Hi :)
First of all, I must apologize for my poor english :)
I'm starting with python and pygame and for testing (and learning)
purposes I wrote an small "Map Editor" for a small game project I'm
going to start next month.
The tilemap editor is working fine, but reading Guido's Van Rossum
PY
Is there a way to check the REAL size in memory of a python object?
Something like
> print sizeof(mylist)
or
> print sizeof(myclass_object)
or something like that ...
Thanks.
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> > This is how I create the tilemap (and the clipboard, a copy of my
> > tilemap):
>
> > def __init__( self, bw, bh, tiles ):
> > self.tilemap = []
> > (...)
> > for i in range(bh):
> > self.tilemap.append([0] * bw)
>def __init__( self, bw, bh, tiles ):
>
On 9 ene, 17:48, John <[EMAIL PROTECTED]> wrote:
> i want to print something like:
>
> (1sec) working...
> (2sec) working
> (3sec) working.
>
> where the 'working' line isn't being printed each second, but the dots
> are being added with time.
>
> something like:
>
> import time
> s = '.'
>
> C:\> \python25\python -m -s
:-)
Thanks a lot :-)
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> Would you care to precisely define "REAL size" first? Consider:
>
> >>> atuple = (1, 2)
> >>> mylist = [(0, 0), atuple]
>
> Should sizeof(mylist) include sizeof(atuple) ?
No, I'm talking about "simple" lists, without REFERENCES to another
objects into it.
I mean:
lists = [ 0, 1, 2, 3, 4, (1
> > - Speed Performance: Do you think that changing from list to Array()
> > would improve speed? I'm going to do lots of tilemap[y][x] checks (I
> > mean, player jumping around the screen, checking if it's falling over
> > a non-zero tile, and so).
> First of all: if you have enough memory to use
Hi ...
I have the following DNS MX records info:
domain.com
preference 10 host mx1.domain.com
preference 30 host anotherhost.domain.com
preference 20 host mx2.domain.com
I'm storing this info in 2 lists:
preferences = [10, 30, 20]
hosts = [ "mx1.domain.com", "anotherhost.domain.com",
"mx2.d
Hi...
I'm a Linux user, and I would like some windows-friends to test a
game I'm writing with python+pygame without they needing to install
python, pygame, and so on.
I've heard about py2exe and pygame2exe, but I'm not sure on how to
use them to create:
a.- standalone exe files with a single
Thanks all for the answers ... I'll use a tuple as you said :)
Anyway, is interesting to know how to sort 2 lists when you dont want
to use tuples, so thanks also to Peter :)
> Then one have to split the list twice.Given the list is large,it's maybe
> not good for performance.Is it a more effe
> Look at this -- from Python 2.5.1:
>
> >>> a = [1, 2, 3, 4, 5]
> >>> for x in a:
> ... if x == 3:
> ... a.remove(x)
> ... print x
Well ... you could use:
>>> for i in range(len(a)-1, -1, -1):
...print a[i]
...if a[i] == 3: del a[i]
...
5
4
3
2
1
>>> print a
[1, 2, 4, 5]
> how about
>
> >>> li = [1,2,3,4,5]
> >>> filter(lambda x: x != 3, li)
> [1, 2, 4, 5]
I haven't measured it, but this should be the fast solution in all
the thread ...
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On 30 ene, 08:09, Paul Rubin <http://[EMAIL PROTECTED]> wrote:
> Santiago Romero <[EMAIL PROTECTED]> writes:
>
> > > >>> li = [1,2,3,4,5]
> > > >>> filter(lambda x: x != 3, li)
> > > [1, 2, 4, 5]
>
> > I haven&#
( Surely if this question has been asked for a zillion of times... )
( and sorry for my english! )
I'm impressed with python. I'm very happy with the language and I
find Python+Pygame a very powerful and productive way of writing 2D
games. I'm not, at this moment, worried about execution speed
Hi...
I'm trying to guess how to access attributes of an existing object
given the attribute name in a string. I mean:
class Object:
self.x = 12
self.y = 20
self.name = "blah"
def ChangeAttribute( object, attribute, value ):
# Insert here the code for object.attribute = value
X
This is faster:
http://www.sromero.org/python/zx_parseexec.py
http://www.sromero.org/python/test.par
XD
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And the rest of the code:
#
def ExecParser_Exec( exec_type, code, game, debug=0 ):
"""
Execute the previously "compiled" code:
"""
code_level = 0
#player = game.player
#world = game.world
# Take only opco
And the big functions:
I imagine that the following is HORRIBLE in the pythonic-vision and
surely can be rewriten with a single map+reduce+filter + 200 lambdas
functions X-D, but I come from C and any advice on how to implement my
"simple scripting language" without using lex or yacc is welcome
Before I reinvent the wheel, I'm going to post the code.
Feel free to give any advice, and think that I'm new to python, it's
only 1 month since I began programming in python "seriously" (up to
that moment, I wrote just a few log-text parsing system administration
scripts to speed up some old b
> > def ChangeAttribute( object, attribute, value ):
>help(setattr)
>
> Help on built-in function setattr in module __builtin__:
>
> setattr(...) setattr(object, name, value)
>
> Set a named attribute on an object; setattr(x, 'y', v) is
> equivalent to`x.y = v''.
and
> Gary Herron write:
> Yo
> >> You are using a scripting language.. why not use python directly?
>
> > I just want to execute an small set of commands (PLAYSOUND, PLAYMUSIC,
> > WALKTO, PLAYERSAY, SLEEP and a couple more) ... do you think I can
> > write python code inside my object.exec (list attribute) loaded from a
> > f
Hi.
Until now, all my python programs worked with text files. But now I'm
porting an small old C program I wrote lot of years ago to python and
I'm having problems with datatypes (I think).
some C code:
fp = fopen( file, "rb");
while !feof(fp)
{
value = fgetc(fp);
printf("%d", val
> If you are reading arbitrary bytes then it will likely not always "look"
> like integers. What you probably meant is:
>
> for i in data:
> print "%d, " % ord(i)
That's it! :-)
Thanks a lot.
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> I'm curious, what did Python code look like to those of you who have
> seen a bunch of Python code for the first time before k
Clean and readable.
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> I want to read text line-by-line from a text file, but want to ignore
> only the first line. I know how to do it in Java (Java has been my
> primary language for the last couple of years) and following is what I
> have in Python, but I don't like it and want to learn the better way
> of doing it.
Hi.
I'm trying to port (just for fun), my old Sinclair Spectrum emulator,
ASpectrum, from C to Python + pygame.
Although the Sinclair Spectrum has a simple Z80 8 bit 3.5Mhz
microprocessor, and no aditional hardware (excluding the +2/+3 model's
AYsound chip), I'm not sure if my loved scripted
> > I'm trying to port (just for fun), my old Sinclair Spectrum emulator,
> > ASpectrum, from C to Python + pygame.
>
> The answer to your question is, "Use numpy". More details below.
Let's see :-)
> > How can I implement this in Python, I mean, define a 16 byte variable
> > so that high and
Is there a Python version of C's language #define statements?
Example:
#define ReadMem( (x) )memory[ (x) ]
Instead of using a function, when you call to ReadMem(), the code is
INCLUDED, (no function is called, the "compiler" just substitues the
ReadMem( expression ) with memory[ (expressio
On 12 nov, 18:16, Stefan Behnel wrote:
> Santiago Romero, 12.11.2009 17:43:
>
> > Is there a Python version of C's language #define statements?
>
> > Example:
>
> > #define ReadMem( (x) ) memory[ (x) ]
>
> Yes:
>
> ReadMem = memory.__geti
> You can do clever memory slicing like this with numpy. For instance:
>
> breg = numpy.zeros((16,),numpy.uint8)
> wreg = numpy.ndarray((8,),numpy.uint16,breg)
>
> This causes breg and wreg to share the same 16 bytes of memory. You
> can define constants to access specific registers:
What I'm d
Oops, numpy arrays start with index=0 :-)
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> How about
> page, index = divmod(address, 16384)
Surely, much better and faster :-)
Thanks a lot.
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I'm going to quote all the answers in a single post, if you all don't
mind:
> [greg]
> But keep in mind that named "constants" at the module level
> are really global variables, and therefore incur a dictionary
> lookup every time they're used.
>
> For maximum speed, nothing beats writing the nu
> > #define STORE_nn_rr(dreg) \
> > r_opl = Z80ReadMem(r_PC); r_PC++;\
> > r_oph = Z80ReadMem(r_PC); r_PC++; \
> > r_tmp = dreg; \
> > Z80WriteMem((r_op),r_tmpl, regs); \
> > Z80
> Hey, I got 100% with ASM ZX Spectrum emulator on a low end 386 :-) (I do
> not remember the CPU freqeuncy anymore, maybe 25MHz).
Yes, in ASM a simple 25 or 33Mhz 386 computer was able to emulate
the
Spectrum. At least, under MSDOS, like did Warajevo, Z80, x128 and
"Spectrum"
from Pedro Gimeno.
> Python IS slower than perl, especially since you are dealing with
> objects. However, I'd suggest go the cPickle route - have a Z80Cpu
> module, and its C equivalent, cZ80, and use that one if available. This
> way, the emulator will be actually usable everywhere.
Thanks for the advice but ...
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