Remove silly EMPTYSTRING global. Saves a global lookup.
diff --git a/Lib/StringIO.py b/Lib/StringIO.py
index bc5e9e2..2aef3c3 100644
--- a/Lib/StringIO.py
+++ b/Lib/StringIO.py
@@ -36,8 +36,6 @@
__all__ = ["StringIO"]
-EMPTYSTRING = ''
-
class StringIO:
def __init__(self, buf = ''):
self.buf = buf
@@ -61,7 +59,7 @@
if self.closed:
raise ValueError, "I/O operation on closed file"
if self.buflist:
- self.buf += EMPTYSTRING.join(self.buflist)
+ self.buf += ''.join(self.buflist)
self.buflist = []
if mode == 1:
pos += self.pos
@@ -78,7 +76,7 @@
if self.closed:
raise ValueError, "I/O operation on closed file"
if self.buflist:
- self.buf += EMPTYSTRING.join(self.buflist)
+ self.buf += ''.join(self.buflist)
self.buflist = []
if n < 0:
newpos = self.len
@@ -92,7 +90,7 @@
if self.closed:
raise ValueError, "I/O operation on closed file"
if self.buflist:
- self.buf += EMPTYSTRING.join(self.buflist)
+ self.buf += ''.join(self.buflist)
self.buflist = []
i = self.buf.find('\n', self.pos)
if i < 0:
@@ -139,7 +137,7 @@
newpos = self.pos + len(s)
if self.pos < self.len:
if self.buflist:
- self.buf += EMPTYSTRING.join(self.buflist)
+ self.buf += ''.join(self.buflist)
self.buflist = []
self.buflist = [self.buf[:self.pos], s, self.buf[newpos:]]
self.buf = ''
@@ -151,7 +149,7 @@
self.pos = newpos
def writelines(self, list):
- self.write(EMPTYSTRING.join(list))
+ self.write(''.join(list))
def flush(self):
if self.closed:
@@ -159,7 +157,7 @@
def getvalue(self):
if self.buflist:
- self.buf += EMPTYSTRING.join(self.buflist)
+ self.buf += ''.join(self.buflist)
self.buflist = []
return self.buf