Adding a monkey patch / sys.modules hack, fixes #5

Note:

because anyjson devs are slow this was needed, undo it asap once they
commit the pull request.

tests/test_yajl.py

@@ -242,11 +242,11 @@ def test_get_yajl_version_correctlyParsesYajlVersion(self):
     def test_check_yajl_version_warnsOnlyWhenMismatchedVersions(self):
         import warnings
         self.mock('warnings.warn')
-        self.mock('yajl.__version__', mock_obj='1.1.1')
-        self.mock('yajl.yajl_version', mock_obj='1.1.1')
+        self.mock('yajl.wrapped.__version__', mock_obj='1.1.1')
+        self.mock('yajl.wrapped.yajl_version', mock_obj='1.1.1')
         self.assertTrue(yajl.check_yajl_version())
         self.assertSameTrace('')
-        self.mock('yajl.yajl_version', mock_obj='1.1.0')
+        self.mock('yajl.wrapped.yajl_version', mock_obj='1.1.0')
         self.assertFalse(yajl.check_yajl_version())
         self.assertSameTrace(
             "Called warnings.warn("
@@ -257,3 +257,12 @@ def test_check_yajl_version_warnsOnlyWhenMismatchedVersions(self):
 
     def test_checkYajlPyAndYajlHaveSameVersion(self):
         self.assertTrue(yajl.check_yajl_version())
+
+    def test_checkYajlPyRaisesImportErrorIfDumpsOrLoadsUsedAnyJSONHack(self):
+        for attr in 'dumps', 'loads':
+            try:
+                getattr(yajl, attr)
+            except ImportError:
+                pass
+            else:
+                self.fail('No ImportError Raised for yajl.%s' % attr)

yajl/__init__.py

@@ -14,7 +14,7 @@
 from yajl_parse import *
 from yajl_gen import *
 
-__version__ = '2.0.5' 
+__version__ = '2.0.5'
 yajl_version = get_yajl_version()
 
 def check_yajl_version():
@@ -35,3 +35,15 @@ def check_yajl_version():
     return True
 
 check_yajl_version()
+
+# monkey patch yajl, because anyjson devs are slacking off,
+# and I got an issue request that I would like to help out.
+class Wrapper(object):
+  def __init__(self, wrapped):
+    self.wrapped = wrapped
+  def __getattr__(self, name):
+    if name in ('dumps', 'loads'):
+        raise ImportError('this is not py-yajl ... anyjson!')
+    return getattr(self.wrapped, name)
+
+sys.modules[__name__] = Wrapper(sys.modules[__name__])