Re: how to run python script on remote machine

Praveena Boppudi (c) wrote: > Can anyone help me in executing python scripts on remote computer? Both > are windows machines. A fair amount depends on just you want to achieve in the wider picture. I'm going to assume that you have Python/pywin32 installed on both machines. You can, for example,

Re: sort functions in python

On Feb 8, 10:09 pm, Jeff Schwab <[EMAIL PROTECTED]> wrote: > If you expect your data to be pretty nearly sorted > already, but you just want to make sure (e.g. because a small number of > elements may have been inserted or removed since the last sort), > bubble-sort is a good choice. But if you're

Re: multi-Singleton-like using __new__

On Feb 8, 5:38 pm, Freek Dijkstra <[EMAIL PROTECTED]> wrote: If you want to subclass, my initial example did not cover that. This will, or at least, I don't have any problems with similar code: ... def __new__(cls,uri,*args,**kwds): ... try: ... return cls.cache[(cls,uri

Re: sort functions in python

On 9 Feb, 01:00, t3chn0n3rd <[EMAIL PROTECTED]> wrote: > Do you think it is relatively easy to write sort algorithms such as > the common Bubble sort in Python as compared to other high level > programming langauges Hi, >From a quick google, you could compare the sources here: http://www.daniweb.c

Re: shelve.open call gives error

On Feb 8, 5:29 pm, "Gabriel Genellina" <[EMAIL PROTECTED]> wrote: > En Fri, 08 Feb 2008 06:36:53 -0200, waltbrad <[EMAIL PROTECTED]> > escribió: > > > > > Working through the Mark Lutz book Programming Python 3rd Edition. > > > A couple of modules in the "Preview" chapter give me errors. Both on a

Help Wanted (Volunteer(s))

The Job Board needs you, please see http://pyfound.blogspot.com/2008/02/help-needed-with-python-job-board.html regards Steve -- Steve Holden+1 571 484 6266 +1 800 494 3119 Holden Web LLC http://www.holdenweb.com/ -- http://mail.python.org/mailman/listinfo/python-list

Re: Pure Python Salsa20 Stream Cipher Implementation

En Sat, 09 Feb 2008 01:34:30 -0200, <[EMAIL PROTECTED]> escribió: > On 8 Feb., 17:18, Paul Rubin wrote: >> I don't understand why a pure python version of salsa20 would be >> interesting. Is there some application that uses salsa20, that's >> worth being able to interop

Re: Pure Python Salsa20 Stream Cipher Implementation

On 8 Feb., 17:18, Paul Rubin wrote: > I don't understand why a pure python version of salsa20 would be > interesting. Is there some application that uses salsa20, that's > worth being able to interoperate with in pure python? The reason for a pure python is that it woul

Re: sort functions in python

Steven D'Aprano wrote: > On Fri, 08 Feb 2008 17:00:27 -0800, t3chn0n3rd wrote: > >> Do you think it is relatively easy to write sort algorithms such as the >> common Bubble sort in Python as compared to other high level programming >> langauges > > > You realise that bubble sort is one of the wo

Re: using scons as a library

Hello Tim, > Hi, I've been reading up on the SCons build tool. It's intended to > work by the end-user calling 'scons' on a buildscript. However, I'd > like to use it from my own python project as an imported module, and > have my already-written classes use the Scons objects to take actions > wit

Re: Time conversion between UTC and local time

Hello, > I have the following problem: > There are strings describing a UTC time, e.g. " 2008-01-15 22:32:30" > and a string reflecting the time > zone e.g. "-05:00". > > What is an elegant way of getting the local time (considering DST - > daylight saving time) with that data? > The date is not i

Re: sort functions in python

On Fri, 08 Feb 2008 17:00:27 -0800, t3chn0n3rd wrote: > Do you think it is relatively easy to write sort algorithms such as the > common Bubble sort in Python as compared to other high level programming > langauges You realise that bubble sort is one of the worst possible sort algorithms possib

Re: Code block function syntax, anonymous functions decorator

On Feb 8, 1:08 am, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > On Feb 8, 6:50 am, [EMAIL PROTECTED] wrote: > > > > > > > Sometimes, it's more appropriate to write > > > @call > > def f(): > >    normal_suite() > > > than > > > def f(): > >    normal_suite() > > f(). > > > It's clearer to the eye

Re: multi-Singleton-like using __new__

On Sat, 09 Feb 2008 01:20:00 +, Matt Nordhoff wrote: > Steven D'Aprano wrote: >> Except that using has_key() means making an attribute lookup, which >> takes time. > > I was going to say that, but doesn't 'in' require an attribute lookup of > some sort too, of __contains__ or whatever? I d

Re: Chinese character error

"Chris" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > On Feb 8, 11:29 am, John Deas <[EMAIL PROTECTED]> wrote: >> Hi, >> >> I made a small script to recursively copy files from a directory tree >> to an exportDir only if they have an mp3 extension : >> >> a=os.walk(os.getcwd()) >>

Re: sort functions in python

t3chn0n3rd wrote: > Do you think it is relatively easy to write sort algorithms such as > the common Bubble sort in Python as compared to other high level > programming langauges http://www.codecodex.com/wiki/index.php?title=Bubble_sort -- http://mail.python.org/mailman/listinfo/python-list

Re: Why not a Python compiler?

On Sat, 09 Feb 2008 01:11:09 +, Marc 'BlackJack' Rintsch wrote: > On Fri, 08 Feb 2008 05:12:29 -0800, Ryszard Szopa wrote: > >> Expressing simple loops as C for loops... > > You mean simple loops like ``for i in xrange(1000):``? How should the > compiler know what object is bound to the nam

Re: Why not a Python compiler?

Luis M. González wrote: > On 8 feb, 22:15, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: >> On Fri, 08 Feb 2008 17:45:36 +, Grant Edwards wrote: >>> On 2008-02-08, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: Please get back on topic. This discussion is about parsecs and wookies

Re: multi-Singleton-like using __new__

J Peyret wrote: > >>> class RDFObject(object): > > ... cache ={} > ... isInitialized = False > ... def __new__(cls,uri,*args,**kwds): > ... try: > ... return cls.cache[uri] > ... except KeyError: > ... print "cache miss" > ... res = c

Re: Critique of first python code

On Feb 8, 4:32 pm, George Sakkis <[EMAIL PROTECTED]> wrote: > On Feb 8, 3:40 pm, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > > > > > How about: > > > from itertools import count > > from random import randrange > > > def grow(L, depth, counter=count()): > >'''grow L by appending integers and

Re: Why not a Python compiler?

On 8 feb, 22:15, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > On Fri, 08 Feb 2008 17:45:36 +, Grant Edwards wrote: > > On 2008-02-08, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > > >> Please get back on topic. This discussion is about parsecs and > >> wookies now. > > > What's a "woo

Re: which one is more efficient

En Fri, 08 Feb 2008 22:45:06 -0200, ki lo <[EMAIL PROTECTED]> escribió: > I have type variable which may have been set to 'D' or 'E' > > Now, which one of following statements are more efficient > > if type =='D' or type == 'E': > > or > > if re.search("D|E", type): > > Please let me know because

Re: multi-Singleton-like using __new__

Steven D'Aprano wrote: > Except that using has_key() means making an attribute lookup, which takes > time. I was going to say that, but doesn't 'in' require an attribute lookup of some sort too, of __contains__ or whatever? has_key is probably now just a wrapper around that, so it would be one mo

Re: Why not a Python compiler?

On Fri, 08 Feb 2008 17:45:36 +, Grant Edwards wrote: > On 2008-02-08, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > >> Please get back on topic. This discussion is about parsecs and >> wookies now. > > What's a "wookie" a unit of? The degree of confusion among the jury when using the Chewb

Re: Why not a Python compiler?

On Fri, 08 Feb 2008 05:12:29 -0800, Ryszard Szopa wrote: > Expressing simple loops as C for loops... You mean simple loops like ``for i in xrange(1000):``? How should the compiler know what object is bound to the name `xrange` when that loop is executed? Ciao, Marc 'BlackJack' Rintsch -

Re: sort functions in python

t3chn0n3rd wrote: > Do you think it is relatively easy to write sort algorithms such as > the common Bubble sort in Python as compared to other high level > programming langauges yes -- http://mail.python.org/mailman/listinfo/python-list

Re: which one is more efficient

ki lo wrote: > I have type variable which may have been set to 'D' or 'E' > > Now, which one of following statements are more efficient > > if type =='D' or type == 'E': > > or > > if re.search("D|E", type): > > Please let me know because the function is going to called 10s of > millions of t

Re: __builtins__

LHB <[EMAIL PROTECTED]> writes: > Marc 'BlackJack' Rintsch a écrit : > > `__builtins__` is an implementation detail, and `__builtin__` is a name > > of a module you can import. You should not use `__builtins__` but import > > `__builtin__` and inspect that instead of `__builtins__`. > Ok. Should

sort functions in python

Do you think it is relatively easy to write sort algorithms such as the common Bubble sort in Python as compared to other high level programming langauges -- http://mail.python.org/mailman/listinfo/python-list

Re: which one is more efficient

ki lo wrote: > I have type variable which may have been set to 'D' or 'E' > > Now, which one of following statements are more efficient > > if type =='D' or type == 'E': > > or > > if re.search("D|E", type): > > Please let me know because the function is going to called 10s of > millions of times.

Re: Why does list have no 'get' method?

[EMAIL PROTECTED] writes: > (would it help if I put lots of blank lines after this, so the disclaimer > is out-of-sight/out-of-mind?) Not really. It would help far more if you could stop having this disclaimer appear at all on this list (or any other list, really, but that's a matter for those l

Re: multi-Singleton-like using __new__

En Fri, 08 Feb 2008 22:04:26 -0200, Matt Nordhoff <[EMAIL PROTECTED]> escribió: > J Peyret wrote: >> - Same with using try/except KeyError instead of in cls.cache. >> Has_key might be better if you insist on look-before-you-leap, because >> 'in cls.cache' probably expends to uri in cls.cache.key

which one is more efficient

I have type variable which may have been set to 'D' or 'E' Now, which one of following statements are more efficient if type =='D' or type == 'E': or if re.search("D|E", type): Please let me know because the function is going to called 10s of millions of times. Thanks Kilo -- http://mail.pyt

Re: multi-Singleton-like using __new__

On Sat, 09 Feb 2008 00:04:26 +, Matt Nordhoff wrote: > At worst, in and has_key are "about the same". Except that using has_key() means making an attribute lookup, which takes time. I'm kinda curious why you say they're "about the same" when your own timing results contradict that. Here th

Re: Why does list have no 'get' method?

Carl Banks: > I think booleans should be completely disjoint from all other types, > as they are in Java. "and", "or", and "not" should accept only boolean > operands and return only boolean results. I'd like "or" and "and" (and "not") to return booleans only, to avoid bugs and make their meanin

Re: Why not a Python compiler?

Grant Edwards wrote: > On 2008-02-08, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > >>> the compiler could do little else except translate it to something >>> like: >>> >>> (python:add a b) >> [snip more interesting considerations about compiling python] >> >> Please get back on topic. This discu

Re: Dear David

Grant Edwards wrote: > On 2008-02-08, Blubaugh, David A. <[EMAIL PROTECTED]> wrote: > >> I have discontinued the use of ?? a long time ago. Why >> is this still a problem? > > You're still top posting and not trimming quotes. That annoys > a lot of people. > It isn't a problem, I was mere

Re: Using a signal to terminate a programm running with an asyncore loop

On Feb 8, 4:03 pm, Larry Bates <[EMAIL PROTECTED]> wrote: > When signal is caught handle_shutdown_signal is called.  At that point > SHUTDOWN_PERFORMED will ALWAYS be False.  Normally all you do in this function > is to set SHUTDOWN_PERFORMED to True and have a test somewhere in your main > program

Re: Using a signal to terminate a programm running with an asyncore loop

[EMAIL PROTECTED] wrote: > On Feb 8, 7:04 am, Larry Bates <[EMAIL PROTECTED]> wrote: >> [EMAIL PROTECTED] wrote: >>> I'm developing a program that runs using an asyncore loop. Right now >>> I can adequately terminate it using Control-C, but as things get >>> refined I need a better way to stop it.

Re: multi-Singleton-like using __new__

J Peyret wrote: > - Same with using try/except KeyError instead of in cls.cache. > Has_key might be better if you insist on look-before-you-leap, because > 'in cls.cache' probably expends to uri in cls.cache.keys(), which can > be rather bad for perfs if the cache is very big. i.e. dict lookups >

how to run python script on remote machine

Hi, Can anyone help me in executing python scripts on remote computer? Both are windows machines. Thanks, Praveena. -- http://mail.python.org/mailman/listinfo/python-list

Re: are elements of a list in sequence in list b

On Fri, 08 Feb 2008 16:39:55 +, Matthew_WARREN wrote: > Hallo, > > > I need to search list a for the sequence of list b > > First I went a=[1,2,34,4,5,6] b=[2,3,4] a in b > False You have the order of a and b mixed up there. As you have it, you are searching b for a. >

Re: Why does list have no 'get' method?

En Fri, 08 Feb 2008 13:24:19 -0200, <[EMAIL PROTECTED]> escribió: > > Matt. > (would it help if I put lots of blank lines after this, so the disclaimer > is out-of-sight/out-of-mind?) > -- > ie, from here on? No, what would help is a line containing *exactly* (dash)(dash)(space)(newline) That

Re: shelve.open call gives error

En Fri, 08 Feb 2008 06:36:53 -0200, waltbrad <[EMAIL PROTECTED]> escribió: > Working through the Mark Lutz book Programming Python 3rd Edition. > > A couple of modules in the "Preview" chapter give me errors. Both on a > shelve.open call: > > Pretty simple code, (2nd example): > =code begin=

Re: are elements of a list in sequence in list b

[EMAIL PROTECTED] wrote: > Hallo, > > > I need to search list a for the sequence of list b > I guess most pythonic would be sth like this: [code] def naive_seq_match(sequence, pattern): """Serches for pattern in sequence. If pattern is found returns match start index, else returns No

Re: Critique of first python code

On Feb 8, 3:40 pm, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > On Feb 8, 7:20 pm, "Zack" <[EMAIL PROTECTED]> wrote: > > > > > Hi all. I'm just starting to pick up python. I wanted to play with nested > > lists so first I wrote a little bit of code to create arbitrarily nested > > lists (grow). T

Re: Critique of first python code

Zack wrote: > Hi all. I'm just starting to pick up python. I wanted to play with nested > lists so first I wrote a little bit of code to create arbitrarily nested > lists (grow). Then I wrote a breadth first search. I'm putting this small > snippet up asking for criticism. Was there a more elegan

Re: brain stuck. whats occurring here?

En Fri, 08 Feb 2008 13:58:53 -0200, Steve Holden <[EMAIL PROTECTED]> escribió: >> "Mariano Suárez-Alvarez" <[EMAIL PROTECTED]> writes: >>> On Feb 7, 3:38 pm, [EMAIL PROTECTED] wrote: [disclaimer dozens of lines long] >>> Is this absurd signature really necessary? > That particular trailing

Re: OT: Star Wars and parsecs [was Re: Why not a Python compiler?]

In article <[EMAIL PROTECTED]>, Grant Edwards <[EMAIL PROTECTED]> wrote: > On 2008-02-08, Dennis Lee Bieber <[EMAIL PROTECTED]> wrote: > > > A Parsec is a fixed value (which, admittedly, presumes the culture > > developed a 360degree circle broken into degrees => minutes => > > seconds... or

Re: Critique of first python code

On Feb 8, 7:20 pm, "Zack" <[EMAIL PROTECTED]> wrote: > Hi all. I'm just starting to pick up python. I wanted to play with nested > lists so first I wrote a little bit of code to create arbitrarily nested > lists (grow). Then I wrote a breadth first search.  I'm putting this small > snippet up askin

Re: multi-Singleton-like using __new__

I think the metaclass stuff is a bit too black magic for a pretty simple requirement. Txs in any case for showing me the __init__ issue, I wasn't aware of it. Here's a workaround - not exactly elegant in terms of OO, with the isInitialized flag, but it works. >>> class RDFObject(object): ...

Re: are elements of a list in sequence in list b

On Feb 8, 5:06 pm, Paul Hankin <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > I need to search list a for the sequence of list b > > def list_contains(a, b): >     return any(a[i:i+len(b)] == b for i in range(len(a) - len(b) + 1)) > > list_contains(range(1, 7), [2, 3, 4]) > > -- > Paul H

Re: shelve.open call gives error

On Friday 08 February 2008 03:36, waltbrad wrote: > Working through the Mark Lutz book > Programming Python 3rd Edition. > > A couple of modules in the "Preview" > chapter give me errors. Both on a > shelve.open call: > > Pretty simple code, (2nd example): > =code begin= > import shelve >

MyHDL project!

From: Dan Fabrizio [mailto:[EMAIL PROTECTED] Sent: Friday, February 08, 2008 2:56 PM To: Blubaugh, David A. Subject: Re: MyHDL project ! David, No problem with the mailing list, others might have some experience that could be useful. Let me know how yo

Critique of first python code

Hi all. I'm just starting to pick up python. I wanted to play with nested lists so first I wrote a little bit of code to create arbitrarily nested lists (grow). Then I wrote a breadth first search. I'm putting this small snippet up asking for criticism. Was there a more elegant way to do what I'm

Re: Dear David

> I have discontinued the use of ?? a long time ago. Why is this > still a problem? Welcome to bewildering yet joyful world of usenet! It seems you are already having quite some fun! -- http://mail.python.org/mailman/listinfo/python-list

Re: Why does list have no 'get' method?

On Feb 8, 3:38 am, [EMAIL PROTECTED] wrote: > Can't you just make a subclass of Boolean and add methods to the true/ > false, or am i running up a tree with a cat? I'm not sure what point you were trying to make, but no you can't subclass bool in Python as it is now; certainly it wouldn't be possi

Re: keyword 'in' not returning a bool?

In article <[EMAIL PROTECTED]>, c james <[EMAIL PROTECTED]> wrote: sample = {'t':True, 'f':False} 't' in sample == True >False > >Why is this? http://docs.python.org/lib/comparisons.html "Comparisons can be chained arbitrarily; for example, x < y <= z is equivalent to x < y and y <= z,

RE: Why not a Python compiler?

> -Original Message- > From: [EMAIL PROTECTED] [mailto:python- > [EMAIL PROTECTED] On Behalf Of Grant Edwards > Sent: Friday, February 08, 2008 12:46 PM > To: python-list@python.org > Subject: Re: Why not a Python compiler? > > On 2008-02-08, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: >

Re: Dear David

On 2008-02-08, Blubaugh, David A. <[EMAIL PROTECTED]> wrote: > I have discontinued the use of ?? a long time ago. Why > is this still a problem? You're still top posting and not trimming quotes. That annoys a lot of people. -- Grant Edwards grante Yow! MERYL

Re: Why not a Python compiler?

Grant Edwards wrote: > On 2008-02-08, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > >>> the compiler could do little else except translate it to something >>> like: >>> >>> (python:add a b) >> [snip more interesting considerations about compiling python] >> >> Please get back on topic. This discu

Re: Why not a Python compiler?

On 2008-02-08, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: >> the compiler could do little else except translate it to something >> like: >> >> (python:add a b) > [snip more interesting considerations about compiling python] > > Please get back on topic. This discussion is about parsecs and > woo

RE: Dear David

Steve, I have discontinued the use of ?? a long time ago. Why is this still a problem? David -Original Message- From: Steve Holden [mailto:[EMAIL PROTECTED] Sent: Friday, February 08, 2008 10:52 AM To: python-list@python.org Subject: Re: Dear David Dan Upton wrote: > On

Re: Dear David (was: MyHDL project)

On 2008-02-08, Dan Upton <[EMAIL PROTECTED]> wrote: > I don't know, I'm inclined to agree with him. Repeatedly > replying to bash his use of grammar or punctuation is > unnecessary. Replying to the list to mock repeatedly is > doubly unnecessary. While c.l.p is exceptionally polite and tolerant

Re: Using a signal to terminate a programm running with an asyncore loop

On Feb 8, 7:04 am, Larry Bates <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > I'm developing a program that runs using an asyncore loop. Right now > > I can adequately terminate it using Control-C, but as things get > > refined I need a better way to stop it. I've developed another > >

Re: multi-Singleton-like using __new__

On Feb 8, 4:44 pm, Freek Dijkstra <[EMAIL PROTECTED]> wrote: > Is there a best practice on how to override __new__? > > I have a base class, RDFObject, which is instantiated using a unique > identifier (a URI in this case). If an object with a given identifier > already exists, I want to return the

Re: multi-Singleton-like using __new__

2008/2/8, Freek Dijkstra <[EMAIL PROTECTED]>: > Is there a best practice on how to override __new__? > > I have a base class, RDFObject, which is instantiated using a unique > identifier (a URI in this case). If an object with a given identifier > already exists, I want to return the existing ob

Re: keyword 'in' not returning a bool?

On Feb 8, 5:20 pm, "Reedick, Andrew" <[EMAIL PROTECTED]> wrote: > > -Original Message- > > From: [EMAIL PROTECTED] [mailto:python- > > [EMAIL PROTECTED] On Behalf Of c james > > Sent: Friday, February 08, 2008 12:10 PM > > To: [EMAIL PROTECTED] > > Subject: keyword 'in' not returning a bool

Re: keyword 'in' not returning a bool?

On Feb 8, 5:09 pm, c james <[EMAIL PROTECTED]> wrote: > Try this > > >>> sample = {'t':True, 'f':False} > >>> 't' in sample > True > >>> type('t' in sample) > > >>> 't' in sample == True > > False > > Why is this?  Now try>>> bool('t' in sample) == True > > True > > Can someone explain what is goi

Re: keyword 'in' not returning a bool?

"c james" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] 't' in sample == True > False It's comparison operator chaining: 't' in sample == True is like 't' == sample == True and is equivalent to 't' in sample and sample == True -- http://mail.python.org/mailman/listinfo

RE: keyword 'in' not returning a bool?

> -Original Message- > From: [EMAIL PROTECTED] [mailto:python- > [EMAIL PROTECTED] On Behalf Of c james > Sent: Friday, February 08, 2008 12:10 PM > To: python-list@python.org > Subject: keyword 'in' not returning a bool? > > Try this > > >>> sample = {'t':True, 'f':False} > >>> 't' in

Re: keyword 'in' not returning a bool?

c james wrote: > Try this > sample = {'t':True, 'f':False} 't' in sample > True type('t' in sample) > 't' in sample == True > False > > Why is this? Now try bool('t' in sample) == True > True > > Can someone explain what is going on? > Precedence. In: 't' in sample

Re: shelve.open call gives error

On Friday 08 February 2008 12:10, jim-on-linux wrote: > On Friday 08 February 2008 03:36, waltbrad > > wrote: > > Working through the Mark Lutz book > > Programming Python 3rd Edition. > > > > A couple of modules in the "Preview" > > chapter give me errors. Both on a > > shelve.open call: > > > >

Re: keyword 'in' not returning a bool?

'in' has a lower operator precedence than '==' ('t' in sample) == True would fix the operator precedence. On Feb 8, 2008 11:09 AM, c james <[EMAIL PROTECTED]> wrote: > Try this > > >>> sample = {'t':True, 'f':False} > >>> 't' in sample > True > >>> type('t' in sample) > > >>> 't' in sample ==

Re: are elements of a list in sequence in list b

[EMAIL PROTECTED] wrote: > I need to search list a for the sequence of list b def list_contains(a, b): return any(a[i:i+len(b)] == b for i in range(len(a) - len(b) + 1)) list_contains(range(1, 7), [2, 3, 4]) -- Paul Hankin -- http://mail.python.org/mailman/listinfo/python-list

keyword 'in' not returning a bool?

Try this >>> sample = {'t':True, 'f':False} >>> 't' in sample True >>> type('t' in sample) >>> 't' in sample == True False Why is this? Now try >>> bool('t' in sample) == True True Can someone explain what is going on? -- http://mail.python.org/mailman/listinfo/python-list

Re: shelve.open call gives error

On Friday 08 February 2008 03:36, waltbrad wrote: > Working through the Mark Lutz book > Programming Python 3rd Edition. > > A couple of modules in the "Preview" > chapter give me errors. Both on a > shelve.open call: > > Pretty simple code, (2nd example): from; jim-on-linux http://[EMAIL PROTEC

multi-Singleton-like using __new__

Is there a best practice on how to override __new__? I have a base class, RDFObject, which is instantiated using a unique identifier (a URI in this case). If an object with a given identifier already exists, I want to return the existing object, otherwise, I want to create a new object and add thi

Re: Why not a Python compiler?

Ryszard Szopa <[EMAIL PROTECTED]> writes: >> The main determinant of Python's performance isn't the interpreter >> overhead, but the amount of work that must be done at run-time and >> cannot be moved to compile-time or optimized away. > > Well, I am still not convinced that Python is intrinsicall

are elements of a list in sequence in list b

Hallo, I need to search list a for the sequence of list b First I went >>> a=[1,2,34,4,5,6] >>> b=[2,3,4] >>> a in b False So ''.join([ v.__str__() for v in b ]) in ''.join([ v.__str__() for v in a ]) >>> s=SomeObject() >>> a=[1,2,3,[s,3,[4,s,9]],s,4] >>> b=[3,[s,3,[4,s,9]],s,4] >>> ''.join([

Re: Microsoft's challenger to Python

On 08/02/2008, Steve Holden <[EMAIL PROTECTED]> wrote: > Daniel Fetchinson wrote: > >>> > I am not, however, an in depth language nutter, so would > >>> > appreciate any of our more learned readers comments. > > > > Maybe I'm missing the obvious here, but what does Cobra have to do > > with

NYC Python Users Meetup February Meeting Announcement....

Please pardon the PSA: The New York City Python Users Meetup Group is planning on having our February meeting on February 12th, from 6:30pm - 8:00pm. For more information, please see: http://python.meetup.com/172/calendar/7082384/ Anyone in the NYC area interested in using Python, learning m

Re: How to identify which numbers in a list are within each others' range

On Feb 8, 1:48 pm, Boris Borcic <[EMAIL PROTECTED]> wrote: > Arnaud Delobelle wrote: > > (...) > > > > > from itertools import chain > > > def overlaps(lst): > >     bounds = chain(*(((x[1],i), (x[2], i)) for i,x in enumerate(lst))) > > imho, this is a uselessly painful equivalent of > >        bou

Re: brain stuck. whats occurring here?

Ben Finney wrote: > "Mariano Suárez-Alvarez" <[EMAIL PROTECTED]> writes: > >> On Feb 7, 3:38 pm, [EMAIL PROTECTED] wrote: >>> [disclaimer dozens of lines long] >> Is this absurd signature really necessary? > > No. > > http://www.goldmark.org/jeff/stupid-disclaimers/> > "Necessary" is depend

Re: Dear David

Dan Upton wrote: > On Feb 7, 2008 8:59 PM, ajaksu <[EMAIL PROTECTED]> wrote: >> On Feb 7, 10:05 pm, "Blubaugh, David A." <[EMAIL PROTECTED]> wrote: >>> I do not understand why people such as yourself cannot construct >>> anything but insults and complaints. >> I can help with that. People asked pol

Re: OT: Star Wars and parsecs [was Re: Why not a Python compiler?]

On 2008-02-08, Dennis Lee Bieber <[EMAIL PROTECTED]> wrote: > A Parsec is a fixed value (which, admittedly, presumes the culture > developed a 360degree circle broken into degrees => minutes => > seconds... or, at least, some units compatible with the concept of an > "arc second", like 400 g

Re: How to autorun a python script when a specific user logs on?

"Wolfgang Draxinger" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > jack trades wrote: > > > Honestly I never even thought of that, it just sounded like a > > fun, and easy, > > project to put my mediocre programming skills to some use. > > However his main concern is internet predat

Re: Why not a Python compiler?

On 2008-02-07, Jeroen Ruigrok van der Werven <[EMAIL PROTECTED]> wrote: > -On [20080207 22:09], Reedick, Andrew ([EMAIL PROTECTED]) wrote: >>Errr... didn't one of the novels explain it away by describing the >>kessel run as a region of space warped by black holes or other objects? >>Bragging rights

Re: How to identify which numbers in a list are within each others' range

On Jan 31, 10:12 am, erikcw <[EMAIL PROTECTED]> wrote: > Hi, > > I have a list of numbers each with a +/- margin of error.  I need to > identify which ones overlab each other. > Here's my proposal, using arithmetic instead of sets. Looking at the problem graphically, I drew different numberlines:

Re: Why does list have no 'get' method?

> > val = BETTER foo THAN bar > > > > ;-) > > > > Cobol-strikes-back-ly yours, > > > > George > > I use a ETL language/tool that actually has a function for this kind > of thing: > > NulltoValue(value,defaultValue) > > it returns defaultValue if value is null otherwise value. even Ksh has one

Re: What do Python IDEs use for the member drop-down?

[EMAIL PROTECTED] wrote: > I realize in the new style, getattr and setattr are supposed to > reference something in a base class, but here is what I'm trying to > do: > > class tryit: > def __init__(self, a, b): > self.__dict__["a"] = a > self.__dict__["b"] = b > def __dir_

Re: Using a signal to terminate a programm running with an asyncore loop

[EMAIL PROTECTED] wrote: > I'm developing a program that runs using an asyncore loop. Right now > I can adequately terminate it using Control-C, but as things get > refined I need a better way to stop it. I've developed another > program that executes it as a child process using popen2.Popen4().

Re: Microsoft's challenger to Python

Daniel Fetchinson wrote: >>> > I am not, however, an in depth language nutter, so would >>> > appreciate any of our more learned readers comments. > > Maybe I'm missing the obvious here, but what does Cobra have to do > with Microsoft? > (Apart from being .NET oriented.) It seems it's an open so

Re: How to autorun a python script when a specific user logs on?

jack trades wrote: > Honestly I never even thought of that, it just sounded like a > fun, and easy, > project to put my mediocre programming skills to some use. > However his main concern is internet predators (too much > Dateline I think) not porn, I should > have worded it differently in the OP

Re: re question

On Feb 7, 1:47 pm, Amit Gupta <[EMAIL PROTECTED]> wrote: > On Feb 7, 10:38 am, Amit Gupta <[EMAIL PROTECTED]> wrote: > > > > > Python'ites > > > I searched around "google" to find the answer to this question, but I > > can't: > > > I have a named regexp : x = re.compile("(?P[a-z]+)") > > > What I w

Re: Time conversion between UTC and local time

-On [20080208 15:16], [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote: >What is an elegant way of getting the local time (considering DST - >daylight saving time) with that data? Perhaps using pytz might be the easiest way: http://pytz.sourceforge.net/ -- Jeroen Ruigrok van der Werven / a

Re: Why does list have no 'get' method?

On Feb 7, 4:36 pm, George Sakkis <[EMAIL PROTECTED]> wrote: > On Feb 7, 4:25 pm, Steven D'Aprano <[EMAIL PROTECTED] > > > > cybersource.com.au> wrote: > > On Thu, 07 Feb 2008 15:59:13 +0100, Wildemar Wildenburger wrote: > > > Arnaud Delobelle wrote: > > >> Personally, between > > > >> * foo if foo

Time conversion between UTC and local time

Hi all, I have the following problem: There are strings describing a UTC time, e.g. " 2008-01-15 22:32:30" and a string reflecting the time zone e.g. "-05:00". What is an elegant way of getting the local time (considering DST - daylight saving time) with that data? The date is not important, just

Re: How to identify which numbers in a list are within each others' range

Boris Borcic wrote: > Arnaud Delobelle wrote: > (...) >> >> from itertools import chain >> >> def overlaps(lst): >> bounds = chain(*(((x[1],i), (x[2], i)) for i,x in enumerate(lst))) > > imho, this is a uselessly painful equivalent of > > bounds = ((x[k],i) for i,x in enumerate(lst) for

Re: matplotlib install error

> Is thate really all of the error? It hints on a missing include, which > will be mentioned earlier. > > Diez platform: linux2 REQUIRED DEPENDENCIES numpy: 1.0.3.1 freetype2: found, but unknown version (no pkg-config) OPTIONAL BACKEND DEPENDENCIES

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