Is there anyway to check the number of I/O registered in poll?
I'm using select.poll to do I/O polling. polling is placed in a independent thread from select import poll _poller = poll() def poll(timeout): l = _poller.poll(timeout) return l In my code, in some context, the timeout value will be high ( like 1 hour ), but there is no I/O in _poller, then this poll action will be blocked till timeout. Is there anyway to find how many I/O in _poller? Thus I can avoid polling. Thanks in advance. -- http://mail.python.org/mailman/listinfo/python-list
Re: delete namespaces
On 3/29/2011 9:14 PM, monkeys paw wrote: How do i delete a module namespace once it has been imported? I use import banner Then i make a modification to banner.py. When i import it again, the new changes are not reflected. The best thing, if possible, is to restart the program. If you develop banner.py with adequate tests, you will want to restart the test anyway, and you should not need to modify much thereafter. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: Python3 Tkinter difficulty
Terry Reedy wrote: [python] 3.2 (which you should definitely be starting with) should, I think, be looking for [dev-tk] 8.5, which I believe is years old now and required, I also believe, for the tkinter.ttk module. Thanks everyone for your patience, and certainly for your help. I pulled down tk-dev 8.5 from the repository (I did not modify anything in the config setup.py manually), then this: ./configure --prefix=$HOME/local/python3 make make install This time the build process picked up the TclTk headers just fine and built the _tkinter module. IDLE is back on-line!--- yess. Thanks again folks, kind regards, m harris -- http://mail.python.org/mailman/listinfo/python-list
Re: multiprocessing Pool.imap broken?
On Tue, Mar 29, 2011 at 6:44 PM, Yang Zhang wrote: > I've tried both the multiprocessing included in the python2.6 Ubuntu > package (__version__ says 0.70a1) and the latest from PyPI (2.6.2.1). > In both cases I don't know how to use imap correctly - it causes the > entire interpreter to stop responding to ctrl-C's. Any hints? Thanks > in advance. > > $ python > Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41) > [GCC 4.4.3] on linux2 > Type "help", "copyright", "credits" or "license" for more information. import multiprocessing as mp mp.Pool(1).map(abs, range(3)) > [0, 1, 2] list(mp.Pool(1).imap(abs, range(3))) > ^C^C^C^C^\Quit > In case anyone jumps on this, this isn't an issue with running from the console: $ cat /tmp/go3.py import multiprocessing as mp print mp.Pool(1).map(abs, range(3)) print list(mp.Pool(1).imap(abs, range(3))) $ python /tmp/go3.py [0, 1, 2] ^C^C^C^C^C^\Quit (I've actually never seen the behavior described in the corresponding Note at the top of the multiprocessing documentation.) -- http://mail.python.org/mailman/listinfo/python-list
multiprocessing Pool.imap broken?
I've tried both the multiprocessing included in the python2.6 Ubuntu package (__version__ says 0.70a1) and the latest from PyPI (2.6.2.1). In both cases I don't know how to use imap correctly - it causes the entire interpreter to stop responding to ctrl-C's. Any hints? Thanks in advance. $ python Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41) [GCC 4.4.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import multiprocessing as mp >>> mp.Pool(1).map(abs, range(3)) [0, 1, 2] >>> list(mp.Pool(1).imap(abs, range(3))) ^C^C^C^C^\Quit -- http://mail.python.org/mailman/listinfo/python-list
Re: delete namespaces
On 03/29/2011 08:14 PM, monkeys paw wrote:
How do i delete a module namespace once it has been imported?
I use
import banner
Then i make a modification to banner.py. When i import it again,
the new changes are not reflected. Is there a global variable i can
modify?
Delete it from sys.modules:
>>> file('foo.py', 'w').write('x = 42\n')
>>> import foo
>>> foo.x
42
>>> del foo
>>> import sys
>>> del sys.modules['foo']
>>> file('foo.py', 'w').write('x = 999\n')
>>> import foo
>>> foo.x
999
Beware that if you still have old references to the module, they
don't get refreshed.
-tkc
--
http://mail.python.org/mailman/listinfo/python-list
Re: delete namespaces
On Mar 29, 6:14 pm, monkeys paw wrote: > How do i delete a module namespace once it has been imported? . . . > Then i make a modification to banner.py. When i import it again, > the new changes are not reflected. Is there a global variable i can > modify? In Python2.x, you can use the reload() function: Help on built-in function reload in module __builtin__: reload(...) reload(module) -> module Reload the module. The module must have been successfully imported before. Raymond -- http://mail.python.org/mailman/listinfo/python-list
delete namespaces
How do i delete a module namespace once it has been imported? I use import banner Then i make a modification to banner.py. When i import it again, the new changes are not reflected. Is there a global variable i can modify? -- http://mail.python.org/mailman/listinfo/python-list
Re: send function keys to a legacy DOS program
On Tue, Mar 29, 2011 at 9:59 PM, Alexander Gattin wrote: > I'm not sure regarding the ASCII part. I think it > might need to be set to 0x00 for all functional > keys instead of 0x3F/0x3C/0x41, but probably no > application actually cares. > > Another thing is that you may need to send key > release after key press in order for the > application to trigger the F5/F2/F7 event. I'm not > sure what the scan codes for F5/F2/F7 releases > are, but think that they may be: > > F5: 0xBF > F2: 0xBC > F7: 0xC1 > > -- > With best regards, > xrgtn > appreciate all the help. unfortunately, my hard drive crashed and badly. thus was unable to investigate this further. as I was running out of time, we're now going for a reimplementation of the legacy barcode program. was fortunate to find an implementation that gives the same output (we're testing thoroughly and we may have found a winner) oh btw, it was a seagate 250GB drive for my dell laptop may need to pay somebody to try to recover my personal files. all work files are in version control so they're ok -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
Ian Kelly writes: > cmp_to_key(lambda x, y: -cmp(x, y)) cmp_to_key(lambda x, y: cmp(y, x)) -- http://mail.python.org/mailman/listinfo/python-list
Re: how to create a virtual printer
On Monday, March 28, 2011 7:12:23 AM UTC-4, kalo...@gmail.com wrote:
>
> Does anybody know how to create a virtual
> printer with python (on both windows and linux)?
Here's some code I just put together showing how to use Python to create a
PostScript file printer on Windows, output raw text to a file, and also output
text with fonts and simple line graphics. You'll need the pywin32 extensions.
This code is only minimally tested, and it does little if any error checking.
However, this is just to demonstrate the gist of using pywin32 for printing
PostScript to a file. If you get an error about finding the driver for "MS
Publisher Imagesetter', you may need to add the printer manually to make the
driver available (it's under the 'generic' manufacturer). No doubt there's a
way to install this driver automatically using the Win32 API, but I haven't
looked into it.
The generated PostScript file can be viewed on Windows using the evince viewer:
http://live.gnome.org/Evince/Downloads
#
import win32print, win32ui, win32gui
import win32con, pywintypes
def create_printer(printer_name='MyPSPrinter'):
printer_info = {
'pPrinterName': printer_name,
'pDevMode': pywintypes.DEVMODEType(),
'pDriverName': 'MS Publisher Imagesetter',
'pPortName': 'FILE:',
'pPrintProcessor': 'WinPrint',
'Attributes': 0,
'AveragePPM': 0,
'cJobs': 0,
'DefaultPriority': 0,
'Priority': 0,
'StartTime': 0,
'Status': 0,
'UntilTime': 0,
'pComment': '',
'pLocation': '',
'pDatatype': None,
'pParameters': None,
'pSecurityDescriptor': None,
'pSepFile': None,
'pServerName': None,
'pShareName': None}
h_printer = win32print.AddPrinter(None, 2, printer_info)
return h_printer
def test_raw(printer='MyPSPrinter',
filename=r'D:\test.txt',
text=None):
'''send plain text to a file'''
if text is None:
text_data = "This is a test. This is only a test."
else:
text_data = text
job_info = ("Raw File Print", filename, 'RAW')
h_printer = win32print.OpenPrinter(printer)
try:
h_job = win32print.StartDocPrinter(h_printer, 1, job_info)
try:
win32print.StartPagePrinter(h_printer)
win32print.WritePrinter(h_printer, text_data)
win32print.EndPagePrinter(h_printer)
finally:
win32print.EndDocPrinter(h_printer)
finally:
win32print.ClosePrinter(h_printer)
def test_ps(printer='MyPSPrinter',
filename=r'D:\test.ps',
margin=(0.25,1.5,0.25,1.0),
font_size=24,
text=None):
'''render postscript text and graphics to a file'''
if text is None:
text_data = "This is a test.\nThis is only a test."
else:
text_data = str(text)
# Get the printer's DEVMODE structure
h_printer = win32print.OpenPrinter(printer)
devmode = win32print.GetPrinter(h_printer, 2)['pDevMode']
win32print.ClosePrinter(h_printer)
# set up the device context
# see MSDN: ff552837, aa452943, dd319099, dd145045
devmode.FormName = 'Letter' # or 'A4'
devmode.PaperSize = win32con.DMPAPER_LETTER # or DMPAPER_A4
devmode.Orientation = win32con.DMORIENT_PORTRAIT
devmode.PrintQuality = win32con.DMRES_HIGH
devmode.Color = win32con.DMCOLOR_MONOCHROME
devmode.TTOption = win32con.DMTT_SUBDEV
devmode.Scale = 100
devmode.Fields |= (win32con.DM_FORMNAME |
win32con.DM_PAPERSIZE |
win32con.DM_ORIENTATION |
win32con.DM_PRINTQUALITY |
win32con.DM_COLOR |
win32con.DM_TTOPTION |
win32con.DM_SCALE)
h_dc = win32gui.CreateDC('WINSPOOL', printer, devmode)
dc = win32ui.CreateDCFromHandle(h_dc)
dc.SetMapMode(win32con.MM_TWIPS) # or MM_HIMETRIC (0.01 mm)
# begin writing the document
dc.StartDoc('Postscript File Print', filename)
dc.StartPage()
# we need a pen and a font
scale = 20 # 72 pt/inch * 20 twip/pt = 1440
inch = 72*scale
pen = win32ui.CreatePen(win32con.PS_SOLID,
scale, # 1 pt
0) # black
dc.SelectObject(pen)
font = win32ui.CreateFont({
'name': 'Times New Roman',
'height': font_size * scale,
'weight': win32con.FW_NORMAL})
dc.SelectObject(font)
# output the text
x = int(margin[0] * inch)
y = -int(margin[1] * inch)
width = int((8.5 - margin[0] - margin[2]) * inch)
height = int((11.0 - margin[1] - margin[3]) * inch)
rect = (x, y, x + width, y - height)
dc.DrawText(text_data, rect, win32con.DT_LEFT)
if text is None:
# draw 8 steps starting at x = 0.25", y = 3"
width = inch
height = inch
for n in range(8):
x
Re: Guido rethinking removal of cmp from sort method
On Tue, Mar 29, 2011 at 5:06 PM, MRAB wrote: > I think I've found a solution: > > class NegStr: > def __init__(self, value): > self._value = value > def __lt__(self, other): > return self._value > other._value IOW: cmp_to_key(lambda x, y: -cmp(x, y)) This is still just taking a cmp function and dressing it up as a key. -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On 29/03/2011 21:32, Dan Stromberg wrote:
On Tue, Mar 29, 2011 at 12:48 PM, Ian Kelly mailto:ian.g.ke...@gmail.com>> wrote:
On Tue, Mar 29, 2011 at 1:08 PM, Chris Angelico mailto:ros...@gmail.com>> wrote:
> On Wed, Mar 30, 2011 at 5:57 AM, MRAB mailto:pyt...@mrabarnett.plus.com>> wrote:
>> You would have to do more than that.
>>
>> For example, "" < "A", but if you "negate" both strings you get "" <
>> "\xBE", not "" > "\xBE".
>
> Strings effectively have an implicit character at the end that's less
> than any other character. Easy fix: Append a character that's greater
> than any other. So "" < "A" becomes "\xFF" > "\xBE\xFF".
>
> Still not going to be particularly efficient.
Not to mention that it still has bugs:
"" < "\0"
"\xff" < "\xff\xff"
--
http://mail.python.org/mailman/listinfo/python-list
It probably could be a list of tuples:
'abc' -> [ (1, chr(255 - ord('a')), (1, chr(255 - ord('b')), (1, chr(255
- ord('c')), (0, '') ]
...where the (0, '') is an "end of string" marker, but it's getting
still slower, and quite a lot bigger, and getting so reductionistic
isn't a good thing when one class wraps another wraps another - when
their comparison methods are interrelated.
I think I've found a solution:
class NegStr:
def __init__(self, value):
self._value = value
def __lt__(self, other):
return self._value > other._value
so when sorting a list of tuples:
def make_key(t):
return NegStr(t[0]), t[1]
items = [("one", 1), ("two", 2), ("three", 3), ("four", 4),
("five", 5)]
items.sort(key=make_key)
--
http://mail.python.org/mailman/listinfo/python-list
Only 7 Years
On May 8, 2004 I posted a note[1] here in comp.lang.python with a subject line of Lost : Plot_Demo looking for a small 2d plot program that I had seen, misplaced, and which I thought came along as a demo with a PYTHON installation This morning after rooting about in an old JYTHON demo dir I found the program in Demo/awt/Graph.py along with a comment that I had edited the file about 7 months before posting here looking for it ! It's a very nice demo with a single text box to enter simple functions to be parsed and plotted At least it's good to know that I'm only forgetful and not totally daft :-) [1] http://groups.google.com/group/comp.lang.python /browse_thread/thread/54d4b716bfbdcb9c/f3e48b33fcf4e1d3 -- Stanley C. Kitching Human Being Phoenix, Arizona -- http://mail.python.org/mailman/listinfo/python-list
Re: Free Software University - Python Certificate - In reply to Noah Hall
Hi 'News123', The message which you seem to think was a reply to you, wasn't. It was sent 2 days ago in reply to another message, not yours. _03/27/2011_ 01:15 PM Well, that is - as far as I know - I'm not sure if you're 'Noah Hall' or not.. maybe you are? That's the problem with having an alias I guess, lol.. maybe all three of us are the same person and this is a big conspiracy by a proprietary software company to make free software proponents look stupid? Lol... :D (I mean, free education is always good), > Not if you even don't know if this education really exists before registering. I didn't write that, lol... ..but I do think it's unusual that you're concerned about email harvesting.. yet post your email address on a mailing list.. That doesn't make any sense at all? I think each project owner decides the terms of their project. I feel academic pursuits require integrity - as all learning institutions do.. and accountability. Certificates cannot be awarded to aliases and teacher credentials cannot be verified. So, there will be no aliases in the FSU. I'm sorry if you do not agree with this, but it will not change - identity is important in any examination / certification. Please feel free to register for the FSU under your real name, not an alias. Please feel free to post reviews of the FSU after you have taken a course :) It's very kind of you to make suggestions, thank you - although there has so far been no problem with attracting people - you appear to be misinformed :) I'm sure the community themselves will select a design / change of design of the FSU resources. If you'd like to join the FSU community then your views would certainly be considered :) Thanks again! Lloyd On 29/03/11 22:01, News123 wrote: Hi Loyd, It wasn't me sending you the private email. I'm just a little surprised about this: "if you don't post under your real name you must be a bad person" - attitude. On 03/27/2011 01:15 PM, Lloyd Hardy wrote: Secondly, if you do use various names and email addresses and play 'maybe this is my identity' games, we really don't want you in the FSU - as you are not an honest person - our work is based on the integrity of the faculty and students. Some people are just scared of data mining. Having internet aliases has absolutely nothing with honesty, but just about not wanting to be easily profiled by persons whom you don't even know. To be a good member of whatever an identity is not important. What counts are the contributions and the quality of the feed back -- http://mail.python.org/mailman/listinfo/python-list
Re: Free Software University - Python Certificate - In reply to Noah Hall
Hi Loyd, It wasn't me sending you the private email. I'm just a little surprised about this: "if you don't post under your real name you must be a bad person" - attitude. On 03/27/2011 01:15 PM, Lloyd Hardy wrote: > Secondly, if you do use various names and email addresses and play > 'maybe this is my identity' games, we really don't want you in the FSU - > as you are not an honest person - our work is based on the integrity of > the faculty and students. Some people are just scared of data mining. Having internet aliases has absolutely nothing with honesty, but just about not wanting to be easily profiled by persons whom you don't even know. To be a good member of whatever an identity is not important. What counts are the contributions and the quality of the feed back > >> (I mean, free education is always good), Not if you even don't know if this education really exists before registering. -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On Tue, Mar 29, 2011 at 12:48 PM, Ian Kelly wrote:
> On Tue, Mar 29, 2011 at 1:08 PM, Chris Angelico wrote:
> > On Wed, Mar 30, 2011 at 5:57 AM, MRAB
> wrote:
> >> You would have to do more than that.
> >>
> >> For example, "" < "A", but if you "negate" both strings you get "" <
> >> "\xBE", not "" > "\xBE".
> >
> > Strings effectively have an implicit character at the end that's less
> > than any other character. Easy fix: Append a character that's greater
> > than any other. So "" < "A" becomes "\xFF" > "\xBE\xFF".
> >
> > Still not going to be particularly efficient.
>
> Not to mention that it still has bugs:
>
> "" < "\0"
> "\xff" < "\xff\xff"
> --
> http://mail.python.org/mailman/listinfo/python-list
>
It probably could be a list of tuples:
'abc' -> [ (1, chr(255 - ord('a')), (1, chr(255 - ord('b')), (1, chr(255 -
ord('c')), (0, '') ]
...where the (0, '') is an "end of string" marker, but it's getting still
slower, and quite a lot bigger, and getting so reductionistic isn't a good
thing when one class wraps another wraps another - when their comparison
methods are interrelated.
--
http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On Wed, Mar 30, 2011 at 6:48 AM, Ian Kelly wrote: > Not to mention that it still has bugs: > > "" < "\0" > "\xff" < "\xff\xff" That's because \0 isn't less than any character, nor is \xff greater than any. However, the latter is true if (for instance) your string is in UTF-8; it may be possible to use some construct that suits your own data. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
Re: Free Software University - Python Certificate - In reply to Noah Hall
Hi Loyd, Having a decent front page might help to attract people: Go to http://www.freesoftwareuni.com/ and try to get any useful information except (free / GPL / not accredited / your email address) With out signing in / without registering you don't even see what FSU has to offer / plans to offer Probably you lost already many potential students, potential creators of training material just by this choice of design. If you force people to register before they see existing (or planned) courses, then it easy to think, that this web site is just another way of collecting email addresses. On 03/26/2011 12:39 PM, Lloyd Hardy wrote: > Noah Hall enalicho at gmail.com > Tue Mar 22 17:38:48 CET 2011 > >>I've been following this project for a while, since it was annouced on > the Ubuntu forums. I can't say that I've been at all impressed by > anything they have to offer. > > Hi Noah, > > I'm interested in your post for a few reasons: > > 1. There is no Noah Hall registered in the FSU > 2. Your email address is not registered in the FSU > 3. The FSU is really about what _you_ have to offer > 4. As has already been noted, we are currently making courses > 5. The first course (Free Software Certificate) starts 2nd May 2011 > > ..so, maybe you can help me to understand your post? It seems a strange > post, based on these facts... > > Maybe you'd like to come along and actually get involved? You would be > most welcome.. our other 800 members will be happy to see you, I'm > sure... come and contribute! :) > > Lloyd > FSU Founder -- http://mail.python.org/mailman/listinfo/python-list
Re: Fun python 3.2 one-liner
On 3/29/2011 5:50 AM, Raymond Hettinger wrote:
from collections import Counter
from itertools import product
print('\n'.join('*'*(c//2000) for _,c in sorted(Counter(map(sum,
product(range(6), repeat=8))).items(
The line break makes that hard to read; the axis is not labeled (and
labels help understand the code). So my suggested revision is:
from collections import Counter
from itertools import product
print('\n'.join('{:2d}: {}'.format(i, '*'*(c//2000)) for i,c in sorted(
Counter(map(sum,product(range(6), repeat=8))).items() )))
0:
1:
2:
3:
4:
5:
6:
7: *
8: ***
9: *
10:
11:
12: **
13: *
14:
15: *
16: *
17:
18: **
19: **
20: ***
21: **
22: **
23:
24: *
25: *
26:
27: *
28: **
29:
30:
31: *
32: ***
33: *
34:
35:
36:
37:
38:
39:
40:
--
Terry Jan Reedy
--
http://mail.python.org/mailman/listinfo/python-list
Re: Non-deterministic output
On 3/28/2011 3:42 AM, Esben Nielsen wrote: Hi, We are making a prototype program in Python. I discovered the output was non-deterministic, i.e. I rerun the program on the same input files and get different output files. We do not use any random calls, nor threading. One of us thought it could be set and dictionaries not always yielding the same results. I, however, would think that given the exact same operations, a set/dictionary would always yield the same results. Am I correct? Or could different runs of the same program yield different results due to, say, different memory locations? Are there any other sources of randomness we ought to look out for? Esben That's worth chasing down. It's hard to accidentally get nondeterminism in a single-thread batch Python program. Core Python doesn't have uninitialized variables, the usual source of trouble, because Python variables are created by initialization, not declaration. numpy, though, does have uninitialized variables. Try: import numpy a = numpy.empty(10) print(a) creates an array of 10 junk floating point numbers. Look for that. Also look at any other C packages you're using. If you're stil stuck, give us the list of non-Python modules you're importing, directly or indirectly. John Nagle -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On Tue, Mar 29, 2011 at 1:08 PM, Chris Angelico wrote: > On Wed, Mar 30, 2011 at 5:57 AM, MRAB wrote: >> You would have to do more than that. >> >> For example, "" < "A", but if you "negate" both strings you get "" < >> "\xBE", not "" > "\xBE". > > Strings effectively have an implicit character at the end that's less > than any other character. Easy fix: Append a character that's greater > than any other. So "" < "A" becomes "\xFF" > "\xBE\xFF". > > Still not going to be particularly efficient. Not to mention that it still has bugs: "" < "\0" "\xff" < "\xff\xff" -- http://mail.python.org/mailman/listinfo/python-list
Re: Python3 Tkinter difficulty
On 3/29/2011 1:52 PM, harrismh777 wrote: Thanks. You're right... I don't have tk-dev installed. duh. And I have choices to make... it looks like setup.py is looking for 8.4 headers; I 3.2 (which you should definitely be starting with) should, I think, be looking for 8.5, which I believe is years old now and required, I also believe, for the tkinter.ttk module. have TclTk 8.5x installed. From the standard repository it looks like I can download and install tk-dev (dependency package) and|or tk-dev 8.3, or 8.4, or 8.5... and I am not sure which of these is what is needed without causing other problems. Can 8.4 and 8.5 be installed together without problem? Does it really matter which of these I use for the purpose of python build? If I have TclTk 8.5 installed should I only download the 8.5 tk-dev package? I would start with that and then make that work. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
For anyone interested, the tracker discussion on removing cmp is at http://bugs.python.org/issue1771 There may have been more on the old py3k list and pydev list. One point made there is that removing cmp= made list.sort consistent with all the other comparision functions, min/max/nsmallest/nlargest/groupby that only have a key arg. How many would really want cmp= added everywhere? A minor problem problem with cmp is that the mapping between return values and input comparisons is somewhat arbitrary. Does -1 mean abforget without constant use). A bigger problem is that it conflicts with key=. What is the result of l=[1,3,2] l.sort(cmp=lambda x,y:y-x, key=lambda x: x) print l ? (for answer, see http://bugs.python.org/issue11712 ) While that can also be learned, I consider conflicting parameters undesireable and better avoided when reasonably possible. So I see this thread as a discussion of the meaning of 'reasonably' in this particular case. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On Wed, Mar 30, 2011 at 5:57 AM, MRAB wrote: > You would have to do more than that. > > For example, "" < "A", but if you "negate" both strings you get "" < > "\xBE", not "" > "\xBE". Strings effectively have an implicit character at the end that's less than any other character. Easy fix: Append a character that's greater than any other. So "" < "A" becomes "\xFF" > "\xBE\xFF". Still not going to be particularly efficient. Chris Angelico -- http://mail.python.org/mailman/listinfo/python-list
Re: Fun python 3.2 one-liner
Raymond Hettinger wrote: almost-normally-yours, Raymond thanks ... interesting Seriously, these little one liners teach me more about the python language in less time than *all* of the books I'm trying to digest right now. The toughest part of learning python is learning about what's available so as not to reinvent the proverbial wheel... thanks again... fun. -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On 29/03/2011 18:01, Dan Stromberg wrote: On Tue, Mar 29, 2011 at 1:46 AM, Antoon Pardon mailto:antoon.par...@rece.vub.ac.be>> wrote: The double sort is useless if the actual sorting is done in a different module/function/method than the module/function/method where the order is implemented. It is even possible you didn't write the module where the sorting actually occurs. There's a good point in the above. Usually the order in which a class needs to be sorted, is a detail that should be hidden by the class (or auxiliary comparison function). Doing more than one sort in order to get one key forward and another in reverse, seems to require a client of the class to know class detail (or auxiliary comparison function detail). In fact, if something inside the class (or auxiliary comparison function) needs to change s.t. you must change how you sort its instances, then you might have to change a bunch of single-sorts to multiple-sorts in client code. EG if you were sorting a number in reverse followed by a string forward, to a number in reverse followed by a string forward and another string in reverse. In principle, you could come up with a "negate string" operation though. EG for Latin-1, each ch would become chr(255-ord(ch)). That's probably going to be rather expensive, albeit linear. It should at least avoid the need for multi-sorting and exposing implementation detail. I want to say you could do something similar for Unicode strings, but I don't have enough experience with Unicode to be sure yet. You would have to do more than that. For example, "" < "A", but if you "negate" both strings you get "" < "\xBE", not "" > "\xBE". -- http://mail.python.org/mailman/listinfo/python-list
Re: Fun python 3.2 one-liner
On Tue, Mar 29, 2011 at 11:24 AM, Raymond Hettinger wrote:
print('\n'.join('*'*(c//2000) for _,c in sorted(Counter(map(sum,
product(range(6), repeat=8))).items(
>
>
>
>
>
>
>
>
> *
> ***
> *
>
>
> **
> *
>
> *
> *
>
> **
> **
> ***
> **
> **
>
> *
> *
>
> *
> **
>
>
> *
> ***
> *
>
>
>
> Re-posting (forgot to attach the output).
> Besides the interesting output, other
> interesting virtues include very low
> memory usage and that the inner-loop
> pipeline runs entirely in C.
Another (related) 3.2 one liner:
from math import erf, sqrt
def normal_cdf(x, mu=0, sigma=1): return (1/2) * (1 +
erf((x-mu)/(sigma*sqrt(2
approximates the cumulative distribution function of the normal distribution.
Geremy Condra
--
http://mail.python.org/mailman/listinfo/python-list
Re: Fun python 3.2 one-liner
>>> print('\n'.join('*'*(c//2000) for _,c in sorted(Counter(map(sum,
>>> product(range(6), repeat=8))).items(
*
***
*
**
*
*
*
**
**
***
**
**
*
*
*
**
*
***
*
Re-posting (forgot to attach the output).
Besides the interesting output, other
interesting virtues include very low
memory usage and that the inner-loop
pipeline runs entirely in C.
Raymond
--
http://mail.python.org/mailman/listinfo/python-list
Re: Python3 Tkinter difficulty
Peter Otten wrote: We don't eat children above the age of three;) geez... that's good news :) > work... but, I'm at a bit of a loss to know exactly what its looking > for... libs, or libs and devel headers? or other? Most likely the development headers. Try installing tk-dev. Thanks. You're right... I don't have tk-dev installed. duh. And I have choices to make... it looks like setup.py is looking for 8.4 headers; I have TclTk 8.5x installed. From the standard repository it looks like I can download and install tk-dev (dependency package) and|or tk-dev 8.3, or 8.4, or 8.5... and I am not sure which of these is what is needed without causing other problems. Can 8.4 and 8.5 be installed together without problem? Does it really matter which of these I use for the purpose of python build? If I have TclTk 8.5 installed should I only download the 8.5 tk-dev package? sorry for being so dense... and I'm definitely over three... way too tough for eating or anything like that :} kind regards, -- http://mail.python.org/mailman/listinfo/python-list
Re: Python-related Animation Packages?
On 03/29/2011 01:17 PM, Benjamin J. Racine wrote: > Hello all, > > Does anyone know of software that might be of use in an attempt to animate an > object undergoing 6-DOF rigid body motions: surge, sway, heave, roll, pitch > and yaw? > > Thanks so much, > Ben Racine > Blender. -- Corey Richardson -- http://mail.python.org/mailman/listinfo/python-list
Python-related Animation Packages?
Hello all, Does anyone know of software that might be of use in an attempt to animate an object undergoing 6-DOF rigid body motions: surge, sway, heave, roll, pitch and yaw? Thanks so much, Ben Racine -- http://mail.python.org/mailman/listinfo/python-list
Re: Directly Executable Files in Python
On Mar 29, 12:16 am, harrismh777 wrote: > Chris Rebert wrote: > > Yes. py2exe is a tool which generates such Windows executables: > >http://www.py2exe.org/ > > Interesting... but it can't possibly be creating .exe files > (compiling)... I don't buy it... it has to be reproducing the byte code > interpreter in the code segment and the byte code in the data segment... > so that each .exe file created by said process is actually loading an > entire copy of at least the byte code interpreter with each program > "compiled" ... Yes, if you think of it as a handy packager and not a compiler, it makes sense. > can't be very efficient?? How do you define efficient? All I know is that it works well. You click on the .exe and a moment later you are running the application despite not having Python or any of the third party libraries you've used installed on your computer. I'm grateful for its existence. -- http://mail.python.org/mailman/listinfo/python-list
Re: Directly Executable Files in Python
> it has to be reproducing the byte code > interpreter in the code segment and the byte code in the data segment... > so that each .exe file created by said process is actually loading an > entire copy of at least the byte code interpreter with each program > "compiled" ... Yes, if you think of it as a handy packager and not a compiler, it makes sense. > can't be very efficient?? How do you define efficient? All I know is that it works well. You click on the .exe and a moment later you are running the application despite not having Python installed on your computer. I'm grateful for its existence. Che -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On Tue, Mar 29, 2011 at 1:46 AM, Antoon Pardon wrote: > The double sort is useless if the actual sorting is done in a different > module/function/method than the module/function/method where the order > is implemented. It is even possible you didn't write the module > where the sorting actually occurs. > There's a good point in the above. Usually the order in which a class needs to be sorted, is a detail that should be hidden by the class (or auxiliary comparison function). Doing more than one sort in order to get one key forward and another in reverse, seems to require a client of the class to know class detail (or auxiliary comparison function detail). In fact, if something inside the class (or auxiliary comparison function) needs to change s.t. you must change how you sort its instances, then you might have to change a bunch of single-sorts to multiple-sorts in client code. EG if you were sorting a number in reverse followed by a string forward, to a number in reverse followed by a string forward and another string in reverse. In principle, you could come up with a "negate string" operation though. EG for Latin-1, each ch would become chr(255-ord(ch)). That's probably going to be rather expensive, albeit linear. It should at least avoid the need for multi-sorting and exposing implementation detail. I want to say you could do something similar for Unicode strings, but I don't have enough experience with Unicode to be sure yet. -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
Steven D'Aprano wrote: On Fri, 25 Mar 2011 10:21:35 +0100, Antoon Pardon wrote: On Thu, Mar 24, 2011 at 11:49:53PM +, Steven D'Aprano wrote: On Thu, 24 Mar 2011 17:47:05 +0100, Antoon Pardon wrote: However since that seems to be a problem for you I will be more detailed. The original poster didn't ask for cases in which cmp was necessary, he asked for cases in which not using cmp was cumbersome. I'm the original poster, and that's not what I said. I said: "If anyone has any use-cases for sorting with a comparison function that either can't be written using a key function, or that perform really badly when done so, this would be a good time to speak up." You'll notice that I said nothing about whether writing the code was easy or cumbersome, and nothing about readability. Well fine. I should have realised the question was just a pretense and that there really never was any intention to consider the reactions, because the answer is already fixed. Of course a key function can always be written, it may just need a specific class to implement the specific order. Likewise there is no reason to expect the order-functions to preform worse when implemented in a class, rather than in a function. The reason Guido is considering re-introducing cmp is that somebody at Google approached him with a use-case where a key-based sort did not work. The use-case was that the user had masses of data, too much data for the added overhead of Decorate-Sort-Undecorate (which is what key does), but didn't care if it took a day or two to sort. So there is at least one use-case for preferring slowly sorting with a comparison function over key-based sorting. I asked if there any others. It seems not. That was known from the begining, was it ? Since key sort trades memory for CPU, you could expect that "masses of data" use cases may fail because of memory shortage. JM -- http://mail.python.org/mailman/listinfo/python-list
Re: send function keys to a legacy DOS program
Alexander Gattin wrote: > Another thing is that you may need to send key > release after key press in order for the > application to trigger the F5/F2/F7 event. I'm not > sure what the scan codes for F5/F2/F7 releases > are, but think that they may be: > > F5: 0xBF > F2: 0xBC > F7: 0xC1 True. The key-release codes are the key-press codes (the "key numbers") but with the high-order bit set. Mel. -- http://mail.python.org/mailman/listinfo/python-list
your web page details
http://123maza.com/65/agent409/ -- http://mail.python.org/mailman/listinfo/python-list
Re: popular programs made in python?
On 03/29/2011 10:32 AM, Neil Alt wrote: > i mean made with python only, not just a small part of python. Civilisation 4 (the game) used Python for all of its scripting. As far as I know almost all the game logic was in Python, and you could access most parts of the game. Blender also has a rather extensive Python API that allows you to make scripts that can access any part of the software, or almost any part of it. Just look at http://en.wikipedia.org/wiki/List_of_Python_software It's not a complete list either. -- Corey Richardson -- http://mail.python.org/mailman/listinfo/python-list
Re: popular programs made in python?
yeah nice example :) impressive. On 3/29/11, Chris Angelico wrote: > On Wed, Mar 30, 2011 at 1:32 AM, Neil Alt wrote: >> i mean made with python only, not just a small part of python. >> -- >> http://mail.python.org/mailman/listinfo/python-list >> > > You're using one right now. Mailman is written in Python, and it > manages countless mailing lists the world over. I have it running all > the lists on my mail server, it's powerful and easy to set up. > > ChrisA > -- > http://mail.python.org/mailman/listinfo/python-list > -- http://mail.python.org/mailman/listinfo/python-list
Re: popular programs made in python?
On Wed, Mar 30, 2011 at 1:32 AM, Neil Alt wrote: > i mean made with python only, not just a small part of python. > -- > http://mail.python.org/mailman/listinfo/python-list > You're using one right now. Mailman is written in Python, and it manages countless mailing lists the world over. I have it running all the lists on my mail server, it's powerful and easy to set up. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
popular programs made in python?
i mean made with python only, not just a small part of python. -- http://mail.python.org/mailman/listinfo/python-list
Re: Directly Executable Files in Python
On 2011-03-29, harrismh777 wrote: > Chris Rebert wrote: >> Yes. py2exe is a tool which generates such Windows executables: >> http://www.py2exe.org/ > > Interesting... but it can't possibly be creating .exe files It is. > (compiling)... It isn't. > I don't buy it... Then don't. > it has to be reproducing the byte code interpreter in the code > segment and the byte code in the data segment... Something like that. -- Grant Edwards grant.b.edwardsYow! Either CONFESS now or at we go to "PEOPLE'S COURT"!! gmail.com -- http://mail.python.org/mailman/listinfo/python-list
Re: send function keys to a legacy DOS program
Hello, On Sun, Mar 20, 2011 at 06:59:46PM -0700, Justin Ezequiel wrote: > On Mar 20, 7:30 am, Alexander Gattin > wrote: > > You need to place 2 bytes into the circular buffer > > to simulate key press. Lower byte is ASCII code, > > higher byte is scan code (they are the same for > > functional keys, whe using default keycode set#1): > > > > F5: 0x3F 0x3F > > F2: 0x3C 0x3C > > F7: 0x41 0x41 I'm not sure regarding the ASCII part. I think it might need to be set to 0x00 for all functional keys instead of 0x3F/0x3C/0x41, but probably no application actually cares. Another thing is that you may need to send key release after key press in order for the application to trigger the F5/F2/F7 event. I'm not sure what the scan codes for F5/F2/F7 releases are, but think that they may be: F5: 0xBF F2: 0xBC F7: 0xC1 -- With best regards, xrgtn -- http://mail.python.org/mailman/listinfo/python-list
Re: Linux drives me crazy... Rights, listdir...
Hi! Sorry. The path was wrong! "backup_redmine <> redmine_backup"... :-( Thanks: dd -- http://mail.python.org/mailman/listinfo/python-list
Re: Directly Executable Files in Python
harrismh777 wrote: Chris Rebert wrote: Yes. py2exe is a tool which generates such Windows executables: http://www.py2exe.org/ Interesting... but it can't possibly be creating .exe files (compiling)... Yes and no. The python program is not being compiled. The Python system, along with all the necessary libraries and support .py files, are combined into a .exe loader. When the .exe is run it extracts the Python interpreter, makes all the other files available, and then starts it running.* ~Ethan~ *The details are not exact, but this is the general idea. -- http://mail.python.org/mailman/listinfo/python-list
Re: Fun python 3.2 one-liner
http://www.ideone.com/infch
^ Result of the below code
On 29 March 2011 19:50, Raymond Hettinger wrote:
> from collections import Counter
> from itertools import product
>
> print('\n'.join('*'*(c//2000) for _,c in sorted(Counter(map(sum,
> product(range(6), repeat=8))).items(
>
>
> almost-normally-yours,
>
> Raymond
> --
> http://mail.python.org/mailman/listinfo/python-list
>
--
http://mail.python.org/mailman/listinfo/python-list
Fun python 3.2 one-liner
from collections import Counter
from itertools import product
print('\n'.join('*'*(c//2000) for _,c in sorted(Counter(map(sum,
product(range(6), repeat=8))).items(
almost-normally-yours,
Raymond
--
http://mail.python.org/mailman/listinfo/python-list
Linux drives me crazy... Rights, listdir...
Dear Everybody! We have a redmine server with linux. I wrote some pythonic tool that backup the redmine (files and database) and put to ftp server. This was working fine. But today I checked, and I saw this failed in the prior week. As I checked more, I saw that part. is out of space. I stored the files, logs, dumps in the /home, and this dev. is out of space. Then I tried to move to /var/www/redmine_backup folder. And then I got result what I don't understand. In root mode I set the user on every file and directory, and set the mode to 777, and set sticky bit, and user/group on execution. Everything is same, but when I check os.listdir() on this dir, I see only two folders. 5 elements are here: Files_Zipped (dir) MySQL_Dump (dir) Log (dir) Log2 (dir) BackupRedmine.py (the script) The listdir show only: Files_Zipped MySQL_Dump (It don't see itself!) Because it don't see the Log dir, try to make it, and it have been failed... I checked all things in MC too, but I cannot find the differents... May this is Python bug? xuser@h2182:~$ /var/www/backup_redmine/BackupRedMine.py /log RedMine Backup V1.0 Log mode Make and get backup path Try to make /var/www/redmine_backup/Log Traceback (most recent call last): File "/var/www/backup_redmine/BackupRedMine.py", line 239, in logfilename = MakeBackupPath(_SubPath_Log) + '/log_' + NowStr File "/var/www/backup_redmine/BackupRedMine.py", line 78, in MakeBackupPath os.makedirs(path) File "/usr/lib/python2.5/os.py", line 171, in makedirs mkdir(name, mode) OSError: [Errno 13] Permission denied: '/var/www/redmine_backup/Log' xuser@h2182:/var/www/backup_redmine$ ./BackupRedMine.py /log RedMine Backup V1.0 Log mode Make and get backup path (os.listdir) ['Files_Zipped', 'MySQL_Dump'] xuser@h2182:/var/www/backup_redmine$ ls -l total 24 -rwxrwxrwt 1 xuser xuser 7350 2011-03-29 10:47 BackupRedMine.py drwsrwsrwt 2 xuser xuser 4096 2011-03-29 09:46 Files_Zipped drwsrwsrwt 2 xuser xuser 4096 2011-03-29 10:36 Log drwsrwsrwt 2 xuser xuser 4096 2011-03-29 10:42 Log2 drwsrwsrwt 2 xuser xuser 4096 2011-03-29 09:46 MySQL_Dump But interesting thing is that everything is working good on /home. So it is seems to be right problem, but what is the different? What can I do? Thanks: dd -- http://mail.python.org/mailman/listinfo/python-list
Great chance for Management work.
Railroad employers, opportunities in only on the site for government, banking and data entry. http://rojgars.webs.com/Railwayjobs.htm http://rojgars1.webs.com/gov.htm Cash income in Management careers. Globalize Management careers. http://managementjobs.webs.com/mm.htm http://jobshunter.webs.com/industrialmanagement.htm -- http://mail.python.org/mailman/listinfo/python-list
Re: Python3 Tkinter difficulty
harrismh777 wrote: > Greetings folks, > I am very new to this usenet forum, and I am brand new to Python3... Welcome. > so be gentle We don't eat children above the age of three ;) > The source tarball for Python3 compiled and installed (local install > for first experiments $HOME/local/) and runs very well in my terminal. > I am not able to run IDLE because the compile build process could > not build the _tkinter module, I think because TclTk is not installed on > this system in the standard places... Ubuntu 9.04 Jaunty. I have TclTk > installed version 8.5x and tclsh and wish work fine... also IDLE on > python 2.62 works fine too. > I am noticing that setup.py has the path to the TclTk libs hardcoded > for /usr/X11R6/... and my TclTk is not there... so I'm thinking that I > need to direct the setup.py path to the right place and thinngs should > work... but, I'm at a bit of a loss to know exactly what its looking > for... libs, or libs and devel headers? or other? Most likely the development headers. Try installing tk-dev. -- http://mail.python.org/mailman/listinfo/python-list
Re: New blog from python-dev
Doug Hellmann (2011-03-24 14:58:30 +0100) wrote: > Python Insider (http://blog.python.org/) is a new blog from the Python > core development team. [...] There are a variety of ways to subscribe, > including email and Twitter. [...] Hi Doug, this is great news, thank you! I've tried to subscribe to the RSS feed (my reader doesn't support Atom) but although I'm following the link labeled as RSS, I'm still getting an Atom feed via FeedBurner. May this be a problem with FeedBurner configuration, or I'd better use another subscription mechanism? Thank you very much! -- Ivan Vilata i Balaguer -- http://ivan.lovesgazpacho.net/ -- http://mail.python.org/mailman/listinfo/python-list
hi joining me
ms.kalpana2...@rediffmail.com -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On Mon, Mar 28, 2011 at 03:43:03PM +, Steven D'Aprano wrote: > On Mon, 28 Mar 2011 14:39:04 +0200, Antoon Pardon wrote: > > > I tried to sort lists of 1 elemens. Each element a tuple two items > > that was to be sorted first according to the first item in ascending > > order, then according to the second item in descending order. This was > > done on python 2.6 so I had to write my own cmp_to_key function. > > > > I then sorted these lists of 1 elements a 1000 times with the > > following methods. > > Thank you for spending the time to get some hard data, but I can't > replicate your results since you haven't shown your code. Rather than > attempt to guess what you did and duplicate it, I instead came up with my > own timing measurements. Results are shown here, my code follows below: But why expect me to come up with such data? Shouldn't the dev team have come up with such data before they decided to remove the cmp-argument, instead of afterwards expecting the python users to come up with data to support the reversing of that decision? > [steve@sylar ~]$ python2.7 sort_test.py > Comparison function: 12.1256039143 > Key function: 3.51603388786 > Double sort: 2.33165812492 > cmp_to_key: 28.1129128933 > > > By far the best result comes from two calls to sort. Not far off is the > key function solution. (Admittedly, coming up with a key function for non- > numeric data would be challenging.) The comparison function, and the > cmp_to_key solution, are clearly *much* slower. So, that means that the fastest solutions don't generalize. The double sort is useless if the actual sorting is done in a different module/function/method than the module/function/method where the order is implemented. It is even possible you didn't write the module where the sorting actually occurs. Your key-function only works with numeric data, strings already pose a problem here. The cmp function can be externally provided, without you having the source. So sooner or later there will be a user who just doesn't have a choice but to use cmp_to_key or something similar. and who will have to suffer this kind of speed loss. -- Antoon Pardon -- http://mail.python.org/mailman/listinfo/python-list
Re: Directly Executable Files in Python
Benjamin Kaplan writes: > If you can figure out a good way to compile a language like Python, > you'll be very rich. Yes, it is running the interpreter and then > running the bytecode on the interpreter. It's the same way Java and > .NET work. Not exactly AIUI. .NET bytecodes do actually get compiled to executable code before being executed (unless things have changed recently - I haven't really done anything significant with .NET in the last couple of years). -- http://mail.python.org/mailman/listinfo/python-list
Re: Guido rethinking removal of cmp from sort method
On Mon, Mar 28, 2011 at 11:35:09AM +, Steven D'Aprano wrote: > [...] > > Forcing people to use a key-function, will produce cases where python > > will ask for more memory and take longer to sort, than allowing to > > provide a cmp function. > > More memory yes; take longer to sort, almost certainly not (except, > perhaps, for a very narrow window where the addition of a key causes the > application to page out to virtual memory, but a comparison function > wouldn't -- and even then, the key function might still be faster). > > But we've already covered the "more memory" angle to death. We already > understand that. This is why I have asked if there are any *other* use- > cases for a comparison function. > > Dan Stromberg has suggested that another use-case would be lazy- > comparisons, where you might not be able to generate a single key > cheaply, but you can perform a comparison lazily. > > > > This for the simple reason that for some > > order-functions, the only way to write a key-function will be to write a > > specific class, that will implement the order with the same kind of code > > that otherwise would have been put in the cmp function, > > There is a recipe for that on ActiveState's website, google for > cmp_to_key. That recipe has been added to Python's standard library for > version 3.2. Please stop flogging that dead horse. This doesn't make any sense. As far as I can see there is nothing in Dan's code that would make it more troublesome to use with cmp_to_key than Carl Bank's examples or that would make it loose more speed than the overhead I was describing. Whatever is meant by lazily, the cmp_to_key function will generate a key function that during the sorting will finally defer to this cmp-function to do the comparisons. If the cmp is lazy when it does its work as a cmp-argument, it will be lazy when it does its work when a key is wrapped around it. This argument works for whatever property, the cmp-function should posses. If your cmp argument has property foo when comparing during a sort then using cmp_to_key will preserve than property when comparing during a sort. This for the simple reason that with a cmp_to_key function when the sort comapares two keys, it will after some overhead just call the cmp function with the undecorated data. That means that asking for use cases that fall outside the overhead in memory or speed of the cmp_to_key function and are not about the cumbersome work in writing your own key-function in order to reduce that overhead, that asking for such use cases is like asking for a real number that squares to a negative. We can conclude a priori that there won't be any. That is why I don't consider a request for such use cases a serious request. -- http://mail.python.org/mailman/listinfo/python-list
Re: Non-deterministic output
On Mon, 2011-03-28 at 12:58 +0100, Tim Wintle wrote: > On Mon, 2011-03-28 at 12:42 +0200, Esben Nielsen wrote: > > We are making a prototype program in Python. I discovered the output was > > non-deterministic, i.e. I rerun the program on the same input files and > > get different output files. We do not use any random calls, nor > > threading. > > > > One of us thought it could be set and dictionaries not always yielding > > the same results. I, however, would think that given the exact same > > operations, a set/dictionary would always yield the same results. Am I > > correct? Or could different runs of the same program yield different > > results due to, say, different memory locations? > > If you're using id() at any point (e.g. in __hash__ ) then that would > lead to non-deterministic behaviour. > I changed my code to use other kinds of hash. That helped! :-) Thanks! > obviously so would time.time() etc. I didn't use those :-) > > Esben -- http://mail.python.org/mailman/listinfo/python-list
Python3 Tkinter difficulty
Greetings folks, I am very new to this usenet forum, and I am brand new to Python3... so be gentle The source tarball for Python3 compiled and installed (local install for first experiments $HOME/local/) and runs very well in my terminal. I am not able to run IDLE because the compile build process could not build the _tkinter module, I think because TclTk is not installed on this system in the standard places... Ubuntu 9.04 Jaunty. I have TclTk installed version 8.5x and tclsh and wish work fine... also IDLE on python 2.62 works fine too. I am noticing that setup.py has the path to the TclTk libs hardcoded for /usr/X11R6/... and my TclTk is not there... so I'm thinking that I need to direct the setup.py path to the right place and thinngs should work... but, I'm at a bit of a loss to know exactly what its looking for... libs, or libs and devel headers? or other? Help/Hints would be appreciated from the initiated... humbly greatful... kind regards, m harris -- http://mail.python.org/mailman/listinfo/python-list
