Re-add _Result.result as an attr which triggers a deprecation warning

pluggy/callers.py

@@ -2,7 +2,7 @@
 Call loop machinery
 '''
 import sys
-
+import warnings
 
 _py3 = sys.version_info > (3, 0)
 
@@ -33,6 +33,13 @@ def __init__(self, result, excinfo):
     def excinfo(self):
         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)
+        return self._result
+
     @classmethod
     def from_call(cls, func):
         __tracebackhide__ = True

testing/test_details.py

@@ -1,6 +1,8 @@
 import warnings
-from pluggy import PluginManager, HookimplMarker, HookspecMarker
 
+import pytest
+
+from pluggy import PluginManager, HookimplMarker, HookspecMarker, _Result
 
 hookspec = HookspecMarker("example")
 hookimpl = HookimplMarker("example")
@@ -93,3 +95,9 @@ def myhook(self, arg1):
         warning = warns[-1]
         assert issubclass(warning.category, Warning)
         assert "Argument(s) ('arg2',)" in str(warning.message)
+
+
+def test_result_deprecated():
+    r = _Result(10, None)
+    with pytest.deprecated_call():
+        assert r.result == 10