Alexander Kanavin added the comment:
We have long ago updated to a much newer python and removed the workaround, so
the whatever the issue was, it is completely obsolete. Thanks!
--
resolution: -> works for me
stage: -> resolved
status: open -&g
Alexander Kanavin added the comment:
(removed both the workaround, and regen-all itself)
--
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___
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Change by Alexander Mohr :
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Change by Alexander Belopolsky :
--
dependencies: +Add timezone support to datetime C API
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New submission from Alexander Hirner :
At runtime, we want to check whether objects adhere to a data protocol. This is
not possible due to problematic interactions between ABC and @dataclass.
The attached file tests all relevant yet impossible cases. Those are:
1) A(object): Can't chec
Alexander Hirner added the comment:
Here, nothing but less boiler plate.
Wouldn't it pay off to not rewrite dataclass features like frozen, replace,
runtime refelection and the ability to use dataclass aware serialization
libraries (e.g. pydantic)? I think @dataclass+@abstractpro
Alexander Hirner added the comment:
Pardon my sloppiness.
1. That should have been PEP 544. The last point referred to the notion of data
protocols [0].
2. I think solving this issue for dataclasses would ensure better composition
with modern libraries and other idioms like Protocol and
Alexander Hirner added the comment:
We construct a computational graph and need to validate (or search for possible
new) edges at runtime. The data is specific to computer vision. One example is
clipping geometry within 2D boundaries. A minimal implementation of this data
would be
Alexander Hirner added the comment:
Dropping ABCMeta stops at instantiation. This should be in the dataclass code
that's been generated.
File "", line 2, in __init__
AttributeError: can't set attribute
Repro:
```
class QuasiABC:
@property
@abstractmethod
Alexander Hirner added the comment:
This results in E(x=None).
I'd need to look into that to understand why.
--
Added file: https://bugs.python.org/file48817/dc2_repro.py
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Alexander Hirner added the comment:
In that case, what should the getter return? It doesn't know about the
implementation of x.
Maybe I'm not getting the idea behind adding getters/setters.
--
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Python tracker
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New submission from Alexander McFarlane :
If `logger_name` is a hierarchy format (e.g. `logger_name = 'parent.child'`)
and the logger name `'parent'` has not been created, the function call
`logging.getLogger(logger_name)` will create all loggers in the hierarchy (i
New submission from Alexander Böhn :
Currently, the `reprlib.recursive_repr(…)` decorator allows a “fillvalue”
parameter to be specified by the user. This is a string value that is used as a
placeholder when calculating an objects’ repr – in the case of
`recursive_repr(…)` the “fillvalue
Change by Alexander Böhn :
--
keywords: +patch
pull_requests: +17716
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/18343
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Change by Alexander Böhn :
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components: +Tests
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New submission from Alexander Belopolsky :
Let g be a an invalid time in New York spring-forward gap:
>>> g = datetime(2020, 3, 8, 2, 30)
According to PEP 495, conversion of such instance to UTC should return a value
that corresponds to a valid local time greater than g, but
Alexander Belopolsky added the comment:
> On Mar 2, 2020, at 6:33 PM, Gregory P. Smith wrote:
>
> Change that default to any old year with a leap year (1904?)
In the 21st century, the year 2000 default makes much more sense than 1900.
Luckily 2000 is also a
Alexander Stohr added the comment:
Ubuntu 16.04 in a very bare naked setup.
Similar/same problem profile by message and other lines in the log.
Installed libffi6 and libffi-dev => worked.
Not sure if both were needed (or interdependent, 2nd to 1st).
--
nosy: +Alexander St
Alexander Belopolsky added the comment:
I am sure this has been reported before – I will try to find the relevant
issue. This behavior is correct and documented. The only improvement that we
can consider is to make it more explicit that utcnow is deprecated and the
correct way to obtain
Alexander Belopolsky added the comment:
This is a duplicate of issue 33293.
--
superseder: -> Using datetime.datetime.utcnow().timestamp() in Python3.6.0
can't get correct UTC timestamp.
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Change by Alexander Belopolsky :
--
resolution: wont fix -> duplicate
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Alexander Riccio added the comment:
Ok, so I finally have some proper time to work on this. How would people (who
are higher up in python than me, obviously) feel about suppressing most of the
warnings via a user macro in Visual Studio? I've found that it's quite easy to
add a ma
New submission from Alexander Riccio :
growable_comment_array_add in parsetok.c incorrectly uses realloc, which leaks
the array when allocation fails, and then causes a null pointer deref crash
later when the array is freed in growable_comment_array_deallocate (the array
pointer is
Alexander Riccio added the comment:
Sidenote: visual studio was misleading and made this look like a use-after-free
for a little while, which was interesting.
--
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Change by Alexander Riccio :
--
keywords: +patch
pull_requests: +18442
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/19083
___
Python tracker
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Alexander Hirner added the comment:
@paul j3
FWIW, popping optionals from a cache that is maintained in addition to
self._actions, makes special conflict handling unnecessary.
i.e.:
for option_string in a.option_strings:
parser._option_string_actions.pop(option_string
New submission from Alexander Bolshakov :
isoformat function does not conform to the ISO 8601 and drops microseconds part
if its value is 00.
The issue can be reproduced using the following code snippet:
for i in range(1,1000):
timestamp=datetime.datetime.utcnow().isoformat
Change by Alexander Bolshakov :
--
resolution: -> not a bug
stage: -> resolved
status: open -> closed
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Python tracker
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New submission from Alexander Riccio :
At line 138 in debughelpers.c, ssl_obj, which was set to NULL on line 122, is
dereferenced.
I think the original intent was to actually bubble the error up through the ssl
object.
Full function:
static void
_PySSL_keylog_callback(const SSL *ssl
New submission from Alexander Riccio :
While trying to make sense of some static analysis warnings for the Windows
console IO module, I Ctrl+C'd in the middle of an intentionally absurd __repr__
output, and on proceeding in the debugger (which treated it as an exception), I
immediatel
Alexander Riccio added the comment:
Lmao the name mangling comes up as a mailto. That's interesting.
--
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Alexander Riccio added the comment:
Hmmm, happens every time I interrupt while attached. Is there some obvious
gotcha in the docs that I'm missing?
--
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Alexander Riccio added the comment:
Sure, should I open a new issue?
--
nosy: -vstinner
resolution: -> fixed
stage: patch review -> resolved
status: open -> closed
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Python tracker
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Alexander Riccio added the comment:
Ok, so a draft of this produces 34 warnings, but makes way more changes to the
.vcxproj and .filters files than I think it should:
https://github.com/ariccio/cpython/commit/60152aa065a3ad861f0359a8ada7f2fbc83a3933
Before I submit a PR, I think I should
New submission from Alexander Riccio :
The "obvious" way to delete a directory tree on Windows is wrong. It's
inherently racy, since deleting a file on Windows *doesn't actually delete it*,
instead it marks the file for deletion. The system will eventually get around
New submission from Alexander Riccio :
I've tweaked the pcbuild options for pyshellext to reduce the size of the
binary.
Since this is a very simple component, there really isn't much benefit of
optimizing for speed, likely the slowest part of this component's lifetime is
si
Change by Alexander Riccio :
--
keywords: +patch
pull_requests: +18642
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/19284
___
Python tracker
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Alexander Riccio added the comment:
If this patch is merged, and all 7 million (estimated) Python developers update
their installation, I calculate that I just saved the PSF 119GB worth of
bandwidth costs :)
I'll take my 10 cents in the mail plea
New submission from Alexander Riccio :
This popped out at me while looking for something else. It's probably not much
of an actual problem, since the wrong datatype is larger than the correct one,
but it's worth fixing.
The problem is in overlapped_RegisterWaitWithQueue, at overla
New submission from Alexander Riccio :
Similarly to bpo-40145, I've tweaked build options to reduce the size of the
binary.
This patch turns on (for release builds) Whole Program Optimization, MinSpace
optimization, /Ob2 AnySuitable function inlining, /Zo (so that people can still
deb
Change by Alexander Riccio :
--
keywords: +patch
pull_requests: +18658
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/19298
___
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Change by Alexander Riccio :
--
pull_requests: +18659
pull_request: https://github.com/python/cpython/pull/19298
___
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New submission from Alexander Riccio :
This isn't a priority issue I'd say. However, fixing it could yield nice
benefits. I ran into this while experimenting with JUMBO/Unity builds as part
of a bit of fun I've been having tweaking build options across the CPython
ecosystem.
Alexander Riccio added the comment:
Ahh, ok. Even though I question the usefulness of manually maintaining MSBuild
files instead of something like CMake, I can work with that. Is there a
preferred way to do it? It looks like I can do a
Condition="'$(Configuration)|$(Platform)'
Alexander Riccio added the comment:
Oh, uh, also, do you prefer I add a commit or a new branch & PR?
--
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Python tracker
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New submission from Alexander Overvoorde :
The following program frequently raises a ProcessLookupError exception when
calling proc.terminate():
```
import threading
import subprocess
import multiprocessing
proc = subprocess.Popen(["sh", "-c", "exit 0"])
q
Alexander Overvoorde added the comment:
I'm not sure that it is expected since Popen.send_signal does contain the
following check:
```
def send_signal(self, sig):
"""Send a signal to the process."""
# Skip signalling a process that we know has alre
Alexander Overvoorde added the comment:
I understand that it's not a perfect solution, but at least it's a little bit
closer. Thanks for your patch :)
--
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Change by Alexander Kurakin :
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nosy: +kuraga
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New submission from Alexander Greckov :
Hi! I've met strange behaviour related to the coroutine execution. Probably
it's somehow related to the asyncio.Queue get() method. I have the following
lines of code:
class WeightSource:
def __init__(self):
self._queue = asy
Alexander Greckov added the comment:
Thanks! That's resolved my problem, but this thing wasn't really obvious as for
me. Probably it would be better to write about this explicitly in docs for the
create_task. All in all this issue can
New submission from Alexander Vandenbulcke :
Consider the case where 2 files are shallow compared where only the mtime
differs (i.e. the mode and size is identical).
With filecmp.cmp(f1, f2, shallow=True) a deep compare would be performed behind
the scenes since the guard clauses fell
Change by Alexander Vandenbulcke :
--
keywords: +patch
pull_requests: +23067
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/24246
___
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Alexander Stepanov added the comment:
Another victim of this change in `venv` behavior is Ray, which hangs forever
because the workers fail to register as parent does not recognize their PIDs.
https://github.com/ray-project/ray/issues/13794
--
nosy: +nirvana-msu
Alexander Riccio added the comment:
Petition to remove all uses of the unchecked string handling functions from
CPython?
Sidenote: if C4996 was on, this would be a warning.
--
nosy: +Alexander Riccio
___
Python tracker
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Alexander Riccio added the comment:
Yes, I definitely should. I work on https://bugs.python.org/issue25878
sometimes, which encompasses this.
--
___
Python tracker
<https://bugs.python.org/issue42
Alexander Grigoriev added the comment:
@ericsun:
Windows calls the console event handler in a separate thread. The console event
handler receives CTRL_C_EVENT, CTRL_BREAK_EVENT, console close, logoff, system
shutdown events.
Originally, Windows devised an APC mechanism to simulate
Change by Alexander Mohr :
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nosy: +thehesiod
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Alexander Mohr added the comment:
as an FYI I've reproduced this with the httpx library as well:
https://repl.it/repls/PristineBonyBugs#main.py. It reproduces on this site but
I've been unable to reproduce it locally. It does always reproduce on our
production systems.
what
Alexander Mohr added the comment:
I've updated https://repl.it/@thehesiod/PristineBonyBugs#main.py to contain
both httpx + aiohttp testcases, and now httpx reproduces almost immediately and
aiohttp is still ok
--
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Alexander Mohr added the comment:
so I did some investigation into the difference between aiohttp + httpx and it
appears that for some reason httpx does an extra read after the connection is
closed.
--
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Python tracker
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New submission from Alexander Hungenberg :
The following testcase will always be marked as passed:
from unittest import TestCase
class BuggyTestCase(TestCase):
def test_generator(self):
self.assertTrue(False)
yield None
It happened to us that someone accidentally made
Alexander Hungenberg added the comment:
I would also strongly vote for raising an error if the test method is a
generator - not even silently turn it into a list.
It would be straight forward to implement various checks (like the ones you
mentioned for generators, coroutines, ...) - and
New submission from Alexander Sibiryakov :
See stack trace
[07/15/2020 08:51:14.799: ERROR/kafka.producer.sender] Uncaught error in kafka
producer I/O thread
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/kafka/producer/sender.py", line
New submission from Alexander Heger :
Passing an empty string to pathlib.Path.glob fails.
Example
```
from pathlib import Path
path = Path('./myfile.txt')
path.glob('')
```
The result is:
```
~/Python/lib/python3.8/pathlib.py in glob(self, pattern)
1129 "
Alexander Heger added the comment:
In my code, having been translated form use of `os.path` to `pathlib.Path` the
change in behaviour caused errors and required significant refactoring.
Why not just return the empty list if there is no match, as is done in other
cases when there is no
Alexander Boeckmann added the comment:
Hey! I have the exact same thing as described happening! Python freezes when I
try to save new files which sucks.
I'm on Catalina: 10.15.6
IDLE: 3.8.5
Brand new MacBook Air
As said earlier the only way out is to force quit. Would taking a video
Alexander Boeckmann added the comment:
So over the past week the issue resolved its self. I unfortunately did not get
a video or a screenshot but thought you might want to know this
So maybe Apple did something or you guys fixed it. Anyways, have a good day
New submission from Alexander Todorov :
As part of installing python-bugzilla via pip it searches for `rst2man` or
`rst2man.py`, see:
https://github.com/python-bugzilla/python-bugzilla/blob/master/setup.py#L81
on Windows venvs there is venv\Scripts\rst2man.py (no .exe or without suffix)
and
Alexander Todorov added the comment:
@Eryk Sun,
you are of course correct but still don't we need to handle this in Python?
- find_executable() will search for rst2man.py.exe which doesn't exist so no
good for the user
- there is also no rst2man.exe which is probably an issu
Alexander Belopolsky added the comment:
I agree that having some of datetime.now([tz]) functionality replicated in
datetime.today() makes little sense. However, the presence of this method in
datetime class is a consequence of datetime being a subclass of the date class.
The latter was a
Change by Alexander Belopolsky :
--
resolution: -> wont fix
stage: -> resolved
status: open -> closed
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New submission from Alexander Kurakin :
Sometimes test.py causes a crash in 3.7.9 (and lower to 2018 year or more) on
Linux.
See also: https://github.com/pandas-dev/pandas/issues/21968
--
components: Interpreter Core
files: issue.zip
messages: 381113
nosy: kuraga
priority: normal
Alexander Kurakin added the comment:
Thanks for reply!
Is it call of NULL? If so, shoudn't do_richcompare check it?
--
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Alexander Kurakin added the comment:
Ok, close.
--
stage: -> resolved
status: open -> closed
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Alexander Belopolsky added the comment:
Can we pick an API for this functionality that does not follow the worst of
design anti-patterns? Constant arguments, varying return type, hidden import,
and the list can go on.
What is wrong with simply creating a new module, say "hirestime&
Alexander Belopolsky added the comment:
On Fri, Jan 27, 2012 at 5:17 PM, Antoine Pitrou wrote:
> Well, creating a separate module is an anti-pattern in itself. calendar vs.
> time vs. datetime, anyone?
Are you serious? Since the invention of structural programming,
creating a separate
Changes by Alexander Belopolsky :
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New submission from Alexander Maksimenko :
mimetypes.py(249) expectts Unicode*En*codeError, but Unicode*De*codeError
happens when registry has non latin symbols (Vista Home 64).
I just change cathc jn next line to UnicodeDecodeError and all now works fine.
But may be error not here, but on
Alexander Belopolsky added the comment:
On Sun, Jan 29, 2012 at 6:42 PM, STINNER Victor wrote:
..
> What do you call a constant argument? "float" and "decimal"?
> You would prefer a constant like time.FLOAT_FORMAT?
> Or maybe a boolean (decimal=True)?
Yes. This wa
Alexander Belopolsky added the comment:
On Mon, Jan 30, 2012 at 6:15 PM, STINNER Victor wrote:
> Another possibility is what I proposed before in the issue #11457: take a
> callback argument.
> http://bugs.python.org/issue11457#msg143738
I think you are over-engineering a co
Alexander Belopolsky added the comment:
This is by design. I don't have a reference, but I do remember this being
discussed. Suggestions for improving the documentation are welcome.
--
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Python tracker
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Alexander Jones added the comment:
Not having this as a standard idiom makes it very tempting to just do
copy-paste coding as in hniksic's example. Who likes to invent their own
library for generic language-supporting idioms?
What about an alternative of giving NoneType empty enter and
Alexander Jones added the comment:
That's very reassuring. Thanks, Nick!
--
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Python-bugs-list m
Alexander Belopolsky added the comment:
The problem with this idea is that while evaluating
datetime.datetime.now(datetime.timezone()), python will have to query the real
time clock twice (first in timezone() and then in now()). At a particularly
unfortunate time this may result in an error
Alexander Belopolsky added the comment:
This strikes me as an implementation artifact. There is no reason for
time.strptime() to validate date triplets. Applications that require valid
dates can use datetime.strptime(). I suggest changing time.strptime()
specification to match POSIX
Alexander Belopolsky added the comment:
I am -0 on the feature and -1 on the implementation. Conversion from Decimal
to float is explicit by design. Decimal gives the user fine control over
rounding issues allowing for either exact arithmetics (trapping inexact
operation) or one of several
Alexander Belopolsky added the comment:
Before you invest in a C version, let's discuss whether this feature is
desirable. The proposed function implements a very simple and not very common
calculation. Note that even dateutil does not provide direct support for this:
you are instruct
Alexander Belopolsky added the comment:
On Mon, Apr 9, 2012 at 6:20 PM, Marc-Andre Lemburg
wrote:
> Which is wrong, since the start of the first ISO week of a year
> can in fact start in the preceeding year...
Hmm, the dateutil documentation seems to imply that relativedelta
takes c
Alexander Belopolsky added the comment:
On Mon, Apr 9, 2012 at 6:56 PM, Antoine Pitrou wrote:
> This is all a bit moot since we don't have a "relativedelta" in the
> stdlib.
It is still worthwhile to see how it is done elsewhere. So far, we
have dateutil that does not h
Alexander Belopolsky added the comment:
On Mon, Apr 9, 2012 at 7:28 PM, Marc-Andre Lemburg
wrote:
> You don't really expect anyone to remember such rules, do you ? :-)
No, but it is still a one-line function that those who need it can
easily implement. I am on the fence here be
Alexander Belopolsky added the comment:
On Tue, Apr 10, 2012 at 6:44 AM, Antoine Pitrou wrote:
> It's so easy that the patch isn't a one-liner and it seems to still have
> bugs wrt. intended behaviour.
Unless I miss something, the inverse to isocalendar() is simply
from
Alexander Kapshuna added the comment:
I have a feeling that nesting groups has nothing to do with it. Got same
traceback when I forgot to fill my mutually exclusive groups with arguments.
import argparse
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group
New submission from Alexander Pyhalov :
We've moved illumos-gate wsdiff python tool from Python 2 to Python 3.
The tool does the following - for each file from old and new proto area
compares file attributes to find differences in binary otput (spawning elfdump,
dump and other util
Alexander Pyhalov added the comment:
I've tried to rewrite subporcess.getstatusoutput() usage with
subprocess.Popen() and switch to shell=False, it didn't help, so I doubti it
getstatusoutput() overhead, it's Popen() issue.
--
___
Alexander Belopolsky added the comment:
> I just ran the following script to check if there are any folds from
> timestamps [0, 86399] in any timezone.
Ammar, I am not sure pytz timezones support PEP 495 conventions. Can you repeat
your experiment using the latest dateutil
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Alexander Belopolsky added the comment:
Sorry for being late to the discussion, but please allow me to add a -1 vote.
The time.struct_time precedent is indeed comically verbose. Whenever I need to
inspect a struct_time, I cast it to a plain tuple
Compare
>>> time.gmtime(1
Changes by Alexander Belopolsky :
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Alexander Belopolsky added the comment:
> Why is it so slow?
The tests enabled by "-utzdata" check UTC to local and back conversions at
several points around *every* time transition in *every* timezone. On systems
with a complete installation of IANA tzdata, this is a lot o
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