Serhiy Storchaka added the comment:
Following patch fixes the issue, but I don't understand why.
--
Added file: http://bugs.python.org/file38586/tempfile_iter_fix.patch
___
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http://bugs.python.org/issue23700
Serhiy Storchaka added the comment:
Thank you for your review Martin. Yes, the problem with fcntl() is not so easy
and I'll left it for the separate issue.
I noticed there is no test for “ossaudiodev”. Would that be too hard, or is
it just an oversight?
It is hard because test_ossaudiodev
Serhiy Storchaka added the comment:
Addressed Berker's comments.
--
Added file: http://bugs.python.org/file38587/issue12006_6.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue12006
___
Changes by Serhiy Storchaka storch...@gmail.com:
--
resolution: - fixed
stage: commit review - resolved
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue22826
___
Stefan Behnel added the comment:
The problem is, even if the chance is excessively small, it's not zero.
Meaning, someone's data set somewhere will break somehow. And with hash
randomisation, it'll mean that the problem spotted in some life system will be
entirely unreproducible without
Changes by Serhiy Storchaka storch...@gmail.com:
--
assignee: - serhiy.storchaka
resolution: - fixed
stage: patch review - resolved
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23001
Roundup Robot added the comment:
New changeset ea8c3166d1c2 by Serhiy Storchaka in branch 'default':
Issue #22826: The result of open() in Tools/freeze/bkfile.py is now better
https://hg.python.org/cpython/rev/ea8c3166d1c2
--
nosy: +python-dev
___
Serhiy Storchaka added the comment:
No, it doesn't help.
--
___
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___
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Wolfgang Maier added the comment:
I think this is a consequence of PEP380 and its decision to finalize the
subgenerator when the delegating generator is closed.
Consider this simple example without tempfile:
def yielder (fileobj):
yield from fileobj
with open('some_test_file', 'w') as f:
Roundup Robot added the comment:
New changeset 17c77938c4e2 by Serhiy Storchaka in branch 'default':
Issue #23001: Few functions in modules mmap, ossaudiodev, socket, ssl, and
https://hg.python.org/cpython/rev/17c77938c4e2
--
nosy: +python-dev
___
STINNER Victor added the comment:
Maybe we need to keep explicitly a reference to self.file in the method
(file = self.file) to keep it alive in the frame?
--
___
Python tracker rep...@bugs.python.org
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Changes by Berker Peksag berker.pek...@gmail.com:
--
nosy: +berker.peksag
stage: - patch review
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23342
___
Wolfgang Maier added the comment:
Actually, its scary that use of yield from can have such a subtle side-effect.
Maybe PEP380 should have taken this more seriously?
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23700
Serhiy Storchaka added the comment:
In 2.7 Morsel.set is declared as:
def set(self, key, val, coded_val,
LegalChars=_LegalChars,
idmap=_idmap, translate=string.translate):
Undocumented parameters idmap and translate were removed without deprecation.
idmap was
STINNER Victor added the comment:
fd_leaks.diff is impossible to review, even Rietveld gave up, it's too big :-p
Could you please your patch into smaller patches? Split by directory for
example.
--
nosy: +haypo
___
Python tracker
Martin Panter added the comment:
Posting a version of Serhiy’s patch made with “hg diff -p --ignore-all-space”.
It is a bit shorter, and should not include all the re-indented lines, which
may help reviewing.
--
Added file:
Roundup Robot added the comment:
New changeset 11548e1ac920 by Victor Stinner in branch 'default':
Issue #23001: Fix typo
https://hg.python.org/cpython/rev/11548e1ac920
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23001
Roundup Robot added the comment:
New changeset d478a2a5738a by Victor Stinner in branch 'default':
Issue #23709, #23001: ossaudiodev now uses Py_ssize_t for sizes instead of int
https://hg.python.org/cpython/rev/d478a2a5738a
--
___
Python tracker
Roundup Robot added the comment:
New changeset d478a2a5738a by Victor Stinner in branch 'default':
Issue #23709, #23001: ossaudiodev now uses Py_ssize_t for sizes instead of int
https://hg.python.org/cpython/rev/d478a2a5738a
--
___
Python tracker
STINNER Victor added the comment:
Thanks Victor.
You're welcome, I just worked recently on ossaudiodev for _Py_read/write
functions functions. But I'm not able to run ossaudiodev neither :-( I hope
that the test runs on some buildbots (FreeBSD?).
--
nosy: +haypo
STINNER Victor added the comment:
This will help when someone writes something like `b'abcd'[2] == b'c'`
What if someone writes line[-1] == 0 and line is a Unicode string? Should we
emit a warning?
I patched locally PyUnicode_RichCompare() to emit a warning. Hum, there are
*many* warnings
STINNER Victor added the comment:
An assertion failed in _Py_read() while running test_signal on AMD64 Snow Leop
3.x:
http://buildbot.python.org/all/builders/AMD64%20Snow%20Leop%203.x/builds/2779/steps/test/logs/stdio
[321/393/1] test_signal
Assertion failed: (errno == EINTR
Roundup Robot added the comment:
New changeset 6dd201b6bb4f by Victor Stinner in branch 'default':
Issue #23708: Split assertion expression in two assertions in _Py_read() and
https://hg.python.org/cpython/rev/6dd201b6bb4f
--
___
Python tracker
STINNER Victor added the comment:
Same error on x86 Tiger 3.x buildbot:
http://buildbot.python.org/all/builders/x86%20Tiger%203.x/builds/9381/steps/test/logs/stdio
[345/393] test_signal
Python/fileutils.c:1181: failed assertion `errno == EINTR PyErr_Occurred()'
Fatal Python error: Aborted
STINNER Victor added the comment:
Oh cool, it looks like the changeset 9882cc2efd36 already fixed this issue.
--
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23716
Serhiy Storchaka added the comment:
Ah yes, correct: when a generator using yield from obj is destroyed while
yield from is not done, obj.close() is called if the method exists.
But why obj.close() is called? The reference to fileobj is live, it shouldn't
be closed.
This solution looks
Wolfgang Maier added the comment:
@Serhiy
in this line of code:
reader = csv.DictReader(fileobj, fieldnames=next(csv.reader(fileobj)))
csv.reader(fileobj) returns the generator created by fileobj.__iter__, but no
reference to it is kept so the object gets destroyed right afterwards. This
STINNER Victor added the comment:
signal_eintr.py: More complete patch, modify also signal.sigwaitinfo().
--
I don't think that other signal functions need to be modified to handle EINTR.
POSIX manual pages:
- The pthread_sigmask() function shall not return an error code of [EINTR].
- The
STINNER Victor added the comment:
I tested polling+getsockopt(SO_ERROR) with connect_test.c on Linux, it works:
haypo@smithers$ gcc -D TEST_TWO=1 connect_test.c -o connect_test
haypo@smithers$ ./connect_test
Will try to connect to 127.0.0.1 on port 80
(connect has been interrupted and now
Changes by STINNER Victor victor.stin...@gmail.com:
--
resolution: - fixed
status: open - closed
___
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http://bugs.python.org/issue23709
___
Serhiy Storchaka added the comment:
Thanks Victor.
--
___
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STINNER Victor added the comment:
builtin_modules.patch looks complex. It can be simplified by using the
Py_BUILD_CORE define.
In this case, it can be done in the issue #11410. I consider that the initial
issue is fixed, so I close the issue.
--
resolution: - fixed
status: open -
STINNER Victor added the comment:
pthread_* are false positive, they cannot fail with EINTR:
Pthreads function return values
Most pthreads functions return 0 on success, and an error number of
failure. Note that the pthreads functions do not set errno. For each of the
pthreads
Alex Shkop added the comment:
Fixed default values for fcntl(), ioctl() and lockf()
--
Added file: http://bugs.python.org/file38598/issue22832_v3.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue22832
New submission from Serhiy Storchaka:
strptime() with year-weekday pair can produce invalid data.
time.strptime('2015 0', '%Y %w')
time.struct_time(tm_year=2015, tm_mon=1, tm_mday=1, tm_hour=0, tm_min=0,
tm_sec=0, tm_wday=6, tm_yday=1, tm_isdst=-1)
time.strptime('2015 1', '%Y %w')
STINNER Victor added the comment:
New changeset 07fd54208434 by Victor Stinner in branch 'default':
Issue #23708: Save/restore errno in _Py_read() and _Py_write()
When I wrote _Py_read()/_Py_write(), I added assertions on errno to ensure that
errno is not modified. I chose to use assertions
Serhiy Storchaka added the comment:
There are other issues.
strptime with single %Y returns a date of the first day of the year. What
should return single %G?
time.strptime('2015', '%Y')
time.struct_time(tm_year=2015, tm_mon=1, tm_mday=1, tm_hour=0, tm_min=0,
tm_sec=0, tm_wday=3, tm_yday=1,
STINNER Victor added the comment:
For the record, it seems test_eintr sometimes left zombie processes in my
machine where I run reference leak tests every night. I didn't investigate
and just disabled the tests.
(I'll add that that machine is hosted on an OpenVZ-based VPS, so perhaps
Changes by STINNER Victor victor.stin...@gmail.com:
--
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23285
___
Yann Sionneau added the comment:
Please let me know if you need anything for this patch to be integrated.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23630
___
Roundup Robot added the comment:
New changeset 07fd54208434 by Victor Stinner in branch 'default':
Issue #23708: Save/restore errno in _Py_read() and _Py_write()
https://hg.python.org/cpython/rev/07fd54208434
--
___
Python tracker
New submission from Serhiy Storchaka:
strptime() can produce invalid time with negative year day when parse
year-week-weekday set. Such time is rejected by strftime(), so
strptime/strftime roundtrip doesn't work.
t = time.strptime('2015 0 0', '%Y %U %w')
t
time.struct_time(tm_year=2014,
STINNER Victor added the comment:
Ah yes, correct: when a generator using yield from obj is destroyed while
yield from is not done, obj.close() is called if the method exists.
So yield from file *is* different than for line in file: yield file when we
don't consume the whole generator.
A
Changes by STINNER Victor victor.stin...@gmail.com:
--
nosy: -haypo
___
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___
___
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Bohuslav Slavek Kabrda added the comment:
@wolma any idea why this only happens on Windows? I can't reproduce the CSV
failing test on Linux.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23700
Serhiy Storchaka added the comment:
@Brett: Yes, the patch handles `42 == b'*'` as well.
@Victor: The problem in such code:
x = b'Array'
x[0] == b'A'
Added explicit tests for bytes on the right side of the comparison and replaced
b'.'[0] to ord(b'.').
--
Added file:
Terry J. Reedy added the comment:
For Shell, autoappend would do the same, and saving on each rather than by
time might be more appropriate.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue21152
SMRUTI RANJAN SAHOO added the comment:
the y should be replaced by none. so that will not show any error.
i attached the image of my shell.
--
nosy: +SMRUTI RANJAN SAHOO
Added file: http://bugs.python.org/file38612/py2.JPG
___
Python tracker
Berker Peksag added the comment:
Can we add a note (probably with an example) to the Porting to Python 3.5
section of https://docs.python.org/3.5/whatsnew/3.5.html#porting-to-python-3-5
I believe that this patch exposes some subtle bugs in Django (see
koobs added the comment:
@Marc, if upstream 3.2.1 also has the issue, then that would mean the current
FreeBSD Python ports, which use --use-system-ffi and the security/libffi port,
currently at version 3.2.1 [1], can reproduce the issue.
I'm not aware of reports that they fail in this
Changes by Terry J. Reedy tjre...@udel.edu:
--
title: Fix inconsistencies in behaviour and document it correctly for
multiprocessing.Manager facade - Multiprocessing.Manager: fix behavior and doc
inconsistencies
___
Python tracker
Martin Panter added the comment:
I object to dropping the brackets from the function signatures. Now it gives
the impression that the functions accept keyword arguments:
ioctl(fd, request, arg=0, mutate_flag=True)
but:
ioctl(0, 0, bytearray(), mutate_flag=False)
Traceback (most recent call
Terry J. Reedy added the comment:
I do not see how Restart (as opposed to a proposed Clear option) loses
anything. However, closing without saving definitely anything since a save.
Moreover, even after saving Shell once, there is no Save on Close box displayed
(as for editor windows) when
Martin Panter added the comment:
Wolfgang: Unfortunately, I think that block of changes is largely unavoidable.
The write() method should not have changed in reality, but all the init and
read methods around it have been split into two classes, and the diff has
decided to compare the old
Changes by Nicholas Chammas nicholas.cham...@gmail.com:
--
nosy: +Nicholas Chammas
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue21423
___
___
Changes by Neil Girdhar mistersh...@gmail.com:
Added file: http://bugs.python.org/file38611/starunpack38.diff
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue2292
___
Raymond Hettinger added the comment:
Autosave would suffice. :-)
The restart issue wasn't the usual restart you get by pressing F5. What is
happening is that someone does an action that kills or hangs the IDLE app, then
they have to force close and restart IDLE itself.
--
Berker Peksag added the comment:
Thanks for the patch, Zbyszek. For future reference, please send patches from
the Mercurial repository. It will make the patch review process easier. See
also devguide.
+:func:`TemporaryDirectory`, :func:`SpooledTemporaryFile`, which can be
Both
Martin Panter added the comment:
Hi Gregory, I think the three functions have been fixed since Python 3.0. It
looks like you changed them in revisions 6a7fa8421902 (zlib module) and
132cf3a79126 (crc32 functions). Looking at the 3.0 branch, all three functions
use PyLong_FromUnsignedLong(),
Terry J. Reedy added the comment:
Do you know if, when a process is killed, date written to open files gets
flushed to disk?
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23666
___
Berker Peksag added the comment:
I object to dropping the brackets from the function signatures. Now it gives
the impression that the functions accept keyword arguments:
See issue 21488 for a similar confusion.
--
nosy: +berker.peksag
___
Python
Raymond Hettinger added the comment:
Thanks guys.
--
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23705
___
Roundup Robot added the comment:
New changeset 99eb196fb345 by Raymond Hettinger in branch 'default':
Issue 23705: Improve the performance of __contains__ checks for deques.
https://hg.python.org/cpython/rev/99eb196fb345
--
nosy: +python-dev
___
Terry J. Reedy added the comment:
I agree that this area needs improvement. 'Strip trailing whitespace' should
strip trailing blank lines at the end of a file, as well as trailing blank
spaces at the end of each line. Both are required to commit to our repository.
I would like to have a
Ryan Gonzalez added the comment:
...except for the pyconfig.h changes. Need to do something with autoconf for
that.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23496
___
Changes by Martin Panter vadmium...@gmail.com:
--
nosy: +vadmium
___
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___
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Roundup Robot added the comment:
New changeset 8f9925a02fe7 by Victor Stinner in branch 'default':
Issue #23715: Enhance test.script_helper to investigate test_eintr failure
https://hg.python.org/cpython/rev/8f9925a02fe7
--
___
Python tracker
Arfrever Frehtes Taifersar Arahesis added the comment:
New changeset 4491bdb6527b by Victor Stinner in branch 'default':
Issue #22181: The availability of the getrandom() is now checked in configure,
https://hg.python.org/cpython/rev/4491bdb6527b
You forgot to run aclocal, which resulted in
Roundup Robot added the comment:
New changeset a90ec6b96af2 by Serhiy Storchaka in branch '3.4':
Issue #23700: NamedTemporaryFile iterator closed underlied file object in
https://hg.python.org/cpython/rev/a90ec6b96af2
New changeset e639750ecd92 by Serhiy Storchaka in branch 'default':
Issue
Antoine Pitrou added the comment:
Amaury is right. In your case you could keep track of the Vectors in the Device
object and invalidate them when the Device is destroyed (using e.g. a WeakSet).
Or Vector could delegate its destruction to Device, e.g.:
class Device(object):
Wolfgang Maier added the comment:
so let's look at this step-by-step (and I hope I fully understood this myself):
- calling fileobj.__iter__ creates a generator because the method uses yield
from
- that generator does not get assigned to any reference so it will be
garbage-collected
- when
Demian Brecht added the comment:
idmap was removed in 14b65de9b798, translate was removed in 99027c2b3fd2 when
their became unnecessary.
I'd venture to say they slipped through the cracks. Following the deprecation
procedure here would be favourable IMHO as to give users a sufficient heads
J. Morton added the comment:
First, thanks for the comments - perhaps there's hope.
But from the viewpoint of a typical user (who does not care about what goes on
in the background), some of what has been said does not match the realities of
development in a corporate environment.
1 –
New submission from Alexey Kazantsev:
Pythons prior to 3.4.0 print
Vector!
Device!
while =3.4.0 print
Device!
Vector!
If we replace Main with Vector on line 21, the behavior becomes random: in 50%
of all cases it prints the wrong sequence, in other 50% the right. Our team
treats this as a
Changes by Alexey Kazantsev ajk@gmail.com:
--
components: +Interpreter Core
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23720
___
___
New submission from Brett Cannon:
devinabox has instructions on how to get the best test coverage for Python
possible: https://hg.python.org/devinabox/file/1eeb96fe98f1/README#l124 . It
would probably be good to get a test report at least daily to help keep an eye
on general test coverage and
New submission from Martin Teichmann:
When a new class is initialized with __init__ in a metaclass,
the __class__ cell of the class about to be initialized is not
set yet, meaning that super() does not work.
This is a known but fixable problem. The attached patch moves
the initialization of
Serhiy Storchaka added the comment:
Here are updated patches with fixed mistakes found by Martin.
While many of the changes look worthwhile, I do worry that some of them will
never be tested (at least until say Python 3.14 or something). E.g. I just
tried running Tools/scripts/dutree.py cos
Wolfgang Maier added the comment:
The patch has a huge block replacement in the gzip.py module starting at
GzipFile.write, which makes it large and hard to identify changes. Could that
be ameliorated or is it too much work right now?
--
nosy: +wolma
STINNER Victor added the comment:
tempfile_iter_fix.patch looks good to me, can you commit it please?
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue23700
___
Marc-Andre Lemburg added the comment:
I would prefer to have someone with good libffi knowledge to chime in here.
It's easy to just revert the patch, but it may be even better to upgrade the
included libffi lib.
But probably not to 3.2.1, since this still has the same bug it seems:
Petr Viktorin added the comment:
Attaching another patch:
- Leave _decimal alone per maintainer's wishes
- Fixes issues pointed out in the review
- Use Py_RICHCOMPARE also in _tkinter
- More improvements in the other affected modules
--
Added file:
Changes by Amaury Forgeot d'Arc amaur...@gmail.com:
--
nosy: +pitrou
___
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___
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STINNER Victor added the comment:
0 has no special meaning on Windows so I'd rather not add another special
case for posix emulation. Additionally, 0 unfortunately already means two
things as it is: signal.CTRL_C_EVENT and the int 0.
I agree, it's not a good idea to support os.kill(pid, 0)
Changes by Brett Cannon br...@python.org:
--
assignee: docs@python - serhiy.storchaka
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue22832
___
___
Roundup Robot added the comment:
New changeset 022d64b503b8 by Victor Stinner in branch 'default':
Issue #23696: Remove test on ZipImportError.__context__ because the context is
https://hg.python.org/cpython/rev/022d64b503b8
--
___
Python tracker
Serhiy Storchaka added the comment:
п'ятниця, 20-бер-2015 12:36:25 ви написали:
Martin Panter added the comment:
There were a couple mistakes I found; see Reitveld. I was going to say to
leave the open(mode=r) parameter as it is, since an explicit r is more
readable, but since you already
Roundup Robot added the comment:
New changeset ed8c2a4a6d3d by Victor Stinner in branch 'default':
Issue #23715: Fix test_script_helper
https://hg.python.org/cpython/rev/ed8c2a4a6d3d
--
___
Python tracker rep...@bugs.python.org
Wolfgang Maier added the comment:
ok, I've prepared a patch including tests based on my last suggestion, which I
think is ready for getting reviewed.
--
Added file: http://bugs.python.org/file38600/write_bytes_like_objects.patch
___
Python tracker
Petr Viktorin added the comment:
Making it a function might help with the following issues:
- series of comparisons and PyBool_FromLong is less efficient than switch and
Py_RETURN_*. But it would add a function call.
- it might be too complex for a macro
Do you think that would help?
As for
Serhiy Storchaka added the comment:
Actually you can got invalid data for any date.
time.strptime('2015 3 20', '%Y %m %d')
time.struct_time(tm_year=2015, tm_mon=3, tm_mday=20, tm_hour=0, tm_min=0,
tm_sec=0, tm_wday=4, tm_yday=79, tm_isdst=-1)
time.strptime('2015 3 20 0', '%Y %m %d %w')
Arfrever Frehtes Taifersar Arahesis added the comment:
Modules/_ctypes/libffi in branches 2.7, 3.4, default is currently a copy of
libffi 3.1.
Is problem reproducible with libffi 3.2.1? If not, then it might be better to
update Modules/_ctypes/libffi to libffi 3.2.1.
--
Paul Moore added the comment:
Updated patch. Added the requested test and a set of tests for the command line
API. This also highlighted a bug in the command line --info option, which is
also fixed.
Coverage now:
Name Stmts Miss Cover Missing
Amaury Forgeot d'Arc added the comment:
Actually there *is* a cycle:
assert a.vector is a.vector.device.__class__.__del__.__globals__['a'].vector
A workaround is to not store objects with __del__ in module globals...
Or have only one (the Main instance in your case)
--
nosy:
Serhiy Storchaka added the comment:
csv.reader(fileobj) returns the generator created by fileobj.__iter__, but no
reference to it is kept so the object gets destroyed right afterwards. This
closes the generator and because it uses yield from also the contained
subgenerator, which is the
Martin Panter added the comment:
There were a couple mistakes I found; see Reitveld. I was going to say to leave
the open(mode=r) parameter as it is, since an explicit r is more readable,
but since you already took some out, I’m not going to complain.
While many of the changes look
Roundup Robot added the comment:
New changeset 79aed09a9fa5 by Victor Stinner in branch 'default':
Issue #23715: Fix test_eintr, skip tests on signal.sigwaitinfo() and
https://hg.python.org/cpython/rev/79aed09a9fa5
--
___
Python tracker
Petr Viktorin added the comment:
Serhiy: Thanks for looking at this!
I think it should fall in the same category as Py_RETURN_TRUE or
Py_RETURN_NONE. Sure, it's easy to reimplement, but a lot of extensions need
it; why should everyone need to write the same code in a dozen different ways?
I
R. David Murray added the comment:
OK, on further investigation I guess it wasn't intended to be so general :)
But I still think we should make a nod to the reality that it can be used on
other text files. I'll re-close the issue but I may add a sentence to the docs.
--
status: open
Serhiy Storchaka added the comment:
Thank you for your explanation Wolfgang! Now it is clear to me. The issue is
that the generator calls the close() method of the subgenerator, but if the
subgenerator is a file, the close() method closes (surprise!) the file. Two
different protocols use the
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