t right. Once the
connection has been accepted, you have to read data from the
socket returned by the accept() call.
> print data
> s.close()
--
Grant Edwards grante Yow! Actually, what
at I'd like is a lit
performance)?
That's a pretty huge "except" for some applications.
--
Grant Edwards grante Yow! HUGH BEAUMONT died
at in 1982!!
visi.com
--
http://mail.python.org/mailman/listinfo/python-list
o
>>> list.sort.__doc__
'L.sort(cmpfunc=None) -- stable sort *IN PLACE*; cmpfunc(x, y) -> -1, 0, 1'
--
Grant Edwards grante Yow! But they went to MARS
at around 1953!!
On 2005-02-01, Tim Peters <[EMAIL PROTECTED]> wrote:
> [Grant Edwards]
>> I'm trying to figure out how to sort a list, and I've run into
>> a problem that that I have tripped over constantly for years:
>> where are the methods of basic types documented?
>
t;
><http://www.python.org/doc/2.4/lib/typesseq-mutable.html>
Yes, that last page was the one I was looking for. I didn't
know enough to spell list as "mutable sequence type".
--
Grant Edwards grante Yow! I think my CAREE
On 2005-02-01, Tim Peters <[EMAIL PROTECTED]> wrote:
> [Grant Edwards]
>> I did. I looked up sort in the library index, and it took me
>> to 3.3.5 Emulating container types,
>
> It doesn't for me. Here:
>
> http://docs.python.org/lib/genindex.html#
On 2005-02-01, alexrait1 <[EMAIL PROTECTED]> wrote:
> Do something useful... (at least for me)
> For instance I need a gtk frontend for pgp.
> So here you can have an opportunity to learn both pyGTK and pgp. A lot
> of python code... :)
Um, to whom are you addressing your co
27;ve already said: if you're trying to get data from already
established connections, you can't do it using accept. You
have to use the pcap library.
You're going to have to accurately describe what you're trying
to do, or none of us are going to be ab
=13826
Once upon a time, there was a rumor that somebody had a Win32
version of pylibpcap.
Good luck. :)
--
Grant Edwards grante Yow! Did an Italian CRANE
at OPERATOR just experience
On 2005-02-01, Jeremy Bowers <[EMAIL PROTECTED]> wrote:
> On Tue, 01 Feb 2005 21:57:45 +0000, Grant Edwards wrote:
>
>> On 2005-02-01, alexrait1 <[EMAIL PROTECTED]> wrote:
>>
>>> Do something useful... (at least for me) For instance I need a gtk
>&g
in it's own
thread. I later saw the post to which you intended to reply.
--
Grant Edwards grante Yow! The entire CHINESE
at WOMEN'S VOLLEYBALL TEAM all
visi.com
-character file name that console-beep is placed
Under Unix it's not all that hard to accidentally create files
like that. Sometimes you have to resort to blasting them away
by i-node number, or by moving the files you want to keep and
then nuking the directory.
--
Grant Edwards
ate note, are there hooks in pickle to allow
the user to handle types that pickle can't deal with? Or, do I
have to throw out pickle and write something from scratch?
[NaN and Infinity are prefectly valid (and extremely useful)
floating point values, and not using them would require huge
On 2005-06-21, Grant Edwards <[EMAIL PROTECTED]> wrote:
> I finally figured out why one of my apps sometimes fails under
> Win32 when it always works fine under Linux
[...]
Oh, I forgot, here's pickletest.py:
#!/usr/bin/python
import pickle
f1 = (1e300*1e300)
f2 = f1
hat to do with "+`s`
self.append(f)
Obviously the list of accepted string values should be expanded
to include other platforms as needed. The above example
handles Win32 and glibc (e.g. Linux).
Even better, add that code to float().
--
Grant Edwards grante
;s using the "native" string representation of a NaN or
Inf.
A perhaps simpler approach would be to define a string
representation for Python to use for NaN and Inf. Just because
something isn't defined by the C standard doesn't mean it can't
be defined by Python.
dden is it taboo for Python to impliment
something that's not universally portable and defined in a
standard? Where's the standard defining Python?
--
Grant Edwards grante Yow! ... A housewife
at is wearing a polypyrene
visi.comjumpsuit!!
--
http://mail.python.org/mailman/listinfo/python-list
On 2005-06-22, Scott David Daniels <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>> On 2005-06-22, Scott David Daniels <[EMAIL PROTECTED]> wrote:
>>>Several issues:
>>
>>
>>>(1) The number of distinct NaNs varies among platforms.
>>
e300*1e300)/(1e300*1e300) and hope for the
best. The other is to assume IEEE 754 just use 7f80 or
7fc0 depending on whether you want a signalling or quiet
NaN.
--
Grant Edwards grante Yow! Don't hit me!! I'm in
Aren't we talking about IEEE 754 arithmetic?
Mainly, yes.
> There's some specific bit pattern(s) for -0.0 and you can
> assign a float variable to such a pattern.
Yup.
--
Grant Edwards grante Yow! My Aunt MAUREEN was
ke
> major improvements here in pickle, struct and marshal for
> Python 2.5!
I would think it doable if one assumed IEEE-754 FP (famous last
words). I suppose there are still a few VAX machines around.
And there are things like TI DSPs that don't use IEEE-754.
--
Grant Edwards
On 2005-06-23, Grant Edwards <[EMAIL PROTECTED]> wrote:
> On 2005-06-23, Tim Peters <[EMAIL PROTECTED]> wrote:
>
>> C89 doesn't define the result of that, but "most" C compilers these
>> days will create a negative 0.
>>
>>> and (double)0
ther instance of the script is launched, it will just
>| return with an
>| error.
>
> If you're on Windows, have a look at this recent thread:
>
> http://groups-beta.google.com/group/comp.lang.python/msg/2a4fadfd3d6e3d4b?hl=en
If you're on Unix/Linux, the usua
hen call link() to rename it.
Both open() and link() are atomic operations, so there's no
race condition.
--
Grant Edwards grante Yow! I don't know WHY I
at said that... I think it
On 2005-06-23, Grant Edwards <[EMAIL PROTECTED]> wrote:
> On 2005-06-23, Tim Golden <[EMAIL PROTECTED]> wrote:
>> [Ali]
>>|
>>| I have a script which I double-click to run. If i double-click it
>>| again, it will launch another instance of the script.
&g
On 2005-06-23, Aahz <[EMAIL PROTECTED]> wrote:
> In article <[EMAIL PROTECTED]>,
> Grant Edwards <[EMAIL PROTECTED]> wrote:
>>
>>Both open() and link() are atomic operations, so there's no
>>race condition.
>
> ...unless you're running
o
> 0, it won't accept any more connections. (I'm not at all sure, but that
> sounds like what it's doing.)
The "1" tells the stack how many pending connections are allowed.
--
Grant Edwards grante Yow! I FORGOT to do the
t obvious. I thought this response might
> clarify the meaning of listen(1) a little bit for some folks
> nevertheless.
He could change the 1 to a larger number and see if the
behavior changes.
--
Grant Edwards grante Yow! I was giving HAIR
down() before one does a
> socket.close??
No.
[I've never figured out why one would do a shutdown RDWR
rather than close the connection, but I haven't put a lot of
thought into it.]
--
Grant Edwards grante Yow! -- I love KATRINKA
en that 8
was the minimum, but I do remember that 1 didn't result in a
second connect failing.
--
Grant Edwards grante Yow! Ha ha Ha ha Ha ha
at Ha Ha Ha Ha -- When will I
the only time I had
ever used shutdown was to shutdown just the transmit half.
--
Grant Edwards grante Yow! An INK-LING? Sure --
at TAKE one!! Did you BUY any
visi.comCOMMUNIS
Dumper;
> print Dumper([EMAIL PROTECTED]);
>
> --
> is there some shortcut to turn lines into list in Python?
corenames = [ "rb_basic_islamic",
"sq1_pentagonTile",
"sq_arc501Tile",
"sq_arc503T
," does it sound unsophisticated and dumb?
I too have always wondered about this.
> Be blunt. We Americans need to know. Should we try to change
> the way we speak? Are there certain words that sound
> particularly goofy? Please help us with your advice on this
> awkward matter.
--
ht forum to use indicates more
> sophistication and high intelligence than the way one speaks.
> ;-)
Well, there is that...
--
Grant Edwards grante Yow! Hello... IRON
at CURTAIN? Send ov
On 2005-06-28, Jarek Zgoda <[EMAIL PROTECTED]> wrote:
> Grant Edwards napisa³(a):
>
>>>To be blunt, I have no idea what this has to do with Python.
>>
>> Monty Python was mostly Brits?
>
> Wasn't they all Brits?
Nope. Terry Gill
On 2005-06-28, Devan L <[EMAIL PROTECTED]> wrote:
> Thats like posting about Google here because the newsgroup is hosted on
> Google.
Except the newsgroup isn't "hosted on Google", and it's far
less interesting than Monty Python.
--
Grant Edwards
On 2005-06-28, Jarek Zgoda <[EMAIL PROTECTED]> wrote:
> Grant Edwards napisa³(a):
>
>>>>>To be blunt, I have no idea what this has to do with Python.
>>>>Monty Python was mostly Brits?
>>>
>>>Wasn't they all Brits?
>>
>>
have seen the "Twit of the Year" skit or
the election skit with what's-his-name (pronounced "mangrove
throatwarbler").
--
Grant Edwards grante Yow! I wonder if I should
at put myself in ESCROW!
the character was supposed to be an _American_.
I assume that when I try to speak with a British accent I sound
just as bad to a Brit.
--
Grant Edwards grante Yow! Why is everything
at made of Lycra Spandex?
r should be able to do. In a real OS,
it's a restricted operation and you need special privledges.
Under Linux, you need to be root to send a broadcase packet.
--
Grant Edwards grante Yow! How's the wife? Is
On 2005-06-29, Luis M. Gonzalez <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>> That depends on the accent. I believe that's probably true for
>> the educated south of England, BBC, received pronunciation. I
>> don't think that's true for some of
On 2005-06-29, Jp Calderone <[EMAIL PROTECTED]> wrote:
> On Thu, 30 Jun 2005 00:13:45 +0200, Irmen de Jong <[EMAIL PROTECTED]> wrote:
>>Grant Edwards wrote:
>>
>>> Under Linux, you need to be root to send a broadcase packet.
>>
>>I don't think
g plenty of BBC, and I run
into afew native Londoners whom I have hard time understanding.
I don't ever remember having troubly understanding people
outside the city.
--
Grant Edwards grante Yow! I KAISER ROLL?! What
to take the r's
removed from words like "carrier" and "order", and add them to
the ends of other words like Amanda.
--
Grant Edwards grante Yow! There's a SALE on
at STRETCH SOCKS down at the
t;>>
>>>
>>
>> Off the top of my head (so there could be errors):
>>
>> import socket
>> s = socket.Socket()
>> s.connect((10.214.109.50, 2))
>> s.send("Hello, Mum\r\n")
>
> Just curious...where do these messag
r all sorts of programs under from a couple
lines for a normal text filter to thousands of lines with a
complex GUI.
[Why are Python programs referred to as "scripts". Python no
more a "scripting" language than Java, Pascal, Smalltalk,
Objective C.]
--
Grant Ed
st was never the case. There never was a C-language
monoculture in any OS.
Another possible interpretation is that at some point in the
past, there was some misguided soul who has tried to use C for
every type of task imaginable. That's probably true, but the
same could be said of any language.
--
Grant Edwards
--
http://mail.python.org/mailman/listinfo/python-list
On 2005-07-02, Andrew Durdin <[EMAIL PROTECTED]> wrote:
> On 7/1/05, Grant Edwards <[EMAIL PROTECTED]> wrote:
>> On 2005-06-30, Delaney, Timothy (Tim) <[EMAIL PROTECTED]> wrote:
>> > Tom Anderson wrote:
>> >
>> >> How about carrier?
>>
cents that the average Brit does.
--
Grant Edwards grante Yow! Do you guys know we
at just passed thru a BLACK
visi.comHOLE in space?
--
http://mail.python.org/mailman/listinfo/python-list
of multiple processors. No
matter how many CPUs you have, only one thread is allowed to
run at any point in time.
Multi-threading in Python is useful for simplifying the
architecture of a program that has to do multiple independent
tasks, but it isn't useful for actually running mult
ue. Python can execute C code in parallel, but not Python
code.
> Tou might get the results you want by not using threads,
> instead spawning off completely new Python invocations
> assigned to other processors.
That should work, but managing the inter-process communication
and sync
On 2005-07-05, Grant Edwards <[EMAIL PROTECTED]> wrote:
>> Don't think you can do that with Python... The Python runtime
>> interpreter itself is running on a single processor.
>
> I don't see how that can be. Under Linux at least, the Python
> threading mo
7;t. Emacs doesn't follow the Unix way.
> (Note: this isn't a flame about emacs, nor vi for that matter,
> just a discussion about the apparent conflict in the two
> philosophies embodied by the "simple little programs" and the
> "emacs" approaches.)
Who
ence
background doesn't know it.
> And besides, "def" isn't a "magic" word... it's an abreviation
> for "define"... I hope that any student who didn't understand
> a word as common as "define" wouldn't have graduated fro
On 2005-07-06, Dennis Lee Bieber <[EMAIL PROTECTED]> wrote:
> On Tue, 05 Jul 2005 16:01:23 -0000, Grant Edwards <[EMAIL PROTECTED]>
> declaimed the following in comp.lang.python:
>
>> Or is the Python interpreter actually doing the context
>> switches itself?
>
On 2005-07-06, Alex Stapleton <[EMAIL PROTECTED]> wrote:
> Is SYS V shared memory a totalyl stupid way of doing distributed locks
> between processes then?
Sys V semaphores would seem to be a more logical choice.
--
Grant Edwards grante Yow! I'
ine code, I wouldn't say there
> are multiple interpreters.
>
> There's a reason the GIL is the *global* interpreter lock...
Exactly.
--
Grant Edwards grante Yow! I've been WRITING
at to SOPHIA
erence between an "invalid integer value" and an
integer with value 0.
--
Grant Edwards grante Yow! I've read SEVEN
at MILLION books!!
visi.com
--
http://mail.python.org/mailman/listinfo/python-list
On 2005-07-07, Ron Adam <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>
>> On 2005-07-06, Ron Adam <[EMAIL PROTECTED]> wrote:
>>
>>
>>>It would be a way to set an argument as being optional without
>>>actually assigning a value to it.
On 2005-07-07, Leif K-Brooks <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>> 1) So I know whether an parameter was passed in or not. Perhaps
>>it's not considered good Pythonic style, but I like to use a
>>single method for both get and set operations.
that
d.foo(3)
d.foo()
are doing something other than just getting/setting the value
of an instance attribute. If all I really wanted to do was
get/set the instance's "v" attribute, I probably would have
just done it like this
d.v = 3
print d.v
--
On 2005-07-07, Leif K-Brooks <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>> On 2005-07-07, Leif K-Brooks <[EMAIL PROTECTED]> wrote:
>>>_NOVALUE = object()
>>>class demo:
>>>def foo(v=_NOVALUE):
>>>if v
you don't have to check for a NameError.
How would you spell "if a name is None"?
Personally, I think the spellings
del name
if 'name' in locals()
is much more explicit/obvious than
name = None
name is None
I expect the "=" operator to bind a name t
hat you ask, somebody else
will someday want to know the same thing, and Google will find
them the answer if it's in a public forum.
--
Grant Edwards grante Yow! He is the
at
atforms. At least in my experience under Linux, libpthread
always creates an extra "manager" thread. Though in our case
that thread probably wouldn't be running a Python interpreter.
--
Grant Edwards grante Yow! Uh-oh!! I'm having
ow I can get around
> this? I have to transmitt data to an old system. The system
> only reads broadcast data on port 17100.
Didn't we just answer this question for you two weeks ago?
http://groups-beta.google.com/group/comp.lang.python/browse_frm/thread/6447ef29cf613660/dc
or projects that need to perform tasks on
> non-Microsoft operating systems. :-)
It's also darned handy for projects that need to perform tasks
on Microsft operating systems but you want to do all the
development work under a real OS.
--
Grant Edwards grante
On 2005-07-11, Vivek Chaudhary <[EMAIL PROTECTED]> wrote:
> Is it possible to set an environment variable in python script whose
> value is retained even after the script exits.
No, not in Unix/Linux. In VMS I think there is.
--
Grant Edwards grante
ter in these kind of jobs.
Using bash and find:
(find path1 path2 path3 -type f -exec existingProgram {} \;) >outputFile
--
Grant Edwards grante Yow! You can't hurt
at me!! I have an ASSUMABLE
built-in int()
the string formatting operator "%":
http://docs.python.org/lib/typesseq-strings.html
--
Grant Edwards grante Yow! All right, you
at degenerates! I want this
issue?
The end-of-line characters might get converted -- even if
they're not really "end-of-line" characters in the file in
question.
--
Grant Edwards grante Yow! My mind is a potato
at field...
On 2005-07-12, Yannick Turgeon <[EMAIL PROTECTED]> wrote:
> To acheive point #3, which is the goal, my web client has to manage
> session (because of the login aspect). This is the part I don't know
> how it's working.
You might want to take a look at the ClientCookie pa
any way to get Python to return the correct results
for those operations rather than raising an exception?
There's no way to "resume" from the exception and return a
value from an exception handler, right? [This is the other
option allowed by the IEEE 754 standard.]
--
Grant Edwards
u
> can't give a non-silly answer to my earlier "what does your
> platform C return for the integer expression 42/0?" question
> today .
>
>> There's no way to "resume" from the exception and return a
>> value from an exception handl
story, but the remarkable dominance of
> the Pentium architecture changed everything on the HW side.
As messed up as I think the IA32 architecture is, I do think
Intel got FP mostly right. :)
--
Grant Edwards grante Yow! If I felt any more
On 2005-07-14, Grant Edwards <[EMAIL PROTECTED]> wrote:
> On 2005-07-14, Tim Peters <[EMAIL PROTECTED]> wrote:
>
>> You may have forgotten how much richer the "plausible HW" landscape
>> was at the time too.
>
> I've probably blocked most of it ou
ion.
> (although in a different way than the C implementation on the
> same system).
I can't find my copy of the standard at the moment, though I
did just re-read Goldberg's 1991 discussion of the standard.
--
Grant Edwards grante Yow! My Aunt MAUREEN
On 2005-07-15, Michael Hudson <[EMAIL PROTECTED]> wrote:
> Grant Edwards <[EMAIL PROTECTED]> writes:
>
>> I've read over and over that Python leaves floating point
>> issues up to the underlying platform.
>
> Please read the conversation Tim and I are h
capability.
> That's probably why my program dies, how can i get my code to
> handle this?
I don't understand what "this" is. If the server is sending
you some sort of redirect message, then parse it and obey it.
--
Grant Edwards grante
On 2005-07-19, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Chris, How would a wireless router show a signal to noise ratio?
On a web page.
> Especially if it's providing the signal?
It receives as well. At least mine does. Data goes both in
and out.
gt; f.close()
>
> Basically it doesnt work and what it prints out is the value of
> pdffile_path variable. If anyone can offer some help, Id appreaciate it
> thanks!
You forgot to read the data from the pdf file.
f = open(printer_path, 'w')
f.write(open(pdffile_path,'rb
o short, the good ones go over yer head. Ya got a
hole in yer glove, boy, I keep pitching them and you keep
missing them. Ya gotta keep yer eye on the ball, son. Eye.
Ball. Eyeball. I almost had a funny there. Joke, that is.
--
Grant Edwards grante
;s just not
explicit enough for me. My preference would be that if the
function didn't execute a "return" statement, then it didn't
return anyting and attempting to use a return value would be an
error.
I suppose there probably is code out there that depends on the
implicit "
is:
>>> def foo():
... print "foo was called"
...
>>> s = "foo"
>>> globals()[s]()
foo was called
>>>
--
Grant Edwards grante Yow! I'm meditating on
at
ier to write buggy code containing race
conditions using C/pthreads.
--
Grant Edwards grante Yow! I want to read my new
at poem about pork brains and
visi.comouter space...
--
http://mail.python.org/mailman/listinfo/python-list
ce/
You need to override __new__ rather than __init__
--
Grant Edwards grante Yow! I'm ANN LANDERS!! I
at can SHOPLIFT!!
visi.com
--
http://mail.python.org/mailman/listinfo/python-list
he search path for .dll's?
--
Grant Edwards grante Yow! .. I think I'd
at better go back to my DESK
visi.comand toy with a few common
On 2005-08-02, vincent wehren <[EMAIL PROTECTED]> wrote:
>
> "Grant Edwards" <[EMAIL PROTECTED]> schrieb im Newsbeitrag
> news:[EMAIL PROTECTED]
>|I have several python apps (some wxPython, some plain text-mode
>| stuff) that I distribute internally for instal
> any location from the command line - sys.argv[0] just won't do
> the trick in such a setting.
I'll give that a try.
--
Grant Edwards grante Yow! .. I think I'd
at bette
form you're
using either interprets the Java byte code or uses some variant
of JIT compilation into native object code.
--
Grant Edwards grante Yow! HELLO, little boys!
at Gimme a MINT TULIP!! Let's
On 2005-08-09, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> I can posted records as it will take up to much space. But all
> three phone numbers are stored in 8 bytes with null bytes (ie.
> 00) stored in the leading positions (ie. the left hand side)
>
> I do have some more examples;
>
> I have
On 2005-08-09, Scott David Daniels <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>>>Ex #1) 333-
>>>Hex On disk: 00 00 00 80 6a 6e 49 41
>>>
>>>Ex #2) 666-
>>>Hex On disk: 00 00 00 80 6a 6e 59 41
>>
>> So there
On 2005-08-09, Christopher Subich <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>> That would just be sick. I can't imagine anybody on an 8-bit
>> CPU using FP for a phone number.
>
> Nobody on an 8-bit CPU would have a FPU, so I'll guarantee that t
On 2005-08-10, Bengt Richter <[EMAIL PROTECTED]> wrote:
> On Tue, 09 Aug 2005 21:50:06 -0000, Grant Edwards <[EMAIL PROTECTED]> wrote:
>
>>On 2005-08-09, Scott David Daniels <[EMAIL PROTECTED]> wrote:
>>> Grant Edwards wrote:
>>>>>Ex #1
bers (whether integer or FP) when the only arithmetic
> operations that can be applied to them stuff them up mightily
> (like losing leading zeroes off post-codes, having NEGATIVE
> tax file numbers, etc) and it's still happening on the best
> OSes and 64-bit CPUS. W
On 2005-08-11, Qopit <[EMAIL PROTECTED]> wrote:
>
>> if debug: print "v=%s" % (v,)
>
> Not that important, but I assume the first one was supposed to be:
>
> if debug: print "v=", s
>
> right?
http://docs.python.org/tut/node9
y to run other programs and manipulate the
programs' input/output streams. It can be done, but the
semantics used to do so are identical to C (which nobody seems
to think is a scripting language).
Python is a general purposeprogramming language.
--
Grant Edwar
a news-
> reader even if you don't have access to a "real" NNTP server,
> see http://gmane.org/
Using an NNTP gateway to a mailing list that's gatewayed to a
Usenet group. That's about like running Cygwin under Windows
under Linux: there are valid reasons to do i
';'
1) The append() method of a sequence doesn't return anything.
2) You call methods using ()
3) String are immutable, and therefore don't have an append
method.
Perhaps you ought to read through the tutorial?
--
Grant Edwards grant
On 2005-08-13, tiissa <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>> s = ';'.join([couch,price,sdate,city])
>> print s
>
> I'll risk myself with something like:
>
> s = ';'.join([tag.string for tag in [couch,price,sdate,city]])
&g
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