Use a stringbuffer list instead of appending strings, apparently python

string handling when appending/using large strings is very bad

1 files changed, 21 insertions, 0 deletions

diff --git a/FuseArchive/ChunkBuffer.py b/FuseArchive/ChunkBuffer.py
new file mode 100644
index 0000000..4ef6370
--- /dev/null
+++ b/FuseArchive/ChunkBuffer.py
@@ -0,0 +1,21 @@
+import logging
+
+# Handle efficient operations on a non-fixed length buffer like appending,
+# replacing, reading chunks, etc
+class ChunkBuffer:
+    def __init__( self, data = '' ):
+        logging.debug( "Creating chunkbuffer: %s" % data )
+        self.chunk = list( data )
+
+    def append( self, s ):
+        self.chunk.extend( list( s ) )
+
+    def replace( self, s, start, end ):
+        self.chunk
+
+    def length( self ):
+        return len( self.chunk )
+
+    def string(self):
+        logging.debug( "Stringifying: %s" % self.chunk )
+        return ''.join( self.chunk )