Deprecate _Results.excinfo

Resolves pytest-dev#86

pluggy/callers.py

@@ -31,13 +31,28 @@ def __init__(self, result, excinfo):
 
     @property
     def excinfo(self):
+        """Get the exception info for this hook call (DEPRECATED in favor of
+        ``get_result()``).
+        """
+        warnings.warn(
+            DeprecationWarning(
+                '`_Result.excinfo` is deprecated use `get_result()` to raise '
+                'the underlying exception'),
+                stacklevel=2
+        )
         return self._excinfo
 
     @property
     def result(self):
-        """Get the result(s) for this hook call (DEPRECATED in favor of ``get_result()``)."""
-        msg = 'Use get_result() which forces correct exception handling'
-        warnings.warn(DeprecationWarning(msg), stacklevel=2)
+        """Get the result(s) for this hook call (DEPRECATED in favor of
+        ``get_result()``).
+        """
+        warnings.warn(
+            DeprecationWarning(
+                '`_Result.result` is deprecated use `get_result()` to force '
+                'correct exception handling'),
+                stacklevel=2
+        )
         return self._result
 
     @classmethod
@@ -62,7 +77,7 @@ def force_result(self, result):
         self._excinfo = None
 
     def get_result(self):
-        """Get the result(s) for this hook call.
+        """Get the result(s) for this hook call; raises any caught exception.
 
         If the hook was marked as a ``firstresult`` only a single value
         will be returned otherwise a list of results.

pluggy/manager.py

@@ -297,7 +297,7 @@ def before(hook_name, methods, kwargs):
             hooktrace(hook_name, kwargs)
 
         def after(outcome, hook_name, methods, kwargs):
-            if outcome.excinfo is None:
+            if outcome._excinfo is None:
                 hooktrace("finish", hook_name, "-->", outcome.get_result())
             hooktrace.root.indent -= 1
 

testing/test_deprecations.py

@@ -15,6 +15,17 @@ def test_result_deprecated():
         assert r.result == 10
 
 
+def test_excinfo_deprecated():
+
+    def err():
+        raise RuntimeError
+
+    r = _Result.from_call(err)
+
+    with pytest.deprecated_call():
+        assert r.excinfo == r._excinfo
+
+
 def test_implprefix_deprecated():
     with pytest.deprecated_call():
         pm = PluginManager('blah', implprefix='blah_')