document immutable type subclassing via __new__

[miss-islington]

miss-islington  added the comment:


New changeset 0627918f0b69a15aa16e4ccbb5d8eaae4f6a2caf by Miss Islington (bot) 
in branch '3.10':
bpo-4442:  Document use of __new__ for subclasses of immutable types (GH-27866)
https://github.com/python/cpython/commit/0627918f0b69a15aa16e4ccbb5d8eaae4f6a2caf


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[issue17359] Mention "__main__.py" explicitly in command line docs

[Jack DeVries]

Change by Jack DeVries :


--
keywords: +patch
nosy: +jack__d
nosy_count: 8.0 -> 9.0
pull_requests: +26356
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/26883

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[issue24632] Improve documentation about __main__.py

[Jack DeVries]

Change by Jack DeVries :


--
keywords: +patch
nosy: +jack__d
nosy_count: 11.0 -> 12.0
pull_requests: +26357
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/26883

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[issue44938] Expose PyErr_ChainExceptions in the stable API

[Chris Jerdonek]

Chris Jerdonek  added the comment:

I agree with Serhiy that this API isn't necessarily the right one. It's just 
what happens to be there now. Also, we're still not clear on our stance towards 
cycles (see the issue25782 discussion). (Maybe the exposed version should 
result in an error if it would cause a cycle to be created.) Someone would need 
to think through what the API should be, though.

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[issue44957] typing docs: Mention PEP 604 syntax more prominently

[Łukasz Langa]

Łukasz Langa  added the comment:

Thanks, Sebastian! ✨ 🍰 ✨

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[issue4442] document immutable type subclassing via __new__

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset ac87b07a10e0ba2834e8de9cf0ea29a40fd882b1 by Łukasz Langa in 
branch '3.9':
[3.9] bpo-4442:  Document use of __new__ for subclasses of immutable types 
(GH-27866) (GH-27900)
https://github.com/python/cpython/commit/ac87b07a10e0ba2834e8de9cf0ea29a40fd882b1


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[issue4442] document immutable type subclassing via __new__

[Łukasz Langa]

Łukasz Langa  added the comment:

Thanks for the patch, Raymond! ✨ 🍰 ✨

--
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stage: patch review -> resolved
status: open -> closed
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3.3

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[issue44980] Clean up tests that return a value that isn't None

[Łukasz Langa]

Change by Łukasz Langa :


--
title: Clean up a few tests that return a value!=None -> Clean up tests that 
return a value that isn't None

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[issue41322] unittest: deprecate test methods returning non-None values

[Łukasz Langa]

Łukasz Langa  added the comment:

This can be re-closed. Deprecation warnings raised by the test suite are being 
fixed in BPO-44980 which already has an open pull request.

--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue44981] `module has no attribute` when `__all__` includes certain unicode characters

[Kolen Cheung]

New submission from Kolen Cheung :

With Python 3.9.6 on macOS,

In a file all_bug.py,

```py
__all__ = ("ϵ",)
ϵ = "ϵ"
```

Then run `from all_bug import *`, resulted in

AttributeError: module 'all_bug' has no attribute 'ϵ'

This happens with some other unicode characters as well, but not all. I can 
provide them if needed.

Removing the `__all__` line will successfully import ϵ and be used.

--
messages: 400106
nosy: christian.kolen
priority: normal
severity: normal
status: open
title: `module has no attribute` when `__all__` includes certain unicode 
characters
type: behavior
versions: Python 3.9

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[issue44938] Expose PyErr_ChainExceptions in the stable API

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

As long as the cycles don't actually end in a crash or an infinite cycle, I 
think is fine to not include them in the contact.

Even if that were included I don't think is actually a problem. Many APIs in C 
or C++ require the user to not form cycles, for instance, shared pointers in 
the c++ stdlib.

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[issue44979] pathlib: support relative path construction

[Eric V. Smith]

Eric V. Smith  added the comment:

To be clear, by "file", you mean python source file, or I guess .pyc file if 
only that exists. I can't say I've given it much thought. What about built-in 
modules? Or frozen modules?

I'm not sure this is a great idea. In general, we've frowned on code that uses 
sys._getframe, and in particular that looks arbitrarily up the stack.

At the very least, you should find out if other python implementations can use 
this function.

I suggest bringing this up on the python-ideas mailing list.

--
nosy: +eric.smith

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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Guido van Rossum]

Guido van Rossum  added the comment:

What about __bytes__?

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[issue44981] `module has no attribute` when `__all__` includes certain unicode characters

[Eric V. Smith]

Eric V. Smith  added the comment:

Python normalizes identifiers with NFKC (see PEP 3131):

>>> e0 = "ϵ"
>>> import unicodedata
>>> e1 = unicodedata.normalize("NFKC", e0)
>>> e0 == e1
False
>>> unicodedata.name(e0)
'GREEK LUNATE EPSILON SYMBOL'
>>> unicodedata.name(e1)
'GREEK SMALL LETTER EPSILON'

If you use GREEK SMALL LETTER EPSILON as your identifier, you should be okay.

--
nosy: +eric.smith
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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[issue44981] `module has no attribute` when `__all__` includes certain unicode characters

[Steven D'Aprano]

Steven D'Aprano  added the comment:

Eric, I think you may have been too hasty to close this as "not a bug".

It has tripped people up before. See #41542 which has also been closed (I also 
think prematurely).

We normalise variable names with NFKC, so we should normalise the values in 
__all__ as well, at least when doing an import.

Note that this is different from #42680 where the right answer is just to 
document. We shouldn't normalise strings as dict keys.

--
nosy: +steven.daprano

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[issue44981] `module has no attribute` when `__all__` includes certain unicode characters

[Eric V. Smith]

Eric V. Smith  added the comment:

I'd be okay with changing it to a 3.11 enhancement to normalize elements of 
__all__, or maybe a request to change the documentation.

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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Dong-hee Na]

Dong-hee Na  added the comment:

@guido

>>> issubclass(bytes, typing.SupportsBytes)
False

IMHO, supporting is reasonable.

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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Guido van Rossum]

Guido van Rossum  added the comment:

So let’s add that in a separate PR.
-- 
--Guido (mobile)

--

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[issue34234] Use _PyAnyInt_Check() and _PyAnyInt_CheckExact() in 2.7

[Dong-hee Na]

Change by Dong-hee Na :


--
nosy: +corona10
nosy_count: 2.0 -> 3.0
pull_requests: +26358
pull_request: https://github.com/python/cpython/pull/27901

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[issue24234] Should we define complex.__complex__ and bytes.__bytes__?

[Dong-hee Na]

Change by Dong-hee Na :


--
pull_requests: +26359
pull_request: https://github.com/python/cpython/pull/27901

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[issue34234] Use _PyAnyInt_Check() and _PyAnyInt_CheckExact() in 2.7

[Dong-hee Na]

Change by Dong-hee Na :


--
pull_requests:  -26358

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[issue41102] ZipFile.namelist() does not match the actual files in .zip file

[Andrei Kulakov]

Andrei Kulakov  added the comment:

Liu: Thanks!

Google zip also shows 674 files in this archive, so it appears that it's not a 
Python-only issue. Can you test it with a few zip programs, ideally on a 2 or 
more platforms, and check which of them report more than 674 files?

(I simply opened the google drive link and google showed the listing and the 
total # of 674 files)

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