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Comments:
<0> hello. anybody in here using the eiphany browser?
<0> i need to find how to open a url in a new tab using the python console.
<0> i 've spent so many precious hours with this damn thing :(
<1> man epiphany and os.exec()?
<2> how do people typically make 'interfaces'? just make a cl*** with empty methods that throw an exception or something?
<3> is using 'index' a bad choice for an identifier?
<4> why woudl it be
<2> Cowmoo, I would think his concern would be name clashes
<4> ya
<4> it's not
<0> RandolphCarter, Wouldn't there be a a way to do this from within the python console? dir(window), for example, gives so many attributes that I have a headache.
<3> I prefer to use it e.g. for index, item in enumerate(seq): print index, item *but* was told using index as an identifier is a bad idea *but* I didn't get any further explanation... I tried searching on it but no where can I find using 'index' to be a bad identifier
<5> charles`: you mean interfaces in GObject ?
<5> charles`: uh! wrong channel, nvm
<2> ptlo, heh
<4> well ***uming you're not from module import *'ing, I think should be ok
<4> *'ing everything, that is
<1> DaHood: not entirely sure I get your meaning, but if you're aiming for epiphany only, I'm guessing you're not going for cross-platform (or even cross computer) compatibility?
<6> hm is there a lib to sort unique on lists, discarding duplicates?
<1> DaHood: I meant there's probably a command line for epiphany that'll tell it to open a tab in an existing window, and you can call it using os.exec()
<0> RandolphCarter, yes it has one. I was just wondering about its internal python functions. os.exec does it absolutely fine. Thanks
<6> er, not lib, method, ugh
<1> DaHood: ahh, okay - in that case, sorry, I've never worked with Epiphany's APIs :)
<1> Gambit-: would frozenset() do what you need? (the output list is immutable)
<1> hell, do set(list) do get a mutable one :)
<6> Uhm, na, I need the output list to be mutable. Basically I'm just trying to remove duplicates, I guess I could do that in process, but I don't see how frozenset does that...?
<2> let's say I have a method, x.blah(self), and then I do a = x.blah and then a(). What gets p***ed in for self? And if it is x, where is the reference to x stored in a?
<6> man ok the docs for frozenset don't do it a bit of justice
<1> Gambit-: this is true, there's set() if you want a mutable set
<6> RandolphCarter, list(frozenset(foo)) tosses out a list, that's peachy.
<1> that is peachy ^_^
<6> hm interseting, I don't even have to sort it.
<1> Gambit-: I'm not sure the sorting is guaraunteed for sets in python
<1> by their definition sets aren't..
<6> well a) I'm using a list, b) I don't care about the sorting, it was just an interesting side effect.
<1> ahh, okay :) was just a heads-up not to rely on it
<6> yeah, no worries :)
<0> RandolphCarter, hmm I think I have a problem with os exec... How is the following executed? ' epiphany --new-tab http://www.example.com/ '
<1> DaHood: sorry, execlp should do it os.execlp("epiphany", "--new-tab http://www.example.com";)
<0> RandolphCarter, I tried execv and execl. It opened just a new browser window. The same happens with the above line of code...
<1> I guess that's an epiphany problem :)
<2> what's wrong with this: cl*** a{ def b(): print 'a.b()'}; b = a.b; b();
<2> (substitute in proper indentation and newlines for the {'s and ;'s )
<1> charles`: 'unbound instance' error?
<7> anyone know where i could find an english dictionary for python?
<2> RandolphCarter, yeah
<0> RandolphCarter, os.execlp("epiphany", "--new-tab", "http://www.example.com/";) loaded the url I put there, but in a new window. Thanks a lot for the help so far, but I'll quit with this. this has been enough for today with the epiphany stuff...
<0> bye all
<1> charles`: you need a parameter to accept the cl***, and stick @cl***method on the line before def b
<8> I need some help, for some reason I can't remove from a list: www.agilman.org/sudoku
<8> hmm, anyone here from ALexandria ?
<9> Hi! I'm having a problem reading a file. What I'd like is a construct that allows me to read one line at a time from stdin and do something with it. I've set f = sys.stdin, and then I construct a while-loop: "while len(line = f.readline()):", but when the first line is read it says: "TypeError: len() takes no keyword arguments". What gives? Clearly, I'm a newbie. :-)
<10> hi
<9> Do I really have to do a "while (1):" and the break from inside the loop then len(line) is 0 ?
<11> shawarma, you can't do ***ignments in a while test
<11> shawarma, specifically, an ***ignment is, unlike C, a statement, and while takes an expression.
<11> arguably, there should be a do construction.
<11> but what you want is something like
<11> for line in f.readlines():
<11> process(line)
<9> f.readlines() doesn't return until it has read the entire file, does it?
<9> Or is it perhaps some sort of generator?
<9> No, it would appear not.
<9> the same seems to hold true for the "for line in f:" construct.
<10> anyone can tell me a way to check if a executable is within the path, without executing it/knowing what executable extension it has (atm only .exe or "" are possible) ?
<9> tic: Anyhow, thanks for your hints. I'll go for the "while (1):" thing and break out of it if the line read has len == 0.
<11> shawarma: "while True", you mean?
<6> hm I have two lists that I want to iterate over together, something like for i,v in left,right: ... what's the right syntax?
<11> shawarma, no parens required, while isn't a function. True and False exists in Python.
<12> gambit use zip
<9> tic: *G* Yes, of course.
<9> tic: I DO come from a C background. It clearly shows. :-)
<6> VladDrac, I have to keep them in seperate compartments, though... I thought of zip, and I don't want them into the same object.
<10> :(
<2> range can only have two arguments right?
<6> start and finish, that would maek sense to me :)
<10> it also has step-size - so u can use every n-th number only
<13> hi all
<13> is anyone here using yapps2?
<2> n/m
<13> i'm having a problem with it: at some line, it says it's looking for a set of tokens and it's pointing to one that is in that set, but somehow it doesn't see it
<12> gambit zip() will of course copy the lists into a new, combined one, it will not change the originals
<12> so I don't see what the problem is
<6> VladDrac, because my logic deals with only one list, and I'd like to walk the second list -- which may or may not exist -- in parallel. If it doesn't exist, then zip() will blank it all out. I could create an empty list of the right size, I suppose.
<14> map(None, L1, L2) will use None when L2 runs out of items
<12> I was just gonna say that :)
<6> hm well that's not what I was hoping for either, but I'll take a look.
<15> Hello, I'm wrapping a C++ library in Python using Boost.Python. The library uses a lot of libsigc++ signal variables where the application programmers can register callbacks. What is the best way to wrap this in Python?
<11> don't know, but have you looked at SWIG? I know there's callback support there.
<15> I have looked at it, it seemed to require writing interface files in some obscure language.
<11> most often you can get away without writing much.
<11> definitely less typing than boost.python.
<15> I use pyste.py, so for most files it's just "AllFromHeader("myheader.hpp")"
<11> aha.
<11> basically the same in Swig.
<11> in fact, it is, when you give the -include flag. Or you can just do an %import myheader.hpp
<16> hi there
<16> i have a simple question.. how do i compile a .py application that uses gtk?
<16> any help?
<1> Pretto: gcc it until it bleeds
<16> RandolphCarter: can you be more clear??? i am a beginner
<1> Pretto: you probably just need your platforms python bindings for gtk
<16> i am using ubuntu linux RandolphCarter
<1> Pretto: if you're using debian/ubuntu, that's python-gtk2
<1> Pretto: aptitude install python-gtk2. if it doesn't work, check the programs INSTALL file (you can't have got it from apt, or it would've fetched the gtk lib for you)
<16> RandolphCarter: i can run it... i am thinking about compilling it so no one can see my code
<17> Pretto: you cannot.
<1> Pretto: freenode probably isn't the best place to ask that?
<17> doesn't matter where you ask it; it's always fairly trivial to get the source code.
<1> you could obfuscate it into hell and back, but you can't compile it all
<16> RandolphCarter: ok.... open source stuff :)
<18> Pretto: http://twistedmatrix.com/wiki/python/PythonFaq#head-432da7b2959afaef19c6bb05e862fd9fa46ad0be
<16> thank you Chairos
<19> mm, what about applying pypy's translation process to python modules(unlikely to be trivial by any means)..
<19> Also, you could look at pyrex.
<16> thank you so much folks
<16> i gotta go
<20> bye
<19> bleh, jython doesn't do __file__, and pypy doesn't do __file__ like cpython.
<20> Hello, I searched in Google about downloading files with Python but I don't seem to find anything. Can someone refer me to a good guide/documentation/tutorial of how to do that with Python?
<21> try urllib
<20> Hello, I am sorry. I was trying something with urllib and my pc crashed (literally crashed). Anyone told me something about my question?
<4> nothing beyond trying urllib
<4> (there's also its sister urllib2)
<20> I can do the same with both?
<22> dashinho, urllib2 is much better...
<20> I guess I need to google more. I just didn't find anything about how to do that :(
<22> dashinho, urllib2.urlopen(url)
<23> so is it true that you can change a list inside a function but not a string
<23> def f(a,b): a.append('yay'); b = 'boo'
<23> c = ['yea']; d = 'foo'; f(c,d); print c; print d
<1> strings are immutable
<1> lists are mutable :)
<23> right. c++ strings are also immutable but you can replace variables
<23> and if everything is p***ed by referrence in python...
<23> see what i'm saying?
<1> but if a string is immutable, and it's p***ed by reference, when you try to change it you make a copy
<1> which is local to the function
<23> so i could just use a length one list. is that considered evil
<1> can you not return the value?
<23> i can but it actually seems non-sensical to do so, if i'm not returning some lists and other things i change in the function
<23> seems like python couldn't decide if it wanted to be side-effects-less or not :)
<19> dancor: nah, it's very "side-effecty" ;) immutable strings and tuples were probably made for different reasons than making the language more side-effects-less.
<22> dancor, not exactly p***ed by reference... "p*** by name" fits better
<23> jwp: true. i think they have to be to be dictionary keys
<19> there's an array module that provides "mutable strings". However, unresizeable, iirc.
<23> werneck: yeah, i guess that's the surprising part of python to me
<22> c++ you can replace the variables, but in python there are no "variables" in this sense, storing values... just names for objects...
<23> i just run into an interesting situation when i have a function that changes a bunch of list variables, and then i want to add a string to it.
<23> to the variable list i mean.
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