SystemError: Objects/stringobject.c:3565: bad argument to internal function

test.py

str = ""

while True:

    str += "a" * 1024 * 1024

    print len(str)

</pre>

exe:



2144337920

2145386496

2146435072

Traceback (most recent call last):

  File "test.py", line 3, in ?

    str += "a" * 1024 * 1024

SystemError: Objects/stringobject.c:3565: bad argument to internal function

</pre>

<br/>

nearby 32bit = 2GB, down.

plz use python 2.5 after.