On Sat, 05 Jun 2010 16:35:42 +0100, MRAB wrote:
>>> In plain language what I wish to do is:
>>>
>>> Remove all comma's
>>> Replace all @ with comma's
>> input_file = open("some_huge_file.txt", "r")
>> output_file = open("newfilename.txt", "w")
>> for line in input_file:
> I'd probably process it
On Sun, 06 Jun 2010 15:55:41 -0700, ant wrote:
> If we are to make progress, I can see two obvious approaches:
> 1) Improve Tkinter to the point where it is supportable and supported
> by a good fraction of Python programmers
> or
> 2) Drop Tkinter as the default and use something else.
You forgo
On Mon, 07 Jun 2010 02:31:08 -0700, Richard Thomas wrote:
> You're reading those bits backwards. You want to read the most
> significant bit of each byte first...
Says who?
There is no universal standard for bit-order.
Among bitmap image formats, XBM is LSB-first while BMP and PBM are
MSB-first
On Wed, 09 Jun 2010 21:15:48 -0700, Chris Seberino wrote:
> How do subprocess.Popen("ls | grep foo", shell=True) with shell=False?
The same way that the shell does it, e.g.:
from subprocess import Popen, PIPE
p1 = Popen("ls", stdout=PIPE)
p2 = Popen(["grep", "foo"], stdin=p1.stdout, stdout
On Thu, 10 Jun 2010 08:40:03 -0700, Chris Seberino wrote:
> On Jun 10, 6:52 am, Nobody wrote:
>> Without the p1.stdout.close(), if the reader (grep) terminates before
>> consuming all of its input, the writer (ls) won't terminate so long as
>> Python retains the desc
On Mon, 14 Jun 2010 10:43:02 -0700, John Nagle wrote:
> The new SSL module in Python 2.6
There isn't an SSL module in Python 2.6. There is a module named "ssl"
which pretends to implement SSL, but in fact doesn't.
> is convenient, but insecure.
In which case, it isn't actually convenient, i
On Tue, 15 Jun 2010 22:57:24 +0200, Antoine Pitrou wrote:
> Also, following issue1589 (certificate hostname checking), I think it
> would be useful at least to provide the necessary helper functions in
> order to check certificate conformity, even if they aren't called
> implicitly. I would encour
On Wed, 16 Jun 2010 16:30:02 +0100, Chris Withers wrote:
> I'd like to make test_non_gmt_timezone at the bottom of
> https://...
> run on Windows, any suggestions?
MSVCRT has _tzset(), which understands the TZ environment variable.
http://msdn.microsoft.com/en-us/library/90s5c885%28VS.80%29.asp
On Wed, 16 Jun 2010 16:29:42 -0400, Brandon McGinty wrote:
> Both subprocess and os.popen* only allow inputput and output one time,
> and the output to be read only when the process terminates.
This is incorrect; you can read from and write to the pipe as you wish.
However: you may have problems
On Thu, 17 Jun 2010 11:45:03 +0100, Chris Withers wrote:
>> For whatever reason, tython's "time" module doesn't provide the tzset()
>> function on Windows. However, you should be able to use it via ctypes.
>
> This sounds pretty heavyweight for a unit test.
> I'm not even sure how I would do this
On Thu, 17 Jun 2010 11:22:37 +0200, Laurent Verweijen wrote:
> This is easy to understand, but I want to pipe it's input/output
> by another python program. (I will show what I am doing on the
> console to test it)
>
> >>> from subprocess import *
> >>> p =
On Sun, 20 Jun 2010 20:00:14 +1000, Ben Finney wrote:
>> I'm starting a SocketServer.TCPServer in my program, but since I want
>> to report problems to script starting the program, I want to go daemon
>> *after* TCPServer has done binding to port.
>>
>> Is this likely to cause problems? I mean, my
On Sun, 20 Jun 2010 03:19:55 -0700, southof40 wrote:
> I want to select an object from the list with a probability of : cars
> 0.7, bikes 0.3, trucks 0.1.
>
> I've currently implemented this by creating another list in which each
> car object from the original list appears 7 times, each bike 3 ti
On Wed, 23 Jun 2010 17:27:16 -0500, Tim Daneliuk wrote:
> Given a program 'foo' that takes a command line argument '-I
> includefile', I want to be able to look for 'includefile' in a path
> specified in an environment variable, 'FOOPATH'.
>
> I'd like a semantic that says:
>
> "If 'includefil
On Fri, 25 Jun 2010 12:25:56 +1200, Lawrence D'Oliveiro wrote:
> Just been reading this article
> ...
> which says that a lot of security holes are arising these days because
> everybody is concentrating on unit testing of their own particular
> components, with less attention being devoted to ove
On Fri, 25 Jun 2010 12:15:08 +, Jorgen Grahn wrote:
> I don't do SQL and I don't even understand the terminology properly
> ... but the discussion around it bothers me.
>
> Do those people really do this?
Yes. And then some.
Among web developers, the median level of programming knowledge am
On Sat, 26 Jun 2010 12:40:41 +1200, Lawrence D'Oliveiro wrote:
>>> I construct ad-hoc queries all the time. It really isn’t that hard to
>>> do safely.
>>
>> Wrong.
>>
>> Even if you get the quoting absolutely correct (which is a very big "if"),
>> you have to remember to perform it every time,
On Fri, 25 Jun 2010 20:43:51 -0400, Roy Smith wrote:
> To bring this back to something remotely Python related, the point of
> all this is that security is hard.
Oh, this isn't solely a security issue.
Ask anyone with a surname like O'Neil, O'Connor, O'Leary, etc; they've
probably broken a lot
On Fri, 25 Jun 2010 20:08:27 -0400, geremy condra wrote:
> I have written Haskell that runs faster than C, and Forth that runs
> faster than C,
Faster than *what* C, though?
With Haskell, there's seldom a significant performance hit for using
-fvia-C, so you would probably have been able to get
On Sat, 26 Jun 2010 18:33:02 +0200, Thomas Jollans wrote:
> * str is now unicode => unicode is no longer a pain in the a
True. Now byte strings are a pain in the arse.
--
http://mail.python.org/mailman/listinfo/python-list
On Sat, 26 Jun 2010 21:08:48 +0200, Martin v. Loewis wrote:
>> I think that's not true. If enough people want to support Python 2 it
>> might be possible to advance Python 2.
>
> That won't be sufficient: enough people wanting support won't have any
> effect. People also need to want it enough to
On Sun, 27 Jun 2010 14:36:10 +1200, Lawrence D'Oliveiro wrote:
>> In any case, you're still trying to make arguments about whether it's easy
>> or hard to get it right, which completely misses the point. Eliminating
>> the escaping entirely makes it impossible to
On Tue, 29 Jun 2010 12:30:36 +1200, Lawrence D'Oliveiro wrote:
>> Seriously, almost every other kind of library uses a binary API. What
>> makes databases so special that they need a string-command based API?
>
> HTML is also effectively a string-based API.
HTML is a data format. The sane way to
On Tue, 29 Jun 2010 08:41:03 -0400, Roy Smith wrote:
>> > And what about regular expressions?
>>
>> What about them? As the saying goes:
>>
>> Some people, when confronted with a problem, think
>> "I know, I'll use regular expressions."
>> Now they have two problems.
>
> That's s
On Wed, 30 Jun 2010 23:40:06 -0600, Michael Torrie wrote:
> Given "char buf[512]", buf's type is char * according to the compiler
> and every C textbook I know of.
No, the type of "buf" is "char [512]", i.e. "array of 512 chars". If you
use "buf" as an rvalue (rather than an lvalue), it will be i
On Wed, 30 Jun 2010 21:12:12 -0700, m wrote:
> If I add the line:
> for l in line: print ord(l),'\t',l
> after the first readline, I get the following:
>
>
> 27
> 91[
> 480
> 480
> 109 m
> 27
> 91[
> 513
> 557
> 109 m
>
> before the codes begin for the
On Fri, 02 Jul 2010 12:07:33 -0700, John Nagle wrote:
>> I think one point which needs to be emphasized more is what does
>> python 3 bring to people. The" what's new in python 3 page" gives
>> the impression that python 3 is about removing cruft. That's a very
>> poor argument to push people to s
On Sat, 03 Jul 2010 10:33:49 -0400, Sudheer wrote:
> What's wrong with the following code. The program waits indefenitely
> at 'output = p2.stdout.read()'
>
>
> from subprocess import *
>
> p1=Popen(['tr', 'a-z', 'A-Z'],stdin=PIPE,stdout=PIPE)
> p2=Popen(['tr','A-Z', 'a-z'],stdin=p1.stdout,st
On Wed, 07 Jul 2010 15:08:07 +0200, Thomas Jollans wrote:
> you should never rely on a floating-point number to have exactly a
> certain value.
"Never" is an overstatement. There are situations where you can rely
upon a floating-point number having exactly a certain value.
First, floating-point
On Sun, 18 Jul 2010 15:18:59 -0700, sturlamolden wrote:
>> why is this group being spammed?
>
> There used to be bots that issued cancel messages against spam, but I
> don't think they are actively maintained anymore.
Mostly because cancel messages are invariably ignored nowadays.
--
http://ma
On Mon, 19 Jul 2010 17:57:31 +0100, MRAB wrote:
>> About this one. I tried the os.system copy. But it seems I cant find the
>> right syntax.
>>
>> *os.system ("xcopy /s %s %s" % (dirname1, dirname2))*
>>
>> This one seems to not working.
>>
> In what way doesn't it work?
>
> If the names cont
On Mon, 19 Jul 2010 20:06:16 +0200, Antoine Pitrou wrote:
> So, in short, Python doesn't check SIGKILL by itself. It's just
> forbidden by the underlying C standard library,
Actually, it's forbidden by the kernel. The C library just passes along
the error to Python, which just passes it to the ap
On Tue, 20 Jul 2010 10:32:12 -0700, Chris Rebert wrote:
> I believe you need to /eventually/ call .wait() as shown to avoid the
> child becoming a zombie process.
Alternatively, you can call .poll() periodically. This is similar to
.wait() insofar as it will "reap" the process if it has terminate
On Fri, 23 Jul 2010 10:45:32 +0200, Thomas Guettler wrote:
> I use non-blocking io to check for timeouts. Sometimes I get EAGAIN
> (Resource temporarily unavailable) on write(). My working code looks
> like this. But I am unsure how many bytes have been written to the pipe
> if I get an EAGAIN IOE
On Fri, 23 Jul 2010 10:42:26 +, Steven D'Aprano wrote:
> Don't write bare excepts, always catch the error you want and nothing
> else.
That advice would make more sense if it was possible to know which
exceptions could be raised. In practice, that isn't possible, as the
documentation seldom
On Fri, 23 Jul 2010 18:27:50 -0400, Terry Reedy wrote:
> But in the
> meanwhile, once you get an error, you know what it is. You can
> intentionally feed code bad data and see what you get. And then maybe
> add a test to make sure your code traps such errors.
That doesn't really help with exce
On Sun, 25 Jul 2010 14:47:11 +, Steven D'Aprano wrote:
>>> But in the
>>> meanwhile, once you get an error, you know what it is. You can
>>> intentionally feed code bad data and see what you get. And then maybe
>>> add a test to make sure your code traps such errors.
>>
>> That doesn't really
On Mon, 26 Jul 2010 21:42:24 -0500, Tim Chase wrote:
>> Please! Never export anything from your .bashrc unless you
>> really know what you're doing. Almost all exports should be
>> done in your .bash_profile
>
> Could you elaborate on your reasoning why (or why-not)? I've
> found that my .bash_
On Thu, 29 Jul 2010 23:49:40 +, Steven D'Aprano wrote:
> It looks to me like Python uses a 16-bit implementation internally,
It typically uses the platform's wchar_t, which is 16-bit on Windows and
(typically) 32-bit on Unix.
IIRC, it's possible to build Python with 32-bit Unicode on Windows
On Mon, 02 Aug 2010 14:21:38 +0200, Christian Heimes wrote:
> You might want to drop shell=True and use
> a list as arguments instead.
The two issues (whether "shell" is True/False and whether the command is
a list or string) are orthogonal.
You should always use a list for the command, unless y
On Mon, 02 Aug 2010 17:17:35 -0700, Peter wrote:
> But I always used to tell
> people - by the time I got a program to compile then I figured 99% of
> the bugs were already discovered! Try that with C/C++ or almost any
> other language you care to name :-)
ML and Haskell are also quite good for t
On Mon, 02 Aug 2010 15:18:30 -0700, sturlamolden wrote:
>> Has it ever been planned to rewrite in C++ the historical implementation
>> (of course in an object oriented design) ?
>
> OO programming is possible in C. Just take a look at GNOME and GTK.
One feature which can't readily be implemente
On Mon, 02 Aug 2010 23:27:37 +0200, Zdenek Maxa wrote:
> I need to start a process (using subprocess.Popen()) and wait until the
> new process either fails or successfully binds a specified port. The
> fuser command seems to be indented exactly for this purpose. Could
> anyone please provided a hi
On Tue, 03 Aug 2010 18:48:24 +1000, James Mills wrote:
>> One feature which can't readily be implemented in C is the automatic
>> clean-up side of the RAII idiom.
>
> C is a Turing-Complete Language is it not ?
>
> If so, therefore is it not true "anything" can be implemented ?
> Even the "autom
On Thu, 05 Aug 2010 12:23:35 +0100, Chris Withers wrote:
>>> ...then the output is indeed captured. So, what is svn doing
>>> differently? How is it escaping its jail?
>>
>> maybe it does not read from stdin but directly from /dev/tty
>
> But why only the request for auth credentials?
So that
On Thu, 05 Aug 2010 10:50:21 -0700, Martin Landa wrote:
> is it possible to pass pointer to a method using ctypes.
I don't know about methods, but it works for functions.
> Sample code:
>
> ...
> G_set_error_routine(byref(self._print_error))
This won't work; you have to be more explici
On Fri, 06 Aug 2010 02:06:29 -0700, loial wrote:
> I need to read a large amount of data that is being returned in
> standard output by a shell script I am calling.
>
> (I think the script should really be writing to a file but I have no
> control over that)
If the script is writing to stdout, y
On Fri, 06 Aug 2010 18:39:27 -0700, dmtr wrote:
> Steven, thank you for answering. See my comments inline. Perhaps I
> should have formulated my question a bit differently: Are there any
> *compact* high performance containers for unicode()/str() objects in
> Python? By *compact* I don't mean comp
On Sat, 07 Aug 2010 09:53:48 -0400, D'Arcy J.M. Cain wrote:
>> A new born baby is in his/her first year. It's year 1 of his/her life.
>> For this reason, also "the year 0" doesn't exist. From the fact that a
>> baby can be half a year old, you derive that arrays should have floats
>> as indi
On Sat, 07 Aug 2010 13:48:32 +0200, News123 wrote:
>> "Common sense" is wrong. There are many compelling advantages to
>> numbering from zero instead of one:
>>
>> http://lambda-the-ultimate.org/node/1950
>
> It makes sense in assembly language and even in many byte code languages.
> It makes
On Mon, 09 Aug 2010 04:41:23 -0700, saeed.gnu wrote:
> "x is not None" is a really silly statement!! because id(None) and id
> of any constant object is not predictable! I don't know whay people
> use "is" instead of "==". you should write "if x!=None" instead of "x
> is not None"
No, you should
On Wed, 11 Aug 2010 13:08:59 +1000, Cameron Simpson wrote:
> The reason .bashrc gets overused for envars, aside from ignorance and
> propagated bad habits, is that in a GUI desktop the setup sequence is
> often a bit backwards. A conventional terminal/console login means you
> get a login shell th
On Wed, 11 Aug 2010 10:32:41 +, Tim Harig wrote:
>>> Usually you either
>>> need an option on the upstream program to tell it to line
>>> buffer explicitly
>>
>> once cat had an option -u doing exactly that but nowadays
>> -u seems to be ignored
>>
>> http://www.opengroup.org/onlinepubs/009695
On Wed, 11 Aug 2010 18:49:26 -0700, RG wrote:
> This doesn't explain why "cat | cat" when run interactively outputs
> line-by-line (which it does). STDIN to the first cat is a TTY, but the
> second one isn't.
GNU cat doesn't use stdio, it uses read() and write(), so there isn't any
buffering.
On Thu, 12 Aug 2010 18:19:40 -0700, Benjamin Kaplan wrote:
> But that's not keeping the number the way it was typed. It's just not
> showing you the exact approximation.
Nor is 34.523 showing you the "exact approximation".
The closest "double" to 34.52 is 4858258098025923 / 2**47, wh
On Thu, 12 Aug 2010 16:09:10 -0700, Brian Salter wrote:
> I've seen a number of tutorials that describe how to bring in a dll in
> python, but does anybody know of a tutorial for how to bring in a lib? Is
> it even possible?
No. ctypes relies upon the OS to actually load the library, and the O
On Fri, 13 Aug 2010 11:45:28 +0200, Jean-Michel Pichavant wrote:
> I'm trying to update the content of a $Microsoft$ VC2005 project files
> using a python application.
> Since those files are XML data, I assumed I could easily do that.
>
> My problem is that VC somehow thinks that the file is co
On Mon, 16 Aug 2010 22:35:49 -0400, AK wrote:
> As monitors are getting bigger, is there a general change in opinion on
> the 79 chars limit in source files? I've experimented with 98 characters
> per line and I find it quite a bit more comfortable to work with that
> length, even though sometimes
On Wed, 18 Aug 2010 05:56:27 -0700, Duim wrote:
> Although I'm sure somewhere this issue is discussed in this (great)
> group, I didn't know the proper search words for it (although I
> tried).
>
> I'm using python (2.6) scientifically mostly, and created a simple
> class to store time series (my
On Thu, 19 Aug 2010 14:30:34 +0200, Alain Ketterlin wrote:
>> If a python module requires a data file to run how would I reference
>> this data file in the source in a way that does not depend on whether
>> the module is installed system-wide, installed in $HOME/.local or is
>> just placed in a di
On Fri, 20 Aug 2010 00:04:29 +0200, Thomas Jollans wrote:
> This brings up an interesting, but probably quite complicated question: is it
> reasonable to try to express Windows permissions using full POSIX ACLs
> Do Windows NT permissions do anything more? Or, apart from the
> "executable" bit,
On Fri, 20 Aug 2010 19:41:44 +0200, Thomas Jollans wrote:
>> "Create Folders" and "Delete Subfolders and Files" correspond to having
>> write permission on a directory.
>
> How does append differ from write? If you have appending permissions, but not
> writing ones, is it impossible to seek? Or
On Mon, 23 Aug 2010 10:38:02 -0700, Leon Derczynski wrote:
> I would like to run an external program, and discard anything written
> to stderr during its execution, capturing only stdout. My code
> currently looks like:
>
> def blaheta_tag(filename):
> blaheta_dir = '/home/leon/signal_ann
On Thu, 25 Jun 2009 18:02:25 -0700, Kee Nethery wrote:
> Summary: I have XML as string and I want to pull it into ElementTree
> so that I can play with it but it is not working for me. XML and
> fromstring when used with a string do not do the same thing as parse
> does with a file. How do I
On Fri, 26 Jun 2009 10:04:21 +0200, Andras.Horvath wrote:
> (disclaimer: this might be a FAQ entry somewhere but I honestly did use
> Google)
>
> I'm in the process of picking a language for a client application that
> accesses a HTTPS (actually SOAP) server. This would be easy enough in
> Pytho
On Sat, 27 Jun 2009 17:17:22 -0700, Dennis Lee Bieber wrote:
>> His concern really isn't what is in the toolkit, but what isn't.
>> It must not require lots of lines of code to produce a simple
>> GUI, it must not require specification of absolute coordinates,
>> ... - you should be able to contin
On Sat, 27 Jun 2009 16:12:10 -0500, Benjamin Peterson wrote:
> Python 3.1 focuses on the stabilization and optimization of the features and
> changes that Python 3.0 introduced. For example, the new I/O system has been
> rewritten in C for speed. File system APIs that use unicode strings now
> h
On Sun, 28 Jun 2009 15:22:15 +, Benjamin Peterson wrote:
> Nobody nowhere.com> writes:
>> All in all, Python 3.x still has a long way to go before it will be
>> suitable for real-world use.
>
> Such as?
Such as not trying to shoe-horn every byte string it encounte
On Sun, 28 Jun 2009 19:21:49 +, Benjamin Peterson wrote:
>> Yes, but do you get back the original byte strings? Maybe I'm missing
>> something, but my impression is that this is still an issue for the email
>> module as well as command-line arguments and environment variables.
>
> The email
On Sun, 28 Jun 2009 13:31:50 -0400, Terry Reedy wrote:
>>> Nobody nowhere.com> writes:
>>>> All in all, Python 3.x still has a long way to go before it will be
>>>> suitable for real-world use.
>>> Such as?
>>
>> Such as not trying to
On Sun, 28 Jun 2009 20:54:11 -0700, Paul Rubin wrote:
> João Valverde writes:
>> Could you clarify what you mean by immutable? As in... not mutable? As
>> in without supporting insertions and deletions?
>
> Correct.
>
>> That's has the same performance as using binary search on a sorted
>>
On Mon, 29 Jun 2009 09:18:20 +0200, Andras.Horvath wrote:
>> For a urllib-style interface, there's not much point in performing
>> verification after the fact. Either the library performs verification or
>> it doesn't. If it doesn't, you've just sent the (potentially confidential)
>> request to an
On Sun, 28 Jun 2009 21:25:13 +, Benjamin Peterson wrote:
>> > The email module is, yes, broken. You can recover the bytestrings of
>> > command-line arguments and environment variables.
>>
>> 1. Does Python offer any assistance in doing so, or do you have to
>> manually convert the surrogates
On Sun, 28 Jun 2009 14:36:37 +0200, Martin v. Löwis wrote:
>> That's a significant improvement. It still decodes os.environ and sys.argv
>> before you have a chance to call sys.setfilesystemencoding(), but it
>> appears to be recoverable (with some effort; I can't find any way to re-do
>> the enco
On Mon, 29 Jun 2009 13:57:49 +0200, Hallvard B Furuseth wrote:
>> Okay, that's useful, except that it may have some bugs:
>> (...)
>> Assuming that this gets fixed, it should make most of the problems with
>> 3.0 solvable. OTOH, it wouldn't have killed them to have added e.g.
>> sys.argv_bytes and
On Mon, 29 Jun 2009 11:41:11 +, Antoine Pitrou wrote:
> Nobody nowhere.com> writes:
>>
>> This results in an internal error:
>>
>> > "\udce4\udceb\udcef\udcf6\udcfc".encode("iso-8859-1", "surrogateescape")
>> Traceb
On Mon, 29 Jun 2009 13:05:51 +0100, Paul Moore wrote:
>> As for a bytes version of sys.argv and os.environ, you're welcome to
>> propose a patch (this would be a separate issue on the aforementioned
>> issue tracker).
>
> But please be aware that such a proposal would have to consider:
>
> 1. Th
On Mon, 29 Jun 2009 13:53:30 -0500, Tim Pinkawa wrote:
>> I'm looking for a Python library function that provides the same
>> functionality as the `which' command--namely, search the $PATH
>> variable for a given string and see if it exists anywhere within. I
>> currently examine the output from
On Mon, 29 Jun 2009 19:15:08 +, John Gordon wrote:
>> > if time_difference < 3601:
>
>> That's a potential off-by-one error. [...] The right test is:
>
>> if time_difference <= 3600:
>
> Aren't those two comparisons the same?
Not if time_difference is a float.
--
http://mail.pyth
On Mon, 29 Jun 2009 14:31:25 -0500, Tim Pinkawa wrote:
>> "if file in os.list()" is slow and not correct. You have to check if the
>> file is either a real file or a symlink to a file and not a directory or
>> special. Then you have to verify that the file has the executable bit, too.
>
> I reali
On Mon, 29 Jun 2009 21:53:42 +0200, Christian Heimes wrote:
>> I am curious about it being slow, though. Is there a faster way to get
>> the contents of a directory than os.listdir() or is there a faster way
>> to see if an element is in a list other than "x in y"? I believe
>> 'which' will termin
On Mon, 29 Jun 2009 21:15:52 +0200, Pascal Chambon wrote:
> I've had real issues with subprocesses recently : from a python script,
> on windows, I wanted to "give control" to a command line utility, i.e
> forward user in put to it and display its output on console.
Are you talking about a pope
On Mon, 29 Jun 2009 14:16:34 -0700, Scott David Daniels wrote:
>>> Do you mean like a zip or tar file?
>>>
>>> http://docs.python.org/library/zipfile.htmlhttp://docs.python.org/library/tarfile.html
>>>
>>
>> I had no idea you could access a single file from a ZIP or TAR without
>> explicitly extr
On Thu, 02 Jul 2009 10:32:04 +0200, Joachim Strömbergson wrote:
> I just read the PEP368 and really liked the proposed idea, sound like a
> great battery addition to include in the std lib:
>
> http://www.python.org/dev/peps/pep-0368/
Unfortunately, it's too simplistic, meaning that most of the
On Thu, 02 Jul 2009 09:38:56 -0700, Ethan Furman wrote:
> Greetings!
>
> My closest to successfull attempt:
>
> Python 2.5.4 (r254:67916, Dec 23 2008, 15:10:54) [MSC v.1310 32 bit (Intel)]
> Type "copyright", "credits" or "license" for more information.
>
> IPython 0.9.1 -- An enhanced Interact
On Sat, 04 Jul 2009 16:35:08 -0700, John Nagle wrote:
> The temptation is to write tokenizers in C, but that's an admission
> of language design failure.
The only part that really needs to be written in C is the DFA loop. The
code to construct the state table from regexps could be written
ent
On Mon, 06 Jul 2009 20:41:03 +0300, jack catcher (nick) wrote:
>> Does the webcam just deliver frames, or are you getting frames out of
>> a decoder layer? If it's the latter, you want to distribute the encoded
>> video, which should be much lower bandwidth. Exactly how you do that
>> depends a
On Tue, 07 Jul 2009 09:01:39 +0300, jack catcher (nick) wrote:
> Thanks for the comments. Unfortunately, such specifications aren't easy
> to find, even in reviews. Fortunately several newer webcams seem at
> least to use usb2.
Supporting USB-2 doesn't mean that the camera necessarily uses high
On Tue, 07 Jul 2009 22:49:22 -0700, Dennis Lee Bieber wrote:
> On Tue, 07 Jul 2009 23:37:43 +0100, Nobody
> declaimed the following in gmane.comp.python.general:
>
>> AFAIK, the only real difference between "USB-1 conformant" and "USB-2
>> conformant"
On Tue, 07 Jul 2009 22:11:12 -0700, Tim Roberts wrote:
>>The webcam is bound to do some encoding; most of them use USB "full speed"
>>(12Mbit/sec), which isn't enough for raw 640x480x24...@30fps data.
>
> That's not true. Most of the web cams made in the last 5 years or so run
> at high speed, 4
On Tue, 07 Jul 2009 21:31:12 -0700, Rajat wrote:
>> > By the way most operating systems don't lock a file when it's opened for
>> > reading or writing or even executed.
>>
>> The general conclusion seems to be that mandatory locking is more trouble
>> than it's worth.
>
> My OS is a windows XP sp
On Wed, 08 Jul 2009 20:53:12 -0700, Fred Atkinson wrote:
>>ipaddr = (getenv("HTTP_CLIENT_IP") or
>> getenv("HTTP_X_FORWARDED_FOR") or
>> getenv("HTTP_X_FORWARDED_FOR") or
>> getenv("REMOTE_ADDR") or
>> "UNKNOWN")
>>
>>print ipaddr
>
> That did it.
>
> I wonder why they don'
On Thu, 09 Jul 2009 04:57:15 -0300, Gabriel Genellina wrote:
> Nobody says you shouldn't check your data. Only that "assert" is not the
> right way to do that.
"assert" is not the right way to check your *inputs*. It's a perfectly
reasonable way to check d
On Thu, 09 Jul 2009 18:36:05 -0700, inkhorn wrote:
> For one of my projects, I came across the need to check if one of many
> items from a list of strings could be found in a long string.
If you need to match many strings or very long strings against the same
list of items, the following should (
On Fri, 10 Jul 2009 09:23:54 +, garabik-news-2005-05 wrote:
>>> I would like to learn a way of changing the colour of a particular
>>> part of the output text. I've tried the following
>
>> On Unix operating systems this would be done through the curses interface:
>>
>> http://docs.python.or
On Tue, 14 Jul 2009 02:06:04 -0300, Gabriel Genellina wrote:
>> Matt, how many words are you looking for, in how long a string ?
>> Were you able to time any( substr in long_string ) against re.compile
>> ( "|".join( list_items )) ?
>
> There is a known algorithm to solve specifically this proble
On Tue, 14 Jul 2009 11:47:08 -0700, Paul Rubin wrote:
>> - unlimited precision integers
>> - easy to program
>> - IDE not required
>> - reasonable speed
>> - math library needs to include number theoretic functions
>> like GCD, LCM, Modular Inverse, etc.
>> - not fucking retarded like F#
>
> Ha
On Wed, 15 Jul 2009 17:03:30 +0200, Jean-Michel Pichavant wrote:
>> Hard-coding control/escape sequences is just lame. Use the curses modules
>> to obtain the correct sequences for the terminal.
>>
>>
> As the OP I'm really interested in doing so. I currently have all my
> colors hard-coded.
>
On Wed, 15 Jul 2009 21:05:16 +0200, Jean-Michel Pichavant wrote:
> So if I resume:
> - not 'foo' => False
> - 'foo' or 'foo' => 'foo'
>
> I may be missing something, but honestly, Guido must have smoked some
> heavy stuff to write such logic, has he ?
Several languages (e.g. Lisp, Bourne shell)
On Thu, 16 Jul 2009 11:06:54 +0200, Jean-Michel Pichavant wrote:
>>> So if I resume:
>>> - not 'foo' => False
>>> - 'foo' or 'foo' => 'foo'
>>>
>>> I may be missing something, but honestly, Guido must have smoked some
>>> heavy stuff to write such logic, has he ?
>>
>> Several languages (e.g. Lis
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