New submission from Joe Cool :
os.stat on windows doesn't take an open file even though os.stat in
os.supports_fd
>>> fd = open('tmp.tmp', 'w')
>>> fd
<_io.TextIOWrapper name='tmp.tmp' mode='w' encoding='cp1252
Joe Cool added the comment:
My recommendation would be to add a keyword parameter, defaulting to False, to
name(), something like give_full_alias, or maybe errors=“give_full_alias” like
the IO functions.
In the meantime, as the author of perllib, I had to make my own dict to return
to the
Joe Cool added the comment:
Note: This is an issue for all chars in the ordinal range 0 thru 31.
--
___
Python tracker
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New submission from Joe Cool :
unicodedata.name gives ValueError for control characters, for example:
>>> unicodedata.name('\x00')
Traceback (most recent call last):
File "", line 1, in
ValueError: no such name
>>> unicodedata.name('\t')
Trac
New submission from Vertu Joe :
I intentionally made some corrupted zip archive files for testing.
If some contents were removed from the archive instead of changing the bits.
when trying to read such files, the zipfile will raise an uncaught OSError,
instead of a badzipfile error as
Joe Cool added the comment:
Proposed solution:
if comspec.endswith('sh.exe') or comspec.endswith('sh'):#
issue 40467
args = '{} -c "{}"'.format (comspec, args)
Joe Wells added the comment:
Some quick comments on Martin's pull request.
1. The changes are sufficient to let the user make things work the way it is
requested that they work and anyone who does not start using the new
format_locals parameter will get the old behavior.
2. A side co
Joe Wells added the comment:
1. As background, it is worth remembering that a major motivation for why
FrameSummary.__init__ stringifies the local variable values in its parameter
locals is to prevent the resulting data structure from keeping those values
live. This enables them to be
Joe Wells added the comment:
In the hopes of convincing someone to install a fix to this bug, I will mention
a few additional points.
When I mention “the capture_locals feature”, I mean calls of the form
traceback.TracebackException(..., capture_locals=True) and
Joe Wells added the comment:
Andrei, thanks very much for the pointer to bug/issue
https://bugs.python.org/issue39228. I had not noticed the earlier comment by
Irit pointing to that bug. (Is there some way to merge bugs so that someone
visiting one of the bugs will see the merged stream
Joe Wells added the comment:
I'm sorry Andrei: I misread your alteration of my example and misunderstood its
purpose.
For anyone else reading these messages: In my most recent comment above, please
ignore the part of my comment about Andrei's example.
So yes, Andrei, that is
Joe Wells added the comment:
Here are my thoughts inspired by Andrei's insightful comments.
1. In response to the major issue Andrei raises, I agree that it is desirable
that repr would never raise an exception. The reasons Andrei mentions seem
quite correct to me. However, I thin
Joe Wells added the comment:
I would like to request that this bug be repopened and fixed.
I've changed (or at least tried to change, I'm not sure if it will let me) the
title of the bug to point out that the failure happens in
FrameSummary.__init__. It does not
Joe added the comment:
We are running into this all the time, ever since the Proactor became the
default on Windows in 3.8.
Usually it comes up when the program terminates due to an unhandled exception
during a highly concurrent operation. The resulting cascade of RuntimeErrors
often
Change by Joe Marshall :
--
keywords: +patch
pull_requests: +24703
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/26062
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Python tracker
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New submission from Joe Marshall :
There's a couple of wrong function signatures in dictobject.c,
dictkeys_reversed and dictitems_reversed are defined as single arg functions
like so: PyObject *(PyObject *), and are then passed around and called as
PyCFunctions, which should be PyO
Joe Cool added the comment:
Never mind. I was looking for the DST code in computeRollover, and I found it
in doRollover.
--
stage: -> resolved
status: open -> closed
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Python tracker
<https://bugs.python.org/i
New submission from Joe Cool :
TimedRotatingFileHandler doesn’t handle the switch to/from DST when using
daily/midnight rotation. It does not adjust the rollover time so the rollover
will be off by an hour.
Parameters: when=‘midnight’, utc=False
--
components: Library (Lib)
messages
New submission from Joe Gordon :
Python 3 fails to encode dictionary view objects. Assuming this is an expected
behavior, what is the thinking behind it? I was unable to find any
documentation around this.
> import json; json.dumps({}.values())
"TypeError: Object of type dict_value
Change by Joe Jevnik :
--
keywords: +patch
pull_requests: +13925
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/14066
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Python tracker
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New submission from Joe Jevnik :
When using PyType_FromSpec, the memory for PyType_Spec.name, Py_tp_methods, and
Py_tp_members needs to somehow outlive the resulting type. This makes it hard
to use this interface to generate types without just leaking the memory for
these arrays, which is
New submission from Joe Borg :
Reading from
https://docs.python.org/3/library/subprocess.html#subprocess.CompletedProcess
"""
If you ran the process with stderr=subprocess.STDOUT, stdout and stderr will be
combined in this attribute, and stderr will be None.
"""
Joe Jevnik added the comment:
Thank you for reviewing this so quickly!
--
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Change by Joe Jevnik :
--
keywords: +patch
pull_requests: +12006
stage: -> patch review
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___
___
Py
New submission from Joe Jevnik :
The new _tuplegetter objects for accessing fields of a namedtuple are no longer
serializable with pickle. Cloudpickle, a library which provides extensions to
pickle to facilitate distributed computing in Python, depended on being able to
pickle the members of
Change by Joe Pamer :
--
keywords: +patch
pull_requests: +9157
stage: -> patch review
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___
___
Python-
New submission from Joe Pamer :
The fix for issue 32557 updated os__getdiskusage_impl to use _dirnameW for
obtaining the parent directory of a file. This would cause a regression if the
path exceeded 260 characters, since _dirnameW currently returns -1 if given a
path >= MAX_PATH in len
Joe Pamer added the comment:
Awesome - thanks, Steve - this is all super helpful! If you're cool with it I'd
like to stick to using _dirnameW for now, and then follow up with another set
of PRs for the fixes you've recommended.
--
___
Joe Pamer added the comment:
Just to loop back, I updated the PR to avoid MAX_PATH and only allocate in the
"not a directory" case. Thanks for getting back to me so quickly!
One question, though, is that it *does* seem like MAX_PATH is still referenced
in several places in pos
Joe Pamer added the comment:
Got it - thanks! That sounds good to me, so I'll take a look at how other
functions are working around MAX_PATH and update the diff to also avoid the
copy when possible.
--
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Joe Pamer added the comment:
Hi!
I decided to try fixing this one as a way to get acquainted with the code base.
I went ahead and updated the backing NT C function, but please let me know if
you'd prefer I update disk_usage as proposed.
Thanks!
--
nosy: +jo
Change by Joe Jevnik :
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New submission from Joe N :
CRLs in ssl.py or at the documentation is broken. Specifically I think the
documentation here is wrong:
https://docs.python.org/3/library/ssl.html#ssl.SSLContext.load_verify_locations
Here is a stackoverflow post:
https://stackoverflow.com/questions/51196492/how
Change by Joe Jevnik :
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joe m added the comment:
I would much prefer the curses module to be supported in newer versions since
I believe that curses is installed as a built in module (not sure about that).
Anyhow, thank you for your help but I have found a replacement module called
"asciimatics" which
New submission from joe m :
Importing curses on Windows install calls the following:
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\user
name\AppData\Local\Programs\Python\Python36-32\lib\curses\__init__.py", line
13, in
Joe Tsai added the comment:
It creates a number of nested directories only because GNU (and BSD) tar
implicitly create missing parent directories. If you cd into the bottom-most
folder, you will see "foo.txt".
--
___
Python track
Joe Tsai added the comment:
This bug is not platform specific.
I've attached a reproduction:
$ python
>>> import tarfile
>>> tarfile.open("test.tar", "r").next().isdir()
True
$ tar -tvf test.tar
-rw-rw-r-- 0/0 0 1969-12-31 16:00
123456
New submission from Joe Tsai:
The original V7 header only allocates 100B to store the file path. If a path
exceeds this length, then either the PAX format or GNU formats must be used,
which can represent arbitrarily long file paths. When doing so, most tar
writers just store the first 100B of
Joe Jevnik added the comment:
I added a benchmark suite (using Victor's perf utility) to cnamedtuple. The
results are here: https://github.com/ll/cnamedtuple#benchmarks
To summarize: type creation is much faster; instance creation and named
attribute access are a bit f
Joe Jacobs added the comment:
So, with the feedback, i uninstalled everything and tried installing again, but
in the %appdata% folder for both users and everything worked fine. Both users
have python installed. If i run the web launcher, the first time it installs
on the second account and
Joe Jacobs added the comment:
I checked, there are no install logs.
Just realized, maybe an issue with the web installer rather than the base
installer.
python-3.6.1-amd64-webinstall
Had downloaded this file and tried to run it. I wouldn't even get to the
screen that asks you to
New submission from Joe Jacobs:
Windows 7 Ultimate: SP1. Fully pathed as of July 4th, 2017
My Windows 7 install has multiple user accounts. The main install account is
set up with "Administrator" privledges.
Some point in the past I had installed Python 3.6.1 on the main account.
Changes by Joe Jevnik :
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Joe Jevnik added the comment:
As a more meta question: I have noticed that many error messages in the stdlib
use PyErr_SetString, or choose to use the type name instead of the repr of the
object. Is there a reason for this? I normally try to fill the error message
with as much context as
Joe Jevnik added the comment:
I agree, "%R in tuple" is enough information for me. This would also remove the
need to manually repr the object.
--
type: enhancement ->
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Python tracker
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New submission from Joe Jevnik:
The old error of tuple.index(x): x not in tuple seemed very confusing to me. It
was also harder to quickly understand what the program was doing wrong. This
saves people a second pass through the program under the debugger because they
can just see what the
New submission from Joe Jevnik:
I opened a pr to remove a line in the docs about $ needing to follow | in
PyArg_ParseTupleAndKeywords. In practice, you can just use a $ to create
required keyword arguments which intuitively makes sense. I was told this
should raise a SystemError; however, you
Changes by Joe Jevnik :
--
assignee: -> docs@python
components: +Documentation
nosy: +docs@python
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_
New submission from Joe Jevnik:
In zipfile.py only OSError is checked to see if seek fails:
```
def _EndRecData64(fpin, offset, endrec):
"""
Read the ZIP64 end-of-archive records and use that to update endrec
"""
try:
fpin.seek(offse
Joe Jevnik added the comment:
The issue appears to be in ceval.c:unicode_concatenate (or the py2 equivalent)
The code sets the local variable on the lhs to NULL before doing a potentially
inplace append to the string. This means that if a signal is raised during the
concat, we never hit the
Joe Jevnik added the comment:
I definitely could have used PyImport_Import and PyObject_Call to accomplish
this task; however, when I looked at at the implementation of these functions
it seemed like a lot of overhead and book keeping just to set a boolean. Since
I was already in a C
New submission from Joe Jevnik:
I was writing an extension module that was working with weakrefs and wanted to
ensure that the GC would not run for a block of code. I noticed that
gc.enable/gc.disable are not exposed to C and the state of the gc is in a
static variable so it cannot be mutated
Joe Jevnik added the comment:
bump
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New submission from Joe:
In Python 3k releases leading up to 3.5.2, distutils.config imported
"ConfigParser", but now imports "RawConfigParser" in the latest release.
The documentation indicates "RawConfigParser" is considered legacy and
"ConfigParser&quo
Joe Jevnik added the comment:
Sorry about undoing the settings, that was unintentional. The UI around these
settings is sort of unintuitive.
I was waiting to propose this on python-dev until I got it working, but I
wanted to push up what I did have as a work in progress so I could try to get
Joe Jevnik added the comment:
Assuming all dicts are ordered, there will be no need for this (as long as the
parser preserves order) so I am okay with dropping this.
One of the main use cases I have for wanting nice literals is when I am working
on tests. I find it very nice to be able to
New submission from Joe Jevnik:
This proposes the following syntax for creating OrderedDict literals:
OrderedDict[k1: v1, k2: v2, ...]
This is implemented by putting a metaclass on OrderedDict which has a getitem
that turns the slices into a list of tuples (after validation).
The idea is
New submission from Joe Jevnik:
I was trying to add a file and accidently mistyped the name which crashed the
repl session. I think it would be nicer to report the failure but bring me back
to the prompt so I can decide what I would like to do.
This patch catches any IOErrors that can be
Joe Jevnik added the comment:
This seems to just be a bug in the implementation of remove. I have a patch to
fix this and a test case.
--
keywords: +patch
nosy: +ll
Added file: http://bugs.python.org/file42875/bytearray-remove.patch
Joe Jevnik added the comment:
people have had some time to think about this, whats should the name be so we
can merge this?
--
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Joe Jevnik added the comment:
CALL_FUNCTION doesn't use extended arg; I don't see what we get by adding some
opcode to convert the sequence into a tuple. We also don't want to box up the
stack arguments into a tuple because when we do a CALL_FUNCTION to a python
function w
Joe Jevnik added the comment:
> It's possible that stararg is already an empty tuple. Is it worth to use it?
PyTuple_New(0) should return the unit tuple in most cases:
#if PyTuple_MAXSAVESIZE > 0
if (size == 0 && free_list[0]) {
op = free_list[0];
Py
Changes by Joe Jevnik :
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Joe Jevnik added the comment:
in _PyEval_EvalCodeWithName we will have already pulled the underlying array
out of the tuple subclass and the then we will reconstruct the vararg value in
the locals from this array. This means that with this patch we can get:
>>> class C(tup
Joe Jevnik added the comment:
bump
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New submission from Joe Jevnik:
When star unpacking positions into a function we can avoid a copy iff there are
no extra arguments coming from the stack. Syntactically this looks like:
`f(*args)`
This reduces the overhead of the call by about 25% (~30ns on my machine) based
on some light
Changes by Joe Jevnik :
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Joe Jevnik added the comment:
The recipe you showed looks like it is very complicated for the expected use
case of decompressing all of the data into a mutable buffer. One difference I
see with this and struct.pack_into or socket.recv_into is that in both of those
cases we know how large our
Joe Jevnik added the comment:
ping: any decision on this?
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New submission from Joe Jevnik:
Adds a keyword only flag to zlib.decompress and zlib.Decompress.decompress
which marks that the return type should be a bytearray instead of bytes.
The use case for this is reading compressed data into a mutable array to do
further operations without requiring
Joe Jevnik added the comment:
> and the latter might give the impression it was some sort of special
> method/attribute when it was not.
Wouldn't adding this be special because it is specifically reserved by CPython
as an implementation detail?
Also, would adding this name
Joe Jevnik added the comment:
Is there a decision on the name? I can update the patch if needed.
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Joe Jevnik added the comment:
partial's unique usage is why I feel like it would be so jarring for them do be
named differently. I would be happiest having this feature at all so I will
change the name to 'kwargs' if you would like. I just want to be sure that my
reasons fo
Joe Jevnik added the comment:
I agree that it is a strange name and I also think that it could be immutable
or a copy of the internal dict; however, I think that consistency with existing
APIs in the standard library is more important. 'keywords' is still very clear
in context and
Joe Jevnik added the comment:
I only want this feature to keep the usage close to functools.partial. I was
actually sort of surprised to see that mutation of the dict held in partial,
but I would rather be consistent.
--
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Joe Jevnik added the comment:
Added a test case for the mutation of keywords.
--
Added file: http://bugs.python.org/file41204/methodcaller-attrs-2.patch
___
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Joe Jevnik added the comment:
Thanks for pointing me at the refleak, uploading an update
--
Added file: http://bugs.python.org/file41203/methodcaller-attrs-1.patch
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Joe Jevnik added the comment:
Thanks for review, looking into the reference count issue.
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New submission from Joe Jevnik:
This patch adds 3 properties to methodcaller objects for inspecting the object
at runtime:
1. 'name': the name of the method to call
2. 'args': the position arguments to pass to the method
3. 'keywords': the keyword arguments t
Joe Jevnik added the comment:
bumping this issue
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Joe Jevnik added the comment:
Sorry about the ideas thread. Thank you for merging this!
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Joe Jevnik added the comment:
I posted this to python Ideas on June 10th of this year. That is where we
decided to rename it from `slice.literal` to `operator.subscript`.
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Joe Jevnik added the comment:
bumping so that we don't forget about this.
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Joe Jevnik added the comment:
Any more comments?
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Joe Jevnik added the comment:
Sorry it took so long to get back to this. I didn't realize this was still
open. I have provided the update to the docs and moved it to the 3.6 section. I
also made sure the patch still applies and the tests all pass.
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Added file: http://bugs.pytho
Joe Jevnik added the comment:
I updated the docstring
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Added file: http://bugs.python.org/file39913/operator_subscript_pyonly.patch
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Added file: http://bugs.python.org/file39907/operator_subscript_pyonly.patch
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Joe Jevnik added the comment:
is it normal to get a lot of 500s when using the review system?
--
Added file: http://bugs.python.org/file39906/operator_subscript_pyonly.patch
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Joe Jevnik added the comment:
updating to address the docs and order of assertions
--
Added file: http://bugs.python.org/file39904/operator_subscript_pyonly.patch
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Joe Jevnik added the comment:
updating with the slots change
This also adds a ton of test cases
--
Added file: http://bugs.python.org/file39902/operator_subscript_pyonly.patch
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Joe Jevnik added the comment:
Ah, I hadn't seen that, I will address those now, sorry about that.
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Joe Jevnik added the comment:
ping: is there anything blocking this?
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Joe Jevnik added the comment:
I removed the C implementation.
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Joe Jevnik added the comment:
I just moved it over since I implemented it for slice originally, I can drop
the C implementation.
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Joe Jevnik added the comment:
Based on some discussion on python-ideas, this is being renamed to
operator.subscript. Here is the patch that makes the correct the changes to
move this object into the operator module.
--
components: +Extension Modules -Interpreter Core
title
Joe Jevnik added the comment:
It is a singleton, does not accept the `maketuple` flag, and is written in C. I
did not know about the s_ attribute of numpy before writing this; however, I
still think that moving this object to slice improves code clarity (s_ is not a
super clear name). I also
Joe Jevnik added the comment:
>>> slice.literal[0]
0
>>> y = slice.literal[1:2]
slice(1, 2, None)
>>> slice.literal[0:1, ..., 3]
(slice(0, 1, None), Ellipsis, 3)
The way this object works right now does not create instances of some inner
class of slice, instead,
Joe Jevnik added the comment:
> What I'm missing is a way to use such an object to actually index/slice
> something
Sorry, I am not sure I understand what you mean by this? You can pass a slice
object, or a tuple of slices in subscript notation.
>>> [1, 2, 3, 4][slice(2)]
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