support 'whence' arg to seek()
diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index 8a54b46..e60b73b 100755
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -12,8 +12,13 @@
self.fp = fp
self.seekp = 0
- def seek(self, pos):
- self.seekp = pos
+ def seek(self, pos, whence=0):
+ if whence==1: # Relative to current position
+ self.pos = self.pos + pos
+ if whence==2: # Relative to file's end
+ self.pos = self.stop + pos
+ else: # Default - absolute position
+ self.pos = self.start + pos
def next(self):
while 1: