what is it
--
A Python package to parse and build CSS Cascading Style Sheets.
main changes since 0.9.4a4
--
for full details for 0.9.4b1 see the relevant CHANGELOG:
http://cssutils.googlecode.com/svn/tags/TAG_0.9.4b1/CHANGELOG.txt
0.9.4b1
- **FEATURE**:
On Dec 29, 12:27 pm, bruce [EMAIL PROTECTED] wrote:
hi
i'm playing around, researching sqlobject, and i notice that it appears to
require the use of id in each tbl it handles in the database.
if i already have a db schema, and it doesn't use 'id' as an auto-generated
field, does that
On Dec 29, 11:51 am, [EMAIL PROTECTED] wrote:
John would you mind walking me through your class in normal speak?
Yes.
I
only have a vague idea of why it works and this would help me a lot to
get a grip on classes and this sort of particular problem.
It's about time you got a *concrete*
Alaric ha scritto:
Nicely done! I would suggest you put your website address on it and a revision
number so that as it gains use on te web, people can find the latest
version.
That's a good idea, thank you :)
--
GreyFox
--
http://mail.python.org/mailman/listinfo/python-list
Michele Simionato wrote:
Python 2.4.4 (#2, Oct 4 2007, 22:02:31)
file is open
True
Python 2.5.1 (r251:54863, Oct 5 2007, 13:36:32)
file is open
False
Nowadays file is no more an alias for open.
curious... maybe it's me, but I can't find a What's New in Python where
this is said...
Scott David Daniels ha scritto:
Riccardo T. wrote:
Maybe I'll add __builtin__ and os in place of the type hierarchy, but
I'm not sure about that. However, not in the next release. What do you
think about?
How about:
top line w/ __builtin__, os, os.path (and no contents -- inspire
further
ZeD ha scritto:
Michele Simionato wrote:
Python 2.4.4 (#2, Oct 4 2007, 22:02:31)
file is open
True
Python 2.5.1 (r251:54863, Oct 5 2007, 13:36:32)
file is open
False
Nowadays file is no more an alias for open.
curious... maybe it's me, but I can't find a What's New in Python where
George Neuner schrieb:
I know not everyone
works in RT, but I can't possibly be alone in developing applications
that are hard to restart effectively.
Indeed. An additional case is interactive applications where setting up
the situation to be tested requires several time-consuming steps.
hi every body,
I have two columns in a file separted by tabs
If the column1 is common in the row1 and row2 then it should be column 2
should be displayed in the single line.
eg:
col 1 col2
A1
A2
A3
B1
C 2
D 3
Joachim Durchholz [EMAIL PROTECTED] writes:
Indeed. An additional case is interactive applications where setting
up the situation to be tested requires several time-consuming steps.
At least for web development, there are a lot of automated tools that
mimic user input, just for this purpose.
--
On 28 dec, 19:42, Dennis Lee Bieber [EMAIL PROTECTED] wrote:
On Fri, 28 Dec 2007 04:05:59 -0800 (PST), Petar [EMAIL PROTECTED]
declaimed the following in comp.lang.python:
I was just wondering.
What if you have a 'Employees' class and you want to list all the
employees. Currenlty i'm
The Grant Institute's Grants 101: Professional Grant Proposal Writing Workshop
will be heldat Portland State University, January 22 -24, 2008. Interested development professionals, researchers, faculty, and graduate students should register as soon as possible, as demand means that seats will
On 27 Dez., 05:49, Tim Roberts [EMAIL PROTECTED] wrote:
It's true that mallocing in one CRT DLL and freeing in another can cause
problems, but in Python, I don't think that can happen. Proper Python
add-ins call Python APIs to create and destroy objects, so only the Python
runtime will manage
On Sat, 29 Dec 2007 01:53:38 -0800, Petar wrote:
The post of Dennis made me realize of another solution though. To
create another class called Articles which return multiple articles.
The only problem I forsee with this that's it's gonna be a very empty
class.
Then maybe it should not be a
There is at least one actual problem I came across in an application
linked with MSVCR 8.0, loading the Python DLL linked against MSVCR
7.1. When running a Python file using one of the PyRun_File[1]
functions, the passed file handle has to be created from the embedding
application. This
Hi
On Dec 29, 2007 3:08 PM, Beema shafreen [EMAIL PROTECTED] wrote:
hi every body,
I have two columns in a file separted by tabs
If the column1 is common in the row1 and row2 then it should be column
2 should be displayed in the single line.
eg:
col 1 col2
A1
On Dec 29, 2007 2:18 AM, Tim Roberts [EMAIL PROTECTED] wrote:
Kugutsumen [EMAIL PROTECTED] wrote:
I am relatively new the python language and I am afraid to be missing
some clever construct or built-in way equivalent to my 'chunk'
generator below.
I have to say that I have found this to
Hello,
I have some code that stops when trying to find a graph in a list of
similar graphs::
(Pydb) list
110try:
111canonical = self.base[self.base.index(graph)]
112except ValueError:
113raise ValueError, \
114 Cannot find canonical
bruce schrieb:
hi
i'm playing around, researching sqlobject, and i notice that it appears to
require the use of id in each tbl it handles in the database.
if i already have a db schema, and it doesn't use 'id' as an auto-generated
field, does that mean that i can't use/implement
Hi Pythonistas,
Is anyone interested in forming a Brussels(Belgium) area Python User
Group ? I am not aware of any python focused group in this area.
Language could be whatever fits the bill (English/French/Dutch/...)
Focus would be python, ironpython/silverlight, scipy, ORMs, web
frameworks,
George Neuner gneuner2/@/comcast.net writes:
On Fri, 28 Dec 2007 12:54:57 -0800, John Nagle [EMAIL PROTECTED]
wrote:
Actually, the ability to fix a running program [in Lisp] isn't
that useful in real life. It's more cool than useful. Editing a
program from a break was more important
Patrick,
in your first posting you are writing ... I'm trying to learn how to
make pivot tables from some excel sheets Can you be more specific
please? AFIK Excel offers very good support for pivot tables. So why
to read tabular data from the Excel sheet and than transform it to
pivot tabel
Zero Piraeus wrote:
You can try this:
root = etree.parse(...).getroot()
new_root = etree.Element(root.tag, root.attrib)
new_root[:] = root[:]
Note, however, that this will not copy root-level PIs or internal DTD
subsets.
But you can copy PIs and comments by hand.
Thanks. I
On Dec 28, 11:27 pm, bruce [EMAIL PROTECTED] wrote:
i'm playing around, researching sqlobject, and i notice that it appears to
require the use of id in each tbl it handles in the database.
is there a way to overide this function/behavior...
there better be such way. An ORM that does not
On 28 dic, 20:12, Riccardo Murri [EMAIL PROTECTED] wrote:
The list `self.base` contains canonical forms of the graphs and the
`graph` object must compare equal to some item of the list, which
indeed it does::
(Pydb) p graph == self.base[27]
True
(Pydb) p graph in self.base
True
Rico Secada [EMAIL PROTECTED] wrote:
Second, I need some advice.
http://www.nondot.org/sabre/Mirrored/AdvProgLangDesign/
Learn, or better said understand, those and then choose wisely.
Lisp throws lambda calculus right into your face, which is a good
thing. Scheme might be the better
A1
A2
A3
B1
C 2
D 3
D 4
The result should be
A1|2|3
B1
C2
D3|4
What should I do to get my results
Well, it depends on whether the resulting order matters. If not,
you can use
* xkenneth (Fri, 28 Dec 2007 14:51:04 -0800 (PST))
I seem to be having problems with running my python code, written on
a Mac, on Linux and Windows boxes.
You seem to have problems or you do have problems?
It seems like the problem has to do with tab indention,
Why does it seem and what does
hi
am a beginner in python and PIL .I need to read an RGB 8 bit image
(am using jpeg )and pack the rgb color values into a double value so i
can store the image as a list of pixelvalues.From my application i
should be able to call rgbimage1.getpixellist() to retrieve the double
values of an
* Donn Ingle (Fri, 28 Dec 2007 20:01:48 +0200)
I'm 100% new to this i18n lark and my approach so far has been to create
a .mo file per module in my app.
My thinking was, why load one huge .mo file when a single module only needs
a few strings? Since then, it seems, I have made the wrong
Hi there.
As a newbie, I need to learn about callbacks and queues(syntax and
examples) working together.
At work we talk a lot about design patterns. Does any of you know a good
site about that or any good books from Amazon?
I started using python at work in the summer 2007. I think I know
On Dec 29, 3:00 pm, [EMAIL PROTECTED] wrote:
Patrick,
in your first posting you are writing ... I'm trying to learn how to
make pivot tables from some excel sheets Can you be more specific
please? AFIK Excel offers very good support for pivot tables. So why
to read tabular data from the
Thorsten Kampe wrote:
gettext.textdomain('optparse')
gettext.install('script', unicode = True)
They speak of a 'global' domain in the docs, but (as is my usual beef with
the Python docs -- see PHP docs for sterling help) there is no clarity.
It *sounds* like there can be a .mo file for
Yes, I realize Excel has excellent support for pivot tables. However,
I hate how Excel does it and, for my particular excel files, I need
them to be formated in an automated way because I will have a number
of them over time and I'd prefer just to have python do it in a flash
than to do it
Is it possible to use optional delimiters other than tab and colons?
For example:
if this==1 {
print this
}
And is there an alternate delimiter for statements other than the
newline?
print this;print that; #for example
I know I'll probably get yelled at for this question,
On Sat, 29 Dec 2007 09:20:00 -0800, xkenneth wrote:
Is it possible to use optional delimiters other than tab and colons?
No.
And is there an alternate delimiter for statements other than the
newline?
print this;print that; #for example
Yes.
But both are reasons to yell at you. ;-)
I've found some bizzare behavior when using mutable values (lists,
dicts, etc) as the default argument of a function. I want to get the
community's feedback on this. It's easiest to explain with code.
This example is trivial and has design issues, but it demonstrates a
problem I've seen in
On Dec 29, 10:22 am, Tim Chase [EMAIL PROTECTED] wrote:
If, however, order matters, you have to do it in a slightly
buffered manner.
Can be reduced to a sed one-liner
I think the original version works just as well for both cases. Your
sed version however does need the order you mention.
Hi,
I have a C program split into different source files. I am trying a
new compiler and for some reason it only accepts a single source file.
So I need to mix all my different C source files into a single one.
Do you know about some type of python script able to do this kind of
task ?
Thanks
Is this functionality intended?
Google for Python mutable default arguments (you can actually
leave out Python).
It's part of the language semantics, yes.
Regards,
Martin
--
http://mail.python.org/mailman/listinfo/python-list
on a second read ... I see that you mean the case that should only
join consecutive lines with the same key
--
http://mail.python.org/mailman/listinfo/python-list
Paul Rubin schrieb:
Joachim Durchholz [EMAIL PROTECTED] writes:
Indeed. An additional case is interactive applications where setting
up the situation to be tested requires several time-consuming steps.
At least for web development, there are a lot of automated tools that
mimic user input,
On Dec 29, 12:50 pm, bukzor [EMAIL PROTECTED] wrote:
Is this functionality intended? It seems very unintuitive. This has
caused a bug in my programs twice so far, and both times I was
completely mystified until I!realized that the default value was
changing.
it is only unintuitive when you
I started using python at work in the summer 2007. I think I know the
stuff, but I need to expand my understanding of the more complex
programming techniques.
There are various materials on Python and design patterns; just google.
I particularly recommend the talk by Alex Martelli. He gave
På Sat, 29 Dec 2007 19:16:09 +0100, skrev Joachim Durchholz
[EMAIL PROTECTED]:
However, for web applications, I found a far easier variant: I just
reload the page being debugged. (I have to make sure that the backend is
in the same state when reloading, but that's usually easy to
On Dec 29, 10:20 am, xkenneth [EMAIL PROTECTED] wrote:
Is it possible to use optional delimiters other than tab and colons?
For example:
if this==1 {
print this
}
Certainly, it's very possible. Here's how to do it:
1. Download the python source code (easy)
2.
På Sat, 29 Dec 2007 18:58:30 +0100, skrev Arnaud Delobelle
[EMAIL PROTECTED]:
On Dec 29, 3:11 pm, Achim Schneider [EMAIL PROTECTED] wrote:
[...]
Lisp throws lambda calculus right into your face, which is a good
thing. Scheme might be the better choice, it's lexically
xkenneth wrote:
Is it possible to use optional delimiters other than tab and colons?
For example:
if this==1 {
print this
}
http://timhatch.com/projects/pybraces/
Heheheh..
snip
--
--
http://mail.python.org/mailman/listinfo/python-list
On Dec 29, 1:11 pm, Martin v. Löwis [EMAIL PROTECTED] wrote:
Google for Python mutable default arguments
and a mere 30 minutes later this thread is already one of the results
that come up
--
http://mail.python.org/mailman/listinfo/python-list
Hi,
I am looking for a pdf library that will give me a list of pages where
new chapters start. Can someone point me to such a module ?
Regards,
Shriphani P.
--
http://mail.python.org/mailman/listinfo/python-list
on a second read ... I see that you mean the case that should only
join consecutive lines with the same key
Yes...there are actually three cases that occur to me:
1) don't care about order, but want one row for each key (1st value)
2) do care about order, and don't want disjoint runs of
Here's the answer to the question:
http://www.python.org/doc/faq/general/#why-are-default-values-shared-between-objects
It looks like Guido disagrees with me, so the discussion is closed.
For the record, I still think the following would be an improvement to
py3k:
In python25:
def f(a=None):
Nel mezzo del cammin di nostra vita, mi ritrovai con Michael Bernhard Arp
Sørensen che diceva:
Hi there.
As a newbie, I need to learn about callbacks and queues(syntax and
examples) working together.
At work we talk a lot about design patterns. Does any of you know a good
site about
[ Terry Jones ]
[ ... ]
Also consider this solution from O'Reilly's Python Cookbook (2nd Ed.) p705
def chop(iterable, length=2):
return izip(*(iter(iterable),) * length)
Is this *always* guaranteed by the language to work? Should the
iterator returned by izip() change the
Horacius ReX wrote:
Hi,
I have a C program split into different source files. I am trying a
new compiler and for some reason it only accepts a single source file.
So I need to mix all my different C source files into a single one.
Do you know about some type of python script able to do
Hi Igor
Igor == Igor V Rafienko [EMAIL PROTECTED] writes:
Also consider this solution from O'Reilly's Python Cookbook (2nd Ed.)
p705
def chop(iterable, length=2):
return izip(*(iter(iterable),) * length)
Igor Is this *always* guaranteed by the language to work? Should the
Igor iterator
def chop(iterable, length=2):
return izip(*(iter(iterable),) * length)
Is this *always* guaranteed by the language to work?
Yes!
Users requested this guarantee, and I agreed. The docs now explicitly
guarantee this behavior.
Raymond
--
Also consider this solution from O'Reilly's Python Cookbook (2nd Ed.) p705
def chop(iterable, length=2):
return izip(*(iter(iterable),) * length)
However, chop ignores the remainder of the data in the example.
There is a recipe in the itertools docs which handles the
On Dec 29, 12:41 pm, Matt Nordhoff [EMAIL PROTECTED] wrote:
xkenneth wrote:
Is it possible to use optional delimiters other than tab and colons?
For example:
if this==1 {
print this
}
http://timhatch.com/projects/pybraces/
Heheheh..
Wow! I never thought of
On Dec 30, 5:05 am, Horacius ReX [EMAIL PROTECTED] wrote:
Hi,
I have a C program split into different source files. I am trying a
new compiler and for some reason it only accepts a single source file.
The relevance of this question to this newsgroup is zero, but ...
Smashing all of your
On Dec 29, 12:54 pm, Shriphani [EMAIL PROTECTED] wrote:
Hi,
I am looking for a pdf library that will give me a list of pages where
new chapters start. Can someone point me to such a module ?
ReportLab (ReportLab) might help.
Regards,
Shriphani P.
--
On Dec 29, 12:05 pm, Horacius ReX [EMAIL PROTECTED] wrote:
Hi,
I have a C program split into different source files. I am trying a
new compiler and for some reason it only accepts a single source file.
So I need to mix all my different C source files into a single one.
That sounds like one
On 2007-12-29, Horacius ReX [EMAIL PROTECTED] wrote:
I have a C program split into different source files. I am
trying a new compiler and for some reason it only accepts a
single source file.
That's pretty much the way they all work.
So I need to mix all my different C source files into a
Brad == byte8bits [EMAIL PROTECTED] writes:
Brad Best of luck in finding skilled, affordable Ada programmers
Brad outside of major cities.
Which is why it may be a good idea to learn it and earn a lot of $$$ :)
--
http://mail.python.org/mailman/listinfo/python-list
I'm considering deprecating these two functions and would like some
feedback from the community or from people who have a background in
functional programming.
* I'm concerned that use cases for the two functions are uncommon and
can obscure code rather than clarify it.
* I originally added them
I can't figure out why this doesn't work. Any ideas appreciated.
conn = MySQLdb.connect (db = vocab)
cursor = conn.cursor ()
cursor.execute (SELECT VERSION())
row = cursor.fetchone ()
print server version:, row[0]
cursor.close ()
conn.close ()
gives:
server version: 5.0.44-log
but
import
I'm new to programming and I'm trying to find some answers. I wrote a few
python cgi scripts for my website all of which access a mysql db on
'localhost'. My question is, Is it a bad idea to have my username and
password for my db coded in my script? Is there a better way to make sure
that
On Dec 29, 11:54 am, Shriphani [EMAIL PROTECTED] wrote:
Hi,
I am looking for a pdf library that will give me a list of pages where
new chapters start. Can someone point me to such a module ?
Regards,
Shriphani P.
pyPdf may help you with that:
http://pybrary.net/pyPdf/
--
On Sat, 29 Dec 2007 11:14:30 -0800, bukzor wrote:
In python25 (this function from the FAQ linked above):
def f(a, _cache={}):
# Callers will never provide a third parameter for this function.
(then why is it an argument?)
The caller might want to provide it's own pre-prepared cache.
On Dec 29, 6:10 pm, Raymond Hettinger [EMAIL PROTECTED] wrote:
These thoughts reflect my own experience with the itertools module.
It may be that your experience with them has been different. Please
let me know what you think.
first off, the itertools module is amazing, thanks for creating
On Sat, 29 Dec 2007 15:29:25 +, Thorsten Kampe wrote:
I'd personally go for spaces because:
1. I don't like things I cannot see (control characters)
You can see spaces but not tabs? Your editor is pretty weird. In all the
editors I've every used, both spaces and tabs show up as empty
On Sat, 29 Dec 2007 09:50:53 -0800, bukzor wrote:
I've found some bizzare behavior when using mutable values (lists,
dicts, etc) as the default argument of a function.
This FAQ is so Frequently Asked that I sometimes wonder if Python should,
by default, print a warning when it compiles a
hi...
this continues my investigation of python/sqlobject, as it relates to the
need to have an id, which is auto-generated.
per various sites/docs on sqlobject, it appears that you can override the
id, by doing something similar to the following:
def foo(SQLObject):
def _init(self, id,
bruce wrote:
hi...
this continues my investigation of python/sqlobject, as it relates to the
need to have an id, which is auto-generated.
per various sites/docs on sqlobject, it appears that you can override the
id, by doing something similar to the following:
def foo(SQLObject):
On Sat, 29 Dec 2007 15:10:24 -0800, Raymond Hettinger wrote:
* Both functions seem simple and basic until you try to explain them to
someone else.
Oh I don't know about that. The doc strings seem to do an admirable job
to me. Compared to groupby(), the functions are simplicity themselves.
On 29 dic, 20:31, [EMAIL PROTECTED] wrote:
I can't figure out why this doesn't work. Any ideas appreciated.
conn = MySQLdb.connect (db = vocab)
cursor = conn.cursor ()
cursor.execute (SELECT VERSION())
row = cursor.fetchone ()
print server version:, row[0]
cursor.close ()
conn.close ()
Almost every day I write code that uses itertools, so I find it very
useful, and its functions fast.
Removing useless things and keeping things tidy is often positive. But
I can't tell you what to remove. Here are my usages (every sub-list is
sorted by inverted frequency usage):
I use often or
On Sat, 29 Dec 2007 23:56:12 +0100
Samuel Tardieu [EMAIL PROTECTED] wrote:
Brad == byte8bits [EMAIL PROTECTED] writes:
Brad Best of luck in finding skilled, affordable Ada programmers
Brad outside of major cities.
Which is why it may be a good idea to learn it and earn a lot of $$
$ :)
I think that this behaviour is a little unintuitive, and by a little I
mean a lot.
Thanks for acknowledging it.
I question that it is much more common. How do you know? Where's your
data?
I did a dumb grep of my Python25/Lib folder and found 33 occurances of
the first pattern above. (Use
Just for completeness, the mutable default value problem also affects
classes:
class c:
def __init__(self, list = []):
self.list = list
self.list.append(LIST END)
def __repr__(self):
return Class a: %s % self.list
import example2
print example2.c()
Class a:
Steven D'Aprano [EMAIL PROTECTED] writes:
On Sat, 29 Dec 2007 15:29:25 +, Thorsten Kampe wrote:
I'd personally go for spaces because:
1. I don't like things I cannot see (control characters)
You can see spaces but not tabs? Your editor is pretty weird. In all
the editors I've
Thorsten Kampe wrote:
* xkenneth (Fri, 28 Dec 2007 14:51:04 -0800 (PST))
I seem to be having problems with running my python code, written on
a Mac, on Linux and Windows boxes.
You seem to have problems or you do have problems?
It seems like the problem has to do with tab indention,
On Dec 30, 3:48 pm, John Nagle [EMAIL PROTECTED] wrote:
Thorsten Kampe wrote:
* xkenneth (Fri, 28 Dec 2007 14:51:04 -0800 (PST))
I seem to be having problems with running my python code, written on
a Mac, on Linux and Windows boxes.
You seem to have problems or you do have problems?
On Dec 30, 12:10 am, Raymond Hettinger [EMAIL PROTECTED] wrote:
I'm considering deprecating these two functions and would like some
feedback from the community or from people who have a background in
functional programming.
I am with Steven D'Aprano when he says that takewhile and dropwhile
On Dec 30, 3:21 pm, bukzor [EMAIL PROTECTED] wrote:
Just for completeness, the mutable default value problem also affects
classes:
Simply, because methods are functions, and can have default arguments.
You don't need to nail *another* zillion theses to the cathedral
door :-)
--
Christian Heimes added the comment:
The macros don't restrain us to Win2k but they prevent us from using
APIs which are not compatible with Windows 2000. It's a compile time
option to conditionally exclude new features from the header files.
#ifndef NTDDI_VERSION
#define NTDDI_VERSION
Rich Marinaccio added the comment:
To be clear, I am not using multi-threading in my particular module. I
can't explain this behavior with my code alone. The issue is
complicated by the fact that my module is called by Civ IV, and I have
no idea what the game is doing behind the scenes. I
Raymond Hettinger added the comment:
Attaching the whole file isn't a step in the right direction. The
preferred approach is to isolate the problem as tightly as possible.
This report is dubious because, I can't get the following to fail:
from random import seed, randint
seed('mystart')
Rich Marinaccio added the comment:
What was happening before was I was getting an index out of range error
every so often, so then I put in the ValueError catch to see what was
going on. I was surprised to see that randIndex was the same as len
(preshuffle). I have some further catches in
Martin v. Löwis added the comment:
The macros don't restrain us to Win2k but they prevent us from using
APIs which are not compatible with Windows 2000. --- That's what I
meant by constrain/restrain: we can't use API that was added in XP
directly. For functions, that is a good thing, because the
Martin v. Löwis added the comment:
I opted for conditionalizing it to OpenBSD; it was wrong on Linux,
anyway, as _BSD_SOURCE has a different meaning there.
Fixed in r59610 and r59611.
--
resolution: - fixed
status: open - closed
__
Tracker [EMAIL
Vlastimil Brom added the comment:
First sorry about a delayed response, but moreover, I fear, preparing a
patch would be far beyond my programming competence; sorry about that.
__
Tracker [EMAIL PROTECTED]
http://bugs.python.org/issue1688
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