Cleaned up io._BytesIO.write().
I am amazed that the old code, for inserting null-bytes, actually
worked. Who wrote that thing? Oh, it is me... doh.
diff --git a/Lib/io.py b/Lib/io.py
index 0b6907a..c45062d 100644
--- a/Lib/io.py
+++ b/Lib/io.py
@@ -826,14 +826,14 @@
n = len(b)
if n == 0:
return 0
- newpos = self._pos + n
- if newpos > len(self._buffer):
+ pos = self._pos
+ if pos > len(self._buffer):
# Inserts null bytes between the current end of the file
# and the new write position.
- padding = b'\x00' * (newpos - len(self._buffer) - n)
- self._buffer[self._pos:newpos - n] = padding
- self._buffer[self._pos:newpos] = b
- self._pos = newpos
+ padding = b'\x00' * (pos - len(self._buffer))
+ self._buffer += padding
+ self._buffer[pos:pos + n] = b
+ self._pos += n
return n
def seek(self, pos, whence=0):