Copy CONFIG source in case we want to reload it later like in untittests.

Author: toopy

src/saml2/config.py

@@ -2,6 +2,7 @@
 
 __author__ = 'rolandh'
 
+import copy
 import sys
 import os
 import re
@@ -338,7 +339,7 @@ def load_file(self, config_file, metadata_construction=False):
 
         mod = self._load(config_file)
         #return self.load(eval(open(config_file).read()))
-        return self.load(mod.CONFIG, metadata_construction)
+        return self.load(copy.deepcopy(mod.CONFIG), metadata_construction)
 
     def load_metadata(self, metadata_conf):
         """ Loads metadata into an internal structure """