PYTHON-710, SON.to_dict shouldn't change original data.

2014-06-18 17:49:57 -04:00 · 2014-06-18 17:49:57 -04:00 · 686c8fae49
commit 686c8fae49
parent 91a56702cf
1 changed files with 6 additions and 6 deletions
--- a/bson/son.py
+++ b/bson/son.py
@ -226,12 +226,12 @@ class SON(dict):
        def transform_value(value):
            if isinstance(value, list):
                return [transform_value(v) for v in value]
-            if isinstance(value, SON):
-                value = dict(value)
-            if isinstance(value, dict):
-                for k, v in value.iteritems():
-                    value[k] = transform_value(v)
-            return value
+            elif isinstance(value, dict):
+                return dict([
+                    (k, transform_value(v))
+                    for k, v in value.iteritems()])
+            else:
+                return value

        return transform_value(dict(self))