[pypy-commit] pypy default: Preallocate the result for str.repr more appropriately, use len(self) + 2, which will be correct in the common case of "no special characgters".

alex_gaynor Thu, 28 Jul 2011 15:40:08 -0700

Author: Alex Gaynor <[email protected]>
Branch: 
Changeset: r46073:7982de091965
Date: 2011-07-28 15:39 -0700
http://bitbucket.org/pypy/pypy/changeset/7982de091965/


Log:    Preallocate the result for str.__repr__ more appropriately, use
        len(self) + 2, which will be correct in the common case of "no
        special characgters".

        Alex

diff --git a/pypy/objspace/std/stringobject.py 
b/pypy/objspace/std/stringobject.py
--- a/pypy/objspace/std/stringobject.py
+++ b/pypy/objspace/std/stringobject.py
@@ -913,7 +913,7 @@
 def repr__String(space, w_str):
     s = w_str._value
 
-    buf = StringBuilder(50)
+    buf = StringBuilder(len(s) + 2)
 
     quote = "'"
     if quote in s and '"' not in s:
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[pypy-commit] pypy default: Preallocate the result for str.__repr__ more appropriately, use len(self) + 2, which will be correct in the common case of "no special characgters".

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[pypy-commit] pypy default: Preallocate the result for str.repr more appropriately, use len(self) + 2, which will be correct in the common case of "no special characgters".