[PATCH master] Revert "Fail if dictionary uses invalid keys" and "Support newer “json” module"

[Michael Hanselmann]

This reverts commit fd0351aef246f5d36e641209429e2ec093d325f8 and
9869e771704ada62bab001e729c52a36525ef081. The built-in module is a lot
slower in Python 2.6.

Signed-off-by: Michael Hanselmann <han...@google.com>
---
 lib/serializer.py                  |   32 +++-----------------------------
 test/ganeti.serializer_unittest.py |   21 ---------------------
 2 files changed, 3 insertions(+), 50 deletions(-)

diff --git a/lib/serializer.py b/lib/serializer.py
index 090ae00..ff27261 100644
--- a/lib/serializer.py
+++ b/lib/serializer.py
@@ -29,18 +29,8 @@ backend (currently json).
 # C0103: Invalid name, since pylint doesn't see that Dump points to a
 # function and not a constant
 
-_OLD_SIMPLEJSON = False
-
-try:
-  import json
-except ImportError:
-  # The "json" module was only added in Python 2.6. Earlier versions must use
-  # the separate "simplejson" module.
-  import simplejson as json
-  _OLD_SIMPLEJSON = True
-
+import simplejson
 import re
-import logging
 
 from ganeti import errors
 from ganeti import utils
@@ -51,23 +41,7 @@ _JSON_INDENT = 2
 _RE_EOLSP = re.compile("[ \t]+$", re.MULTILINE)
 
 
-class _CustomJsonEncoder(json.JSONEncoder):
-  if __debug__ and not _OLD_SIMPLEJSON:
-    try:
-      _orig_fn = json.JSONEncoder._iterencode_dict
-    except AttributeError:
-      raise Exception("Can't override JSONEncoder's '_iterencode_dict'")
-    else:
-      def _iterencode_dict(self, data, *args, **kwargs):
-        for key in data.keys():
-          if not (key is None or isinstance(key, (basestring, bool))):
-            raise ValueError("Key '%s' is of disallowed type '%s'" %
-                             (key, type(key)))
-
-        return self._orig_fn(data, *args, **kwargs)
-
-
-def _GetJsonDumpers(_encoder_class=_CustomJsonEncoder):
+def _GetJsonDumpers(_encoder_class=simplejson.JSONEncoder):
   """Returns two JSON functions to serialize data.
 
   @rtype: (callable, callable)
@@ -119,7 +93,7 @@ def LoadJson(txt):
   @return: the original data
 
   """
-  return json.loads(txt)
+  return simplejson.loads(txt)
 
 
 def DumpSignedJson(data, key, salt=None, key_selector=None):
diff --git a/test/ganeti.serializer_unittest.py 
b/test/ganeti.serializer_unittest.py
index 3e68efa..9d8d656 100755
--- a/test/ganeti.serializer_unittest.py
+++ b/test/ganeti.serializer_unittest.py
@@ -23,11 +23,9 @@
 
 
 import unittest
-import warnings
 
 from ganeti import serializer
 from ganeti import errors
-from ganeti import compat
 
 import testutils
 
@@ -109,24 +107,5 @@ class TestSerializer(testutils.GanetiTestCase):
                       serializer.DumpJson(tdata), "mykey")
 
 
-class TestInvalidDictionaryKey(unittest.TestCase):
-  def _Test(self, data):
-    if serializer._OLD_SIMPLEJSON:
-      # Using old "simplejson", can't really test
-      warnings.warn("This test requires Python 2.6 or above to function"
-                    " correctly")
-      self.assertTrue(serializer.DumpJson(data))
-    else:
-      self.assertRaises(ValueError, serializer.DumpJson, data)
-
-  def test(self):
-    for value in [123, 1.1, -1, -9492.1123, -3234e-4]:
-      self._Test({value: ""})
-
-  def testAllowed(self):
-    for value in ["", "Hello World", None, True, False]:
-      self.assertTrue(serializer.DumpJson({value: ""}))
-
-
 if __name__ == '__main__':
   testutils.GanetiTestProgram()
-- 
1.7.6