Re: Version Control Software

2013-06-15 Thread Chris Angelico
On Sat, Jun 15, 2013 at 3:39 PM, Tim Delaney
timothy.c.dela...@gmail.com wrote:
 I can absolutely confirm how much ClearCase slows things down. I completely
 refused to use dynamic views for several reasons - #1 being that if you lost
 your network connection you couldn't work at all...

And that right there is why modern source control systems are
distributed, not centralized. It's so much easier with git; we lost
our central hub at one point, and another dev and I simply pulled from
each other for a bit until we got a new Scaphio online. With
centralized version control, that would have basically meant a
complete outage until the new box was up.

ChrisA
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Memory usage steadily going up while pickling objects

2013-06-15 Thread Peter Otten
Giorgos Tzampanakis wrote:

 I have a program that saves lots (about 800k) objects into a shelve
 database (I'm using sqlite3dbm for this since all the default python dbm
 packages seem to be unreliable and effectively unusable, but this is
 another discussion).
 
 The process takes about 10-15 minutes. During that time I see memory usage
 steadily rising, sometimes resulting in a MemoryError. Now, there is a
 chance that my code is keeping unneeded references to the stored objects,
 but I have debugged it thoroughly and haven't found any.
 
 So I'm beginning to suspect that the pickle module might be keeping an
 internal cache of objects being pickled. Is this true?

Pickler/Unpickler objects use a cache to maintain object identity, but at 
least shelve in the standard library uses a new Pickler/Unpickler for each 
set/get operation. 

I don't have sqlite3dbm, but you can try the following:

 import shelve
 class A: pass
... 
 a = A()
 s = shelve.open(tmp.shelve)
 s[x] = s[y] = a
 s[x] is s[y]
False

If you are getting True there must be a cache. One way to enable a cache 
yourself is writeback:

 s = shelve.open(tmp.shelve, writeback=True)
 s[x] = s[y] = a
 s[x] is s[y]
True

You didn't do that, I guess?

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Denis McMahon
On Fri, 14 Jun 2013 16:58:20 +0300, Nick the Gr33k wrote:

 On 14/6/2013 1:14 μμ, Cameron Simpson wrote:
 Normally a character in a b'...' item represents the byte value
 matching the character's Unicode ordinal value.

 The only thing that i didn't understood is this line.
 First please tell me what is a byte value

Seriously? You don't understand the term byte? And you're the support 
desk for a webhosting company?

-- 
Denis McMahon, denismfmcma...@gmail.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Denis McMahon
On Fri, 14 Jun 2013 12:32:56 +0300, Nick the Gr33k wrote:

 I'mm not trolling man, i just have hard time understanding why numbers
 acts as strings.

It depends on the context.

-- 
Denis McMahon, denismfmcma...@gmail.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Newbie: The philosophy behind list indexes

2013-06-15 Thread Peter Otten
Chris Rebert wrote:

 On Jun 14, 2013 10:26 PM, ian.l.came...@gmail.com wrote:

 What is the thinking behind stopping 'one short' when slicing or
 iterating through lists?

 I find Dijkstra's explanation rather convincing:
 http://www.cs.utexas.edu/~EWD/transcriptions/EWD08xx/EWD831.html

This is the only case where I prefer the pdf ;)

http://www.cs.utexas.edu/~EWD/ewd08xx/EWD831.PDF


-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Wrong website loaded when other requested

2013-06-15 Thread Nick the Gr33k

On 14/6/2013 9:45 μμ, Mark Lawrence wrote:

On 14/06/2013 17:46, Mark Lawrence wrote:


Sure, just give me your password.



He actually offered to do just this!!!  How stupid can you get?  I'm so
fed up with his behaviour that I've emailed the Greek Embassy in London
pointing out what he's up to.  I've requested that someone looks at his
activities and decides whether or not Greek law has been broken by him
risking his clients' data.  So Ferrous Cranus, if you feel the weight of
the law landing on your shoulders, please *DON'T* blame me, just look in
the mirror and you'll find the real culprit.


i did not offer you my password for real.
I said that if you state here in the list in front of all that you will 
actually try to solve whats wrong with files.py then i will you the 
password, which i knew you wouldn't state such a thing.



--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Debugging memory leaks

2013-06-15 Thread dieter
Chris Angelico ros...@gmail.com writes:

 ...
 It's terrible advice in generality, because it encourages a sloppiness
 of thinking: Memory usage doesn't matter, we'll just instruct people
 to reset everything now and then.

Memory usage may matter. But if you loose 1 kb a day, your process
can run 3 years before you have lost 1 MB. Compare this to the
485 MB used when you start firefox. The situation looks different
when you loose 10 MB a day.

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread alex23
On Saturday, 15 June 2013 02:09:20 UTC+10, Steven D'Aprano  wrote:
 To everyone else... I know that Nikos' posts are draining. Sometimes he 
 brings me to the brink of despair too. But if you aren't part of the 
 solution, you are part of the problem: writing short-tempered, insulting 
 posts after short-tempered, insulting post doesn't teach him, it just 
 adds to EVERYBODY'S frustration with this never-ending serious of threads.

What about our frustration that this thread has become so overwhelmingly his 
support group? It's not like there isn't a list where he could post absolute 
beginner questions:

http://mail.python.org/mailman/listinfo/tutor

Although I'm pretty sure their first response would be read the docs / play 
with the interpreter, neither of which he's shown any desire to do.

 Please keep the snarky comments offlist. 

Tried that. He posts them back here.

Alternatively, I'd ask that if you're so willing to deal with him, that the 
*two of you* take this show offlist instead? I'm genuinely curious as to 
whether he'd agree to this: given his propensity for changing his mail headers 
so regularly, the whole thing still screams performance troll. (I mean, 
seriously, how many days elapsed between his being burned by Chris Angelo and 
him offering to give you access to his server? Isn't refusing to budge from a 
position the defining characteristic of a ferrous cranus?)
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 9:50 πμ, alex23 wrote:

Please keep the snarky comments offlist.

Tried that. He posts them back here.

Alternatively, I'd ask that if you're so willing to deal with him, that the 
*two of you* take this show offlist instead? I'm genuinely curious as to 
whether he'd agree to this: given his propensity for changing his mail headers 
so regularly, the whole thing still screams performance troll. (I mean, 
seriously, how many days elapsed between his being burned by Chris Angelo and 
him offering to give you access to his server? Isn't refusing to budge from a 
position the defining characteristic of a ferrous cranus?)


I called my self 'Ferrous Cranus'(this is what a guy from a forum 
initially called me for being hard-headed :-) ) because i'm indeed 
hardheaded and if i believe that 1 thing should have worked in some way 
i cant change my mind easily that it works in another fashon(only if the 
counter-arguments are strong).

Being strong-headed != acting as a troll


About the changing of NNTP hosts. (well Google Groups gave me and you 
issues with its constant adding of '\n' between lines. I was given many 
complains about that so as Chris suggested i ditched Google Groups and 
try to find out how i can use TB instead.


As for the mail, i decided since my questions concern python and my 
website to change the gmail address to support@ which is more relevant.


I have also correct each time my spelling before i post.

Now as for you, you should be thankful for Steven and Cameron answers to 
this groups because answering my questions.


1. help me
2. help others, which afraid to ask, in the propensity of being laughed upon
3. help other groups members like Michale Torrie whose admitted that 
some of the explanation was useful to him and he didn't knew that 
Boolean expressions can return string values instead of True or False.
3. help you, because you are being educated yourself too, because i 
sincerely doubt if you knew anything i i have asked.


So, stop complaining and try to be helpful here or just  mute my thread 
as Chris suggested as a working solution opposed to kill filing.



--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Newbie: The philosophy behind list indexes

2013-06-15 Thread John Ladasky
On Friday, June 14, 2013 10:21:28 PM UTC-7, ian.l@gmail.com wrote:
I'm sure there's a good reason, but I'm worried it will result in a lot of 
'one-off' errors for me, so I need to get my head around the philosophy of this
behaviour, and where else it is observed (or not observed.)

My understanding is that it's so the same index can be used in slicing a list 
into complementary parts.  This also makes concatenation the inverse operation 
of slicing:


Python 3.3.1 (default, Apr 17 2013, 22:30:32) 
[GCC 4.7.3] on linux
Type help, copyright, credits or license for more information.
 a = list(range(10))
 a
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
 a[:7]
[0, 1, 2, 3, 4, 5, 6]
 a[7:]
[7, 8, 9]
 a[:7] + a[7:]
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]


It's a logical extension of the start-indexing-at-zero issue, when you think 
about it.  Yes, you will make the occasional off-by-one error at first.  You'll 
get over it.
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Debugging memory leaks

2013-06-15 Thread Chris Angelico
On Sat, Jun 15, 2013 at 4:52 PM, dieter die...@handshake.de wrote:
 Chris Angelico ros...@gmail.com writes:

 ...
 It's terrible advice in generality, because it encourages a sloppiness
 of thinking: Memory usage doesn't matter, we'll just instruct people
 to reset everything now and then.

 Memory usage may matter. But if you loose 1 kb a day, your process
 can run 3 years before you have lost 1 MB. Compare this to the
 485 MB used when you start firefox. The situation looks different
 when you loose 10 MB a day.

Right. Everything needs to be scaled. Everything needs to be in
perspective. Losing 1 kilobit per day is indeed trivial; even losing
one kilobyte per day, which is what I assume you meant :), isn't
significant. But it's not usually per day, it's per leaking action.
Suppose your web browser leaks 1024 usable bytes of RAM every HTTP
request. Do you know how much that'll waste per day? CAN you know?

ChrisA
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Newbie: The philosophy behind list indexes

2013-06-15 Thread Olive

On 15/06/13 07:21, ian.l.came...@gmail.com wrote:


I bet this is asked quite frequently, however after quite a few hours searching 
I haven't found an answer.

What is the thinking behind stopping 'one short' when slicing or iterating 
through lists?

By example;


a=[0,1,2,3,4,5,6]
a

[0, 1, 2, 3, 4, 5, 6]

a[2:5]

[2, 3, 4]

To my mind, it makes more sense to go to 5. I'm sure there's a good reason,
but I'm worried it will result in a lot of 'one-off' errors for me, so I need 
to get my head around the philosophy
of this behaviour, and where else it is observed (or not observed.)


I think it simplify some arithmetic. How many element contain a[2:5]? 
Answer 5-2=3. And a[:5] contain the first 5 elements.


Olive
--
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Denis McMahon
On Sat, 15 Jun 2013 10:04:41 +0300, Nick the Gr33k wrote:

 I called my self 'Ferrous Cranus'(this is what a guy from a forum
 initially called me for being hard-headed :-) ) because i'm indeed
 hardheaded and if i believe that 1 thing should have worked in some way
 i cant change my mind easily that it works in another fashon(only if the
 counter-arguments are strong).

Then you need to stop trying to write python code, because you refuse to 
accept how python works, and python is not going to change for you!

-- 
Denis McMahon, denismfmcma...@gmail.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Nick the Gr33k

On 14/6/2013 7:42 μμ, Nobody wrote:

Python implements these operators by returning the actual value which
determined the result of the expression rather than simply True or False.


which in turn the actual value being returned is a truthy or a falsey.

That cleared the mystery in my head entirely.
I wouldn't have asked so many follow-up questions in the thread if i 
received that kind of a response.


Thank you very much for this response.


If the result is known after evaluating the first argument, the first
argument is returned. If it has to evaluate the second argument, the
second argument is returned (by that point it has already forgotten
the value of the first argument).


So, the less it has to calculate to determine the correct result of an 
expression the better.


Thanks again very much.

--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 10:49 πμ, Denis McMahon wrote:

On Sat, 15 Jun 2013 10:04:41 +0300, Nick the Gr33k wrote:


I called my self 'Ferrous Cranus'(this is what a guy from a forum
initially called me for being hard-headed :-) ) because i'm indeed
hardheaded and if i believe that 1 thing should have worked in some way
i cant change my mind easily that it works in another fashon(only if the
counter-arguments are strong).


Then you need to stop trying to write python code, because you refuse to
accept how python works, and python is not going to change for you!


Given the right counter-arguments one can't make a stand against 
something that is without no doubt True.



--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 3:14 πμ, Cameron Simpson wrote:

On 14Jun2013 12:50, Nikos as SuperHost Support supp...@superhost.gr wrote:
| I started another thread because the last one was !@#$'ed up by
| irrelevant replies and was difficult to jeep track.
|
|  name=abcd
|  month=efgh
|  year=ijkl
|
|  print(name or month or year)
| abcd
|
| Can understand that, it takes the first string out of the 3 strings
| that has a truthy value.
|
|  print(k in (name and month and year))
| True
|
| No clue. since the expression in parenthesis returns 'abcd' how can
| 'k' contained within 'abcd' ?

Did you print the result of name and month and year? It is the
_last_ value (if true at all).  You used or in the first example
and and in the second.


okey, lets see it again:

 print (name or month or year)
abcd


Yes, 'k' isn't contained in the result string 'abcd'

 print (name and month and year)
hijk
 print( k in (name and month and year) )
True

Yes they work as expected, i was mistaken, sorry.




|  print(name and month and year)
| ijkl
|
| Seems here is returning the last string out of 3 strings, but have
| no clue why Python doing this.

To evaluate an and it must test all of them to be true, and it
keeps the last value tested.  (Or False, of course, if they are not
all true, in which case Python stops testing at the first False).


Yes, i know it behaves like that, the question is why:

As Nobody explained to me, the reason is that Python expressions 
results back the argument that determined the evaluation of the Boolean 
expression, which in turn can be a truthy or a falsey used in 'or' or 
'and' respectively.


Returning a truthy value equals True
returning a falsey value equals False

so it all boils down to the Booleans type of values True or False.



But for what you are doing, and and or are not good operations.

Something like:

   k in (name+month+year)

or

   k in name or k in month or k in year


Used to wrote it myself like the latter but needed a more compact way of 
writing it for clarity so i used the former.


but those 2 gives the same results back

k in (name+month+year) == k in (name and month and year)
True

so both seem to work as expected.
--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: A certainl part of an if() structure never gets executed.

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 8:27 πμ, Larry Hudson wrote:

On 06/14/2013 09:56 AM, Nick the Gr33k wrote:

On 14/6/2013 7:31 μμ, Steven D'Aprano wrote:

On Fri, 14 Jun 2013 16:07:56 +0300, Nick the Gr33k wrote:





Returning True is the same thing as returning a variable's truthy value?


NO!  'True' and 'False' are the two values of the boolean type.  The
'and' and 'or' logical operators do NOT return a boolean type of True or
False.


Indeed.

 print( name and month and year )
hijk
 print( bool( name and month and year ) )
True

 print( name or month or year )
abcd
print( bool( name or month or year ) )
True


Also they do NOT return a variable's truthy value, they return the
variable itself.


No, as seen from my above examples, what is returned after the expr eval 
are the actual variables' values, which in turn are truthy, *not* the 
variable itself.



Now, that returned variable can then be interpreted as
a boolean value for other operations in the same way that (virtually)
all data types can be interpreted as a boolean.  Let me emphasize...
they are INTERPRETED as having a boolean VALUE, but they are NOT a
boolean TYPE.


Yes the returned value of 'hijk' is being interpreted as bool('hijk'), 
which boils down as truthy.




--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the help-vampire

2013-06-15 Thread Ian Kelly
On Fri, Jun 14, 2013 at 6:09 AM, rusi rustompm...@gmail.com wrote:
 Since identifying a disease by the right name is key to finding a
 cure:
 Nikos is not trolling or spamming; he is help-vampiring.

I think he's a very dedicated troll elaborately disguised as a help
vampire.  Remember that one of the names he previously used to post to
this list was Ferrous Cranus.

http://redwing.hutman.net/~mreed/warriorshtm/ferouscranus.htm
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Zero Piraeus
:

On 14 June 2013 08:50, Nick the Gr33k supp...@superhost.gr wrote:

 So, if i had no interest of actually learning python i would just cut n'
 paste provided code without worrying what it actually does, since knowing
 that came form you would be enough to know that works.

Worrying what it actually does is good; an inquiring mind is a
prerequisite for becoming a good programmer.

Another prerequisite is discipline. That means the discipline to try
and work out for yourself what's going on, rather than repeatedly
spamming this list with trivial enquiries.

It also means the discipline to both read and type carefully: until
and unless you learn to take more care in how you express yourself,
both in code and in prose, you will be plagued by syntax errors and
frustrated responses respectively.

I have only skimmed it, but you might find the following tutorial helpful:

  http://learnpythonthehardway.org/

Many of the early exercises may seem too basic, and you'll be tempted
to skip them - given your conduct here, I imagine you'll be *strongly*
tempted to skip them. Don't. You need to learn discipline.

 -[]z.
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Robert Kern

On 2013-06-15 03:09, Cameron Simpson wrote:

On 15Jun2013 10:42, Ben Finney ben+pyt...@benfinney.id.au wrote:
| D'Arcy J.M. Cain da...@druid.net writes:
| Even for those who do participate by email, though, your approach is
| broken:
|  My answer is simple.  Get a proper email system that filters out
|  duplicates.
|
| The message sent to the individual typically arrives earlier (since it
| is sent straight from you to the individual), and the message on the
| forum arrives later (since it typically requires more processing).
|
| But since we're participating in the discussion on the forum and not in
| individual email, it is the later one we want, and the earlier one
| should be deleted.

They're the same message! (Delivered twice.) Replying to either is equivalent.
So broadly I don't care which gets deleted; it works regardless.

| So at the point the first message arrives, it isn't a duplicate. The
| mail program will show it anyway, because “remove duplicates” can't
| catch it when there's no duplicate yet.

But it can when the second one arrives. This is true regardless of
the delivery order.


Ben said that he doesn't use email for this list. Neither do I. We use one of 
the newsgroup mirrors. If you Cc us, we will get a reply on the newsgroup (where 
we want it) and a reply in our email (where we don't). The two systems cannot 
talk to each other to delete the other message.



| You do this by using your mail client's “reply to list” function, which
| uses the RFC 3696 information in every mailing list message.

No need, but a valid option.

| Is there any mail client which doesn't have this function? If so, use
| your vendor's bug reporting system to request this feature as standard,
| and/or switch to a better mail client until they fix that.

Sorry, I could have sworn you said you weren't using a mail client for this...


He's suggesting that *you* who are using a mail reader to use the reply to 
list functionality or request it if it is not present.


--
Robert Kern

I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth.
  -- Umberto Eco

--
http://mail.python.org/mailman/listinfo/python-list


Pattern Search Regular Expression

2013-06-15 Thread subhabangalore
Dear Group,

I am trying to search the following pattern in Python.

I have following strings:

 (i)In the ocean
 (ii)On the ocean
 (iii) By the ocean
 (iv) In this group
 (v) In this group
 (vi) By the new group
   .

I want to extract from the first word to the last word, 
where first word and last word are varying.

I am looking to extract out:
  (i) the
  (ii) the 
  (iii) the
  (iv) this
  (v) this
  (vi) the new
  .

The problem may be handled by converting the string to list and then 
index of list. 

But I am thinking if I can use regular expression in Python.

If any one of the esteemed members can help.

Thanking you in Advance,

Regards,
Subhabrata
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Memory usage steadily going up while pickling objects

2013-06-15 Thread Giorgos Tzampanakis
On 2013-06-15, Peter Otten wrote:

 Giorgos Tzampanakis wrote:

 I have a program that saves lots (about 800k) objects into a shelve
 database (I'm using sqlite3dbm for this since all the default python dbm
 packages seem to be unreliable and effectively unusable, but this is
 another discussion).
 
 The process takes about 10-15 minutes. During that time I see memory usage
 steadily rising, sometimes resulting in a MemoryError. Now, there is a
 chance that my code is keeping unneeded references to the stored objects,
 but I have debugged it thoroughly and haven't found any.
 
 So I'm beginning to suspect that the pickle module might be keeping an
 internal cache of objects being pickled. Is this true?

 Pickler/Unpickler objects use a cache to maintain object identity, but at 
 least shelve in the standard library uses a new Pickler/Unpickler for each 
 set/get operation. 

 I don't have sqlite3dbm, but you can try the following:

 import shelve
 class A: pass
 ... 
 a = A()
 s = shelve.open(tmp.shelve)
 s[x] = s[y] = a
 s[x] is s[y]
 False

This returns False in my case.

 If you are getting True there must be a cache. One way to enable a cache 
 yourself is writeback:

No, I haven't enabled writeback.


-- 
Real (i.e. statistical) tennis and snooker player rankings and ratings:
http://www.statsfair.com/ 
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Lele Gaifax
Nick the Gr33k supp...@superhost.gr writes:

 On 15/6/2013 3:14 πμ, Cameron Simpson wrote:
 But for what you are doing, and and or are not good operations.

 Something like:

k in (name+month+year)

 or

k in name or k in month or k in year

 Used to wrote it myself like the latter but needed a more compact way
 of writing it for clarity so i used the former.

 but those 2 gives the same results back

 k in (name+month+year) == k in (name and month and year)
 True

 so both seem to work as expected.

That happens only by chance: it seems you now understand the evaluation
of boolean expressions in Python, so the following should be clear to
you: 

 k in (there + is + a + k + character + somewhere)
True
 k in (there and is and a and k and character and somewhere)
False

ciao, lele.
-- 
nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri
real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia.
l...@metapensiero.it  | -- Fortunato Depero, 1929.

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Memory usage steadily going up while pickling objects

2013-06-15 Thread Giorgos Tzampanakis
On 2013-06-15, Dave Angel wrote:

 On 06/14/2013 07:04 PM, Giorgos Tzampanakis wrote:
 I have a program that saves lots (about 800k) objects into a shelve
 database (I'm using sqlite3dbm for this since all the default python dbm
 packages seem to be unreliable and effectively unusable, but this is
 another discussion).

 The process takes about 10-15 minutes. During that time I see memory usage
 steadily rising, sometimes resulting in a MemoryError. Now, there is a
 chance that my code is keeping unneeded references to the stored objects,
 but I have debugged it thoroughly and haven't found any.

 So I'm beginning to suspect that the pickle module might be keeping an
 internal cache of objects being pickled. Is this true?


 You can learn quite a bit by using the  sys.getrefcount() function.  If 
 you think a variable has only one reference (if it had none, it'd be 
 very hard to test), and you call sys.getrefcount(), you can check if 
 your assumption is right.

 Note that if the object is part of a complex object, there may be 
 several mutual references, so the count may be more than you expect. 
 But you can still check the count before and after calling the pickle 
 stuff, and see if it has increased.

 Note that even if it has not, that doesn't prove you don't have a problem.

 Could the problem be the sqlite stuff?  Can you disable that part of the 
 logic, and see whether just creating the data still produces the leak?

I tried both with the standard shelve and with sqlite3dbm and
sys.getrefcount() of the stored object (and any of the objects it
references) does not seem to go up after it's stored... I also tried
closing the shelve after storing each object and re-opening it right away
with the n flag (which instructs it to start with a new, empty database)
and the memory still rises with the same rate.

So it seems that the pickle module does keep some internal cache or
something like that. I don't want to resort to reading the pickle source
code, but it seems I will have to...

-- 
Real (i.e. statistical) tennis and snooker player rankings and ratings:
http://www.statsfair.com/ 
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: A certainl part of an if() structure never gets executed.

2013-06-15 Thread Lele Gaifax
Nick the Gr33k supp...@superhost.gr writes:

 On 15/6/2013 8:27 πμ, Larry Hudson wrote:
 Also they do NOT return a variable's truthy value, they return the
 variable itself.

 No, as seen from my above examples, what is returned after the expr
 eval are the actual variables' values, which in turn are truthy, *not*
 the variable itself.

In the context we are talking about, the variable itself has the very
same meaning as the actual variable value:

 mylist = ['foo']
 emptylist = []
 result = emptylist or mylist
 result.append('bar')
 result is mylist
True
 print(mylist)
['foo', 'bar']

ciao, lele.
-- 
nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri
real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia.
l...@metapensiero.it  | -- Fortunato Depero, 1929.

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 02:42:55 -0700, subhabangalore wrote:

 Dear Group,
 
 I am trying to search the following pattern in Python.
 
 I have following strings:
 
  (i)In the ocean
  (ii)On the ocean
  (iii) By the ocean
  (iv) In this group
  (v) In this group
  (vi) By the new group
.
 
 I want to extract from the first word to the last word, where first word
 and last word are varying.
 
 I am looking to extract out:
   (i) the
   (ii) the
   (iii) the
   (iv) this
   (v) this
   (vi) the new
   .
 
 The problem may be handled by converting the string to list and then
 index of list.

No need for a regular expression.


py sentence = By the new group
py words = sentence.split()
py words[1:-1]
['the', 'new']

Does that help?



-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Memory usage steadily going up while pickling objects

2013-06-15 Thread Peter Otten
Giorgos Tzampanakis wrote:

 So it seems that the pickle module does keep some internal cache or
 something like that. 

I don't think there's a global cache. The Pickler/Unpickler has a per-
instance cache (the memo dict) that you can clear with the clear_memo() 
method, but that doesn't matter here.

 I don't want to resort to reading the pickle source
 code, but it seems I will have to...
 
I'd look somewhere else...

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Mark Lawrence

On 15/06/2013 10:42, subhabangal...@gmail.com wrote:

Dear Group,

I am trying to search the following pattern in Python.

I have following strings:

  (i)In the ocean
  (ii)On the ocean
  (iii) By the ocean
  (iv) In this group
  (v) In this group
  (vi) By the new group
.

I want to extract from the first word to the last word,
where first word and last word are varying.

I am looking to extract out:
   (i) the
   (ii) the
   (iii) the
   (iv) this
   (v) this
   (vi) the new
   .

The problem may be handled by converting the string to list and then
index of list.

But I am thinking if I can use regular expression in Python.

If any one of the esteemed members can help.

Thanking you in Advance,

Regards,
Subhabrata



I tend to reach for string methods rather than an RE so will something 
like this suit you?


c:\Users\Mark\MyPythontype a.py
for s in (In the ocean,
  On the ocean,
  By the ocean,
  In this group,
  In this group,
  By the new group):
print(' '.join(s.split()[1:-1]))


c:\Users\Mark\MyPythona
the
the
the
this
this
the new

--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Denis McMahon
On Sat, 15 Jun 2013 10:05:01 +, Steven D'Aprano wrote:

 On Sat, 15 Jun 2013 02:42:55 -0700, subhabangalore wrote:
 
 Dear Group,
 
 I am trying to search the following pattern in Python.
 
 I have following strings:
 
  (i)In the ocean (ii)On the ocean (iii) By the ocean (iv) In
  this group (v) In this group (vi) By the new group
.
 
 I want to extract from the first word to the last word, where first
 word and last word are varying.
 
 I am looking to extract out:
   (i) the (ii) the (iii) the (iv) this (v) this (vi) the new
   .
 
 The problem may be handled by converting the string to list and then
 index of list.
 
 No need for a regular expression.
 
 py sentence = By the new group
 py words = sentence.split()
 py words[1:-1]
 ['the', 'new']
 
 Does that help?

I thought OP wanted:

words[words[0],words[-1]]

But that might be just my caffeine deprived misinterpretation of his 
terminology.

-- 
Denis McMahon, denismfmcma...@gmail.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Mark Lawrence

On 15/06/2013 11:24, Denis McMahon wrote:

On Sat, 15 Jun 2013 10:05:01 +, Steven D'Aprano wrote:


On Sat, 15 Jun 2013 02:42:55 -0700, subhabangalore wrote:


Dear Group,

I am trying to search the following pattern in Python.

I have following strings:

  (i)In the ocean (ii)On the ocean (iii) By the ocean (iv) In
  this group (v) In this group (vi) By the new group
.

I want to extract from the first word to the last word, where first
word and last word are varying.

I am looking to extract out:
   (i) the (ii) the (iii) the (iv) this (v) this (vi) the new
   .

The problem may be handled by converting the string to list and then
index of list.


No need for a regular expression.

py sentence = By the new group
py words = sentence.split()
py words[1:-1]
['the', 'new']

Does that help?


I thought OP wanted:

words[words[0],words[-1]]

But that might be just my caffeine deprived misinterpretation of his
terminology.



 sentence = By the new group
 words = sentence.split()
 words[words[0],words[-1]]
Traceback (most recent call last):
  File stdin, line 1, in module
TypeError: list indices must be integers, not tuple

So why would the OP want a TypeError?  Or has caffeine deprivation 
affected your typing skills? :)


--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: Memory usage steadily going up while pickling objects

2013-06-15 Thread Giorgos Tzampanakis
On 2013-06-15, Peter Otten wrote:

 Giorgos Tzampanakis wrote:

 So it seems that the pickle module does keep some internal cache or
 something like that. 

 I don't think there's a global cache. The Pickler/Unpickler has a per-
 instance cache (the memo dict) that you can clear with the clear_memo() 
 method, but that doesn't matter here.

 I don't want to resort to reading the pickle source
 code, but it seems I will have to...
  
 I'd look somewhere else...


Indeed. The problem was in my code after all. Still, thanks to all for the
memory debugging tips!


-- 
Real (i.e. statistical) tennis and snooker player rankings and ratings:
http://www.statsfair.com/ 
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Debugging memory leaks

2013-06-15 Thread Ben Finney
rusi rustompm...@gmail.com writes:

 On Jun 15, 5:16 am, Ben Finney ben+pyt...@benfinney.id.au wrote:
  Is a web browser a “typical desktop app”? A filesystem browser? An
  instant messenger? A file transfer application? A podcatcher? All of
  those typically run for months at a time on my desktop.
 
  Any memory leak in any of those is going to cause trouble, please
  hunt them all down with fire and exterminate with prejudice.

 Oh well -- I guess I am an old geezer who shuts my machine when I am
 done!

As do I. And when I power on the machine, it resumes exactly where it
left off: with the exact same contents of memory as when I pressed the
Suspend button.

That is, the memory leak will continue to accumulate as the run time of
the process continues.

 Yeah I know -- not so good for the disk though its good for the
 planet!

You can have both: a continuous session, and stop consuming power while
not using your machine.

-- 
 \ “It is far better to grasp the universe as it really is than to |
  `\persist in delusion, however satisfying and reassuring.” —Carl |
_o__)Sagan |
Ben Finney

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Ben Finney
Cameron Simpson c...@zip.com.au writes:

 On 15Jun2013 10:42, Ben Finney ben+pyt...@benfinney.id.au wrote:
 | The message sent to the individual typically arrives earlier (since
 | it is sent straight from you to the individual), and the message on
 | the forum arrives later (since it typically requires more
 | processing).
 | 
 | But since we're participating in the discussion on the forum and not
 | in individual email, it is the later one we want, and the earlier
 | one should be deleted.

 They're the same message! (Delivered twice.) Replying to either is
 equivalent.

Wrong. They have the same Message-Id, but one of them is delivered via
the mailing list, and has the correct RFC 3696 fields in the header to
continue the discussion there.

The one delivered individually is the one to discard, since it was not
delivered via the mailing list.

 Bah. Plenty of us like both. In the inbox alerts me that someone
 replied to _my_ post, and in the python mail gets it nicely threaded.

Your mail client doesn't alert you to a message addressed to you?

 Sorry, I could have sworn you said you weren't using a mail client for
 this...

As I already said, this is demonstrating the fact that “reply to all” is
broken even for the use case of participating via email.

-- 
 \  “Software patents provide one more means of controlling access |
  `\  to information. They are the tool of choice for the internet |
_o__) highwayman.” —Anthony Taylor |
Ben Finney

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread rusi
On Jun 15, 3:55 pm, Mark Lawrence breamore...@yahoo.co.uk wrote:
 On 15/06/2013 11:24, Denis McMahon wrote:









  On Sat, 15 Jun 2013 10:05:01 +, Steven D'Aprano wrote:

  On Sat, 15 Jun 2013 02:42:55 -0700, subhabangalore wrote:

  Dear Group,

  I am trying to search the following pattern in Python.

  I have following strings:

    (i)In the ocean (ii)On the ocean (iii) By the ocean (iv) In
    this group (v) In this group (vi) By the new group
          .

  I want to extract from the first word to the last word, where first
  word and last word are varying.

  I am looking to extract out:
     (i) the (ii) the (iii) the (iv) this (v) this (vi) the new
         .

  The problem may be handled by converting the string to list and then
  index of list.

  No need for a regular expression.

  py sentence = By the new group
  py words = sentence.split()
  py words[1:-1]
  ['the', 'new']

  Does that help?

  I thought OP wanted:

  words[words[0],words[-1]]

  But that might be just my caffeine deprived misinterpretation of his
  terminology.

   sentence = By the new group
   words = sentence.split()
   words[words[0],words[-1]]
 Traceback (most recent call last):
    File stdin, line 1, in module
 TypeError: list indices must be integers, not tuple

 So why would the OP want a TypeError?  Or has caffeine deprivation
 affected your typing skills? :)

:-)

I guess Denis meant (words[0], words[-1])

To the OP:
You have the identity:
words == [words[0]] + words[1:-1] + [words[-1]]

So take your pick of what parts of the expression you want (and
discard what you dont want).
[The way you've used 'extract' is a bit ambiguous]
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Debugging memory leaks

2013-06-15 Thread rusi
On Jun 15, 4:23 pm, Ben Finney ben+pyt...@benfinney.id.au wrote:
 rusi rustompm...@gmail.com writes:
  On Jun 15, 5:16 am, Ben Finney ben+pyt...@benfinney.id.au wrote:
   Is a web browser a “typical desktop app”? A filesystem browser? An
   instant messenger? A file transfer application? A podcatcher? All of
   those typically run for months at a time on my desktop.

   Any memory leak in any of those is going to cause trouble, please
   hunt them all down with fire and exterminate with prejudice.

  Oh well -- I guess I am an old geezer who shuts my machine when I am
  done!

 As do I. And when I power on the machine, it resumes exactly where it
 left off: with the exact same contents of memory as when I pressed the
 Suspend button.

 That is, the memory leak will continue to accumulate as the run time of
 the process continues.

  Yeah I know -- not so good for the disk though its good for the
  planet!

 You can have both: a continuous session, and stop consuming power while
 not using your machine.

Suspend is low-power, hibernate is 0-power
http://www.unixmen.com/suspend-vs-hibernate-in-linux-what-is-the-difference/

And I keep having some issues with hibernate
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Debugging memory leaks

2013-06-15 Thread Chris Angelico
On Sat, Jun 15, 2013 at 9:35 PM, rusi rustompm...@gmail.com wrote:
 On Jun 15, 4:23 pm, Ben Finney ben+pyt...@benfinney.id.au wrote:
 rusi rustompm...@gmail.com writes:
  On Jun 15, 5:16 am, Ben Finney ben+pyt...@benfinney.id.au wrote:
   Is a web browser a “typical desktop app”? A filesystem browser? An
   instant messenger? A file transfer application? A podcatcher? All of
   those typically run for months at a time on my desktop.

   Any memory leak in any of those is going to cause trouble, please
   hunt them all down with fire and exterminate with prejudice.

  Oh well -- I guess I am an old geezer who shuts my machine when I am
  done!

 As do I. And when I power on the machine, it resumes exactly where it
 left off: with the exact same contents of memory as when I pressed the
 Suspend button.
 Suspend is low-power, hibernate is 0-power
 http://www.unixmen.com/suspend-vs-hibernate-in-linux-what-is-the-difference/

 And I keep having some issues with hibernate

You can configure the Suspend button to hibernate the computer. Though
my personal preference, when hibernating a computer, is to trigger it
directly from software. Anyway, same difference; shut down a computer
without shutting down a process. I do the same with several of my VMs
- when I'm done with them, Save Machine State. (Except the one for
Magic: The Gathering Online. For some reason MTGO has problems if I
don't actually reboot it periodically, so that one I just shut down.)

ChrisA
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread D'Arcy J.M. Cain
On Sat, 15 Jun 2013 21:29:35 +1000
Ben Finney ben+pyt...@benfinney.id.au wrote:
  Bah. Plenty of us like both. In the inbox alerts me that someone
  replied to _my_ post, and in the python mail gets it nicely
  threaded.
 
 Your mail client doesn't alert you to a message addressed to you?

Every message in my mailbox is addressed to me otherwise I wouldn't
get it.  Do you mean the To: line?  Which address?  I have about a
dozen addresses not counting the plus sign addresses like the one you
use for this list. Which one should I treat as special?

  Sorry, I could have sworn you said you weren't using a mail client
  for this...
 
 As I already said, this is demonstrating the fact that “reply to all”
 is broken even for the use case of participating via email.

As the person who proposed this I would like to point out that I never
suggested reply to all”.  I suggested including the poster that you
are replying to.

-- 
D'Arcy J.M. Cain da...@druid.net |  Democracy is three wolves
http://www.druid.net/darcy/|  and a sheep voting on
+1 416 788 2246 (DoD#0082)(eNTP)   |  what's for dinner.
IM: da...@vex.net, VOIP: sip:da...@vex.net
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: problem uploading docs to pypi

2013-06-15 Thread Irmen de Jong
On 15-6-2013 2:23, MRAB wrote:
 About 10 ten days ago I got the error:
 
  Upload failed (503): backend write error
 
 while trying to upload to PyPI, and it failed the same way the second time, 
 but worked some
 time later.

You're right. I tried it again just now and it succeeded this time.

Cheers
Irmen

-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Future standard GUI library

2013-06-15 Thread Wolfgang Keller
 Okay... how long does a round-trip cost?

With a protocol that wasn't made for the purpose (such as HTTP) and all
that HTML to render (not to mention javascript that's required for
even the most trivial issues) - way too long.

 Considering that usability guidelines generally permit ~100ms for
 direct interaction, 

That's generous.

A proficient user with a responsive application can easily outpace that.

100ms is definitely a noticeable lag. Even I feel that and I don't use
touch-typing to use the GUI. 50ms might not be noticeable, but I don't
have the skills myself to test that.

 (Magento, a PHP-based online shopping cart system, took the better
 part of a second - something in the order of 700-800ms
 - to add a single item. And that on reasonable hardware, not a
 dedicated server but my test box was certainly not trash.)

That's not a question of hardware. Just like with MS (Not Responding).
 
 That's the entire round-trip cost. The queries from Sikorsky to
 Yosemite involve three computers (the client, the server, and the file
 server), and is completed in under 30 milliseconds. 

I am talking about applications that actually do something. In my case,
database applications. A PostgreSQL transaction is supposed to take at
most 25ms to complete (anything above is generally considered an issue
that needs to be solved, such as bad SQL), *server-side*. That leaves
you another 25ms for the entire network protocol (the pgsql protocol,
whatever it is, was designed for the purpose, unlike HTTP) *and* the
client-side application logic, including the GUI rendering.

Qt is already quite sluggish sometimes, don't know why. GTK and
wxPython feel swifter, at least on an actual *operating* system. MS
(Not Responding) is definitely incapable to allow applications anything
remotely close to responsiveness. Minute-long lockups with frozen
cursor are normal.

 That still gives you 70 milliseconds to render the page to the user,

Forget that.

25ms for client-server (pgsql) network protocol, client-side
application logic *and* GUI.

With a web application that would have to include application
server-side application logic, *and* generation of HTML (and
javascript), *and* HTTP protocol *and* HTML rendering *and*
client-side javascript.

Won't work.

Sincerely,

Wolfgang
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: A certainl part of an if() structure never gets executed.

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 12:54 μμ, Lele Gaifax wrote:

Nick the Gr33k supp...@superhost.gr writes:


On 15/6/2013 8:27 πμ, Larry Hudson wrote:

Also they do NOT return a variable's truthy value, they return the
variable itself.


No, as seen from my above examples, what is returned after the expr
eval are the actual variables' values, which in turn are truthy, *not*
the variable itself.


In the context we are talking about, the variable itself has the very
same meaning as the actual variable value:


Are there cases that a variable and the variable's value cosidered to be 
2 different things?



mylist = ['foo']
emptylist = []
result = emptylist or mylist


result = mylist (since its a no-emoty list)


result.append('bar')
result is mylist

True


Never seen the last statement before. What does that mean?
result is mylist 


--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 12:48 μμ, Lele Gaifax wrote:

Nick the Gr33k supp...@superhost.gr writes:



but those 2 gives the same results back

k in (name+month+year) == k in (name and month and year)
True

so both seem to work as expected.


That happens only by chance: it seems you now understand the evaluation
of boolean expressions in Python, so the following should be clear to
you:


k in (there + is + a + k + character + somewhere)

True


ALL strings in the parenthesis are being concatenated to a BIG string, 
like ('k' in BIG_string) which returns the Boolean value of True since 
'k' is contained within it.



k in (there and is and a and k and character and somewhere)

False


first the expression of the parenthesis evaluation.

The argument being returned from (there and is and a and k and 
character and somewhere) expresssion, is the one that is responsible 
for the determination of the expression's evaluation.

That would be the last argument, string somewhere because:

1. All previous strings before the last one were found truthies, so it 
was turn of the last one to be evaled too.


2. Since somewhere is a truthy of course for being a non-empty string 
then ALL arguments of the expression are found TRUE which results for 
the expression to stand TRUE.


3. What determined the expression to stand TRUE was the evaluation of 
the last argument somewhere, so the latter was the key factor for that 
to happen, hence its being returned back as a result(thats how Python works)


4. so it's like checking if ('k' in somewhere) which return the 
Boolean value of False since the aforementioned char isn't contained in 
the aforementioned string.


--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Future standard GUI library

2013-06-15 Thread Chris Angelico
On Sat, Jun 15, 2013 at 10:25 PM, Wolfgang Keller felip...@gmx.net wrote:
 Okay... how long does a round-trip cost?

 With a protocol that wasn't made for the purpose (such as HTTP) and all
 that HTML to render (not to mention javascript that's required for
 even the most trivial issues) - way too long.

You keep saying this. I have yet to see actual timings from you.

 Considering that usability guidelines generally permit ~100ms for
 direct interaction,

 100ms is definitely a noticeable lag. Even I feel that and I don't use
 touch-typing to use the GUI. 50ms might not be noticeable, but I don't
 have the skills myself to test that.

Okay, so let's talk 50ms then. We can handle this.

 That's the entire round-trip cost. The queries from Sikorsky to
 Yosemite involve three computers (the client, the server, and the file
 server), and is completed in under 30 milliseconds.

 I am talking about applications that actually do something. In my case,
 database applications. A PostgreSQL transaction is supposed to take at
 most 25ms to complete (anything above is generally considered an issue
 that needs to be solved, such as bad SQL), *server-side*. That leaves
 you another 25ms for the entire network protocol (the pgsql protocol,
 whatever it is, was designed for the purpose, unlike HTTP) *and* the
 client-side application logic, including the GUI rendering.

No problem. Again taking *actual real figures*, I got roughly 35-40tps
in PostgreSQL across a LAN. That's around about the 25ms figure you're
working with, so let's use that as a baseline. My benchmark was
actually a durability test from work, which was done on two laptops on
a gigabit LAN, with the database server brutally powered down in the
middle of the test. Each transaction updates a minimum of two rows in
a minimum of one table (transaction content is randomized some). So
that's 25ms for the database, leaving us 25ms for the rest.

 25ms for client-server (pgsql) network protocol, client-side
 application logic *and* GUI.

 With a web application that would have to include application
 server-side application logic, *and* generation of HTML (and
 javascript), *and* HTTP protocol *and* HTML rendering *and*
 client-side javascript.

 Won't work.

I've demonstrated already that with basic hardware and a simple Python
HTTP server, network, application logic, and generation of HTML, all
take a total of 8ms. That leaves 17ms for rendering HTML. Now, getting
figures for the rendering of HTML is not easy; I've just spent fifteen
minutes researching on Google and playing with the Firebug-like
feature of Chrome, and haven't come up with an answer; so it may well
be that 17ms isn't enough for a full page load. However, I would say
that the matter is sufficiently borderline (bearing in mind that you
can always use a tiny bit of JS and a DOM change) that it cannot be
called as Won't work; it's what Mythbusters would dub Plausible.

Of course, if you're trying to support MS IE, there's no way you'll
guarantee 50ms response time. This is all predicated on having at
least reasonably decent hardware and software. But using either the
100ms figure from common usability guidelines [1] [2] [3] or your more
stringent 50ms requirement [4], it's certainly entirely possible to
achieve immediate response using AJAX.

I've worked with real figures, hard numbers. You keep coming back with
vague FUD that it won't work. Where are your numbers? And like Sir
Ruthven Murgatroyd, I fail to see how you can call this impossible in
the face of the fact that I have done it.

ChrisA

[1] http://www.nngroup.com/articles/response-times-3-important-limits/
[2] 
http://usabilitygeek.com/14-guidelines-for-web-site-tabs-usability/#attachment_719
[3] http://calendar.perfplanet.com/2011/how-response-times-impact-business/
[4] Can you provide a link to any study anywhere that recommends 50ms?
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Eval of expr with 'or' and 'and' within

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 12:48 μμ, Lele Gaifax wrote:

but those 2 gives the same results back

k in (name+month+year) == k in (name and month and year)
True

so both seem to work as expected.

That happens only by chance: it seems you now understand the evaluation
of boolean expressions in Python, so the following should be clear to
you:


yes indeed!

if we had questioned python for: k in (name and year and month)

that would have returned the argument month back which is efgh and 
then the if would have evaled to false since 'k' isn't part of the latter.


k in (name and month and year) != k in (name and year and month)

As wee see, the order of the arguments in an expression matters.

--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Denis McMahon
On Sat, 15 Jun 2013 11:55:34 +0100, Mark Lawrence wrote:

   sentence = By the new group
   words = sentence.split() 
   words[words[0],words[-1]]
 Traceback (most recent call last):
File stdin, line 1, in module
 TypeError: list indices must be integers, not tuple
 
 So why would the OP want a TypeError?  Or has caffeine deprivation
 affected your typing skills? :)

Yeah - that last:

words[words[0],words[-1]]

should probably have been:

first_and_last = [words[0], words[-1]]

or even:

first_and_last = (words[0], words[-1])

Or even:

first_and_last = [sentence.split()[i] for i in (0, -1)]
middle = sentence.split()[1:-2]

-- 
Denis McMahon, denismfmcma...@gmail.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Denis McMahon
On Sat, 15 Jun 2013 13:41:21 +, Denis McMahon wrote:

 first_and_last = [sentence.split()[i] for i in (0, -1)] middle =
 sentence.split()[1:-2]

Bugger! That last is actually:

sentence.split()[1:-1]

It just looks like a two.

-- 
Denis McMahon, denismfmcma...@gmail.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Version Control Software

2013-06-15 Thread Roy Smith
In article mailman.3359.1371275633.3114.python-l...@python.org,
 Chris Angelico ros...@gmail.com wrote:

 On Sat, Jun 15, 2013 at 3:39 PM, Tim Delaney
 timothy.c.dela...@gmail.com wrote:
  I can absolutely confirm how much ClearCase slows things down. I completely
  refused to use dynamic views for several reasons - #1 being that if you lost
  your network connection you couldn't work at all...
 
 And that right there is why modern source control systems are
 distributed, not centralized. It's so much easier with git; we lost
 our central hub at one point, and another dev and I simply pulled from
 each other for a bit until we got a new Scaphio online. With
 centralized version control, that would have basically meant a
 complete outage until the new box was up.
 
 ChrisA

The advantage of DVCS is that everybody has a full copy of the repo.  
The disadvantage of the DVCS is that every MUST have a full copy of the 
repo.  When a repo gets big, you may not want to pull all of that data 
just to get the subtree you need.
-- 
http://mail.python.org/mailman/listinfo/python-list


Potential Python 3.3.2 pyvenv bug on Windows

2013-06-15 Thread peter
I've recently hit an issue with pyvenv that is causing AttributeErrors in other 
packages on Windows (see 
https://groups.google.com/forum/?fromgroups#!topic/pylons-discuss/FpOSMDpdvy4). 
 Here's what I believe is going on:

On Windows, the pyvenv pydoc script has a .py extension - so import finds it 
instead of the system's pydoc module.  On Linux, the pyvenv pydoc script 
doesn't have an extension - so import finds the system's pydoc module.

I believe the Windows pyvenv pydoc.py script should be renamed to pydocs.py.

Has anyone else hit this issue?

Peter
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Mark Lawrence

On 15/06/2013 14:45, Denis McMahon wrote:

On Sat, 15 Jun 2013 13:41:21 +, Denis McMahon wrote:


first_and_last = [sentence.split()[i] for i in (0, -1)] middle =
sentence.split()[1:-2]


Bugger! That last is actually:

sentence.split()[1:-1]

It just looks like a two.



I've a very strong sense of deja vu having round the same loop what, two 
hours ago?  Wondering out aloud the number of times a programmer has 
thought That's easy, I don't need to test it.  How are the mighty fallen.


--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: Potential Python 3.3.2 pyvenv bug on Windows

2013-06-15 Thread Fábio Santos
On Sat, Jun 15, 2013 at 3:17 PM,  pe...@psantoro.net wrote:
 I've recently hit an issue with pyvenv that is causing AttributeErrors in 
 other packages on Windows (see 
 https://groups.google.com/forum/?fromgroups#!topic/pylons-discuss/FpOSMDpdvy4).
   Here's what I believe is going on:

 On Windows, the pyvenv pydoc script has a .py extension - so import finds it 
 instead of the system's pydoc module.  On Linux, the pyvenv pydoc script 
 doesn't have an extension - so import finds the system's pydoc module.

 I believe the Windows pyvenv pydoc.py script should be renamed to pydocs.py.

 Has anyone else hit this issue?

 Peter
 --
 http://mail.python.org/mailman/listinfo/python-list

Don't think that's so good of a fix. Following documentation for
open-source software is already hard enough on windows, people will
not be able to use pydoc.py because it was renamed.

It would be slightly better to use pydoc.bat (which could then call
pydocs.py), but even so it would be pretty bad.

--
Fábio Santos
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread subhabangalore
On Saturday, June 15, 2013 7:58:44 PM UTC+5:30, Mark Lawrence wrote:
 On 15/06/2013 14:45, Denis McMahon wrote:
 
  On Sat, 15 Jun 2013 13:41:21 +, Denis McMahon wrote:
 
 
 
  first_and_last = [sentence.split()[i] for i in (0, -1)] middle =
 
  sentence.split()[1:-2]
 
 
 
  Bugger! That last is actually:
 
 
 
  sentence.split()[1:-1]
 
 
 
  It just looks like a two.
 
 
 
 
 
 I've a very strong sense of deja vu having round the same loop what, two 
 
 hours ago?  Wondering out aloud the number of times a programmer has 
 
 thought That's easy, I don't need to test it.  How are the mighty fallen.
 
 
 
 -- 
 
 Steve is going for the pink ball - and for those of you who are 
 
 watching in black and white, the pink is next to the green. Snooker 
 
 commentator 'Whispering' Ted Lowe.
 
 
 
 Mark Lawrence

Dear Group,

I know this solution but I want to have Regular Expression option. Just 
learning.

Regards,
Subhabrata. 
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Grant Edwards
On 2013-06-15, Denis McMahon denismfmcma...@gmail.com wrote:
 On Fri, 14 Jun 2013 16:58:20 +0300, Nick the Gr33k wrote:

 On 14/6/2013 1:14 , Cameron Simpson wrote:
 Normally a character in a b'...' item represents the byte value
 matching the character's Unicode ordinal value.

 The only thing that i didn't understood is this line.
 First please tell me what is a byte value

 Seriously? You don't understand the term byte? And you're the support 
 desk for a webhosting company?

Well, we haven't had this thread for a week or so...

There is some ambiguity in the term byte.  It used to mean the
smallest addressable unit of memory (which varied in the past -- at
one point, both 20 and 60 bit bytes were common).  These days the
smallest addressable unit of memory is almost always 8 bits on desktop
and embedded processors (but often not on DSPs).  That's why when IEEE
stadards want to refer to an 8-bit chunk of data they use the term
octet.

:)


-- 
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 5:44 μμ, Grant Edwards wrote:


There is some ambiguity in the term byte.  It used to mean the
smallest addressable unit of memory (which varied in the past -- at
one point, both 20 and 60 bit bytes were common).  These days the
smallest addressable unit of memory is almost always 8 bits on desktop
and embedded processors (but often not on DSPs).  That's why when IEEE
stadards want to refer to an 8-bit chunk of data they use the term
octet.


What the difference between a byte and a byte's value?


--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Roy Smith
In article kphul7$74q$1...@reader1.panix.com,
 Grant Edwards invalid@invalid.invalid wrote:

 There is some ambiguity in the term byte.  It used to mean the
 smallest addressable unit of memory (which varied in the past -- at
 one point, both 20 and 60 bit bytes were common).

I would have defined it more like, some arbitrary collection of 
adjacent bits which hold some useful value.  Doesn't need to be 
addressable, nor does it need to be the smallest such thing.

For example, on the pdp-10 (36 bit word), it was common to treat a word 
as either four 9-bit bytes, or five 7-bit bytes (with one bit left 
over), depending on what you were doing.  And, of course, a nybble was 
something smaller than a byte!

And, yes, especially in networking, everybody talks about octets when 
they want to make sure people understand what they mean.
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Andreas Perstinger
subhabangal...@gmail.com wrote:
I know this solution but I want to have Regular Expression option.
Just learning.

http://mattgemmell.com/2008/12/08/what-have-you-tried/

Just spell out what you want:
A word at the beginning, followed by any text, followed by a word at
the end.
Now look up the basic regex metacharacters and try to come up with a
solution (Hint: you will need groups)

http://docs.python.org/3/howto/regex.html#regex-howto
http://docs.python.org/3/library/re.html#regular-expression-syntax

Bye, Andreas
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Mark Lawrence

On 15/06/2013 15:31, subhabangal...@gmail.com wrote:


Dear Group,

I know this solution but I want to have Regular Expression option. Just 
learning.

Regards,
Subhabrata.



Start here http://docs.python.org/2/library/re.html

Would you also please read and action this, 
http://wiki.python.org/moin/GoogleGroupsPython , thanks.


--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 5:59 μμ, Roy Smith wrote:


And, yes, especially in networking, everybody talks about octets when
they want to make sure people understand what they mean.


1 byte = 8 bits

in networking though since we do not use encoding schemes with variable 
lengths like utf-8 is, how do we separate when a byte value start and 
when it stops?


do we need a start bit and a stop bit for that?



--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 17:49:13 +0300, Nick the Gr33k wrote:

 What the difference between a byte and a byte's value?

Nothing.


-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Version Control Software

2013-06-15 Thread Giorgos Tzampanakis
On 2013-06-15, Roy Smith wrote:

 And that right there is why modern source control systems are
 distributed, not centralized. It's so much easier with git; we lost
 our central hub at one point, and another dev and I simply pulled from
 each other for a bit until we got a new Scaphio online. With
 centralized version control, that would have basically meant a
 complete outage until the new box was up.
 
 ChrisA

 The advantage of DVCS is that everybody has a full copy of the repo.  
 The disadvantage of the DVCS is that every MUST have a full copy of the 
 repo.  When a repo gets big, you may not want to pull all of that data 
 just to get the subtree you need.

Also, is working without connection to the server such big an issue? One
would expect that losing access to the central server would indicate
significant problems that would impact development anyway.

-- 
Real (i.e. statistical) tennis and snooker player rankings and ratings:
http://www.statsfair.com/ 
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Joel Goldstick
On Sat, Jun 15, 2013 at 11:14 AM, Nick the Gr33k supp...@superhost.grwrote:

 On 15/6/2013 5:59 μμ, Roy Smith wrote:

  And, yes, especially in networking, everybody talks about octets when
 they want to make sure people understand what they mean.


 1 byte = 8 bits

 in networking though since we do not use encoding schemes with variable
 lengths like utf-8 is, how do we separate when a byte value start and when
 it stops?

 do we need a start bit and a stop bit for that?



 And this is specific to python how?





 --
 What is now proved was at first only imagined!
 --
 http://mail.python.org/**mailman/listinfo/python-listhttp://mail.python.org/mailman/listinfo/python-list




-- 
Joel Goldstick
http://joelgoldstick.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 07:58:27 -0400, D'Arcy J.M. Cain wrote:

 I suggested including the poster that you are replying to.

In the name of all that's good and decent in the world, why on earth 
would you do that when replying to a mailing list??? They're already 
getting a reply. Sending them TWO identical replies is just rude.


-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: A certainl part of an if() structure never gets executed.

2013-06-15 Thread Michael Torrie
On 06/15/2013 07:07 AM, Nick the Gr33k wrote:
 result = mylist (since its a no-emoty list)
 
 result.append('bar')
 result is mylist
 True
 
 Never seen the last statement before. What does that mean?
 result is mylist 

Yes.  Surprisingling good question.

http://docs.python.org/3.3/reference/expressions.html#is
http://docs.python.org/3/reference/datamodel.html

One thing that you may find interesting is that what we often call
variables in Python, and which from your code's point of view look and
act like variables are in fact names.  Whereas in C, assignment can be
thought of as copy (a = b in C means that b's value is copied to a), in
Python assignment is associating a name with an object.  Thus a = b in
Python means that now the names a and b both are bound (reference to)
the same object.  That's why the is operator is there, to help one
know if two names point to the same object.

I bring this up on the list from time to time because I find it really
interesting and intellectually appealing the way Python works.  Hearkens
back to my class at uni on programming language theory.


-- 
http://mail.python.org/mailman/listinfo/python-list


Scripting Calligra Sheets with Python

2013-06-15 Thread Jim Byrnes
I've read all the docs I can find and worked through a lot of examples 
but I can't figure out how to shift the focus from one cell to another.


Could someone point me to the command or an example of how to do this?

Thanks,  Jim

--
http://mail.python.org/mailman/listinfo/python-list


Re: A certainl part of an if() structure never gets executed.

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 6:53 μμ, Michael Torrie wrote:

On 06/15/2013 07:07 AM, Nick the Gr33k wrote:

result = mylist (since its a no-emoty list)


result.append('bar')
result is mylist

True


Never seen the last statement before. What does that mean?
result is mylist 


Yes.  Surprisingling good question.

http://docs.python.org/3.3/reference/expressions.html#is
http://docs.python.org/3/reference/datamodel.html

One thing that you may find interesting is that what we often call
variables in Python, and which from your code's point of view look and
act like variables are in fact names.  Whereas in C, assignment can be
thought of as copy (a = b in C means that b's value is copied to a), in
Python assignment is associating a name with an object.  Thus a = b in
Python means that now the names a and b both are bound (reference to)
the same object.  That's why the is operator is there, to help one
know if two names point to the same object.

I bring this up on the list from time to time because I find it really
interesting and intellectually appealing the way Python works.  Hearkens
back to my class at uni on programming language theory.




(a = b in C means that b's value is copied to a)

in C:

a = memory chunk able to hold some specific type's value
b = memory chunk able to hold some specific type's value

a = b means

So we have 2 memory units hod, the same value.

in Python:

a and b you say are names, which still are memory chunks

In both situations we still have 2 memory units holding values, so hows 
that different?


--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread subhabangalore
On Saturday, June 15, 2013 8:34:59 PM UTC+5:30, Mark Lawrence wrote:
 On 15/06/2013 15:31, subhabangal...@gmail.com wrote:
 
 
 
  Dear Group,
 
 
 
  I know this solution but I want to have Regular Expression option. Just 
  learning.
 
 
 
  Regards,
 
  Subhabrata.
 
 
 
 
 
 Start here http://docs.python.org/2/library/re.html
 
 
 
 Would you also please read and action this, 
 
 http://wiki.python.org/moin/GoogleGroupsPython , thanks.
 
 
 
 -- 
 
 Steve is going for the pink ball - and for those of you who are 
 
 watching in black and white, the pink is next to the green. Snooker 
 
 commentator 'Whispering' Ted Lowe.
 
 
 
 Mark Lawrence

Dear Group,

Suppose I want a regular expression that matches both Sent from my iPhone and 
Sent from my iPod. How do I write such an expression--is the problem, 
Sent from my iPod
Sent from my iPhone

which can be written as,
re.compile(Sent from my (iPhone|iPod))

now if I want to slightly to extend it as,

Taken from my iPod
Taken from my iPhone

I am looking how can I use or in the beginning pattern?

and the third phase if the intermediate phrase,

from my if also differs or changes.

In a nutshell I want to extract a particular group of phrases,
where, the beginning and end pattern may alter like,

(i) either from beginning Pattern B1 to end Pattern E1,
(ii) or from beginning Pattern B1 to end Pattern E2,
(iii) or from beginning Pattern B2 to end Pattern E2,
.

Regards,
Subhabrata.






-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Scripting Calligra Sheets with Python

2013-06-15 Thread Mark Lawrence

On 15/06/2013 16:55, Jim Byrnes wrote:

I've read all the docs I can find and worked through a lot of examples
but I can't figure out how to shift the focus from one cell to another.

Could someone point me to the command or an example of how to do this?

Thanks,  Jim



Have you tried asking here http://www.calligra.org/get-help/ as you were 
pointed in this direction on the tutor mailing list three months ago?


--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread Mark Lawrence

On 15/06/2013 17:28, subhabangal...@gmail.com wrote:

You've been pointed at several links, so what have you tried, and what, 
if anything, went wrong?  Or do you simply not understand, in which case 
please say so and we'll help.  I'm not trying to be awkward, it's simply 
known that you learn more if you try something yourself, rather than be 
spoon fed it.


--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Chris “Kwpolska” Warrick
On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
 On Sat, 15 Jun 2013 07:58:27 -0400, D'Arcy J.M. Cain wrote:

 I suggested including the poster that you are replying to.

 In the name of all that's good and decent in the world, why on earth
 would you do that when replying to a mailing list??? They're already
 getting a reply. Sending them TWO identical replies is just rude.

Mailman is intelligent enough not to send a second copy in that case.
This message was sent with a CC, and you got only one copy.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread rurpy
On 06/15/2013 03:42 AM, subhabangal...@gmail.com wrote: Dear Group,
 
 I am trying to search the following pattern in Python.
 
 I have following strings:
 
  (i)In the ocean
  (ii)On the ocean
  (iii) By the ocean
  (iv) In this group
  (v) In this group
  (vi) By the new group
.
 
 I want to extract from the first word to the last word, 
 where first word and last word are varying.
 
 I am looking to extract out:
   (i) the
   (ii) the 
   (iii) the
   (iv) this
   (v) this
   (vi) the new
   .
 
 The problem may be handled by converting the string to list and then 
 index of list. 
 
 But I am thinking if I can use regular expression in Python.

Since nobody here seems to want to answer your question
(or seems even able to read it), I'll try.  Is something 
like this what you want?

import re

texts = [
'(i)In the ocean',
'(ii)On the ocean',
'(iii) By the ocean',
'(iv) In this group',
'(v) In this group',
'(vi) By the new group']

pattern = re.compile (r'^\((.*)\)\s*\S+\s*(.*)\s\S+$')
for txt in texts:
matchobj = re.search (pattern, txt)
number, midtext = matchobj.group (1, 2)
print ((%s) %s % (number, midtext))


-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread D'Arcy J.M. Cain
On Sat, 15 Jun 2013 18:41:41 +0200
Chris “Kwpolska” Warrick kwpol...@gmail.com wrote:
 On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano
 steve+comp.lang.pyt...@pearwood.info wrote:
  In the name of all that's good and decent in the world, why on earth
  would you do that when replying to a mailing list??? They're already
  getting a reply. Sending them TWO identical replies is just rude.
 
 Mailman is intelligent enough not to send a second copy in that case.
 This message was sent with a CC, and you got only one copy.

Actually, no.  Mailman is not your MTA.  It only gets the email sent to
the mailing list.  Your MTA sends the other one directly so Steve is
correct.  He gets two copies.  If his client doesn't suppress the
duplicate then he will be presented with both.

-- 
D'Arcy J.M. Cain da...@druid.net |  Democracy is three wolves
http://www.druid.net/darcy/|  and a sheep voting on
+1 416 788 2246 (DoD#0082)(eNTP)   |  what's for dinner.
IM: da...@vex.net, VOIP: sip:da...@vex.net
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Potential Python 3.3.2 pyvenv bug on Windows

2013-06-15 Thread peter
Agreed.  I did submit a bug report.  If the core developers fix this, I suspect 
they will do so in a manner that does not break existing docs.  However, my 
workaround (rename the pyvenv created scripts\pydoc.py file) should suffice for 
those who need the problem solved now.

Take care,

Peter
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Chris “Kwpolska” Warrick
On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:
 On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:
 iam researchign a solution to this as we speak.

 Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't research.
 --
 http://mail.python.org/mailman/listinfo/python-list

BTW: Do we have a Greek around that is not Nikos, who is willing to
report him to the Police for publishing personal data of his clients?
http://superhost.gr/?page=pelatologio.py has PHONE NUMBERS of people
according to Google Translate.  And that doesn’t seem to be legal.  I
have already thrown an e-mail address to the domain registrar.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 18:41:41 +0200, Chris “Kwpolska” Warrick wrote:

 On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano
 steve+comp.lang.pyt...@pearwood.info wrote:
 On Sat, 15 Jun 2013 07:58:27 -0400, D'Arcy J.M. Cain wrote:

 I suggested including the poster that you are replying to.

 In the name of all that's good and decent in the world, why on earth
 would you do that when replying to a mailing list??? They're already
 getting a reply. Sending them TWO identical replies is just rude.
 
 Mailman is intelligent enough not to send a second copy in that case.
 This message was sent with a CC, and you got only one copy.

Wrong. I got two copies. One via comp.lang.python, and one direct to me.


-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Mailman forwarding (was: Don't feed the troll...)

2013-06-15 Thread W. Trevor King
On Sat, Jun 15, 2013 at 01:07:29PM -0400, D'Arcy J.M. Cain wrote:
 On Sat, 15 Jun 2013 18:41:41 +0200 Chris “Kwpolska” Warrick wrote:
  On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano wrote:
   In the name of all that's good and decent in the world, why on earth
   would you do that when replying to a mailing list??? They're already
   getting a reply. Sending them TWO identical replies is just rude.
  
  Mailman is intelligent enough not to send a second copy in that case.
  This message was sent with a CC, and you got only one copy.
 
 Actually, no.  Mailman is not your MTA.  It only gets the email sent to
 the mailing list.  Your MTA sends the other one directly so Steve is
 correct.  He gets two copies.  If his client doesn't suppress the
 duplicate then he will be presented with both.

Mailman can (optionally) assume that addresses listed in To, CC, …
fields received an out-of-band copies, and not mail them an
additional copy [1].

Cheers,
Trevor

[1]: http://www.gnu.org/software/mailman/mailman-member/node21.html

-- 
This email may be signed or encrypted with GnuPG (http://www.gnupg.org).
For more information, see http://en.wikipedia.org/wiki/Pretty_Good_Privacy


signature.asc
Description: OpenPGP digital signature
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Chris “Kwpolska” Warrick
On Sat, Jun 15, 2013 at 7:07 PM, D'Arcy J.M. Cain da...@druid.net wrote:
 On Sat, 15 Jun 2013 18:41:41 +0200
 Chris “Kwpolska” Warrick kwpol...@gmail.com wrote:
 On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano
 steve+comp.lang.pyt...@pearwood.info wrote:
  In the name of all that's good and decent in the world, why on earth
  would you do that when replying to a mailing list??? They're already
  getting a reply. Sending them TWO identical replies is just rude.

 Mailman is intelligent enough not to send a second copy in that case.
 This message was sent with a CC, and you got only one copy.

 Actually, no.  Mailman is not your MTA.  It only gets the email sent to
 the mailing list.  Your MTA sends the other one directly so Steve is
 correct.  He gets two copies.  If his client doesn't suppress the
 duplicate then he will be presented with both.

The source code seems to think otherwise:

http://bazaar.launchpad.net/~mailman-coders/mailman/3.0/view/head:/src/mailman/handlers/avoid_duplicates.py

On Sat, Jun 15, 2013 at 7:12 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
 Wrong. I got two copies. One via comp.lang.python, and one direct to me.

You are subscribed through Usenet and not
http://mail.python.org/mailman/listinfo/python-list, in which case
the above doesn’t apply, because Mailman throws the mail to Usenet and
not you personally.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 8:11 μμ, Chris “Kwpolska” Warrick wrote:

On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:

On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:

iam researchign a solution to this as we speak.


Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't research.
--
http://mail.python.org/mailman/listinfo/python-list


BTW: Do we have a Greek around that is not Nikos, who is willing to
report him to the Police for publishing personal data of his clients?
http://superhost.gr/?page=pelatologio.py has PHONE NUMBERS of people
according to Google Translate.  And that doesn’t seem to be legal.  I
have already thrown an e-mail address to the domain registrar.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html



How much of a bastard can you be?

--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 7:41 μμ, Chris “Kwpolska” Warrick wrote:

On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:

On Sat, 15 Jun 2013 07:58:27 -0400, D'Arcy J.M. Cain wrote:


I suggested including the poster that you are replying to.


In the name of all that's good and decent in the world, why on earth
would you do that when replying to a mailing list??? They're already
getting a reply. Sending them TWO identical replies is just rude.


Mailman is intelligent enough not to send a second copy in that case.
This message was sent with a CC, and you got only one copy.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html


You are spamming my thread.

--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread rusi
On Jun 15, 10:30 pm, Nick the Gr33k supp...@superhost.gr wrote:

 You are spamming my thread.

With you as our spamming-guru, Onward! Sky is the limit!
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread rusi
On Jun 15, 10:29 pm, Nick the Gr33k supp...@superhost.gr wrote:
 On 15/6/2013 8:11 μμ, Chris “Kwpolska” Warrick wrote:









  On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:
  On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:
  iam researchign a solution to this as we speak.

  Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't research.
  --
 http://mail.python.org/mailman/listinfo/python-list

  BTW: Do we have a Greek around that is not Nikos, who is willing to
  report him to the Police for publishing personal data of his clients?
 http://superhost.gr/?page=pelatologio.pyhas PHONE NUMBERS of people
  according to Google Translate.  And that doesn’t seem to be legal.  I
  have already thrown an e-mail address to the domain registrar.

  --
  Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
  stop html mail                | always bottom-post
 http://asciiribbon.org       |http://caliburn.nl/topposting.html

 How much of a bastard can you be?

So bastard is an uncountable noun?
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Fábio Santos
On Sat, Jun 15, 2013 at 6:29 PM, Nick the Gr33k supp...@superhost.gr wrote:
 On 15/6/2013 8:11 μμ, Chris “Kwpolska” Warrick wrote:

 On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:

 On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:

 iam researchign a solution to this as we speak.


 Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't research.
 --
 http://mail.python.org/mailman/listinfo/python-list


 BTW: Do we have a Greek around that is not Nikos, who is willing to
 report him to the Police for publishing personal data of his clients?
 http://superhost.gr/?page=pelatologio.py has PHONE NUMBERS of people
 according to Google Translate.  And that doesn’t seem to be legal.  I
 have already thrown an e-mail address to the domain registrar.

 --
 Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
 stop html mail| always bottom-post
 http://asciiribbon.org| http://caliburn.nl/topposting.html


 How much of a bastard can you be?

 --
 What is now proved was at first only imagined!
 --
 http://mail.python.org/mailman/listinfo/python-list

Yes, Nick. You are not the problem. He is for telling on you. Shame on
him! (or her? idk)

--
Fábio Santos
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Mark Lawrence

On 15/06/2013 18:29, Nick the Gr33k wrote:

On 15/6/2013 8:11 μμ, Chris “Kwpolska” Warrick wrote:

On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:

On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:

iam researchign a solution to this as we speak.


Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't research.
--
http://mail.python.org/mailman/listinfo/python-list


BTW: Do we have a Greek around that is not Nikos, who is willing to
report him to the Police for publishing personal data of his clients?
http://superhost.gr/?page=pelatologio.py has PHONE NUMBERS of people
according to Google Translate.  And that doesn’t seem to be legal.  I
have already thrown an e-mail address to the domain registrar.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html



How much of a bastard can you be?



A classic example of the pot calling the kettle black.

--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: A certainl part of an if() structure never gets executed.

2013-06-15 Thread Michael Torrie
On 06/15/2013 10:18 AM, Nick the Gr33k wrote:
 a and b you say are names, which still are memory chunks

Yes no matter how you look at it, a dictionary of names and objects is
memory and variables in that sense.  But at a higher level, we can
consider the differences with how a language like C defines variables.

 In both situations we still have 2 memory units holding values, so hows 
 that different?

Perhaps one could think of python names as more like pointers or
references in C. But python references are counted and garbage-collected
(more like a C++ reference-counting pointer type).

For example, a = 4 makes the name a be a reference to the object
int(4), which will never ever change in its lifetime (indeed it wouldn't
make sense for the integer 4 to change otherwise it wouldn't be a 4).
Thus a = a + 1 creates a new object that represents the integer value of
4 + 1, and throws the old object away.

 a = 5
 id(a)
2857664
 a = a + 1
 id (a)
2857680


Note that the identity (object) of a has changed.  If a were a variable
in the same sense as C, the identity of a would not change.

A mutable object like a list acts more like a variable in some ways:
 b = []
 id(b)
3076765292
 b.append(3)
 id(b)
3076765292

In many cases the distinction is little more than intellectual for all
intents and purposes, though it some cases the idea is very powerful.

But there a couple of cases where the difference between a variable and
a name referencing an object does bite people in Python:
http://effbot.org/zone/default-values.htm
http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Alister
On Sat, 15 Jun 2013 20:29:09 +0300, Nick the Gr33k wrote:

 On 15/6/2013 8:11 μμ, Chris “Kwpolska” Warrick wrote:
 On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:
 On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:
 iam researchign a solution to this as we speak.

 Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't
 research.
 --
 http://mail.python.org/mailman/listinfo/python-list

 BTW: Do we have a Greek around that is not Nikos, who is willing to
 report him to the Police for publishing personal data of his clients?
 http://superhost.gr/?page=pelatologio.py has PHONE NUMBERS of people
 according to Google Translate.  And that doesn’t seem to be legal.  I
 have already thrown an e-mail address to the domain registrar.

 --
 Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16 stop html mail   
 | always bottom-post http://asciiribbon.org|
 http://caliburn.nl/topposting.html


 How much of a bastard can you be?

Were that my data I would be calling him a hero.

please learn how to secure data before allowing your sites to escape onto 
the internet



-- 
You will inherit some money or a small piece of land.
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Michael Torrie
On 06/15/2013 11:30 AM, Nick the Gr33k wrote:
 You are spamming my thread.

No he's not.  The subject is changed on this branch of the thread, so
it's easy to see in any good e-mail reader that this sub-thread or
branch is diverting.  This is proper list etiquette.


-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Chris “Kwpolska” Warrick
On Sat, Jun 15, 2013 at 7:29 PM, Nick the Gr33k supp...@superhost.gr wrote:
 On 15/6/2013 8:11 μμ, Chris “Kwpolska” Warrick wrote:

 On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:

 On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:

 iam researchign a solution to this as we speak.


 Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't research.
 --
 http://mail.python.org/mailman/listinfo/python-list


 BTW: Do we have a Greek around that is not Nikos, who is willing to
 report him to the Police for publishing personal data of his clients?
 http://superhost.gr/?page=pelatologio.py has PHONE NUMBERS of people
 according to Google Translate.  And that doesn’t seem to be legal.  I
 have already thrown an e-mail address to the domain registrar.

 --
 Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
 stop html mail| always bottom-post
 http://asciiribbon.org| http://caliburn.nl/topposting.html


 How much of a bastard can you be?

 --
 What is now proved was at first only imagined!
 --
 http://mail.python.org/mailman/listinfo/python-list

Does saving that page count?

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 19:25:21 +0200, Chris “Kwpolska” Warrick wrote:

 On Sat, Jun 15, 2013 at 7:07 PM, D'Arcy J.M. Cain da...@druid.net
 wrote:
 On Sat, 15 Jun 2013 18:41:41 +0200
 Chris “Kwpolska” Warrick kwpol...@gmail.com wrote:
 On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano
 steve+comp.lang.pyt...@pearwood.info wrote:
  In the name of all that's good and decent in the world, why on earth
  would you do that when replying to a mailing list??? They're already
  getting a reply. Sending them TWO identical replies is just rude.

 Mailman is intelligent enough not to send a second copy in that case.
 This message was sent with a CC, and you got only one copy.

 Actually, no.  Mailman is not your MTA.  It only gets the email sent to
 the mailing list.  Your MTA sends the other one directly so Steve is
 correct.  He gets two copies.  If his client doesn't suppress the
 duplicate then he will be presented with both.
 
 The source code seems to think otherwise:

Mailman is not the only mailing list software in the world, and the 
feature you are referring to is optional.


 http://bazaar.launchpad.net/~mailman-coders/mailman/3.0/view/head:/src/
mailman/handlers/avoid_duplicates.py
 
 On Sat, Jun 15, 2013 at 7:12 PM, Steven D'Aprano
 steve+comp.lang.pyt...@pearwood.info wrote:
 Wrong. I got two copies. One via comp.lang.python, and one direct to
 me.
 
 You are subscribed through Usenet and not
 http://mail.python.org/mailman/listinfo/python-list, in which case the
 above doesn’t apply, because Mailman throws the mail to Usenet and not
 you personally.

I still get two copies if you CC me. That's still unnecessary and rude. 
If I wanted a copy emailed to me, I'd subscribe via email rather than via 
news. Whether you agree or not, I'd appreciate if you respect my wishes 
rather than try to wiggle out of it on a technicality.



-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Mark Lawrence

On 15/06/2013 18:30, Nick the Gr33k wrote:

On 15/6/2013 7:41 μμ, Chris “Kwpolska” Warrick wrote:

On Sat, Jun 15, 2013 at 5:40 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:

On Sat, 15 Jun 2013 07:58:27 -0400, D'Arcy J.M. Cain wrote:


I suggested including the poster that you are replying to.


In the name of all that's good and decent in the world, why on earth
would you do that when replying to a mailing list??? They're already
getting a reply. Sending them TWO identical replies is just rude.


Mailman is intelligent enough not to send a second copy in that case.
This message was sent with a CC, and you got only one copy.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html


You are spamming my thread.



Funniest thing I've read in years, try taking up writing comedy instead 
of anything involving computing.


--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 18:43:42 +0100, Mark Lawrence wrote:

 A classic example of the pot calling the kettle black.

If you're going to continue making unproductive, off-topic, inflammatory 
posts that prolong these already excessively large threads, Nikos won't 
be the only one kill-filed.

If you have nothing helpful to say, send it to /dev/null.


-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 10:36:00 -0700, rusi wrote:

 With you as our spamming-guru, Onward! Sky is the limit!

If you're going to continue making unproductive, off-topic, inflammatory 
posts that prolong these already excessively large threads, Nikos won't 
be the only one kill-filed.

If you have nothing helpful to say, send it to /dev/null.


-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread subhabangalore
On Saturday, June 15, 2013 3:12:55 PM UTC+5:30, subhaba...@gmail.com wrote:
 Dear Group,
 
 
 
 I am trying to search the following pattern in Python.
 
 
 
 I have following strings:
 
 
 
  (i)In the ocean
 
  (ii)On the ocean
 
  (iii) By the ocean
 
  (iv) In this group
 
  (v) In this group
 
  (vi) By the new group
 
.
 
 
 
 I want to extract from the first word to the last word, 
 
 where first word and last word are varying.
 
 
 
 I am looking to extract out:
 
   (i) the
 
   (ii) the 
 
   (iii) the
 
   (iv) this
 
   (v) this
 
   (vi) the new
 
   .
 
 
 
 The problem may be handled by converting the string to list and then 
 
 index of list. 
 
 
 
 But I am thinking if I can use regular expression in Python.
 
 
 
 If any one of the esteemed members can help.
 
 
 
 Thanking you in Advance,
 
 
 
 Regards,
 
 Subhabrata

Dear Group,

Thank you for the answer. But I want to learn bit of interesting regular 
expression forms where may I? No Mark, thank you for your links but they were 
not sufficient. I am looking for more intriguing exercises, esp use of or in 
the pattern search. 

Regards,
Subhabrata. 
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Andreas Perstinger
Nick the Gr33k supp...@superhost.gr wrote:
You are spamming my thread.

Well, you don't own this thread. In fact nobody owns it. This is a
public forum and thus anybody can answer to any post as he likes.

Bye, Andreas
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Chris “Kwpolska” Warrick
On Sat, Jun 15, 2013 at 7:52 PM, Alister alister.w...@ntlworld.com wrote:
 On Sat, 15 Jun 2013 20:29:09 +0300, Nick the Gr33k wrote:

 On 15/6/2013 8:11 μμ, Chris “Kwpolska” Warrick wrote:
 On Fri, Jun 14, 2013 at 5:25 AM, alex23 wuwe...@gmail.com wrote:
 On Jun 14, 2:24 am, Νικόλαος Κούρας supp...@superhost.gr wrote:
 iam researchign a solution to this as we speak.

 Spamming endless ZOMG HELP ME I'M INCOMPETENT posts isn't
 research.
 --
 http://mail.python.org/mailman/listinfo/python-list

 BTW: Do we have a Greek around that is not Nikos, who is willing to
 report him to the Police for publishing personal data of his clients?
 http://superhost.gr/?page=pelatologio.py has PHONE NUMBERS of people
 according to Google Translate.  And that doesn’t seem to be legal.  I
 have already thrown an e-mail address to the domain registrar.

 --
 Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16 stop html mail
 | always bottom-post http://asciiribbon.org|
 http://caliburn.nl/topposting.html


 How much of a bastard can you be?

 Were that my data I would be calling him a hero.

 please learn how to secure data before allowing your sites to escape onto
 the internet

Actually, Nikolaos should be happy I didn’t bother to learn Greek and
pony up €6 to actually call those seventeen numbers, as roaming is
friggin’ expensive, and that’s assuming that a minute would be enough
to tell those people what is going on, and not forgetting that I live
in a country where the minimum wage is less than €400, and that the
number includes taxes and such.

--
Kwpolska http://kwpolska.tk | GPG KEY: 5EAAEA16
stop html mail| always bottom-post
http://asciiribbon.org| http://caliburn.nl/topposting.html
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread rusi
On Jun 15, 10:52 pm, Steven D'Aprano steve
+comp.lang.pyt...@pearwood.info wrote:
 On Sat, 15 Jun 2013 10:36:00 -0700, rusi wrote:
  With you as our spamming-guru, Onward! Sky is the limit!

 If you're going to continue making unproductive, off-topic, inflammatory
 posts that prolong these already excessively large threads, Nikos won't
 be the only one kill-filed.

At least two people -- Alex and Antoon -- have told you that by
supporting Nikos, when everyone else wants him off list, you are part
of the problem.

Others -- Fabio -- have indicated their wish to leave the list due to
everything becoming Nikos-tainted.

Everyone is exasperated and talking of kill-filing him.

Let me remind you of your post: 
http://mail.python.org/pipermail/python-list/2013-June/649581.html

In this post you have imputed masturbation to first-time poster for a
quite valid question.
[I am assuming that google is correct in informing me that choking the
chicken means that].
This is way beyond being rude uncalled-for and generally unacceptable.

I suggest it is because of something else you said -- viz that Nikos
mails are draining you.

In short because you are unable to restrain your charitable behavior
towards Nikos -- note that this is charity at public (the group)
expense -- you are behaving abominably in other contexts, including
towards first time posters.

If you must help Nikos, please do it in private.
He is not wanted here.
[This is not specifically addressed to you Steven alone but to all who
are feeling charitable at public expense]
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: RFD: rename comp.lang.python to comp.support.superhost

2013-06-15 Thread Mark Lawrence

On 15/06/2013 18:51, Steven D'Aprano wrote:

On Sat, 15 Jun 2013 18:43:42 +0100, Mark Lawrence wrote:


A classic example of the pot calling the kettle black.


If you're going to continue making unproductive, off-topic, inflammatory
posts that prolong these already excessively large threads, Nikos won't
be the only one kill-filed.

If you have nothing helpful to say, send it to /dev/null.




I do apologise Mr. Self Appointed Policeman.  Not.

--
Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green. Snooker 
commentator 'Whispering' Ted Lowe.


Mark Lawrence

--
http://mail.python.org/mailman/listinfo/python-list


Re: Version Control Software

2013-06-15 Thread Dan Sommers
On Sat, 15 Jun 2013 15:29:27 +, Giorgos Tzampanakis wrote:

 Also, is working without connection to the server such big an issue?
 One would expect that losing access to the central server would
 indicate significant problems that would impact development anyway.

Everyone and every device is connected to the internet all the time, or
else the universe comes to an end.

Get off my lawn!  ;-)

Being able to work remotely is a huge win.  Anarchy is not.  Somewhere
in between, reality sets in, and I can work appropriately for different
use cases.
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Pattern Search Regular Expression

2013-06-15 Thread rurpy
On Saturday, June 15, 2013 11:54:28 AM UTC-6, subhaba...@gmail.com wrote:

 Thank you for the answer. But I want to learn bit of interesting
 regular expression forms where may I? 
 No Mark, thank you for your links but they were not sufficient.

Links to the Python reference documentation are useful for people
just beginning with some aspect of Python; they are for people who
already know Python and want to look up details.  So it's no
surprise that you did not find them useful.

 I am looking for more intriguing exercises, esp use of or in
 the pattern search. 

Have you tried searching on Google for regular expression tutorial?
It gives a lot of results.  I've never tried any of them so I can't 
recommend any one specifically but maybe you can find something 
useful there?

There is also a Python Howto on regular expressions at
  http://docs.python.org/3/howto/regex.html

Also, maybe the book Regular Expressions Cookbook would
be useful?  It seems to have a lot of specific expressions
for accomplishing various tasks and seems to be online for
free at
  http://it-ebooks.info/read/920/
-- 
http://mail.python.org/mailman/listinfo/python-list


XML to PDF book with ElementTree and xtopdf

2013-06-15 Thread vasudevram

Hi list,

This may be of interest - a program to create simple PDF books from XML text 
content:

Create PDF books with XMLtoPDFBook:

http://jugad2.blogspot.in/2013/06/create-pdf-books-with-xmltopdfbook.html

XMLtoPDFBook.py requires ElementTree (which is in the standard Python library), 
xtopdf, ReportLab and Python.

Relevant download links for xtopdf and ReportLab are in the post linked above.

Here is a guide to installing xtopdf:

http://jugad2.blogspot.in/2012/07/guide-to-installing-and-using-xtopdf.html

- Vasudev Ram
Python, Linux and open source consulting and training
Site: http://dancingbison.com
Blog: http://jugad2.blogspot.com
-- 
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Nick the Gr33k

On 15/6/2013 8:47 μμ, Steven D'Aprano wrote:


I still get two copies if you CC me. That's still unnecessary and rude.
If I wanted a copy emailed to me, I'd subscribe via email rather than via
news. Whether you agree or not, I'd appreciate if you respect my wishes
rather than try to wiggle out of it on a technicality.


I'am also getting 2 notifications two of any response in TB

One in the news section and one by mail.
Please do not CC.

If i wanted mail notification i would subscribed via email.


--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: A few questiosn about encoding

2013-06-15 Thread Nick the Gr33k

On 14/6/2013 4:58 μμ, Nick the Gr33k wrote:

On 14/6/2013 1:14 μμ, Cameron Simpson wrote:

Normally a character in a b'...' item represents the byte value
matching the character's Unicode ordinal value.


The only thing that i didn't understood is this line.
First please tell me what is a byte value


\x1b is a sequence you find inside strings (and byte strings, the
b'...' format).


\x1b is a character(ESC) represented in hex format

b'\x1b' is a byte object that represents what?


  chr(27).encode('utf-8')
b'\x1b'

  b'\x1b'.decode('utf-8')
'\x1b'

After decoding it gives the char ESC in hex format
Shouldn't it result in value 27 which is the ordinal of ESC ?

  No, I mean conceptually, there is no difference between a code-point
  and its ordinal value. They are the same thing.

Why Unicode charset doesn't just contain characters, but instead it
contains a mapping of (characters -- ordinals) ?

I mean what we do is to encode a character like chr(65).encode('utf-8')

What's the reason of existence of its corresponding ordinal value since
it doesn't get involved into the encoding process?

Thank you very much for taking the time to explain.


Can someone please explain these questions too?

--
What is now proved was at first only imagined!
--
http://mail.python.org/mailman/listinfo/python-list


Re: Don't feed the troll...

2013-06-15 Thread Steven D'Aprano
On Sat, 15 Jun 2013 11:18:03 -0700, rusi wrote:

 At least two people -- Alex and Antoon -- have told you that by
 supporting Nikos, when everyone else wants him off list, you are part of
 the problem.

And others have publicly thanked me for giving useful answers to Nikos, 
because they have learned from them.

You replied to Antoon, and agreed with his position that we should shun 
Nikos, then *immediately* contradicted yourself by stating that Robert 
Kern's helpful answers were the ideal. And then, just to further 
demonstrate that your actions are at best inconsistent and at worst 
hypocritical, you have since gone on to fire barbs at Nikos instead of 
ignoring him. So please tend to the beam in your own eye before pointing 
at the mote in mine.


 Others -- Fabio -- have indicated their wish to leave the list due to
 everything becoming Nikos-tainted.

That would be disappointing, but there's nothing I can do about it.


 Everyone is exasperated and talking of kill-filing him.

Then why don't they? Don't feed the troll includes trying to beat him 
into submission with insults and half-witty remarks.

This is not about Nikos. It's about those who are also doing their bit to 
make this community an ugly, hostile place. I won't mention names -- you 
know who you are. Those who take it upon themselves to bait and prod and 
poke Nikos with insults and inflammatory replies. Appointing themselves 
Internet Police and making ridiculous claims that Nikos ought to be 
reported to the police. Sending bogus complaints to the domain registrar. 
There is a word for this sort of behaviour: bullying. I don't care how 
morally justified you think you are, you are now just as big a part of 
the problem as Nikos.


 Let me remind you of your post:
 http://mail.python.org/pipermail/python-list/2013-June/649581.html
 
 In this post you have imputed masturbation to first-time poster for a
 quite valid question.
 [I am assuming that google is correct in informing me that choking the
 chicken means that].
 This is way beyond being rude uncalled-for and generally unacceptable.

Not as rude as making such a misleading characterisation of my post. The 
original poster's reply is one click away from that link:

Thank you for your help and sense of humor... all the best, Buford

http://mail.python.org/pipermail/python-list/2013-June/649680.html


If you insist on taking umbrage on behalf of the OP, I can't stop you, 
but that says more about you than about me.



-- 
Steven
-- 
http://mail.python.org/mailman/listinfo/python-list


Why 'files.py' does not print the filenames into a table format?

2013-06-15 Thread Nick the Gr33k

Hello,

Trying to browse http://superhost.gr/?page=files.py with tailing -F of 
the error_log i noticed that error log outputs no error!


So that means that the script is correct.

here are the directory app's files.

ni...@superhost.gr [~/www/data/apps]# ls -l
total 412788
drwxr-xr-x 2 nikos nikos 4096 Jun 12 12:03 ./
drwxr-xr-x 6 nikos nikos 4096 May 26 21:13 ../
-rwxr-xr-x 1 nikos nikos 13157283 Mar 17 12:57 100\ Mythoi\ tou\ 
Aiswpou.pdf*

-rwxr-xr-x 1 nikos nikos 29524686 Mar 11 18:17 Anekdotologio.exe*
-rw-r--r-- 1 nikos nikos 42413964 Jun  2 20:29 Battleship.exe
-rw-r--r-- 1 nikos nikos 51819750 Jun  2 20:04 Luxor\ Evolved.exe
-rw-r--r-- 1 nikos nikos 60571648 Jun  2 14:59 Monopoly.exe
-rwxr-xr-x 1 nikos nikos  1788164 Mar 14 11:31 Online\ Movie\ Player.zip*
-rw-r--r-- 1 nikos nikos  5277287 Jun  1 18:35 O\ Nomos\ tou\ Merfy\ 
v1-2-3.zip

-rwxr-xr-x 1 nikos nikos 16383001 Jun 22  2010 Orthodoxo\ Imerologio.exe*
-rw-r--r-- 1 nikos nikos  6084806 Jun  1 18:22 Pac-Man.exe
-rw-r--r-- 1 nikos nikos 45297713 Jun 10 12:38 Raptor\ Chess.exe
-rw-r--r-- 1 nikos nikos 25476584 Jun  2 19:50 Scrabble.exe
-rwxr-xr-x 1 nikos nikos 49141166 Mar 17 12:48 To\ 1o\ mou\ vivlio\ gia\ 
to\ skaki.pdf*

-rwxr-xr-x 1 nikos nikos  3298310 Mar 17 12:45 Vivlos\ gia\ Atheofovous.pdf*
-rw-r--r-- 1 nikos nikos  1764864 May 29 21:50 V-Radio\ v2.4.msi
-rw-r--r-- 1 nikos nikos  3511233 Jun  4 14:11 Ευχή\ του\ Ιησού.mp3
-rwxr-xr-x 1 nikos nikos 66896732 Mar 17 13:13 Κοσμάς\ Αιτωλός\ -\ 
Προφητείες.pdf*

-rw-r--r-- 1 nikos nikos   236032 Jun  4 14:10 Σκέψου\ έναν\ αριθμό.exe


The code is as follows:

# 
=

# Convert wrongly encoded filenames to utf-8
# 
=

path = b'/home/nikos/public_html/data/apps/'
filenames = os.listdir( path )

utf8_filenames = []

for filename in filenames:
# Compute 'path/to/filename'
filename_bytes = path + filename
encoding = guess_encoding( filename_bytes )

if encoding == 'utf-8':
# File name is valid UTF-8, so we can skip to the next file.
utf8_filenames.append( filename_bytes )
continue
elif encoding is None:
		# No idea what the encoding is. Hit it with a hammer until it stops 
moving.

filename = filename_bytes.decode( 'utf-8', 'xmlcharrefreplace' )
else:
filename = filename_bytes.decode( encoding )

# Rename the file to something which ought to be UTF-8 clean.
newname_bytes = filename.encode('utf-8')
os.rename( filename_bytes, newname_bytes )
utf8_filenames.append( newname_bytes )

	# Once we get here, the file ought to be UTF-8 clean and the Unicode 
name ought to exist:

assert os.path.exists( newname_bytes.decode('utf-8') )


# Switch filenames from utf8 bytestrings = unicode strings
filenames = []

for utf8_filename in utf8_filenames:
filenames.append( utf8_filename.decode('utf-8') )

# Check the presence of a database file against the dir files and delete 
record if it doesn't exist

cur.execute('''SELECT url FROM files''')
data = cur.fetchall()

for url in data:
if url not in filenames:
# Delete spurious
cur.execute('''DELETE FROM files WHERE url = %s''', url )


# 
=

# Display ALL files, each with its own download button
# 
=

print('''body background='/data/images/star.jpg'
 centerimg src='/data/images/download.gif'brbr
 table border=5 cellpadding=5 bgcolor=green
''')

try:
cur.execute( '''SELECT * FROM files ORDER BY lastvisit DESC''' )
data = cur.fetchall()

for row in data:
(filename, hits, host, lastvisit) = row
lastvisit = lastvisit.strftime('%A %e %b, %H:%M')

print('''
form method=get action=/cgi-bin/files.py
tr
td center input type=submit name=filename 
value=%s /td
td center font color=yellow size=5 %s 
/td
td center font color=orange size=4 %s 
/td
td center font color=silver size=4 %s 
/td
/tr
/form
''' % (filename, hits, host, lastvisit) )
print( '''/tablebrbr''' )
except pymysql.ProgrammingError as e:
print( repr(e) )

===
PLEASE take a look, its not a huge code, the encoding was of Steven 
idea's, so 

  1   2   3   >