fix markovmodel#806

pyemma/util/_ext/shimmodule.py

@@ -102,6 +102,7 @@ def __path__(self):
     @property
     def __spec__(self):
         """Don't produce __spec__ until requested"""
+        self._warn()
         return __import__(self._mirror).__spec__
 
     def __dir__(self):
@@ -111,8 +112,8 @@ def __dir__(self):
     @property
     def __all__(self):
         """Ensure __all__ is always defined"""
+        self._warn()
         mod = __import__(self._mirror)
-        #self._warn()
         try:
             return mod.__all__
         except AttributeError:
@@ -129,4 +130,5 @@ def __getattr__(self, key):
             raise AttributeError(key)
 
     def _warn(self):
-        warnings.warn(self.msg if self.msg else self.default_msg, ShimWarning)
+        from pyemma.util.exceptions import PyEMMA_DeprecationWarning
+        warnings.warn(self.msg if self.msg else self.default_msg, PyEMMA_DeprecationWarning)

pyemma/util/annotators.py

@@ -39,6 +39,8 @@ def foo(self):
 from decorator import decorator, decorate
 from inspect import stack
 
+from pyemma.util.exceptions import PyEMMA_DeprecationWarning
+
 __all__ = ['alias',
            'aliased',
            'deprecated',
@@ -213,7 +215,7 @@ def _deprecated(func, *args, **kw):
 
         warnings.warn_explicit(
             user_msg,
-            category=DeprecationWarning,
+            category=PyEMMA_DeprecationWarning,
             filename=filename,
             lineno=lineno
         )

pyemma/util/exceptions.py

@@ -65,3 +65,8 @@ class ParserWarning(UserWarning):
 class ConfigDirectoryException(Exception):
     """ Some operation with PyEMMAs configuration directory went wrong. """
     pass
+
+
+class PyEMMA_DeprecationWarning(UserWarning):
+    """You are using a feature, which will be removed in a future release. You have been warned!"""
+    pass