Patch by Lars Wirzenius to allow f.readline(length).
diff --git a/Lib/StringIO.py b/Lib/StringIO.py
index bbd9428..dba38e4 100644
--- a/Lib/StringIO.py
+++ b/Lib/StringIO.py
@@ -64,7 +64,7 @@
r = self.buf[self.pos:newpos]
self.pos = newpos
return r
- def readline(self):
+ def readline(self, length=None):
if self.buflist:
self.buf = self.buf + string.joinfields(self.buflist, '')
self.buflist = []
@@ -73,6 +73,9 @@
newpos = self.len
else:
newpos = i+1
+ if length is not None:
+ if self.pos + length < newpos:
+ newpos = self.pos + length
r = self.buf[self.pos:newpos]
self.pos = newpos
return r