Amélioration du layout de la barre de boutons.

[minwii.git] / src / minwii / logfilereader.py

diff --git a/src/minwii/logfilereader.py b/src/minwii/logfilereader.py
index 44c3611..b7f84a1 100755 (executable)
--- a/src/minwii/logfilereader.py
+++ b/src/minwii/logfilereader.py
@@ -6,12 +6,14 @@ $Id$
 $URL$
 """
 
+from types import StringTypes
 from widgets.playingscreen import PlayingScreenBase
 from eventutils import EventDispatcher
 from events import eventCodes
 from synth import Synth
 from musicxml import musicXml2Song
 import pygame
+from backwardsfilereader import BackwardsReader
 
 SUPPORTED_FILE_HEADER = 'ENV winwii log format version : 1.0'
 
@@ -33,7 +35,7 @@ class LogFileReader(object) :
         """ logfile : chemin d'accès au fichier de log MinWii.
             le format supporté est actuellement la version 1.0 uniquement.
         """
-        if isinstance(logfile, str) :
+        if isinstance(logfile, StringTypes) :
             self.logfile = open(logfile, 'r')
         else :
             self.logfile = logfile
@@ -106,6 +108,16 @@ class LogFileReader(object) :
         firstTicks = int(l.split(None, 2)[1])
         return firstTicks
     
+    @inplaceread
+    def getLastEventTicks(self) :
+        "retourne le timecode du dernier événement (entier)"
+        for l in self.getBackwardLineIterator() :
+            if l.startswith('EVT ') :
+                break
+        
+        lastTicks = int(l.split(None, 2)[1])
+        return lastTicks
+    
     def __del__(self) :
         self.logfile.close()
     
@@ -139,6 +151,14 @@ class LogFileReader(object) :
                 ticks, eventName = l.split(None, 3)[1:]
                 ticks = int(ticks)
                 yield ticks, eventName, ''
+    
+    def getBackwardLineIterator(self) :
+        br = BackwardsReader(self.logfile, BLKSIZE=128)
+        line = br.readline()
+        while line :
+            yield line.strip()
+            line = br.readline()
+        
                 
 
 class LogFilePlayer(PlayingScreenBase) :