New submission from Adam Gregory:
Hi,
I've been playing with f-strings, which seem like a great addition to the
language. I noticed in the definition of f_expression that it can include any
or_expr. As far as I understand, this includes "await" expressions, so I tried
using aw
Adam Gregory added the comment:
Replicated in CPython 3.6.0rc1
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New submission from Adam Williamson:
The changes made to xml.etree.ElementTree in this commit:
https://github.com/python/cpython/commit/12a626fae80a57752ccd91ad25b5a283e18154ec
break defusedxml , Christian Heimes' library of modified parsers that's
intended to be safe for parsing
Adam Williamson added the comment:
Ammar: yep, that's correct. There's code in defused's ElementTree.py - _
get_py3_cls() - which passes different values to _generate_etree_functions
based on the Python 3 version.
For Python 3.2+, defused 0.4.1 expects to use the _IterParseIter
Adam Williamson added the comment:
serhiy: so, the funny thing is this: your fix is ultimately a reversion. Though
we have to dig way back into the bowels of defusedxml to see this.
Specifically, to this commit!
https://github.com/tiran/defusedxml/commit
Adam Williamson added the comment:
Aha, so thanks to my colleague Patrick Uiterwijk, we see the problem. Since
Python 3.3, Python doesn't actually use that pure-Python iterparse() function
if it can instead replace it with a C version:
https://github.com/python/cpython/blob/3.3/Lib/xml/
Adam Williamson added the comment:
Digging some more, it looks like *only* Python 3.3 went so far out of its way
to hide the pure-Python iterparse() - the code was changed again in 3.4 and it
doesn't do that any more. So I think a way forward here is to make the code
that
Adam Williamson added the comment:
https://paste.fedoraproject.org/511245/14824393/ is my cut at a fix for this,
gonna test it out now.
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Python tracker
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Adam Williamson added the comment:
https://github.com/tiran/defusedxml/pull/4 should fix this, I hope.
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Python tracker
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New submission from Adam Williamson:
I'm not sure if this is really considered a bug or just an unavoidable
limitation, but as it involves part of the stdlib operating on Python itself, I
figured it was at least worth reporting.
In Fedora we have a fairly simple little script called p
New submission from Wen Adam:
SelectSelector._select is differently on different platforms.
On win32, SelectSelector._select is a unbound/bound method and pass instance as
the first argument, but on *nix, SelectSelector._select is a
builtin_function_or_method(Although self.select still works
Wen Adam added the comment:
Thx for your replying, Peksag.
I encountered this problem is really because of Gevent and Selector34. Gevent
fixed this issue but only works for
python3.4+(https://github.com/gevent/gevent/blob/master/src/gevent/monkey.py#L497)
by a tricking way. python 2.x still
Wen Adam added the comment:
I know it works on python3.4, but black magic still exists in selectors lib，and
3rd-party module have to prepare two function to make compatibility.
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Python tracker
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New submission from Adam Bielański:
Issue: cgitb text formatter outputs all members of exception object, using
standard dir() to get their names.
My patch changes its behaviour to skip fields which are callable, since
printing them only clutters the output but is rarely helpful.
HTML
Changes by Adam Bielański :
Added file: http://bugs.python.org/file43097/cgitb.patch
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Changes by Adam Bielański :
Removed file: http://bugs.python.org/file43065/cgitb.diff
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New submission from Adam Bartoš:
>>> float('foo')
ValueError: could not convert string to float: 'foo'
>>> float('')
ValueError: could not convert string to float:
should be
ValueError: could not convert string to float: ''
Th
Adam Bartoš added the comment:
Recently, I was also hit by this when trying to autoset `sys.argv` to a list of
Unicode string (see
https://github.com/Drekin/win-unicode-console/issues/20#issuecomment-225638271
).
It would be nice to have this fixed. It seems to me (I may be wrong) that every
Adam Bartoš added the comment:
Regarding the comment by Martin Panter from 2015-11-22: It would be nice if
PyOS_StdioReadline worked that way. Unfortunately, it's still based on C file
objects and char* for the prompt string rather than using actual Python
objects. The relevant iss
Adam Bartoš added the comment:
Isn't the trucation of long patterns too rough? Currently, repr(re.compile("a"
* 1000)) returns something like "re.compile('a)", i.e. no ending
quote and no indication that something was truncated (besides the missing
q
Changes by Adam Bartoš :
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New submission from Adam Bartoš:
When a Python script is run by drag-and-dropping another file on it in Windows
explorer, the other file's path becomes sys.argv[1]. However, when the path
contains a Unicode characters (e.g. α), it gets crippled – it is replaced by
ordinary question
Adam Bartoš added the comment:
Thank you very much for the analysis. So Python Windows installers may be
changed to set the other drop handler. If the short paths are problem, they may
be converted to long ones when initializing `sys.argv
Adam Bartoš added the comment:
Also, what versions of Windows does this affect? I have 64bit Vista, so maybe
this is fixed in say Windows 10.
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Python tracker
<http://bugs.python.org/issue27
Adam Bartoš added the comment:
Without a handler the drop feature is disabled.
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Python tracker
<http://bugs.python.org/issue27469>
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Python-bugs-list m
Adam Bartoš added the comment:
Maybe this is related: http://bugs.python.org/issue26152.
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Python tracker
<http://bugs.python.org/issue27
Adam Bartoš added the comment:
Hello Steve, that's great you are working on this!
I've ran through your patch and I have the following remarks:
• Since wide chars have two bytes, there may be problem when someone wants to
read or write odd number of bytes. If the number is > 1,
Adam Bartoš added the comment:
There is also the following consequence of (not) having the standard filenos:
input() either considers the streams interactive or not. To consider them
interactive, standard filenos and isatty are needed on sys.stdin and sys.stdout.
If the streams are considered
Adam Bartoš added the comment:
> Unfortunately, it looks like detecting when a readline hook has been added is
> going to involve significant changes to the tokenizer, which I really don't
> want to do.
We don't need to detect the presence of readline hook, it may be so th
Ron Adam added the comment:
I'm going to go over this issue again with fresh eyes after having been away
for some time.
Recent experience with another project has helped answer some of the questions
I had earlier. Particulary, how not to over specifying class names and id's.
T
Adam Duston added the comment:
We used the xmlrpc++0.7 library to set up a test server, consistent with what
Arno reported in the original ticket. We weren’t able to reproduce the problem
with 2.7.2 or 3.4. Furthermore, xmlrpclib.Server (or xmlrpc.client.Server in
Python 3) connects with HTTP
Changes by Adam Duston :
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New submission from Adam Carruthers:
255 is 255 -> True (255).bit_length() -> 8
256 is 256 -> True (256).bit_length() -> 9
257 is 257 -> False (257).bit_length() -> 9
^
Will show True if you do it exactly like this because of a quirk.
a = 257
b = 2
Changes by Adam Carruthers :
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New submission from Adam Mead:
Under windows the following code does not pass the LFN to the script. Nor does
any other method I've tried (getopts & argparse)
test.py
import sys
print ('Number of arguments:', len(sys.argv), 'arguments.')
print ('Argument Lis
Adam Mead added the comment:
Hi,
I think I've found the problem.
After reading you message and seeing your output I went to my laptop which
didn't have python installed (using portable on it) and clean installed.
Using a clean install with 3.4.2 on a Win8 machine it worked fine.
I s
Adam Bartoš added the comment:
I've also run into this issue (see
https://mail.python.org/pipermail/python-list/2015-July/693496.html and the
following thread). I'm adding some small examples showing the behavior.
import asyncio
async def wait():
await asyncio.slee
Adam Bartoš added the comment:
David Robertson: The behaviour you pointed out is a consequence of the general
issue: signals on Windows aren't fully supported. Basically, they cannot
interrupt the event loop when every coroutine is waiting for something.
Instead, they are fired when some
New submission from Adam Bartoš:
I think that a trailing comma in function definition should be allowed also
after *.
Current situation with definitions:
def f(*args, ): pass # SyntaxError
def f(*, ): pass # SyntaxError
def f(*, a, ): pass # SyntaxError
def f(*, a=2, ): pass # SyntaxError
Adam Bartoš added the comment:
Reposting from from my newest duplicate of this issue (Issue 24677), which is
now closed:
I think that a trailing comma in function definition should be allowed also
after *.
Current situation with definitions:
def f(*args, ): pass # SyntaxError
def f
New submission from Adam Bartoš:
The documentation of traceback.print_exception says "if traceback is not None,
it prints a header Traceback (most recent call last):". That also meant that
the header wasn't printed if traceback was None. However, the new Python 3.5
TracebackE
New submission from Adam Bartoš:
There is a subtle bug in Python 3.4 implementation of traceback library:
>>> import traceback
>>>
>>> try:
... 1 / 0
... except Exception as e:
... exc = e
...
>>> traceback.print_exception(exc.__class__, exc, exc._
Adam Bartoš added the comment:
Thank you all for a quick reaction.
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Adam Bartoš added the comment:
Just out of my curiosity – why is not this issue listed in Python 3.5b4
changelog even though the issue is fixed there?
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Adam Bartoš added the comment:
I meant this one:
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-beta-4 .
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Adam Bartoš added the comment:
Ok, thanks.
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Adam Bartoš added the comment:
Yes, it is a behavior change between Python 2 and Python 3. I just tried with
2.7 and 3.0.
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New submission from Adam Bartoš:
I found out that I cannot import tkinter in Python 3.5.0b4 on 64-bit Windows
Vista. Trying to import _tkinter results in ImportError: DLL load failed. On
the other hand I have no problem importing _ctypes whose .pyd file is at the
same location as _tkinter.pyd
Adam Bartoš added the comment:
It seems that both tcl86t.dll and tk86t.dll can be found, but their dependency
VCRUNTIME140.dll cannot. For some reason, Dependency Walker cannot locate also
python35.dll and ieshims.dll (but it tries to find all three libraries in
Python 3.5\DLLs and at least
Adam Bartoš added the comment:
I'm not sure this is the right issue. The support for Unicode filenames is not
(at least on Windows) ideal.
Let α.py be a Python script with invalid syntax.
> py α.py
File "", line 2
as as compile error
^
SyntaxError: invalid syntax
Adam Bartoš added the comment:
http://bugs.python.org/issue17620 is a duplicate, but with more discussion.
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Python tracker
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New submission from Adam Bartoš:
Currently, if one redirects stdout, readline hook is not used (see
https://hg.python.org/cpython/file/default/Parser/myreadline.c#l208). I would
assume that if I run Python as "py -i > output.txt", I can use GNU readline or
other readline hook f
Adam Bartoš added the comment:
Some remarks:
• A trailing comma after a non-empty argument list is allowed in every call
form, including class statement and optional call in decorator syntax. In the
grammar, this correponds to `arglist`.
• In function definition, trailing comma is allowed
Adam Bartoš added the comment:
Do we want to allow a trailing comma after *args or **kwargs in a function
definition? Unlike in a call, **kwargs is always the last thing in the list and
nothing can be added after that. Just asking.
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Python
Adam Bartoš added the comment:
I was also bitten by this via Enum. Is there any chance this will be fixed in
Python 3.5?
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Python tracker
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New submission from Adam Meily:
** This issue and attached patch only affect Windows **
Currently, the Popen constructor will duplicate any stdout, stdin, and/or
stderr handle passed in and make them inheritable, by calling DuplicateHandle.
If two threads call Popen at the same time, the
Adam Meily added the comment:
Attached is a test Python script that you can run to see the race condition in
action. There are two Python scripts: pipe.py and reader.py.
- pipe.py: make two subprocess.Popen() calls from two different threads.
- reader.py: (its content is in the bottom
Adam Meily added the comment:
@r.david.murray: Yes I could make a test.
@haypo:
I did not know about the PROC_THREAD_ATTRIBUTE_HANDLE_LIST structure, thanks
for the heads up. You pointed me in the right direction, and I see now that
you've been following this, and similar, subproce
Adam Meily added the comment:
Ok, I can re-implement the patch to meet what you all are looking for. I just
want to double check that I'm on the same page:
I'll get rid of the lock, because the fix should really be done in the call to
CreateProcessW. I imagine that I'll be
Adam Bartoš added the comment:
I really don't know how stdio in console in Linux works. In my package
https://github.com/Drekin/win-unicode-console I set custom sys.std* streams and
a custom readline hook to support Unicode in Python run in Windows console. If
I run `py` with my fixes en
Adam Bartoš added the comment:
R. David Murray: I understand that the behavior of programs differ if stdout is
redirected. I just claim that at least in Windows, stdin and stdout are
completely independent, so redirecting *stdout* shouldn't affect how data are
read from *stdin*.
I know
Adam Bartoš added the comment:
Behavior of which readline? GNU readline? Note that it is only one particular
implmentation on one particular platform while Python should be as
multiplatform as possible / viable.
And what behavior it is? More precisely, what incorrect behavior in Linux would
Adam Bartoš added the comment:
How about reconsidering in the case that the machinery around PyOS_Readline is
rewritten as I suggest in #17620 ?
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New submission from Adam Groszer:
Installed with python-3.4.3.msi first, then wanted a 64bit side-by-side )of
course in an other folder)
Wanted to install python-3.4.3.amd64.msi, the first thing this one did is
removed the 32bit install :-(
--
components: Installation, Windows
Adam Bartoš added the comment:
dead1ne: Hello, I'm maintaining a package that tries to solve this issue:
https://github.com/Drekin/win-unicode-console . There are actually many related
problems.
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Python tracker
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Adam Bartoš added the comment:
> * The interactive interpreter always reads from the original standard input,
> whether Readline is used or not.
This is not true – the interactive interpreter reads via PyOS_Readline, which
may call whatever readline hook is installed.
I think the sit
Adam Bartoš added the comment:
I've formulated a proposal regarding this issue:
https://mail.python.org/pipermail/python-dev/2015-November/142246.html . Does
it make sense?
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Python tracker
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New submission from Adam Bartoš:
There is a check in Lib/getpass.py:win_getpass that causes a fallback version
to be used when `sys.stdin` is changed. I change `sys.stdin` in my
`win_unicode_console` package, and in this situation there is no reason to use
the fallback version (see
https
New submission from Adam Wasik:
>>> file = open(r"C:\adam.txt","r+")
>>> file.read()
'TEXT TEXT TEXT TEXT TEXT TEXT TEXT\nTEXT TEXT TEXT TEXT TEXT TEXT TEXT\nTEXT TE
XT TEXT TEXT TEXT TEXT TEXT\nTEXT TEXT TEXT TEXT TEXT TEXT TEXT\nTEXT TEXT TEXT
TEXT TE
Adam Wasik added the comment:
duplicate of the issue #12215
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Python-
Adam Bishop added the comment:
A note about this issue should really be added to the documentation - on OS X,
it fails with the rather non-sensical "OSError: [Errno 9] Bad file descriptor",
making this very hard to debug.
I don't have any specific requirement for fork suppor
New submission from Adam Bartoš:
Consider the following code:
>>> 1, 2
File "", line 1
1, 2
^
SyntaxError: invalid character in identifier
The error is due to the fact, that the space before "2" is actually a
non-breaking space. The error message and
Adam Bartoš added the comment:
That explains the message. But why is the caret at a wrong place?
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Adam Bartoš added the comment:
We have one particular invalid token, so why it should point to the next token
rather than to the invalid one?
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Python tracker
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Adam Bartoš added the comment:
It could still point to the first or the last byte of the invalid token rather
than to the start of the next token. Also, by the Python implementation of the
tokenizer in tokenize module we get an ERRORTOKEN containing a non-breaking
space followed by a number
New submission from Adam Roberts:
This was fixed for Python 3 in https://bugs.python.org/issue8844 but needs to
be backported.
--
components: Library (Lib)
messages: 277639
nosy: Adam Roberts
priority: normal
severity: normal
status: open
title: Condition.wait() doesn't
New submission from Adam Bartoš:
In my setting (Python 3.6b1 on Windows), trying to prompt a non-ASCII character
via input() results in mojibake. This is related to the recent fix of #1602 and
so is Windows-specific.
>>> input("α")
╬▒
The result corresponds to prin
Adam Bartoš added the comment:
A related issue is that the REPL doesn't use sys.stdin for input, see #17620.
Another related issue is #28333. I think that the situation around stdio in
Python is complicated an inflexible (by stdio I mean all the interactions
between REPL, input(),
Adam Bartoš added the comment:
Maybe this was fixed with the recent fix of #1602.
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Adam Bartoš added the comment:
Other related issues are #1927 and #24829.
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Adam Bartoš added the comment:
The main reason I have extended the support of win_unicode_console to Python
2.7 was that the related issues won't be fixed there, so using
win_unicode_console may fix this as well.
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Adam Bartoš added the comment:
Does GNU readline do anything fancy about printing the prompt? Because you may
want to use GNU readline for autocompletition while still enable colored output
via wrapped stdout. Both at the same time with one call to input(). It seems
that currently either you
New submission from Adam Stewart:
I'm writing a wrapper that optionally accepts a file and reads more options
from that file. The wrapper then needs to pass all of these options and the
file to another program (qsub). Here is a minimal example to reproduce the
behavior I'm seeing:
Adam Stewart added the comment:
Works for me, thanks Wolfgang!
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Python tracker
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Grzegorz Adam Hankiewicz
added the comment:
Previous bug report would be now http://bugs.python.org/issue1001604.
--
type: -> behavior
_
Tracker <[EMAIL PROTECTED]&
Grzegorz Adam Hankiewicz
added the comment:
Any progress report on this issue, please?
_
Tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/iss
Grzegorz Adam Hankiewicz
added the comment:
Any progress report on this issue, please?
_
Tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/iss
Change by Marc Adam Anderson :
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Ricky Ng-Adam added the comment:
I find this resolution to rejected somewhat questionable. It has been pointed
that the mmap behavior in Python differs from the behavior of the underlying
mmap as defined by the system documentation.
I think the incorrect assumption here is that mmap is used
Adam Tauno Williams added the comment:
test fails for me with provided bad.tar [as described in comment] but test
passed after applying patch to tarfile.
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New submission from Grzegorz Adam Hankiewicz :
I've installed the official 2.6.3 dmg file of python and now want to
uninstall it to revert to the python version included by default by the
OS. I would do so if I knew what I have to remove or change.
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Marc Adam Anderson added the comment:
Unable to reproduce this bug on Mac OS X 10.8.3 (12D78) using Python 3.4.0a0
and the following browsers:
- Google Chrome 25.0.1364.172
- Firefox 13.0.1
- Safari 6.0.3 (8536.28.10)
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Python
Marc Adam Anderson added the comment:
Tested patch using Python 3.4.0a0 on Mac OS X 10.8.3 (12D78). Patch appears to
fix the bug.
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Python tracker
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Marc Adam Anderson added the comment:
This enhancement has been implemented. The code is based on hoffman's code.
Tests for this enhancement, as well as tests for os.getcwd() have also been
added. The docs have been updated and tested locally.
--
keywords: +patch
nosy: +marcadam
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