Matthew added the comment:
Hello,
Thanks for all the help people have given me! I've found the solution to my
problem. The Environment Variable was set below every other, leading to a
different Python interpreter to being used, which was probably bundled with a
different software. I
Matthew added the comment:
> Probably there was also shadowing involved, since the built-in module doesn't
> try to load anything else. Would be nice to know for sure (@Matthew) to make
> sure we don't have some other issue here, but you're right, I don't see
Matthew added the comment:
Let me preface this by declaring that I am very new to Python async so it is
very possible that I am missing something seemingly obvious. That being said,
I've been looking at various resources to try to understand the internals of
asyncio and it hasn't
New submission from Matthew :
The parser for passing an addr_spec to email.headerregistry.Address does not
allow non-ASCII local parts, but the rest of the email package handles them
fine, either straight (with explicit references to RFC6532 and SMTPUTF8), or
encoding as expected. Apologies
New submission from Matthew :
I'm using the Expat python interface to parse multiple XML files in an
application and have found that it throws a "Memory Error" exception if
multiple calls are made to xmlparser.ParseFile(file) on the same
xmlparser object. This occurs even
Matthew added the comment:
This also occurs with Python 2.5.1 on OS X
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New submission from Matthew :
What I intended was...
I create a list of DIFFERENT instances of the same class, I wanted them
to be different instances, with different values for the properties,
stressing the word "DIFFERENT".
What I originally did was...
The __init__ assigns default
Matthew added the comment:
I didn't keep a copy of the code that didn't work. Sorry.
When I changed the way I was initialising the classes, before adding
them to the list, I didn't change any of the logical flow in my code,
and it started to work.
I know it sounds very s
Matthew added the comment:
Trust me this was no typo.
I debugged my code by adding print statements to see what values were
going into the list, and print statements to see the values that were
coming out.
It might be that running code from the application Blender does bazaar
things, or it
Matthew added the comment:
First File
This is the main one, it's the one that is called from the Blender
application.
--
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Matthew added the comment:
Second file
The loads of code for building a wall
--
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Matthew added the comment:
Third file...
all the classes for holding the data
--
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Matthew added the comment:
Forth and final file...
Just a little error handling and stuff I want all my classes to inherit
--
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Matthew added the comment:
If you want to run it I'm afraid you'll have to:
1) install Blender (www.blender.org)
2) put all those files in C:\Program Files\Blender
Foundation\Blender\.blender\scripts\MyWalls\src\
3) in the Blender application goto scripts ---> Objects ---> B
Matthew added the comment:
So why is it able to create instances and add them to the
lstFeatureVariables list, surely it should go wrong there and not allow
the instances to be created.
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Matthew added the comment:
OK, sorry for the rambling, just ignore it
Cheers...
--
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Change by Matthew Rahtz :
--
components: +Parser, Tests
nosy: +lys.nikolaou, pablogsal
title: Add support for PEP 646 (Variadic Generics) to typing.py -> Add support
for PEP 646
versions: +Python 3.11 -Python 3.10
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Change by Matthew Rahtz :
--
pull_requests: +28607
pull_request: https://github.com/python/cpython/pull/30398
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Matthew Barnett added the comment:
They're not supported in string literals either:
Python 3.10.1 (tags/v3.10.1:2cd268a, Dec 6 2021, 19:10:37) [MSC v.1929 64 bit
(AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more inf
Change by Matthew Barnett :
--
stage: -> resolved
status: open -> closed
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Change by Matthew Rahtz :
--
pull_requests: +29199
pull_request: https://github.com/python/cpython/pull/31018
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Change by Matthew Rahtz :
--
pull_requests: +29200
pull_request: https://github.com/python/cpython/pull/31019
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Change by Matthew Rahtz :
--
pull_requests: +29202
pull_request: https://github.com/python/cpython/pull/31021
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New submission from Matthew Rahtz :
There's currently not much documentation in `typing.py` for `_GenericAlias`.
Some fairly weird things go on in there, so it would be great to have more info
in the class about what's going on and why various edge cases are necessary.
--
Matthew Davis added the comment:
In addition to fixing any unexpected behavior, can we update the documentation
[1] to state what the expected behavior is in terms of thread safety?
[1] https://docs.python.org/3/library/zipfile.html
--
nosy: +mdavis-xyz
New submission from Matthew Stidham :
The file which I found the error in is in
https://github.com/greearb/lanforge-scripts
--
components: C API
files: debug from pandas failure.txt
messages: 412400
nosy: matthewstidham
priority: normal
severity: normal
status: open
title: CSV
Matthew Stidham added the comment:
the problem was a file in our library screwing up the python configuration
--
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status: open -> closed
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Change by Matthew Suozzo :
--
pull_requests: +29275
pull_request: https://github.com/python/cpython/pull/31090
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Matthew Barnett added the comment:
That pattern has:
(?P[^]]+)+
Is that intentional? It looks wrong to me.
--
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Matthew Barnett added the comment:
The expression is a repeated alternative where the first alternative is a
repeat. Repeated repeats can result in a lot of attempts and backtracking and
should be avoided.
Try this instead:
(0|1(01*0)*1
Changes by Matthew Russell:
--
components: Interpreter Core, Library (Lib)
files: py3k_bug1.txt
severity: urgent
status: open
title: itertools missing, causes interactive help to break
type: behavior
versions: Python 3.0
__
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Matthew Fremont added the comment:
I hit the same issue, and I think the problem is that at line 515 in
pstats.py add_callers() the two stats instead of adding them
member-wise. As a result, each time add() is called, the number of stats
associated with each func grows by 4. Then, when
New submission from Matthew Newcomb :
I was cleaning up some old code to make it pep8 compliant and came across this
bug. Switching from 'has_key' to 'in' does not work with a
xml.dom.minidom.NamedNodeMap. An easy solution appears to be to add a
'__contains_
Matthew Barnett added the comment:
The quantifiers use 65535 to represent no upper limit, so ".{0,65535}" is
equivalent to ".*".
For example:
>>> re.match(".*", "x" * 10).span()
(0, 10)
>>> re.match(".{0,65535}", &
Matthew Barnett added the comment:
The limit is an implementation detail. The pattern is compiled into codes which
are then interpreted, and it just happens that the codes are (usually) 16 bits,
giving a range of 0..65535, but it uses 65535 to represent no limit and doesn't
warn i
Matthew Woodcraft added the comment:
The proposed --nopath0 option is something I've wished I had in the past.
If this is added, it would be good if it could be given a single-letter form
too, because it's an option that would be useful in #! lines (they don't
reliably sup
Matthew Barnett added the comment:
In reply to Ezio, the repr of a large string, list, tuple or dict is also long.
The repr of a compiled regex should probably also show the flags, but should it
just be the numeric value?
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Matthew Barnett added the comment:
Actually, one possibility that occurs to me is to provide the flags within the
pattern. The .pattern attribute gives the original pattern, but repr could give
the flags in-line at the start of the pattern:
>>> # Assuming Python 3.
>>>
Matthew Barnett added the comment:
I'm just adding this to the regex module and I've come up against a possible
issue. The regex module supports named lists, which could be very big. Should
the entire contents of those lists also be shown in the repr?They would have to
be if the
Matthew Barnett added the comment:
That's not a bug.
This might help to explain what's going on:
What do (lambda) function closures capture in Python?
http://stackoverflow.com/questions/2295290/what-do-lambda-function-closures-capture-in-python
--
nosy: +
Matthew Barnett added the comment:
This also raises MemoryError:
re.match(r'()*?1', 'a1')
but none of these do:
re.match(r'()+1', 'a1')
re.match(r'()*1', 'a1')
--
nosy: +mrabarnett
___
Matthew Boehm added the comment:
Here are some windows results with Python 2.7:
>>> import re
>>> re.match("()*?1", "1")
<_sre.SRE_Match object at 0x025C0E60>
>>> re.match("()+?1", "1")
>>> re.ma
New submission from Matthew Brunt :
i'm very new to python (currently going through a python for beginners book at
work to pass the time), and i'm having trouble with an if statement exercise.
basically, i'm creating a very simple password program that displays "Access
Matthew Barnett added the comment:
The new regex imlementation is hosted here:
https://code.google.com/p/mrab-regex-hg/
The span of m['a_thing'] is m.span('a_thing'), if that helps.
The named groups are listed on the pattern object, which can be accessed via
m.re:
>
New submission from Matthew Barnett :
Someone over at StackOverflow had a problem with urlopen in Python 3.2.1:
http://stackoverflow.com/questions/6892573/problem-with-urlopen/6892843#6892843
This is the code:
from urllib.request import urlopen
f =
urlopen('http://online.ws
Matthew Barnett added the comment:
Just been told this bug has already been reported as issue #12576.
--
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New submission from Matthew Hemke :
tkSimpleDialog.askstring allows empty input. The attached patch adds validation
to the input to ensure it is not empty.
--
components: Tkinter
files: askstring.patch
keywords: patch
messages: 141868
nosy: rabbidous
priority: normal
severity: normal
Changes by Matthew Hemke :
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Matthew Hemke added the comment:
What about adding a validatecommand option like on Tkinter.Entry?
For what I am trying to do it was sort of a kludge to validate the entry
because an empty string was invalid, but in the interface design, it would have
been "rude" to validate after
Matthew Hemke added the comment:
I'm not sure if I misunderstood you, or you misunderstood me, but adding an
option to the askstring dialog that would take a function handle would also
allow you to use it for things other than strings (ints,etc.)
Tkinter Entry does this: you se
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Matthew Barnett added the comment:
In a narrow build, a codepoint in the astral plane is encoded as surrogate pair.
I could implement a workaround for it in the regex module, but I think that the
proper place to fix it is in the language as a whole, perhaps by implementing
PEP 393 ("Fle
Matthew Barnett added the comment:
There are occasions when you want to do string slicing, often of the form:
pos = my_str.index(x)
endpos = my_str.index(y)
substring = my_str[pos : endpos]
To me that suggests that if UTF-8 is used then it may be worth profiling to see
whether caching the
Matthew Barnett added the comment:
You're right about starting the second search from where the first finished.
Caching the position would be an advantage there.
The memory cost of extra pointers wouldn't be so bad if UTF-8 took less space
than the current format.
Regex isn'
Matthew Barnett added the comment:
On a narrow build, "\N{MATHEMATICAL SCRIPT CAPITAL A}" is stored as 2 code
units, and neither re nor regex recombine them when compiling a regex or
looking for a match.
regex supports \xNN, \u and \U and \N{XYZ} itself, so they can be
Matthew Barnett added the comment:
Have a look here: http://98.245.80.27/tcpc/OSCON2011/gbu/index.html
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Matthew Barnett added the comment:
For what it's worth, I've had idea about string storage, roughly based on how
*nix stores data on disk.
If a string is small, point to a block of codepoints.
If a string is medium-sized, point to a block of pointers to codepoint blocks.
If a
Matthew Schwickerath added the comment:
Any plans on actually patching this in 2.7 any time soon? This is affecting
our software and hanging it on random occasions.
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Matthew Barnett added the comment:
For the "Line_Break" property, one of the possible values is "Inseparable",
with 2 permitted aliases, the shorter "IN" (which is reasonable) and
"Inseperable" (ouch!).
--
_
Matthew Barnett added the comment:
Even if this bug is fixed, it still won't work as you expect, and this s why.
The Scanner function accepts a list of 2-tuples. The first item of the tuple is
a regex and the second is a function. For example:
re.Scanner([(r"\d+", number)
Matthew Barnett added the comment:
There are some oddities in Unicode case-folding.
Under full case-folding, both "\N{LATIN CAPITAL LETTER SHARP S}" and "\N{LATIN
SMALL LETTER SHARP S}" fold to "ss", which means that those codepoints match
each other.
Howe
Matthew Barnett added the comment:
The regex module currently uses simple case-folding, although I'm working
towards full case-folding, as listed in
http://www.unicode.org/Public/UNIDATA/CaseFolding.txt.
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New submission from Matthew Boehm :
A file opened with codecs.open() splits on a form feed character (\x0c) while a
file opened with open() does not.
>>> with open("formfeed.txt", "w") as f:
... f.write("line \fone\nline two\n")
...
>>> with
Matthew Boehm added the comment:
Thanks for explaining the reasoning.
Perhaps I should add this to the python wiki
(http://wiki.python.org/moin/Unicode) ?
It would be nice if it fit in the docs somewhere, but I'm not sure where.
I'm curious how (or if) 2to3 would handle this as
Changes by Matthew Boehm :
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status: open -> closed
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Matthew Boehm added the comment:
I'll suggest a patch for the documentation when I get to my home computer in an
hour or two.
--
assignee: -> docs@python
components: +Documentation -Interpreter Core
nosy: +docs@python
resolution: wont fix ->
status: clo
Matthew Boehm added the comment:
I'm taking a look at the docs now.
I'm considering adding a table/list of characters python treats as newlines,
but it seems like this might fit better as a note in
http://docs.python.org/library/stdtypes.html#str.splitlines or somewhere else
i
Matthew Boehm added the comment:
I've attached a patch for python2.7 that adds a small not to
library/stdtypes.html#str.splitlines explaining which sequences are treated as
line breaks:
"""
Note: Python recognizes "\r", "\n", and "\r\n" as
Matthew Boehm added the comment:
I can fix the patch to list all the unicode line boundaries. The three places
I've considered putting it are:
1. On the howto/unicode.html
2. Somewhere in the stdtypes.html#typesseq description (maybe with other notes
at the bottom)
3. As a note t
Matthew Boehm added the comment:
I've attached a patch for 2.7 and will attach one for 3.2 in a minute.
I built the docs for both 2.7 and 3.2 and verified that there were no warnings
and that the resulting web pages looked okay.
Things to consider:
* Placement of unicode.splitlines() m
Changes by Matthew Boehm :
Added file: http://bugs.python.org/file23077/linebreakdoc.v2.py32.patch
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Matthew Barnett added the comment:
The regex module supports nested sets and set operations, eg.
r"[[a-z]--[aeiou]]" (the letters from 'a' to 'z', except the vowels). This
means that literal '[' in a set needs to be escaped.
For example, re module s
Matthew Barnett added the comment:
I think I need a show of hands.
Should the default be old behaviour (like re) or new behaviour? (It might be
old now, new later.)
Should there be a NEW flag (as at present), or an OLD flag, or a VERSION
parameter (0=old, 1=new, 2
Matthew Barnett added the comment:
The least disruptive change would be to have a NEW flag for the new behaviour,
as at present, and an OLD flag for the old behaviour.
Currently the default is old behaviour, but in the future it will be new
behaviour.
The differences would be:
Old
Matthew Barnett added the comment:
So, VERSION0 and VERSION1, with "(?V0)" and "(?V1)" in the pattern?
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Matthew Barnett added the comment:
I agree with Kamil and Germán. I would've expected negative indexes for
sequences to work. Negative indexes for fields is a different matter.
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Matthew Barnett added the comment:
issue2636-20100814.zip is a new version of the regex module.
I've added default Unicode word boundaries and renamed the Pattern and Match
classes.
Over to you, Alex. :-)
--
Added file: http://bugs.python.org/file18532/issue2636-2010081
Matthew Barnett added the comment:
These have been added to the new 'regex' module. See issue #2636 or PyPI at:
http://pypi.python.org/pypi/regex
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Matthew Barnett added the comment:
If you're on Windows (x86, 32-bit) then compilation isn't necessary - just use
the appropriate _regex.pyd.
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Matthew Barnett added the comment:
issue2636-20100816.zip is a new version of the regex module.
Unfortunately I came across a bug in the handing of sets. More unit tests added.
--
Added file: http://bugs.python.org/file18541/issue2636-20100816.zip
Matthew Barnett added the comment:
issue2636-20100824.zip is a new version of the regex module.
More speedups. Getting towards Perl speed now, depending on the regex. :-)
--
Added file: http://bugs.python.org/file18621/issue2636-20100824.zip
New submission from Matthew Woodcraft :
In CPython, the builtin max() and min() have the property that if there are
items with equal keys, the first item is returned. From a quick look at their
source, I think this is true for Jython and IronPython too.
I propose making this a documented
Matthew Barnett added the comment:
issue2636-20100912.zip is a new version of the regex module.
More speedups. I've been comparing the speed against Perl wherever possible. In
some cases Perl is lightning fast, probably because regex is built into the
language and it doesn't hav
Matthew Woodcraft added the comment:
> (1) Shouldn't 'reverse=True' be omitted in the second doc
> addition?
Yes, of course, sorry.
> (2) I'd also suggest adding a brief comment about what this
> means for distinct, but equal, objects; otherwise it's not
&
Matthew Barnett added the comment:
Another flag? Hmm.
How about this instead: if a scoped flag appears at the end of a regex (and
would therefore normally have no effect) then it's treated as though it's at
the start of the regex. Thus:
foo(?i)
is treated like:
Matthew Barnett added the comment:
The tests for re include these regexes:
a.b(?s)
a.*(?s)b
I understand what Georg said previously about some people preferring to put
them at the end, but I personally wouldn't do that because some regex
implementations support scoped inline
Matthew Barnett added the comment:
OK, so would it be OK if there was, say, a NEW (N) flag which made the inline
flags (?flags) scoped and allowed splitting on zero-width matches?
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