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-rw-r--r--lib/sqlalchemy/util.py21
1 files changed, 10 insertions, 11 deletions
diff --git a/lib/sqlalchemy/util.py b/lib/sqlalchemy/util.py
index 6f7304bea..0f1a988ce 100644
--- a/lib/sqlalchemy/util.py
+++ b/lib/sqlalchemy/util.py
@@ -18,6 +18,16 @@ except:
import sets
Set = sets.Set
+try:
+ reversed = __builtin__.reversed
+except:
+ def reversed(seq):
+ i = len(seq) -1
+ while i >= 0:
+ yield seq[i]
+ i -= 1
+ raise StopIteration()
+
def to_list(x):
if x is None:
return None
@@ -46,17 +56,6 @@ def flatten_iterator(x):
else:
yield elem
-def reversed(seq):
- try:
- return __builtin__.reversed(seq)
- except:
- def rev():
- i = len(seq) -1
- while i >= 0:
- yield seq[i]
- i -= 1
- raise StopIteration()
- return rev()
class ArgSingleton(type):
instances = {}