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Replace linear-time filtered index search with usage of bisect module

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René Stadler 2008-01-23 11:03:47 +02:00 committed by Stefan Sauer
parent e971bda1ae
commit 9fe8b55ecb
1 changed files with 7 additions and 11 deletions
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18
debug-viewer/GstDebugViewer/GUI.py
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@ -30,6 +30,7 @@ import os
import os.path import os.path
from operator import add from operator import add
from sets import Set from sets import Set
from bisect import bisect_right, bisect_left
import logging import logging
import pygtk import pygtk
@ -564,19 +565,15 @@ class FilteredLogModel (FilteredLogModelBase):
return self.super_index[line_index] return self.super_index[line_index]
def __filtered_indices_in_range (self, first, end): def __filtered_indices_in_range (self, start, stop):
# FIXME: Rewrite using bisection! if start < 0:
raise ValueError ("start cannot be negative (got %r)" % (start,))
if first < 0: super_start = bisect_left (self.super_index, start)
raise ValueError ("first cannot be negative (got %r)" % (first,)) super_stop = bisect_left (self.super_index, stop)
count = 0 return super_stop - super_start
for i in self.super_index:
if i >= first and i < end:
count += 1
return count
def super_model_changed_range (self): def super_model_changed_range (self):
@ -1478,7 +1475,6 @@ class LineView (object):
if len (line_model): if len (line_model):
timestamps = [row[line_model.COL_TIME] for row in line_model] timestamps = [row[line_model.COL_TIME] for row in line_model]
row = log_model[(line_index,)] row = log_model[(line_index,)]
from bisect import bisect_right
position = bisect_right (timestamps, row[line_model.COL_TIME]) position = bisect_right (timestamps, row[line_model.COL_TIME])
else: else:
position = 0 position = 0