On 3 December 2011 23:51, Peter Otten __pete...@web.de wrote:
Arnaud Delobelle wrote:
I need to generate some java .properties files in Python (2.6 / 2.7).
It's a simple format to store key/value pairs e.g.
blue=bleu
green=vert
red=rouge
The key/value are unicode strings. The annoying
Arnaud Delobelle wrote:
On 3 December 2011 23:51, Peter Otten __pete...@web.de wrote:
Arnaud Delobelle wrote:
I need to generate some java .properties files in Python (2.6 / 2.7).
It's a simple format to store key/value pairs e.g.
blue=bleu
green=vert
red=rouge
The key/value are
On 12/02/2011 03:29 PM, 8 Dihedral wrote:
I clear my point a hash is a collection of (key, value) pairs that have
well defined methods and behavior to be used in programming.
The basic operations of a hash normally includes the following:
1. insertion of a (key, value) pair into the hash
On 12/02/2011 04:48 PM, 8 Dihedral wrote:
On Friday, December 2, 2011 1:00:10 PM UTC+8, Chris Angelico wrote:
On Fri, Dec 2, 2011 at 3:29 PM, 8 Dihedral
dihedr...@googlemail.com wrote:
I clear my point a hash is a collection of (key, value) pairs that have
well defined methods and
Op 2011-12-02 6:48, 8 Dihedral schreef:
A hash stores (k,v) pairs specified in the run time with auto memory
management build in is not a simple hash function to produce data
signatures only clearly in my post.
What I said a hash which is lifted as a basic type in python is
called a
Terry Reedy tjre...@udel.edu writes:
[Hashing is] pretty much mandated because of the __hash__ protocol.
Lib Ref 4.8. Mapping Types — dict
A mapping object maps hashable values to arbitrary objects.
This does not say that the mapping has to *use* the hash value ;-).
Even if it does, it
2011/12/5 Hrvoje Niksic hnik...@xemacs.org:
If a Python
implementation tried to implement dict as a tree, instances of classes
that define only __eq__ and __hash__ would not be correctly inserted in
such a dict.
Couldn't you just make a tree of hash values? Okay, that's probably
not the most
In IPython:
import struct
struct.calcsize('4s')
4
struct.calcsize('Q')
8
struct.calcsize('4sQ')
16
This doesn't make sense to me. Can anyone explain?
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On 4 December 2011 10:22, Peter Otten __pete...@web.de wrote:
I found another one:
uäöü ΦΧΨ.encode(latin1, backslashreplace)
'\xe4\xf6\xfc \\u03a6\\u03a7\\u03a8'
That's it! I was hoping for a built-in solution and this is it. FTR,
the 'backslashreplace' argument tells the encoder to replace
On Mon, Dec 5, 2011 at 1:25 AM, Glen Rice glen.rice.n...@gmail.com wrote:
In IPython:
import struct
struct.calcsize('4s')
4
struct.calcsize('Q')
8
struct.calcsize('4sQ')
16
This doesn't make sense to me. Can anyone explain?
Same thing happens in CPython, and it looks to be the result of
Glen Rice glen.rice.n...@gmail.com wrote:
In IPython:
import struct
struct.calcsize('4s')
4
struct.calcsize('Q')
8
struct.calcsize('4sQ')
16
This doesn't make sense to me. Can anyone explain?
When you mix different types in a struct there can be padding inserted
between the items. In
On 12/04/2011 09:35 AM, Chris Angelico wrote:
On Mon, Dec 5, 2011 at 1:25 AM, Glen Riceglen.rice.n...@gmail.com wrote:
In IPython:
import struct
struct.calcsize('4s')
4
struct.calcsize('Q')
8
struct.calcsize('4sQ')
16
This doesn't make sense to me. Can anyone explain?
Same thing
Glen Rice wrote:
In IPython:
import struct
struct.calcsize('4s')
4
struct.calcsize('Q')
8
struct.calcsize('4sQ')
16
This doesn't make sense to me. Can anyone explain?
A C compiler can insert padding bytes into a struct:
By default, the result of packing a given C struct includes pad
On Dec 4, 9:38 am, Duncan Booth duncan.bo...@invalid.invalid wrote:
Glen Rice glen.rice.n...@gmail.com wrote:
In IPython:
import struct
struct.calcsize('4s')
4
struct.calcsize('Q')
8
struct.calcsize('4sQ')
16
This doesn't make sense to me. Can anyone explain?
When you mix
On Mon, Dec 5, 2011 at 1:51 AM, Dave Angel d...@davea.name wrote:
On 12/04/2011 09:35 AM, Chris Angelico wrote:
struct.calcsize(4sQ)
16
struct.calcsize(Q4s)
12
The eight-byte integer is aligned on an eight-byte boundary, so when
it follows a four-byte string, you get four padding bytes
On Sunday, December 4, 2011 9:41:19 PM UTC+8, Roel Schroeven wrote:
Op 2011-12-02 6:48, 8 Dihedral schreef:
A hash stores (k,v) pairs specified in the run time with auto memory
management build in is not a simple hash function to produce data
signatures only clearly in my post.
Hello!
I'm pleased to announce version 1.2.1, the first stable release of branch
1.2 of SQLObject.
What is SQLObject
=
SQLObject is an object-relational mapper. Your database tables are described
as classes, and rows are instances of those classes. SQLObject is meant to be
On Sun, Dec 4, 2011 at 8:39 AM, 8 Dihedral
dihedral88...@googlemail.com wrote:
Thanks for your comments. Are we gonna talk about the way to implement a hash
table or the use of a hash table in programming?
Implementing a hash table is not very relevant on a list about Python,
which already
A hash that can hash objects is not a trivial hash function
On Monday, December 5, 2011 1:41:14 AM UTC+8, Ian wrote:
On Sun, Dec 4, 2011 at 8:39 AM, 8 Dihedral
dihedr...@googlemail.com wrote:
Thanks for your comments. Are we gonna talk about the way to implement a
hash
table or the
in recent news...
Python wins LinuxJournal's Readers' Choice Awards 2011 as Best
Programming Language:
http://www.linuxjournal.com/slideshow/readers-choice-2011?page=27
yee-haw!! it's even more amazing that Python has won this title 3
straight years. let's celebrate and get back to building
On 12/04/11 08:08, Chris Angelico wrote:
2011/12/5 Hrvoje Niksichnik...@xemacs.org:
If a Python
implementation tried to implement dict as a tree, instances of classes
that define only __eq__ and __hash__ would not be correctly inserted in
such a dict.
Couldn't you just make a tree of hash
On Sun, Dec 4, 2011 at 11:06 AM, 8 Dihedral
dihedral88...@googlemail.com wrote:
If you want to talk about ways to use dicts, please start a different
thread for it. As has been pointed out several times now, it is
off-topic for this thread, which is about hash *functions*.
A hash that
On Sat, 03 Dec 2011 05:54:19 +0200, Antti J Ylikoski wrote:
I'm in the process of learning Python. I already can code
objet-oriented programs with the language. I have in my hands the
O'Reilly book by Mark Lutz, Programming Python, in two versions: the 2nd
Edition, which covers Python 2,
On Monday, December 5, 2011 4:13:01 AM UTC+8, Ian wrote:
On Sun, Dec 4, 2011 at 11:06 AM, 8 Dihedral
dihedr...@googlemail.com wrote:
If you want to talk about ways to use dicts, please start a different
thread for it. As has been pointed out several times now, it is
off-topic for this
Duh. What's the point you're trying to make?
On Mon, Dec 5, 2011 at 10:17 AM, 8 Dihedral
dihedral88...@googlemail.com wrote:
On Monday, December 5, 2011 4:13:01 AM UTC+8, Ian wrote:
On Sun, Dec 4, 2011 at 11:06 AM, 8 Dihedral
dihedr...@googlemail.com wrote:
If you want to talk about
On Sun, Dec 4, 2011 at 4:17 PM, 8 Dihedral
dihedral88...@googlemail.com wrote:
Please explain what you think a hash function is, then. Per
Wikipedia, A hash function is any algorithm or subroutine that maps
large data sets to smaller data sets, called keys.
Are you miss-leading the
Hi all,
I've written a Python API for the Windows Azure Service Management web-
service. Requests against the web-service are HTTPS with a client
certificate used for authentication. This works fine with CPython
(tested with 2.6 and 2.7) on Linux, but something is amiss with the
SSL connection
On 12/4/2011 6:17 PM, 8 Dihedral wrote:
In python the (k,v) pair in a dictionary k and v can be both an objects.
v can be a tuple or a list.
In Python, everything is an object. *tuple* and *list* are subclasses of
*object*. The value v for a dict can be any object, and must be an
On Monday, December 5, 2011 7:24:49 AM UTC+8, Ian wrote:
On Sun, Dec 4, 2011 at 4:17 PM, 8 Dihedral
dihedr...@googlemail.com wrote:
Please explain what you think a hash function is, then. Per
Wikipedia, A hash function is any algorithm or subroutine that maps
large data sets to
On 12/05/2011 11:52 AM, 8 Dihedral wrote:
On Monday, December 5, 2011 7:24:49 AM UTC+8, Ian wrote:
On Sun, Dec 4, 2011 at 4:17 PM, 8 Dihedral
dihedr...@googlemail.com wrote:
Please explain what you think a hash function is, then. Per
Wikipedia, A hash function is any algorithm or
Dihedral, you're back to double posting. Please stop. Send to the mailing
list, or to the newsgroup, it doesn't matter. But don't send to both.
Further comments below.
On Sun, 04 Dec 2011 16:52:14 -0800, 8 Dihedral wrote:
If v is a tuple or a list then a dictionary in python can replace
Lie Ryan wrote:
On 12/05/2011 11:52 AM, 8 Dihedral wrote:
On Monday, December 5, 2011 7:24:49 AM UTC+8, Ian wrote:
On Sun, Dec 4, 2011 at 4:17 PM, 8 Dihedral
dihedr...@googlemail.com wrote:
Please explain what you think a hash function is, then. Per
Wikipedia, A hash function is any
Yes. I sent a mail earlier asking such and it was bounced. I'm one
email from also blocking this fellow.
On Mon, Dec 5, 2011 at 12:59 PM, Lie Ryan lie.1...@gmail.com wrote:
On 12/05/2011 11:52 AM, 8 Dihedral wrote:
On Monday, December 5, 2011 7:24:49 AM UTC+8, Ian wrote:
On Sun, Dec 4,
Ethan Furman et...@stoneleaf.us writes:
Lie Ryan wrote:
trying not to be rude, but the more you talk, the more Im convince
that you're trolling. Welcome to my killfile.
I think he's a bot, and he's been in my killfile for a while now.
Having a ludicrous name doesn't help, and is part of
Two methods:
1) If you need your hash only once in an infrequent while, then save
the elements in a list, appending as needed, and sort prior to
hashing, as needed
2) If you need your hash more often, you could keep your elements in a
treap or red-black tree; these will maintain sortedness
Hello All,
I am new to python and i have stuck up on a particular issue with classes,
i understand this might be a very dumb question but please help me out.
I have created two classes and whenever i try to print the objects i get
this message but not the data, __main__.cards instance at
On 12/05/2011 02:11 AM, Suresh Sharma wrote:
Hello All,
I am new to python and i have stuck up on a particular issue with classes,
i understand this might be a very dumb question but please help me out.
I have created two classes and whenever i try to print the objects i get
this message but
Georg Brandl ge...@python.org added the comment:
I agree with Benjamin.
--
nosy: +georg.brandl
___
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___
Antoine Pitrou pit...@free.fr added the comment:
Is the following change in behavior caused by the fix for this issue?
$ python3.2 -c $'class A(IOError):\n def __init__(self, arg): pass\nA(arg=1)'
$ python3.3 -c $'class A(IOError):\n def __init__(self, arg): pass\nA(arg=1)'
Traceback
Antoine Pitrou pit...@free.fr added the comment:
Hello Jon, and thanks for the patch. I have a couple of comments:
- readinto() shouldn't return None but 0 when there is nothing to read (this
corresponds to read() returning b)
- I see _read_chunked() is only ever called with amt=None, so
Antoine Pitrou pit...@free.fr added the comment:
Is the following change in behavior caused by the fix for this issue?
$ python3.2 -c $'class A(IOError):\n def __init__(self, arg):
pass\nA(arg=1)'
$ python3.3 -c $'class A(IOError):\n def __init__(self, arg):
pass\nA(arg=1)'
Martin v. Löwis mar...@v.loewis.de added the comment:
Closing this as rejected, for the reasons given.
--
resolution: - rejected
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13526
Nick Coghlan ncogh...@gmail.com added the comment:
There's a fairly sophisticated tapdance in object.__new__ that deals with this
problem at that level.
See: http://hg.python.org/cpython/file/default/Objects/typeobject.c#l2869
The new IOError may require something similarly sophisticated to
Changes by Antoine Pitrou pit...@free.fr:
--
versions: +Python 3.2, Python 3.3
___
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http://bugs.python.org/issue9420
___
___
Tim Golden m...@timgolden.me.uk added the comment:
OK, the long and short is that spwaning a process without passing
in SystemRoot is asking for trouble. There's a blog post here
which gives an example:
Jason R. Coombs jar...@jaraco.com added the comment:
After yet another commit, the build bots are green again:
http://hg.python.org/cpython/rev/8fa1dc66de5d
--
___
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http://bugs.python.org/issue13211
Jon Kuhn jonk...@gmail.com added the comment:
Thanks for the comments. Attached is an updated patch.
In the RawIOBase docs it says If the object is in non-blocking mode and no
bytes are available, None is returned. So I wasn't sure if that meant any
time no bytes were available or just when
New submission from Antoine Pitrou pit...@free.fr:
This is a slimmed down rewrite of the performance question in the FAQ (also
moved around to a dedicated subheader).
--
assignee: docs@python
components: Documentation
files: perffaq.patch
keywords: patch
messages: 148853
nosy:
Irmen de Jong ir...@razorvine.net added the comment:
Added new patch that only does the new reduction when protocol is 3 or higher.
--
Added file: http://bugs.python.org/file23852/bytearray3x_reduceex.patch
___
Python tracker rep...@bugs.python.org
New submission from Alex Gaynor alex.gay...@gmail.com:
I don't have a particularly minimal test case for this, however I am able to
reproduce it consistently (so far reproduced on multiple machines, 32-bit and
64-bit on 2.6 and 2.7), using these steps:
First get a checkout of the PyPy
Alex Gaynor alex.gay...@gmail.com added the comment:
Antoine asked for a gdb bt, here's the last couple of useful frames:
#0 _PyWeakref_ClearRef (self=0x4000) at Objects/weakrefobject.c:97
#1 0x004d4c66 in handle_weakrefs (old=0x78a2b0,
unreachable=0x7fff87b0) at
Changes by Piotr Dobrogost p...@python.dobrogost.net:
--
nosy: +piotr.dobrogost
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue1660009
___
___
Alex Gaynor alex.gay...@gmail.com added the comment:
Turns out this was a subtle bug in some raw memory manipulation code, which
amaury spotted.
--
resolution: - invalid
status: open - closed
___
Python tracker rep...@bugs.python.org
Changes by Piotr Dobrogost p...@python.dobrogost.net:
--
nosy: +piotr.dobrogost
status: pending - open
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue3276
___
Roundup Robot devn...@psf.upfronthosting.co.za added the comment:
New changeset 2111bf7e5bca by Antoine Pitrou in branch '3.2':
Issue #13527: remove mention of Python megawidgets and Tkinter3000 WCK
http://hg.python.org/cpython/rev/2111bf7e5bca
New changeset f0008683585c by Antoine Pitrou in
Changes by Antoine Pitrou pit...@free.fr:
--
resolution: - fixed
stage: - committed/rejected
status: open - closed
___
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___
Changes by Nick Coghlan ncogh...@gmail.com:
--
hgrepos: -93
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue11816
___
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Changes by Nick Coghlan ncogh...@gmail.com:
--
hgrepos: +94
___
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Changes by Nick Coghlan ncogh...@gmail.com:
Added file: http://bugs.python.org/file23853/5ce60675e572.diff
___
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___
Nick Coghlan ncogh...@gmail.com added the comment:
MvL pointed out I hadn't updated the Hg repo reference when I moved my sandbox
over to BitBucket - the diff it was generating was from the last time I updated
my pydotorg sandbox in order to try something on the buildbots.
--
James Polley jamezpol...@gmail.com added the comment:
So http://bitbucket.org/birkenfeld/sphinx/issue/140/ has now been closed;
sphinx happily builds epub.
However, the python docs are still not available for download in epub format
from http://docs.python.org/download.html, which was the
New submission from Ned Batchelder n...@nedbatchelder.com:
The docs for os.lseek don't make any mention of its return value. I believe
it's the new offset in the file, but I'm not sure if there are other subtleties
to be mentioned.
--
assignee: docs@python
components: Documentation
Marco Scataglini atlant...@gmx.com added the comment:
At first I did no see the difference on preserving the existing correct
behavior and fixing the issue between the two patches... and I thought less is
more, so mine was better...
But, I checked again and by:
... running a python script
Martin v. Löwis mar...@v.loewis.de added the comment:
The only subtlety is that the result is the offset from the beginning,
independent of the how value. It may also raise exceptions.
--
nosy: +loewis
___
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Roger Serwy roger.se...@gmail.com added the comment:
I attached a better patch that preserves the goals of the original code while
not creating two color delegators.
I traced down when the regression occurred (2007-09-06):
(a4bd8a4805a8) 1. Fail gracefully if the file fails to decode when
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