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On Dec 23, 5:03 am, Steven D'Aprano [EMAIL PROTECTED]
cybersource.com.au wrote:
When you call a new-style class, the __new__ method is called with the
user-supplied arguments, followed by the __init__ method with the same
arguments.
I would like to modify the arguments after the __new__
Thanks for your replies.
In article [EMAIL PROTECTED],
Arnaud Delobelle [EMAIL PROTECTED] writes:
arnodel def f1():
arnodel print f1 start
arnodel yield f2,
arnodel print f1 foo
arnodel v = yield f2,
arnodel print f1 v=%s world % v
arnodel yield f2, OK
arnodel print
On Dec 23, 2:47 am, Steven D'Aprano [EMAIL PROTECTED]
cybersource.com.au wrote:
On Sat, 22 Dec 2007 13:05:23 -0800, Dennis Lee Bieber wrote:
I've never encountered such items
supported by the language.
OS specific extensions MIGHT supply it...
Picky picky... but of course you are
2007/12/22, [EMAIL PROTECTED] [EMAIL PROTECTED]:
Hello,
just to recap: last time I asked how to do an interprocess
communitation, between one Manager process (graphical beckend) and
some Worker processes.
I decided to go with sockets, thanks for replies, once more.
However, I would like
limodou wrote:
I don't know if it's a bug? Try below code:
from elementtree.ElementTree import Element
a = Element('a')
if a:
... print ''
...
a.__len__()
0
You can see if I test a, the result will be False. I don't know if
it's an expected result, but this thing
To make it simple and not have to deal with the 8 queens problem that
is different with the 5 queens one, I'll ask in a different way.
I am not familiar with implementing in Python such terms as standard
depth-first search of the solution space, permutation, recursion,
'canonical' form, ... I
Hi all,
I just started using Python. I used to do some Java programming, so I am
not completely blank.
I have a small question about how classes get instantiated within other
classes. I have added the source of a test program to the bottom of this
mail, that contains 3 methods within a
Akihiro KAYAMA [EMAIL PROTECTED] wrote:
Thanks for your replies.
But current Python generator specification requires me:
def f1():
for x in foo(f2, foo): yield x
for x in foo(f2, foo): yield x
# XXX v = ... (I don't know how to do this)
for x in foo(f2, v=%s world % v,
A.J. Bonnema wrote:
Hi all,
I just started using Python. I used to do some Java programming, so I am
not completely blank.
I have a small question about how classes get instantiated within other
classes. I have added the source of a test program to the bottom of this
mail, that
Dennis Lee Bieber wrote:
Great if one is using a teletype as editor
The original Dartmouth computer room was a basement that featured 8
teletypes.
The original BASIC, Dennis, was implemented on a time-shared
mainframe with a gigantic 8k words (20-bit words, if I remember) of
core memory.
A.J. Bonnema wrote:
I have a small question about how classes get instantiated within other
classes. I have added the source of a test program to the bottom of this
mail, that contains 3 methods within a testclass that each instantiate
the same class and bind it to a local variable. My
Bruno Desthuilliers wrote:
[EMAIL PROTECTED] a �crit :
Bruno Desthuilliers wrote:
... that's definitively not
something I'd store in global.
So where would you put it?
You don't have to put functions arguments anywhere - they're already
local vars.
Bruno, right now I've got
On Dec 23, 4:54 am, Dennis Lee Bieber [EMAIL PROTECTED] wrote:
On Sat, 22 Dec 2007 17:56:05 -0800 (PST), [EMAIL PROTECTED] declaimed
the following in comp.lang.python:
just to recap: last time I asked how to do an interprocess
communitation, between one Manager process (graphical beckend)
On Dec 23, 10:30 am, Guilherme Polo [EMAIL PROTECTED] wrote:
2007/12/22, [EMAIL PROTECTED] [EMAIL PROTECTED]:
Hello,
just to recap: last time I asked how to do an interprocess
communitation, between one Manager process (graphical beckend) and
some Worker processes.
I decided to go
On Sat, 22 Dec 2007 23:01:50 -0700, Steven Bethard wrote:
Steven D'Aprano wrote:
When you call a new-style class, the __new__ method is called with the
user-supplied arguments, followed by the __init__ method with the same
arguments.
I would like to modify the arguments after the __new__
On Sun, 23 Dec 2007 02:22:38 -0800, cf29 wrote:
How would you write a function that will populate a list with a list of
numbers with all the possibilities? For example a list of 3 numbers
taken among 4 [0,1,2,3] without duplicates. The result should be:
[0,1,2]
[0,1,3]
[0,2,3]
[1,2,3]
On Dec 23, 2007 5:30 PM, Fredrik Lundh [EMAIL PROTECTED] wrote:
limodou wrote:
I don't know if it's a bug? Try below code:
from elementtree.ElementTree import Element
a = Element('a')
if a:
... print ''
...
a.__len__()
0
You can see if I test a, the
Hi,
why does the Python installer on Windows put the Python DLL into the
Windows system32 folder? Wouldn't it be more clean to place it into
the Python installation folder beside the python.exe file?
Kind regards,
Markus
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Hi,
I'm writing a program that requires specifically Unicode regular
expressions http://unicode.org/reports/tr18/ to be loaded in from an
external file and then interpreted against the data. if I use Python
Regular expressions is there a flag I can set to specify that the
regular expressions
Duncan Booth wrote:
Unfortunately generators only save a single level of stack-frame, so they
are not really a replacement for fibers/coroutines. The OP should perhaps
look at Stackless Python or Greenlets. See
On the surface of things, the single level aspect *LOOKS* like a problem,
but in
[EMAIL PROTECTED] wrote:
What I don't like about FIFO, is that on Unix they are persistent
files. So whatever happens to Manager they would stay there...
Nope. /tmp exists. Many distributions delete /tmp contents on
reboot.
I was just wondering if there's another way of doing the above and
[EMAIL PROTECTED] wrote:
Ok, but how to redirect print statement into a socket?
Create an object that has the socket's send-or-what-it's-called
method as a member called write and bind this object to
sys.stdout. Alternatively, you can use the print text object
syntax (see language reference).
Hi,
It just works, but using native Python threads for non-preemptive
threading is not cost-effective. Python has generator instead but it
seemed to be very restricted for general scripting. I wish I could
write nested (generator) functions easily at least.
Is there any plan of
On Sun, 23 Dec 2007 03:10:48 -0800, MartinRinehart wrote:
Bruno, right now I've got this:
def __init__ ( self, t ):
Constructor, called with array of strings.
self.text = t
...
Some other program will say:
tok = Toker( text_array )
tokens = tok.tokenize()
So how
[EMAIL PROTECTED] wrote:
Hello,
just to recap: last time I asked how to do an interprocess
communitation, between one Manager process (graphical beckend) and
some Worker processes.
I decided to go with sockets, thanks for replies, once more.
However, I would like to ask another thing:
* Markus Gritsch (Sun, 23 Dec 2007 15:52:50 +0100)
why does the Python installer on Windows put the Python DLL into the
Windows system32 folder?
Are you sure it does?!
Thorsten
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Have you googled?
http://www.google.com/search?hl=enq=python+regular+expression+unicodebtnG=Google+Search
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On 23/12/2007, Thorsten Kampe [EMAIL PROTECTED] wrote:
* Markus Gritsch (Sun, 23 Dec 2007 15:52:50 +0100)
why does the Python installer on Windows put the Python DLL into the
Windows system32 folder?
Are you sure it does?!
Yes.
Markus
--
hi ,i created 3 buttons such that if button1 is clicked it will
disable button2 ,and clicking button3 will restore state of button2 to
normal,
to my dismay i find that button2 still responds to clicks even if it
is greyed out
here is the code..am i doing something wrong? is there a way to truly
Markus Gritsch wrote:
why does the Python installer on Windows put the Python DLL into the
Windows system32 folder? Wouldn't it be more clean to place it into
the Python installation folder beside the python.exe file?
It's the easiest and best way to expose Python for 3rd party
applications
On 22/12/2007, Fredrik Lundh [EMAIL PROTECTED] wrote:
Cesar D. Rodas wrote:
I am newbie in Python, but I like it very much.
Right now I am having a problem, I am working with mod_python in apache.
What I needing is a stdout buffering, that means that everything that I
send to stdout
On 23/12/2007, Christian Heimes [EMAIL PROTECTED] wrote:
Markus Gritsch wrote:
why does the Python installer on Windows put the Python DLL into the
Windows system32 folder? Wouldn't it be more clean to place it into
the Python installation folder beside the python.exe file?
It's the
I am starting to experiment with ctypes. I have a function which returns a
pointer to a struct allocated in heap memory. There is a corresponding free
function for that sort of struct, e.g.:
from ctypes import *
cdll.LoadLibrary(libthing.so)
c_thing = CDLL(libthing.so)
class
Would you like a side-income of 1000's of Dollars a month?
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i am creating a Tix.FileSelectBox to select some jpeg files
on clicking an OK button i wish to get the selected imagename as
string ,so i code like below
class TixGUI:
def __init__(self, parent):
self.imgsel=FileSelectBox(self.bgframe)
Lie [EMAIL PROTECTED] wrote:
# Python have an odd (read: broken) singleton implementation
# single member tuple must have a comma behind it
Otherwise (1+2)+(3+4) would evaluate to (3, 7) instead of 10.
Florian
--
http://www.florian-diesch.de/
Michael Sparks [EMAIL PROTECTED] wrote:
Duncan Booth wrote:
Unfortunately generators only save a single level of stack-frame, so
they are not really a replacement for fibers/coroutines. The OP
should perhaps look at Stackless Python or Greenlets. See
On the surface of things, the single
I've been trying to get MySQL-python to install on Leopard for the
past couple of days, and I keep running into relatively the same
error. I'm hoping that someone on this list will be able to help me
out in solving the issue. I'd like to get this solved so I can
continue developing with
However, the situation is still unacceptable to me because I often make
mistakes and it is easy for me to miss places where encoding is necessary. I
rely on testing to find my faults. On my development environment, I get no
error message and it seems that everything works perfectly.
I'm writing a program that requires specifically Unicode regular
expressions http://unicode.org/reports/tr18/ to be loaded in from an
external file and then interpreted against the data. if I use Python
Regular expressions is there a flag I can set to specify that the
regular expressions
Markus Gritsch [EMAIL PROTECTED] wrote:
... We are embedding Python into our application which
gets compiled using MSVC 8.0. We like to link dynamically, so the
Python interpreter is not statically linked into the program. The
Python DLL from the Python installer in the Windows system32 folder
Duncan Booth wrote:
Michael Sparks [EMAIL PROTECTED] wrote:
Duncan Booth wrote:
Unfortunately generators only save a single level of stack-frame, so
they are not really a replacement for fibers/coroutines. The OP
should perhaps look at Stackless Python or Greenlets. See
On the surface
Is there any plan of implementing real (lightweight) fiber in Python?
I have no such plan, and I don't know of anybody else's plan, either.
Regards,
Martin
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http://mail.python.org/mailman/listinfo/python-list
weheh wrote:
Hi Fredrik,
Thanks again for your feedback. I am much obliged.
Bear in mind that in Python, ASCII currently means ASCII, values
0..127. Type str will accept values 127. However, the default
conversion from str to unicode requires true ASCII values, in
0..127. So if you
I need to take the take the pdf output from reportlab and create a preview
image
for a web page. so png or something. I am sure ghostscript will be involved.
I am guessing PIL or ImageMagic ?
all sugestions welcome.
Carl K
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After quite enjoying participating in the group in 2007, I'd like to
wish you all a Merry Xmas.
- Paddy.
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http://mail.python.org/mailman/listinfo/python-list
Is santa clause subscribed to the list .
I want a gift:)
On 12/24/07, Paddy [EMAIL PROTECTED] wrote:
After quite enjoying participating in the group in 2007, I'd like to
wish you all a Merry Xmas.
- Paddy.
--
http://mail.python.org/mailman/listinfo/python-list
--
Regards--
Rishi
On 24/12/2007, rishi pathak [EMAIL PROTECTED] wrote:
Is santa clause subscribed to the list .
I want a gift:)
Me too!, :-)
On 12/24/07, Paddy [EMAIL PROTECTED] wrote:
After quite enjoying participating in the group in 2007, I'd like to
wish you all a Merry Xmas.
- Paddy.
--
New submission from mtvernon:
Steps to reproduce the bug:
1) Download the Python 2.5.1 Windows installer (Windows binary --
does not include source).
2) Select Install for all users and click Next.
3) Click Next.
4) Click Advanced.
5) Click Cancel.
6) Click Yes.
--
components:
Martin v. Löwis added the comment:
Would you like to work on a patch?
--
nosy: +loewis
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Tracker [EMAIL PROTECTED]
http://bugs.python.org/issue1688
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Martin v. Löwis added the comment:
What do you mean by Crash?
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http://bugs.python.org/issue1690
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Christian Heimes added the comment:
A small note from me:
Your proposed patch is no good and is going to lead to strange, hard to
debug bugs in your app. os.chdir() isn't safe in a threaded environment.
You must protect the entire section with a global lock.
--
nosy: +tiran
Fazal Majid added the comment:
MT-safety has nothing to do with this. The os.chdir() is invoked from
the new child process that is forked just prior to calling execve() to
run the CGI script, after which it exits. The parent CGIHTTPServer may
be multithreaded, but invoking the CGI script is not
Changes by Adam Olsen:
--
nosy: +rhamphoryncus
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http://bugs.python.org/issue1676
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New submission from Peter Farson:
Here's an example:
I'd like to be able to reverse a list for iterating...
for i in range(10).reverse()
This could work if reverse method returned self, but currently it
doesn't return anything. I think the overhead is slight and worth it.
--
Christian Heimes added the comment:
No, it's too confusing for users and it might hide bugs. The core types
either change an object in place and return None *OR* the method returns
a modified object. It's a design decision we won't change.
In your case you can use the reversed(range(10))
Isaul Vargas added the comment:
I wanted to add that this issue also affects python 2.5.1 on the Mac.
Sometimes I may be writing something in the interpreter and I decide to
invalidate my input by pressing Ctrl-C. This will exit the interpreter
occasionally. I think it would be a good idea to
New submission from Isaul Vargas:
Python 3.0 doesn't print the string with the carat underneath when
there is a syntax error.
if x
SyntaxError: invalid syntax (stdin, line1)
if (x=5):
SyntaxError: invalid syntax (stdin, line 1)
Python 2.x behavior:
if (x=5): pass
File stdin, line 1
Alan McIntyre added the comment:
At the moment I don't have a Windows machine available, but on my Mac,
time.localtime doesn't seem to mind interpreting negative input values.
So I doubt that forcing timestamps to be non-negative is the way to fix
this.
I poked around a bit in the current 2.6
Kurt B. Kaiser added the comment:
Yes, and it does on linux, also. Someone changed the way help()
works. Since the help listing is often extensive and clutters up the
shell, I'm thinking that the best solution would be to pop up a new
window. I haven't got around to addressing either the
Kurt B. Kaiser added the comment:
It was done for VPython support, as described in the docstring in
run.py:exit(). What are you doing, removing sys.exitfunc from
2.6?
The 3.0 run.py code was changed to use atexit._clear().
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Changes by Kurt B. Kaiser:
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