Re: Free chapter about Python and databases (MySQL and SQLite)

2010-05-31 Thread christian schulze
On 28 Mai, 18:09, Peter Otten <__pete...@web.de> wrote: > christian schulze wrote: > > On 28 Mai, 17:12, Sebastian Bassi wrote: > >> On Fri, May 28, 2010 at 9:41 AM, Tino Wildenhain > >> wrote: > >> > Did you consider adding a part dealing with postgresql too? > >> > (Especially interesting in th

Re: xrange issue 7721

2010-05-31 Thread Martin v. Loewis
For the record, the issue you were looking at was a complaint that the documentation is incorrect. This had been fixed by correcting the documentation. I think Mark's point is that the code snippet given isn't a full replacement for xrange, since it doesn't support negative step sizes, nor does

Re: GUI programs

2010-05-31 Thread eb303
On May 30, 5:21 pm, "Alf P. Steinbach" wrote: > PS: Tkinter on its own does not provide image resizing and does not on its own > support common image formats like JPEG or PNG (it does support GIF). "Native" PNG support in tcl/tk and hence Tkinter is planned for the next release (8.6), which is in

Re: tkinter function outout to text widget

2010-05-31 Thread eb303
On May 29, 10:51 pm, Johan Lans wrote: > Hi > I'm totally new on python and I'm doing an assignement where I'm doing > a class that manipulates a text. The program is also supposed to have > a GUI, for which I have used tkinter. > So far I have entry widgets for file names and buttons, its all > w

Re: Tkinter library reference

2010-05-31 Thread eb303
On May 29, 3:11 pm, Pradeep B wrote: > Do we have a standard reference library for Tkinter available? > > -- > Pradeep Short answer: no, at least not a complete one for Tkinter itself. However, there is a complete reference for tcl/tk here: http://www.tcl.tk/man/tcl8.5/ Once you're used to conv

Re: Creating a single list

2010-05-31 Thread Astley Le Jasper
On May 29, 4:10 pm, superpollo wrote: > Astley Le Jasper ha scritto: > > > > > This is probably a really silly question but, given the example code > > at the bottom, how would I get a single list? > > > What I currently get is: > > > ('id', 20, 'integer') > > ('companyname', 50, 'text') > > [('fo

Re: Py_single_input and the side-effects...

2010-05-31 Thread moerchendiser2k3
Hi Carl, thanks for your help!! > The only foolproof way to ensure that an object has been finalized is > to do it manually (i.e., provide a finalize method to releases > resources). Yes, you are right, thats what I thought, too. So I wanted to manually delete the reference, but browsing the sou

reading help() - newbie question

2010-05-31 Thread Payal
Hi, I am trying to learn Python (again) and have some basic doubts which I hope someone in the list can address. (English is not my first language and I have no CS background except I can write decent shell scripts) When I type help(something) e.g. help(list), I see many methods like, __methodname

Re: reading help() - newbie question

2010-05-31 Thread Xavier Ho
On 31 May 2010 20:19, Payal wrote: > Hi, > I am trying to learn Python (again) and have some basic doubts which I > hope someone in the list can address. (English is not my first language and > I > have no CS background except I can write decent shell scripts) > > Welcome (back) to the Python-Lis

Re: reading help() - newbie question

2010-05-31 Thread Colin J. Williams
On 31-May-10 06:19 AM, Payal wrote: Hi, I am trying to learn Python (again) and have some basic doubts which I hope someone in the list can address. (English is not my first language and I have no CS background except I can write decent shell scripts) When I type help(something) e.g. help(list),

Re: reading help() - newbie question

2010-05-31 Thread Chris Rebert
On Mon, May 31, 2010 at 3:41 AM, Xavier Ho wrote: > On 31 May 2010 20:19, Payal wrote: >> When I type help(something) e.g. help(list), I see many methods like, >> __methodname__(). Are these something special? > > They're very special. You can think of them as "Python internal functions", > and

Re: Py_single_input and the side-effects...

2010-05-31 Thread moerchendiser2k3
Hi Carl, you are right, Python still holds the last reference. I just set a dummy and thats it :) Can you tell me where did you get the information from? Thanks! -- http://mail.python.org/mailman/listinfo/python-list

Re: Python vs. Fedora and CentOS

2010-05-31 Thread Jason D
The major Red Hat based Linux distros are still shipping with Python 2.4. As a result, almost all hosting providers are running obsolete versions of Python. The big problem seems to be that "cPanel" and "yum" still use older versions of Python, and those programs are more

how to generate a csr in python?

2010-05-31 Thread holmes86
hi,everyone I want generate a Certificate signing request in python,but I don't how to realize this function.I don't find any method after read the python-openssl manual.Any help will appreciate. -- http://mail.python.org/mailman/listinfo/python-list

Re: Tkinter library reference

2010-05-31 Thread Pradeep B
On Mon, May 31, 2010 at 2:46 PM, eb303 wrote: > On May 29, 3:11 pm, Pradeep B wrote: >> Do we have a standard reference library for Tkinter available? >> >> -- >> Pradeep > > Short answer: no, at least not a complete one for Tkinter itself. > > However, there is a complete reference for tcl/tk he

Re: Python and Tkinter Programming by John Grayson

2010-05-31 Thread Pradeep B
On Sat, May 29, 2010 at 7:33 PM, Kevin Walzer wrote: > Tkinter doesn't wrap native printing API's. There are a few extensions that > do it, but they are platform specific and not complete. > > The usual ways of printing are like this: > > 1. If you're outputting data from the text widget, write t

parsing question

2010-05-31 Thread Mag Gam
I have a file with bunch of nfsstat -c (on AIX) which has all the hostnames, for example r1svr== Client rpc: Connection oriented calls badcalls badxids timeouts newcreds badverfs timers 0 0 0 0 0 0 0 nomem cantconn i

Re: Python vs. Fedora and CentOS

2010-05-31 Thread Philip Semanchuk
On May 31, 2010, at 7:13 AM, Jason D wrote: The major Red Hat based Linux distros are still shipping with Python 2.4. As a result, almost all hosting providers are running obsolete versions of Python. The big problem seems to be that "cPanel" and "yum" still use older ver

Question about permutations (itertools)

2010-05-31 Thread Vincent Davis
As a note I am doing this in py3. I am looking for the most efficient (speed) way to produce an an iterator to of permutations. One of the problem I am having it that neither combinations nor permutations does not exactly what I want directly. For example If I want all possible ordered lists of 0,

Re: Question about permutations (itertools)

2010-05-31 Thread Xavier Ho
> >>> list(combinations_with_replacement('01',3)) > ('0', '0', '0') > ('0', '0', '1') > ('0', '1', '1') > ('1', '1', '1') > > Is it possible to get combinations_with_replacement to return numbers > rather than strings? (see above) > >>> list(combinations_with_replacement(range(0,2), 3)) [(0, 0, 0)

Re: Question about permutations (itertools)

2010-05-31 Thread Peter Otten
Vincent Davis wrote: > As a note I am doing this in py3. > > I am looking for the most efficient (speed) way to produce an an > iterator to of permutations. > One of the problem I am having it that neither combinations nor > permutations does not exactly what I want directly. > For example If I w

Re: Question about permutations (itertools)

2010-05-31 Thread Vincent Davis
On Mon, May 31, 2010 at 8:17 AM, Xavier Ho wrote: > >> >>> list(combinations_with_replacement('01',3)) >> ('0', '0', '0') >> ('0', '0', '1') >> ('0', '1', '1') >> ('1', '1', '1') >> >> Is it possible to get combinations_with_replacement to return numbers >> rather than strings? (see above) >

Re: Question about permutations (itertools)

2010-05-31 Thread Mark Dickinson
On May 31, 3:04 pm, Vincent Davis wrote: > For example If I want all possible ordered lists of 0,1 of length 3 > (0,0,0) > (0,0,1) > (0,1,1) > (1,1,1) > (1,0,1) > (1,1,0) > (1,0,0) > I don't see a way to get this directly from the itertools. But maybe I > am missing something. In this case, you'r

Re: parsing question

2010-05-31 Thread Tim Chase
On 05/31/2010 08:42 AM, Mag Gam wrote: I have a file with bunch of nfsstat -c (on AIX) which has all the hostnames, for example ... Is there a an easy way to parse this file according to each host? So, r1svr.Connectionless.calls=6553 r1svr.Connectionless.badcalls=0 and so on... I am current

Re: Question about permutations (itertools)

2010-05-31 Thread Ulrich Eckhardt
Vincent Davis wrote: > I am looking for the most efficient (speed) way to produce an an > iterator to of permutations. > One of the problem I am having it that neither combinations nor > permutations does not exactly what I want directly. > For example If I want all possible ordered lists of 0,1 of

writing numbers in binary file

2010-05-31 Thread eskandari
Hi, I am a newbie in python. I have an data.pickle file which is serialized form of an "array of strings", I want to write their offsets in another binary file, so an C++ program can read and analyse them. But when I try to write offset (number) in binary file, it raise exception below in line "of

Re: Python vs. Fedora and CentOS

2010-05-31 Thread John Nagle
Philip Semanchuk wrote: Hi Jason, CentOS is based on RHEL SRPMs. How could it ship a more advanced version of Python than RHEL? I have CentOS 5.4 installed, and it only offers Python 2.4.3. And distrowatch.org backs this up -- the latest Python available for Centos 5.x is 2.4: http://distro

Re: writing numbers in binary file

2010-05-31 Thread MRAB
eskandari wrote: Hi, I am a newbie in python. I have an data.pickle file which is serialized form of an "array of strings", I want to write their offsets in another binary file, so an C++ program can read and analyse them. But when I try to write offset (number) in binary file, it raise exception

Re: writing numbers in binary file

2010-05-31 Thread Tim Chase
On 05/31/2010 10:56 AM, eskandari wrote: But when I try to write offset (number) in binary file, it raise exception below in line "offsetfile.write(offset)" "TypeError: argument 1 must be string or read-only buffer, not int" I search the internet, find that all suggest converting number to stri

Re: writing numbers in binary file

2010-05-31 Thread eskandari
On May 31, 12:30 pm, MRAB wrote: > eskandari wrote: > > Hi, > > I am a newbie in python. I have an data.pickle file which is > > serialized form of an "array of strings", I want to write their > > offsets in another binary file, so an C++ program can read and analyse > > them. > > But when I try t

Do you want the safety of the computer ?

2010-05-31 Thread ekr3d
Do you want the safety of the computer? Take this gift Advanced SystemCare Free 3.3.1 http://free-ekramy.blogspot.com -- http://mail.python.org/mailman/listinfo/python-list

Re: Python and Tkinter Programming by John Grayson

2010-05-31 Thread Arndt Roger Schneider
Pradeep B schrieb: On Sat, May 29, 2010 at 7:33 PM, Kevin Walzer wrote: Tkinter doesn't wrap native printing API's. There are a few extensions that do it, but they are platform specific and not complete. The usual ways of printing are like this: 1. If you're outputting data from the text

passing external data to web forms

2010-05-31 Thread M L
(Note: If you just skim this and can tell me how to pass data from an external program to a web form, that's all I need, and the rest is just what I'd like to have.) This is probably extremely simple when you know what you're doing. I figured I'd see if I could find a kind soul who could give me s

Re: writing numbers in binary file

2010-05-31 Thread Terry Reedy
On 5/31/2010 12:43 PM, eskandari wrote: On May 31, 12:30 pm, MRAB wrote: eskandari wrote: Use the 'struct' module to convert the int to a bytestring, and remember to open the file as a binary file. Thanks alot, I have an question, if I do so, Will the second program (C++ program) which pro

Windows and Linux Tips

2010-05-31 Thread Pavel Haque
Hi Friends, For Windows and Linux Tips, Please Visit: www.windowsandlinuxtips.blogspot.com -- http://mail.python.org/mailman/listinfo/python-list

Problems with relative imports and pep 366

2010-05-31 Thread Gabriele Lanaro
I've yet asked this question on SO, I'll copy the contents: I have a "canonical file structure" like that (I'm giving sensible names to ease the reading): mainpack/ __main__.py __init__.py - helpers/ __init__.py path.py - network/ __init__.py clientlib.py serv

Re: Inheritable Slots Metaclass

2010-05-31 Thread Aahz
In article <5a3a5737-f1b7-4419-9bb3-088c244a4...@c13g2000vbr.googlegroups.com>, Carl Banks wrote: > >However, Aahz will be by shortly to tell you never to use slots. Please note that there is an important distinction between "don't use slots" and "never use slots" -- if you can locate any instan

RE: where are the program that are written in python?

2010-05-31 Thread Sandy Ydnas
http://en.wikipedia.org/wiki/List_of_Python_software List of Python software >From Wikipedia, the free encyclopedia Jump to:navigation, search This article needs additional citations for verification. Please help improve this article by adding reliable references

Spawning console and piping the stdout into it

2010-05-31 Thread Leonhard Weber
Hi, I'm stuck at a puzzle for quite some time. Situation: (Linux environment) I have a script that is invoked from an application (running my script as part of embedded python). I have no power over that application, only supply the script it executes. Now for development reasons I want that scri

Re: if, continuation and indentation

2010-05-31 Thread Lie Ryan
On 05/31/10 05:10, Colin J. Williams wrote: > On 30-May-10 01:50 AM, Nathan Rice wrote: >> On 27-May-10 08:48 AM, Xavier Ho wrote: >> > On 27 May 2010 22:22, HH> > > >

Re: passing external data to web forms

2010-05-31 Thread Tim Chase
On 05/31/2010 12:16 PM, M L wrote: Specifically, I'm needing to login to a particular website, and which username I use varies based on it being specified in the email. Are you in control of this email generation (that is, can you generate an email with an HTML form within, or is this email c

Re: xrange issue 7721

2010-05-31 Thread Mark Lawrence
On 31/05/2010 09:22, Martin v. Loewis wrote: For the record, the issue you were looking at was a complaint that the documentation is incorrect. This had been fixed by correcting the documentation. I think Mark's point is that the code snippet given isn't a full replacement for xrange, since it

Re: Vote to Add Python Package "pubsub" to the Python Standard Library

2010-05-31 Thread Aahz
In article <6b9d2898-4166-40b4-9016-dc55dee77...@q33g2000vbt.googlegroups.com>, Tom wrote: > >I vote for adding the Python package "pubsub" to the Python standard >library. It has recently been added to wxpython (replacing the old >wx.lib.pubsub package), but it has application to non-gui progra

Re: writing numbers in binary file

2010-05-31 Thread Dave Angel
eskandari wrote: On May 31, 12:30 pm, MRAB wrote: eskandari wrote: Hi, I am a newbie in python. I have an data.pickle file which is serialized form of an "array of strings", I want to write their offsets in another binary file, so an C++ program can read and analyse them. But when I tr

Re: if, continuation and indentation

2010-05-31 Thread Colin J. Williams
On 31-May-10 17:15 PM, Lie Ryan wrote: On 05/31/10 05:10, Colin J. Williams wrote: On 30-May-10 01:50 AM, Nathan Rice wrote: On 27-May-10 08:48 AM, Xavier Ho wrote: > On 27 May 2010 22:22, HHmailto:henri...@gmail.com>>

Re: Help with Regexp, \b

2010-05-31 Thread John Machin
On May 30, 1:30 am, andrew cooke wrote: > > That's what I thought it did...  Then I read the docs and confused > "empty string" with "space"(!) and convinced myself otherwise.  I > think I am going senile. Not necessarily. Conflating concepts like "string containing whitespace", "string containi

Re: GUI programs

2010-05-31 Thread Gregory Ewing
jyoun...@kc.rr.com wrote: Has anyone had any luck getting PyGUI working on Snow Leopard? I can't seem to get the blobedit example to work. I've received reports that it seems to be problematic on Snow Leopard. Unfortunately I don't have access to a Snow Leopard system at the moment to trouble

problem with Descriptors

2010-05-31 Thread Steven W. Orr
I just discovered descriptors but what I want to do isn't working right. I hope this isn't too long. :-( Here's what I have that works: class C(object): def g(self): print "dir(g):",dir(self.g) def f(self, ss): print "ss = ", ss cc = C() cc.ff = f.__get__(C,cc) cc.ff('Round 3') And

Error building on cygwin

2010-05-31 Thread huangqiang.zhou
Hi All: When i install wxPython on cygwin in windows xp, i get this error and can't continue... my enviroment: $ cygcheck -c cygwin Cygwin Package Information Package VersionStatus cygwin 1.7.5-1Incomplete wxPython-src-2.8.11.0 Following the build

Re: Vote to Add Python Package "pubsub" to the Python Standard Library

2010-05-31 Thread Terry Reedy
On 5/31/2010 5:37 PM, Aahz wrote: In article<6b9d2898-4166-40b4-9016-dc55dee77...@q33g2000vbt.googlegroups.com>, Tom wrote: I vote for adding the Python package "pubsub" to the Python standard library. It has recently been added to wxpython (replacing the old wx.lib.pubsub package), but it ha

What timeouts are required when reading SSL certificates with Python 2.6.4?

2010-05-31 Thread John Nagle
I'm converting some M2Crypto code to use the new "ssl" module, and I'm concerned about protection against hung machines at the remote end. With M2Crypto, getting timeout to work properly required much tweaking. Here's the code. I've tried it on about fifteen domains, some of which support

Re: What timeouts are required when reading SSL certificates with Python 2.6.4?

2010-05-31 Thread John Nagle
Is bug #5103 relevant here? The one about the 30-minute connection hang? http://bugs.python.org/issue5103 John Nagle John Nagle wrote: I'm converting some M2Crypto code to use the new "ssl" module, and I'm concerned about protection agains

Re: What's the largest python/django powered website in the world?

2010-05-31 Thread est
On May 31, 8:14 am, Benjamin Kaplan wrote: > On Sun, May 30, 2010 at 4:27 PM, est wrote: > > > > I'm afraid you'll need to define what you mean by "python powered". > > > Except database, presentation layer, major business logic is done by > > python. > > > Except Google/youtube, what's next? > >

Re: problem with Descriptors

2010-05-31 Thread Peter Otten
Steven W. Orr wrote: > I just discovered descriptors but what I want to do isn't working right. > That's the part that works. I'm trying to use the above construct to > implement a new kind of dict(). > > The idea is that I want to create a dict that knows about certain values > that can have de

Re: reading help() - newbie question

2010-05-31 Thread Payal
On Mon, May 31, 2010 at 08:41:54PM +1000, Xavier Ho wrote: > Welcome (back) to the Python-List! Thanks a lot to all who replied. Special thanks to Xavier Ho for sample examples on iterators. That cleared the doubt. With warm regards, -Payal -- -- http://mail.python.org/mailman/listinfo/python-