Merge pull request #2120 from RonnyPfannschmidt/fix-2118

fix #2118 - rework Node._getcustomclass and Node compat properties

CHANGELOG.rst

@@ -1,7 +1,10 @@
 3.0.6.dev0 (unreleased)
 =======================
 
-*
+* pytest no longer generates ``PendingDeprecationWarning`` from its own operations, which was introduced by mistake in version ``3.0.5`` (`#2118`_).
+  Thanks to `@nicoddemus`_ for the report and `@RonnyPfannschmidt`_ for the PR.
+
+
 
 * pytest no longer recognizes coroutine functions as yield tests (`#2129`_).
   Thanks to `@malinoff`_ for the PR.
@@ -34,6 +37,7 @@
 .. _@pelme: https://github.com/pelme
 .. _@eli-b: https://github.com/eli-b
 
+.. _#2118: https://github.com/pytest-dev/pytest/issues/2118
 
 .. _#1989: https://github.com/pytest-dev/pytest/issues/1989
 .. _#1920: https://github.com/pytest-dev/pytest/issues/1920

_pytest/main.py

@@ -190,14 +190,22 @@ class FSHookProxy:
         self.__dict__[name] = x
         return x
 
-def compatproperty(name):
+class _CompatProperty(object):
-    def fget(self):
+    def __init__(self, name):
-        import warnings
+        self.name = name
-        warnings.warn("This usage is deprecated, please use pytest.{0} instead".format(name),
+
-                      PendingDeprecationWarning, stacklevel=2)
+    def __get__(self, obj, owner):
-        return getattr(pytest, name)
+        if obj is None:
+            return self
+
+        # TODO: reenable in the features branch
+        # warnings.warn(
+        #     "usage of {owner!r}.{name} is deprecated, please use pytest.{name} instead".format(
+        #         name=self.name, owner=type(owner).__name__),
+        #     PendingDeprecationWarning, stacklevel=2)
+        return getattr(pytest, self.name)
+
 
-    return property(fget)
 
 class NodeKeywords(MappingMixin):
     def __init__(self, node):
@@ -269,19 +277,23 @@ class Node(object):
         """ fspath sensitive hook proxy used to call pytest hooks"""
         return self.session.gethookproxy(self.fspath)
 
-    Module = compatproperty("Module")
+    Module = _CompatProperty("Module")
-    Class = compatproperty("Class")
+    Class = _CompatProperty("Class")
-    Instance = compatproperty("Instance")
+    Instance = _CompatProperty("Instance")
-    Function = compatproperty("Function")
+    Function = _CompatProperty("Function")
-    File = compatproperty("File")
+    File = _CompatProperty("File")
-    Item = compatproperty("Item")
+    Item = _CompatProperty("Item")
 
     def _getcustomclass(self, name):
+        maybe_compatprop = getattr(type(self), name)
+        if isinstance(maybe_compatprop, _CompatProperty):
+            return getattr(pytest, name)
+        else:
             cls = getattr(self, name)
-        if cls != getattr(pytest, name):
+            # TODO: reenable in the features branch
-            py.log._apiwarn("2.0", "use of node.%s is deprecated, "
+            # warnings.warn("use of node.%s is deprecated, "
-                "use pytest_pycollect_makeitem(...) to create custom "
+            #    "use pytest_pycollect_makeitem(...) to create custom "
-                "collection nodes" % name)
+            #    "collection nodes" % name, category=DeprecationWarning)
         return cls
 
     def __repr__(self):