Re: Why GIL? (was Re: what's the point of rpython?)

On Jan 23, 11:45 pm, Bryan Olson wrote: > Carl Banks wrote: > > Classes in Python are mutable types, usually.  Class instances are > > (except for the refcount) immutable objects, usually. > > There's where we disagree. I assert that class instances are usually > mutable objects. Nope, you're dea

Re: Two import questions in Python 3.0

En Sat, 24 Jan 2009 05:24:15 -0200, Kay Schluehr escribió: 1. I'd expected that absolute imports are used in Python 3.0 by default. I may be wrong. I've written two versions of a module sucks.py sucks.py - print ("import from lib.sucks") sucks.py - print ("import fro

Re: Why GIL?

Carl Banks writes: > On Jan 23, 11:45 pm, Bryan Olson wrote: >> Carl Banks wrote: >> > Classes in Python are mutable types, usually.  Class instances are >> > (except for the refcount) immutable objects, usually. >> >> There's where we disagree. I assert that class instances are usually >> mutab

Re: Why GIL? (was Re: what's the point of rpython?)

En Sat, 24 Jan 2009 06:06:02 -0200, Carl Banks escribió: On Jan 23, 11:45 pm, Bryan Olson wrote: Carl Banks wrote: > Classes in Python are mutable types, usually.  Class instances are > (except for the refcount) immutable objects, usually. There's where we disagree. I assert that class insta

Re: Stalled ticket in Python bug tracker

Steven D'Aprano wrote: > I'm interested in this ticket in the bug tracker: > > http://bugs.python.org/issue2527 > > but it seems to have been stalled for nine months. Is there a procedure > for starting it up again? Should I ask about it on the python-dev mailing > list, or just wait until someb

Re: Why GIL?

Hrvoje Niksic writes: > Not only registered at the beginning of the function, but also (since > CPython uses C, not C++) explicitly unregistered at every point of > exit from the function. Emacs implements these as macros called GCPRO > and UNGCPRO, and they're very easy to get wrong. In a way,

Web authentication urllib2

Hello, I'm new in Python and i would like to write script which need to login to a website. I'm experimenting with urllib2, especially with something like this: opener = urllib2.build_opener(urllib2.HTTPCookieProcessor()) urllib2.install_opener(opener) params = urllib.urlencode(di

Re: strange error whilst porting to 2.6

Benjamin Peterson wrote: > Robin Becker NOSPAMreportlab.com> writes: >> Well that's not really acceptable as a solution is it? :) > > This doesn't happen in Python 3.0, > so you could port to that. :) > > In 2.7, the better recursion depth > handling > in Py3k may be backported,but the > best yo

Re: Relax Syntax for Augmented Arithmetic?

Aahz wrote: > In article , > Steve Holden wrote: >> I understand what you are saying, but if the id() associated with a name >> doesn't change after augmented assignment it seems a little wrong-headed >> to argue that "the augmented assignment always binds a new value to the >> name". >> >> What

Re: is None vs. == None

Steven D'Aprano wrote: > On Fri, 23 Jan 2009 20:33:45 -0500, Steve Holden wrote: > >> Steven D'Aprano wrote: >>> On Fri, 23 Jan 2009 14:58:34 -0500, Gerald Britton wrote: >>> Hi -- Some time ago I ran across a comment recommending using is None instead of == None (also is not None, et

Re: Two import questions in Python 3.0

On 24 Jan., 09:21, "Gabriel Genellina" wrote: > If you run A.py as a script, it does not "know" it lives inside a package. > You must *import* A for it to become aware of the package. > Also, the directory containing the script comes earlier than PYTHONPATH > entries in sys.path -- so watch for t

Re: strange error whilst porting to 2.6

Steve Holden wrote: Benjamin Peterson wrote: Robin Becker NOSPAMreportlab.com> writes: Well that's not really acceptable as a solution is it? :) This doesn't happen in Python 3.0, so you could port to that. :) my initial attempts in this direction were even less successful :( Pe

Re: Web authentication urllib2

En Sat, 24 Jan 2009 06:52:57 -0200, Gabriel escribió: I'm new in Python and i would like to write script which need to login to a website. I'm experimenting with urllib2, especially with something like this: opener = urllib2.build_opener(urllib2.HTTPCookieProcessor()) urllib2.insta

Re: Why GIL? (was Re: what's the point of rpython?)

Carl Banks wrote: > On Jan 23, 8:22 pm, Bryan Olson wrote: >> Paul Rubin wrote: >>> Bryan Olson writes: > BTW, class instances are usually immutable and thus don't require a > mutex in the system I described. Then you are describing a language radically different from Python. >>> That

Re: Web authentication urllib2

Gabriel wrote: > Hello, > > I'm new in Python and i would like to write script which need to login > to a website. I'm experimenting with urllib2, > especially with something like this: > > opener = urllib2.build_opener(urllib2.HTTPCookieProcessor()) > urllib2.install_opener(opener) > >

Re: The First Law Of comp.lang.python Dynamics

"Martin P. Hellwig" wrote: > Or you can argue that even when an argument is repeated indefinitely it > doesn't make it suddenly right. This is no good. It's a well known fact that anything I tell you three times is true. To demonstrate: Tim Rowe's post earlier in this thread was the funniest

Re: Does Python really follow its philosophy of "Readability counts"?

On Fri, 23 Jan 2009 21:36:59 -0500, Luis Zarrabeitia wrote: > Quoting Steven D'Aprano : > >> On Fri, 23 Jan 2009 13:07:55 -0500, Luis Zarrabeitia wrote: >> >> > It should be in _our_ power as the team of all participant coders on >> > _our_ project to decide if we should mess with the internals

Re: About SCons Re: progress: compiling python2.5 under msys (specifically but not exclusively under wine) with msvcr80

On Sat, Jan 24, 2009 at 12:28 AM, Roumen Petrov >> >> I would better use SCons for both unix and windows builds. In case of >> windows for both compilers - mingw and microsoft ones. To port curses >> extension to windows I need to know what gcc options mean, what are >> the rules to write Makefiles

Re: Web authentication urllib2

First, thank you both I think this isn't basic auth, because this page has form login. I read site's html source and used wireshark to analyze communication between my browser and website and i really find out that a was ignoring one field I added it to the parameters but it didn't help.. May

Re: Web authentication urllib2

Oh, nevermind, it's working. Thanks Gabriel wrote: First, thank you both I think this isn't basic auth, because this page has form login. I read site's html source and used wireshark to analyze communication between my browser and website and i really find out that a was ignoring one field

Re: A java hobbyist programmer learning python

On Jan 23, 8:57 am, Dennis Lee Bieber wrote: > On Fri, 23 Jan 2009 01:48:32 -0800 (PST), TheFlyingDutchman > declaimed the following in comp.lang.python: > > > abstraction. In Python, all class attributes are public but names may > > be "mangled" to discourage unauthorized access, but otherwise n

Re: Web authentication urllib2

Gabriel wrote: > First, thank you both > > I think this isn't basic auth, because this page has form login. > I read site's html source and used wireshark to analyze communication > between my browser and website and i really find out that a was ignoring > one field > > I added it to the paramete

Porting 3.0 to 2.6 - from __future__ import super missing?

Hi, I have some 3.0 code, which I would like to make work with 2.6. However, there does not seem to be support for the new super() (no args) via __future__. Is that correct? If so, what's the best way to handle this? Thanks, Andrew -- http://mail.python.org/mailman/listinfo/python-list

Re: Web authentication urllib2

Yep, i realize this a minute after posting, sorry. And thank you again .) Steve Holden wrote: Gabriel wrote: First, thank you both I think this isn't basic auth, because this page has form login. I read site's html source and used wireshark to analyze communication between my browser and webs

What's the business with the asterisk?

Hello everyone, From time to time I spot an asterisk (*) used in the Python code _outside_ the usual *args or **kwargs application. E.g. here: http://www.norvig.com/python-lisp.html def transpose (m): return zip(*m) >>> transpose([[1,2,3], [4,5,6]]) [(1, 4), (2, 5), (3, 6)] What does *m me

Re: What's the business with the asterisk?

From time to time I spot an asterisk (*) used in the Python code _outside_ the usual *args or **kwargs application. E.g. here: http://www.norvig.com/python-lisp.html def transpose (m): return zip(*m) >>> transpose([[1,2,3], [4,5,6]]) [(1, 4), (2, 5), (3, 6)] What does *m mean in this exam

pygccxml xml output file

Hi all, I start to use this module in order to produce xml( and the make other things), but differently from gccxml I don't find the variable that set the name of the xml output file after the parsing (in gccxml is - fxml), so it creates temporary files. how can I do an Is there a tutorial that exp

Re: Porting 3.0 to 2.6 - from __future__ import super missing?

andrew cooke acooke.org> writes: > > Hi, > > I have some 3.0 code, which I would like to make work with 2.6. > However, there does not seem to be support for the new super() (no > args) via __future__. Is that correct? If so, what's the best way to > handle this? Just use the two argument su

Re: What's the business with the asterisk?

On 24 Jan., 13:31, mk wrote: > Hello everyone, > >  From time to time I spot an asterisk (*) used in the Python code > _outside_ the usual *args or **kwargs application. > > E.g. here:http://www.norvig.com/python-lisp.html > > def transpose (m): >    return zip(*m) >  >>> transpose([[1,2,3], [4,5,

Re: What is intvar?

W. eWatson wrote: r wrote: here is a good explanation of control vars: http://infohost.nmt.edu/tcc/help/pubs/tkinter/control-variables.html Here are 3 great Tkinter refernces in order: http://infohost.nmt.edu/tcc/help/pubs/tkinter/ http://effbot.org/tkinterbook/ http://www.pythonware.com/librar

Re: Porting 3.0 to 2.6 - from __future__ import super missing?

On Jan 24, 10:39 am, Benjamin Peterson wrote: > andrew cooke acooke.org> writes: > > > > > Hi, > > > I have some 3.0 code, which I would like to make work with 2.6. > > However, there does not seem to be support for the new super() (no > > args) via __future__.  Is that correct?  If so, what's th

Re: OCaml, Language syntax, and Proof Systems

On Fri, Jan 23, 2009 at 6:16 PM, Xah Lee wrote: > The haskell tutorials you can find online are the most mothefucking > stupid unreadable fuck. The Haskll community is almost stupid. What > they talk all day is about monads, currying, linder myer fuck type. > That's what they talk about all day. A

Re: Counter Class -- Bag/Multiset

On Thu, 22 Jan 2009 10:11:37 -0800 (PST) Raymond Hettinger wrote: > The collections module in Python 2.7 and Python 3.1 has gotten a new > Counter class that works like bags and multisets in other languages. I like that! Now that we have a multiset or Counter I think a redefinition of itertools.

Doc for extended call syntax; was: Re: unzip array of arrays?

Tobiah wrote: Where can I read about this mysterious use of the '*'? Hmmm... that's a harder question than I thought. Am I missing it, or does Python's doc need a write-up of the extended call syntax? It only works in the context of the zip() function. It's hard to understand how the inter

Re: Mathematica 7 compares to other languages

On Jan 21, 1:06 pm, "soul.mirr...@gmail.com" wrote: > On Dec 4 2008, 5:11 am, Andreas Waldenburger > wrote: > > I vaguely remember you plonking [Xah Lee] before. Did you unplonk him in > > the meantime? Or was that just a figure of speech? > > > teasingly yours, > > /W > > Andreas Waldenburger, I

understanding nested lists?

I have a short peace of code that is not doing what I expect. when I assign a value to a list in a list alist[2][4]=z this seems replace all the 4 elements in all the sub lists. I assume it is supposed to but this is not what I expect. How would I assign a value to the 4th element in the 2nd sublis

String comparision

Hi all, I am developing spell checker for my local language(tamil) using python. I need to generate alternative word list for a miss-spelled word from the dictionary of words.The alternatives must be as much as closer to the miss-spelled word.As we know, ordinary string comparison wont work here .

practical limits of urlopen()

Hi, Am I going to have problems if I use urlopen() in a loop to get data from 3000+ URLs? There will be about 2KB of data on average at each URL. I will probably run the script about twice per day. Data from each URL will be saved to my database. I'm asking because I've never opened that many

Re: Porting 3.0 to 2.6 - from __future__ import super missing?

andrew cooke acooke.org> writes: > Unfortunately, "metaclass=" is a syntax error in 2.6 so the following > still fails: > > from sys import version > > if version.startswith('2.'): > class Matcher(): > pass > else: > class Matcher(metaclass=ABCMeta): > pass I would sugge

Re: Web authentication urllib2

Gabriel wrote: > Yep, i realize this a minute after posting, sorry. > > And thank you again .) > A pleasure. Next time, you might consider posting an explanation along with the "it's working now" message, just to give closure to the thread for anyone who ends up reading it later after a search.

Re: understanding nested lists?

Vincent Davis wrote: > I have a short peace of code that is not doing what I expect. when I > assign a value to a list in a list alist[2][4]=z this seems replace all > the 4 elements in all the sub lists. I assume it is supposed to but this > is not what I expect. How would I assign a value to the

Re: understanding nested lists?

vinc...@vincentdavis.net wrote: I have a short peace of code that is not doing what I expect. when I assign a value to a list in a list alist[2][4]=z this seems replace all the 4 elements in all the sub lists. I assume it is supposed to but this is not what I expect. How would I assign a value

Re: Two import questions in Python 3.0

Kay Schluehr wrote: On 24 Jan., 09:21, "Gabriel Genellina" wrote: If you run A.py as a script, it does not "know" it lives inside a package. You must *import* A for it to become aware of the package. Also, the directory containing the script comes earlier than PYTHONPATH entries in sys.path --

Re: practical limits of urlopen()

webcomm wrote: > Hi, > > Am I going to have problems if I use urlopen() in a loop to get data > from 3000+ URLs? There will be about 2KB of data on average at each > URL. I will probably run the script about twice per day. Data from > each URL will be saved to my database. > > I'm asking becau

RegEx issues

Using python 2.4.4 on OpenSolaris 2008.11 I have the following string created by opening a url that has the following string in it: td[ct] = [[ ... ]];\r\n The ... above is what I'm interested in extracting which is really a whole bunch of text. So I think the regex \[\[(.*)\]\]; should do it.

Parsing a string into a datetime object

Good day. Might someone comment on why %f is not accepted as a valid field directive in: >>> from datetime import datetime >>> created="2009-01-24 16:04:55.882788" >>> dt = datetime.strptime(created,"%Y-%m-%d %H:%M:%S.%f") Traceback (most recent call last): File "", line 1, in File "/System/

Re: RegEx issues

"Sean Brown" wrote in message news:glflaj$qr...@nntp.motzarella.org... Using python 2.4.4 on OpenSolaris 2008.11 I have the following string created by opening a url that has the following string in it: td[ct] = [[ ... ]];\r\n The ... above is what I'm interested in extracting which is rea

Re: What is intvar?

W. eWatson wrote: > W. eWatson wrote: >> r wrote: >>> here is a good explanation of control vars: >>> http://infohost.nmt.edu/tcc/help/pubs/tkinter/control-variables.html >>> >>> Here are 3 great Tkinter refernces in order: >>> http://infohost.nmt.edu/tcc/help/pubs/tkinter/ >>> http://effbot.org/tk

Re: Web authentication urllib2

Gabriel wrote: Yep, i realize this a minute after posting, sorry. And thank you again .) Steve Holden wrote: ... I'll offer a couple of pointers about what we all expect here. Please treat this as advice, not a shout of disapproval. (1) Do not top post (put your response above the previous i

Re: Doc for extended call syntax; was: Re: unzip array of arrays?

Bryan Olson wrote: > Tobiah wrote: >> Where can I read about >> this mysterious use of the '*'? > > Hmmm... that's a harder question than I thought. Am I missing it, or > does Python's doc need a write-up of the extended call syntax? > No, you aren't mistaken. Looking at the "*" symbol in the 2.6

Re: Parsing a string into a datetime object

Mark.Petrovic wrote: > Good day. > > Might someone comment on why %f is not accepted as a valid field > directive in: > from datetime import datetime created="2009-01-24 16:04:55.882788" dt = datetime.strptime(created,"%Y-%m-%d %H:%M:%S.%f") > Traceback (most recent call last): >

Re: RegEx issues

Mark Tolonen wrote: > > "Sean Brown" wrote in message > news:glflaj$qr...@nntp.motzarella.org... >> Using python 2.4.4 on OpenSolaris 2008.11 >> >> I have the following string created by opening a url that has the >> following string in it: >> >> td[ct] = [[ ... ]];\r\n >> >> The ... above is wh

Byte oriented data types in python

I have following packet format which I have to send over Bluetooth. packet_type (1 byte unsigned) || packet_length (1 byte unsigned) || packet_data(variable) How to construct these using python data types, as int and float have no limits and their sizes are not well defined. -- http://mail.python

Re: RegEx issues

Sean Brown wrote: > The problem is it appears that python is escaping the \ in the regex > because I see this: > >>>reg = '\[\[(.*)\]\];' The first trick of working with regexes in Python is to *always* use raw strings. Instead of reg = '\[\[(.*)\]\];' you want reg = r'\[\[(.*)\]\];' In th

Re: RegEx issues

Sean Brown wrote: I have the following string ...: "td[ct] = [[ ... ]];\r\n" The ... (representing text in the string) is what I'm extracting So I think the regex \[\[(.*)\]\]; should do it. The problem is it appears that python is escaping the \ in the regex because I see this: reg = '\[\

Re: Porting 3.0 to 2.6 - from __future__ import super missing?

On Jan 24, 2:32 pm, Benjamin Peterson wrote: > I would suggest that you use the 2.6 syntax, and run "2to3 -f metaclass" on > your > code. (ABCs have been backported to 2.6.) Thanks - with that hint I found this - http://mikewatkins.ca/2008/11/29/python-2-and-3-metaclasses/#using-the-metaclass-in

TEST=`which test` equivalent in python?

Hi, Kindly help. import sys, os, string *SVNLOOK_PATH=os.system('which svnlook')* def main(repos, txn): svnlook_cmd = '%s log -t "%s" "%s"' % (*SVNLOOK_PATH*, txn, repos) check_msg = os.popen(svnlook_cmd, 'r').readline().rstrip('\n') if len(check_msg) < 10: sys.stderr.write

Re: Parsing a string into a datetime object

"Mark.Petrovic" writes: > Might someone comment on why %f is not accepted as a valid field > directive in: > from datetime import datetime created="2009-01-24 16:04:55.882788" dt = datetime.strptime(created,"%Y-%m-%d %H:%M:%S.%f") > Traceback (most recent call last): > File "", l

Re: Byte oriented data types in python

I have following packet format which I have to send over Bluetooth. > > packet_type (1 byte unsigned) || packet_length (1 byte unsigned) || > packet_data(variable) > > How to construct these using python data types, as int and float have > no limits and their sizes are not well defined. Check out

Re: TEST=`which test` equivalent in python?

On Sat, Jan 24, 2009 at 2:03 PM, Jay Jesus Amorin wrote: > Hi, > > Kindly help. > > import sys, os, string > > *SVNLOOK_PATH=os.system('which svnlook')* Read the docs on os.system. It returns the program's return code, not the child processes stdout. Use the subprocess module. > > > def main(re

Re: RegEx issues

Roy Smith wrote: [snip] Another trick when you're not 100% what you're looking at is to explode the string like this: [c for c in reg] > ['\\', '[', '\\', '[', '(', '.', '*', ')', '\\', ']', '\\', ']', ';'] > A shorter way is list(reg). -- http://mail.python.org/mailman/listinfo/python-lis

Re: ossaudiodev problem: sawtooth noise

On Fri, 23 Jan 2009 14:55:36 -0200, Gabriel Genellina wrote: > En Fri, 23 Jan 2009 14:36:46 -0200, Peter Pearson > escribió: >> On Thu, 22 Jan 2009 20:58:14 -0200, Gabriel Genellina wrote: >>> En Mon, 19 Jan 2009 21:57:04 -0200, Peter Pearson >>> escribió: >>> The following code uses ossaud

Re: Byte oriented data types in python

> packet_type (1 byte unsigned) || packet_length (1 byte unsigned) || > packet_data(variable) > > How to construct these using python data types, as int and float have > no limits and their sizes are not well defined. In Python 2.x, use the regular string type: chr(n) will create a single byte, a

Re: Byte oriented data types in python

Ravi> packet_type (1 byte unsigned) || packet_length (1 byte unsigned) || Ravi> packet_data(variable) Ravi> How to construct these using python data types, as int and float have Ravi> no limits and their sizes are not well defined. Take a look at the struct and ctypes modules. -

MaxInt on Vista-64bit?

Hi! I downloaded Python64 for Windows Vista64 but the value returned from sys.maxint is just a 32bit integer. I found out, thats by design, Microsoft decided to make the long value 32bit. What can I do to compile python 2.6 with maxint of 64bit integers? Can I replace the int values to a int64 va

Re: understanding nested lists?

Thanks for the info. I did not know that. Thanks Vincent Davis On Sat, Jan 24, 2009 at 10:46 AM, Steve Holden wrote: > Vincent Davis wrote: > > I have a short peace of code that is not doing what I expect. when I > > assign a value to a list in a list alist[2][4]=z this seems replace all > > t

Re: Why GIL? (was Re: what's the point of rpython?)

On Jan 24, 12:40 am, "Gabriel Genellina" wrote: > En Sat, 24 Jan 2009 06:06:02 -0200, Carl Banks   > escribió: > > > > > On Jan 23, 11:45 pm, Bryan Olson wrote: > >> Carl Banks wrote: > >> > Classes in Python are mutable types, usually.  Class instances are > >> > (except for the refcount) immut

Re: MaxInt on Vista-64bit?

> I downloaded Python64 for Windows Vista64 but the value returned from > sys.maxint is just a 32bit integer. I found out, thats by design, > Microsoft decided to make the long value 32bit. What can I do to > compile python 2.6 with maxint of 64bit integers? At a minimum, you need to change ob_iva

Re: MaxInt on Vista-64bit?

Hi! Thanks for the fast answer. Yes, its enough but I never thought that Vista64 is not a real 64-bit operating system :-o. -- http://mail.python.org/mailman/listinfo/python-list

Regex for Python 2.7

Some time ago I discovered this difference between regular expressions in Python and Perl: Python \A matches at start of string \Z matches at end of string Perl \A matches at start of string \Z matches before terminal newline or at end of string \z match

Re: Why GIL?

On Jan 24, 12:33 am, Hrvoje Niksic wrote: > Carl Banks writes: > > Anyway, all you're doing is distracting attention from my claim that > > instance objects wouldn't need to be locked.  They wouldn't, no > > matter how mutable you insist these objects whose bits would never > > change are. > > On

Re: Why GIL?

On Jan 24, 12:24 pm, Carl Banks wrote: > On Jan 24, 12:33 am, Hrvoje Niksic wrote: > > > Carl Banks writes: > > > Anyway, all you're doing is distracting attention from my claim that > > > instance objects wouldn't need to be locked.  They wouldn't, no > > > matter how mutable you insist these o

Re: Why GIL? (was Re: what's the point of rpython?)

On Jan 24, 12:05 pm, Carl Banks wrote: > The default metatype for Python classes would be > mutable_dict_type, which is a type wherein the object itself would be > mutable but it would still have all the mutator methods __init__, > __setattr__, etc., but they could only act on the __dict__. Not

Re: Dynamic methods and lambda functions

unine...@gmail.com wrote: > The attributes are right, but the getter are not working. The problem > is that the lambda function always execute the last parameter passed > for all instances of the methods. How could it be done the right way? Basically, don't use a lambda. Create a real, local clos

Re: Is there anyway Vpython and pyODE can be made to work with newer versions of Python 2.6.1 etc. without a lot of changes to source code?

Casey Hawthorne wrote: Is there anyway Vpython and pyODE can be made to work with newer versions of Python 2.6.1 etc. without a lot of changes to source code? I suppose I'm thinking of an extra layer of indirection, which might slow things down to much. Aren't this just Python libraries that i

Re: I'm a python addict !

On Fri, 23 Jan 2009 19:58:09 -0700, Linuxguy123 wrote: > I just started using python last week and I'm addicted. you need to try this: import antigravity http://xkcd.com/353/ -- http://mail.python.org/mailman/listinfo/python-list

Possible to slice a string with unpacked tuple?

Is there a way to slice a string with a tuple without unpacking the tuple? >>> myString = "111-222-333-444" >>> myString[ 4: 7 ] '222' Is there some way I could perform an identical slicing operation with a tuple like ( 4, 7 ) without having to unpack the tuple? >>> myTuple = ( 4, 7 ) Thanks! Malco

Re: Possible to slice a string with unpacked tuple?

On Sat, Jan 24, 2009 at 5:31 PM, wrote: > Is there a way to slice a string with a tuple without unpacking the tuple? > > >>> myString = "111-222-333-444" > >>> myString[ 4: 7 ] > '222' > > Is there some way I could perform an identical slicing operation with a > tuple like ( 4, 7 ) without havin

Re: I'm a python addict !

On Sat, Jan 24, 2009 at 5:35 PM, Lie Ryan wrote: > On Fri, 23 Jan 2009 19:58:09 -0700, Linuxguy123 wrote: > > > I just started using python last week and I'm addicted. > > you need to try this: > > import antigravity > > http://xkcd.com/353/ > Just be careful with that. That guy was still floati

Re: Possible to slice a string with unpacked tuple?

pyt...@bdurham.com wrote: Is there a way to slice a string with a tuple without unpacking the tuple? >>> myString = "111-222-333-444" >>> myString[ 4: 7 ] '222' Is there some way I could perform an identical slicing operation with a tuple like ( 4, 7 ) without having to unpack the tuple?

Re: Possible to slice a string with unpacked tuple?

Benjamin, > Use the built-in slice. Perfect!! That's exactly what I was looking for - I didn't know this object existed. > What's wrong with unpacking the tuple? I'm extracting fields from a huge, multi-gig log file. I was trying to avoid doing something like myString[ myTuple[ 0 ]: myTuple[ 1 ] )

Re: Possible to slice a string with unpacked tuple?

MRAB, > Does myString[myTuple[0] : myTuple[1]] count as unpacking? I'm not sure my use of the term 'unpacking' was totally correct, but, yes, that's what I was hoping to avoid with a simpler solution. > then how about myString.__getslice__(*myTuple)? Very interesting. I'm going to try Ben's s

Is (-1 ==True) True or False? Neither

Hi all, I ran into a strange case. Python 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC v.1310 32 bit (Intel)] on win32 ... >>> -1 == True False >>> -1 == False False This works though: >>> if -1:     print "OK" OK After some head scratching, I realized that: - bool is a subclass of int and

Re: TEST=`which test` equivalent in python?

En Sat, 24 Jan 2009 17:03:33 -0200, Jay Jesus Amorin escribió: *SVNLOOK_PATH=os.system('which svnlook')* You've been told what's wrong with that. But instead of fixing how to invoke "which", use distutils.spawn.find_executable instead: py> from distutils.spawn import find_executable py>

Can webbrowser module get source code?

Hi All, I played the demo of webbrowser module, with the code below: import webbrowser url = 'https://login.yahoo.com' webbrowser.open_new_tab(url) when I ran the code, it popped out a webpage nicely. I want to go further: to get the source code of the webpage being displayed. Is it possible to

why is this invalid b = a += b ?

hello, I can assign a value to more than 1 variable (name) in one line: a = b = 3 So evaluation of this line must start at the right part. But the following is not allowed: b = 2 a = b += 1 I would think that if b has a value, and the formula is evaluated from right to left, there's nothing

Re: Regex for Python 2.7

En Sat, 24 Jan 2009 18:23:51 -0200, MRAB escribió: Some time ago I discovered this difference between regular expressions in Python and Perl: Python \A matches at start of string \Z matches at end of string Perl \A matches at start of string \Z matches befo

Re: I'm a python addict !

Benjamin Kaplan wrote: On Sat, Jan 24, 2009 at 5:35 PM, Lie Ryan > wrote: On Fri, 23 Jan 2009 19:58:09 -0700, Linuxguy123 wrote: > I just started using python last week and I'm addicted. you need to try this: import antigravity http://xkcd.c

Re: why is this invalid b = a += b ?

Stef Mientki wrote: hello, I can assign a value to more than 1 variable (name) in one line: a = b = 3 So evaluation of this line must start at the right part. But the following is not allowed: b = 2 a = b += 1 I would think that if b has a value, and the formula is evaluated from right to l

Re: Regex for Python 2.7

Gabriel Genellina wrote: > En Sat, 24 Jan 2009 18:23:51 -0200, MRAB > escribió: > >> Some time ago I discovered this difference between regular expressions >> in Python and Perl: >> >> Python >> >> \A matches at start of string >> \Z matches at end of string >> >> Perl >> >> \A matche

Re: I'm a python addict !

Terry Reedy wrote: Benjamin Kaplan wrote: On Sat, Jan 24, 2009 at 5:35 PM, Lie Ryan > wrote: On Fri, 23 Jan 2009 19:58:09 -0700, Linuxguy123 wrote: > I just started using python last week and I'm addicted. you need to try this: import antigravit

Re: Is (-1 ==True) True or False? Neither

On 2009-01-24 17:00, oktaysa...@superonline.com wrote: Hi all, I ran into a strange case. Python 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC v.1310 32 bit (Intel)] on win32 ... >>> -1 == True False >>> -1 == False False This works though: >>> if -1: print "OK" OK After some head scratc

Re: I'm a python addict !

On 2009-01-23 22:25, Aahz wrote: In article, Linuxguy123 wrote: I just started using python last week and I'm addicted. Welcome! Just be aware that excessive Perl-bashing is considered somewhat tasteless on this newsgroup, but the occasional snide comment should be fine. ;-) Or bash-bashi

Re: Can webbrowser module get source code?

Muddy Coder yahoo.com> writes: > I want to go > further: to get the source code of the webpage being displayed. Is it > possible to do it? I tried webbrow.get() but didn't work. Somebody can > help? Thanks! To do this, you actually need to fetch the page yourself: import urllib2 page_source = ur

Re: RegEx issues

On Jan 25, 5:59 am, Scott David Daniels wrote: > Sean Brown wrote: > > I have the following string ...:  "td[ct] = [[ ... ]];\r\n" > > The ... (representing text in the string) is what I'm extracting > > So I think the regex \[\[(.*)\]\]; should do it. > > The problem is it appears that pytho

Re: why is this invalid b = a += b ?

Stef Mientki wrote: hello, I can assign a value to more than 1 variable (name) in one line: a = b = 3 So evaluation of this line must start at the right part. But the following is not allowed: b = 2 a = b += 1 This strikes me as slightly incoherent. Given that v op=exp is mostly that sam

Re: Possible to slice a string with unpacked tuple?

MRAB mrabarnett.plus.com> writes: > Does myString[myTuple[0] : myTuple[1]] count as unpacking? If it does, > then how about myString.__getslice__(*myTuple)? Please don't use special method names directly and especially not __getslice__(). It's deprecated and will be removed. -- http://mail.p

Re: Regex for Python 2.7

On Jan 25, 7:23 am, MRAB wrote: > Some time ago I discovered this difference between regular expressions > in Python and Perl: > > Python > >         \A matches at start of string >         \Z matches at end of string > > Perl > >         \A matches at start of string >         \Z matches before t

Re: Parsing a string into a datetime object

On Jan 24, 10:56 am, Hrvoje Niksic wrote: > "Mark.Petrovic" writes: > > Might someone comment on why %f is not accepted as a valid field > > directive in: > > from datetime import datetime > created="2009-01-24 16:04:55.882788" > dt = datetime.strptime(created,"%Y-%m-%d %H:%M:%S.%f

Re: I'm a python addict !

On Jan 24, 4:03 pm, Robert Kern wrote: > On 2009-01-23 22:25, Aahz wrote: > > > In article, > > Linuxguy123  wrote: > >> I just started using python last week and I'm addicted. > > > Welcome!  Just be aware that excessive Perl-bashing is considered > > somewhat tasteless on this newsgroup, but the

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