On Tue, Jan 14, 2014 at 01:23:51PM +0800, Jonathan Ballet wrote:
> Current performances
> --------------------
>
> I made a small test case to reproduce the problem (attached to this
> email), and here are the results I've got:
Of course, I forgot it. It's attached to this email now...
Jonathan
import time
import sys
if '-2' in sys.argv:
import pygtk
import gobject as GObject
import gtk as Gtk
else:
from gi.repository import Gtk, GObject
class Timer:
def __init__(self):
self.t = time.time()
def mark(self, message):
t = time.time()
print("{}: {}".format(message, t - self.t))
self.t = t
t = Timer()
class Song(GObject.GObject):
def __init__(self):
super(Song, self).__init__()
self.id = 0
self.track = 15
self.title = "title"
self.artist = "Foo bar"
self.year = 1995
self.album = "Plop plip"
self.file = "foo.ogg"
def __getitem__(self, key):
return getattr(self, key)
def get(self, key, default):
return getattr(self, key, default)
songs = [Song() for i in range(10000)]
t.mark("Create")
columns_format = ['%N', '%T', '%A', '%Y - %B - %N']
current_columns = [str] * len(columns_format)
def parse(part, song, unused=None):
if part == '%N':
return str(song.track)
elif part == '%T':
return song.title
elif part == '%A':
return song.album
else:
return "%d - %s - %d" % (song.year, song.album, song.track)
l = Gtk.ListStore(*(current_columns))
for song in songs:
items = [parse(part, song, True) for part in columns_format]
l.append(items)
t.mark("Append")
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