diff options
| -rw-r--r-- | Lib/StringIO.py | 5 |
1 files changed, 4 insertions, 1 deletions
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 @@ class StringIO: 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 @@ class StringIO: 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 |