The value macros for ints also need to convert OverflowError into TypeError.

This only showed up on Windows (because it follows the LLP64 data model). See https://ci.appveyor.com/project/mgedmin/btrees/builds/31998447/job/m3xs7q1d8b4u5u3b

BTrees/intvaluemacros.h

@@ -29,7 +29,13 @@
 #define COPY_VALUE_FROM_ARG(TARGET, ARG, STATUS)                  \
   if (INT_CHECK(ARG)) {                                         \
       long vcopy = INT_AS_LONG(ARG);                            \
-      if (PyErr_Occurred()) { (STATUS)=0; (TARGET)=0; }           \
+      if (PyErr_Occurred()) {                                     \
+        if (PyErr_ExceptionMatches(PyExc_OverflowError)) {        \
+            PyErr_Clear();                                        \
+            PyErr_SetString(PyExc_TypeError, "integer out of range"); \
+        }                                                         \
+        (STATUS)=0; (TARGET)=0;                                   \
+      }                                                           \
       else if ((int)vcopy != vcopy) {                                  \
         PyErr_SetString(PyExc_TypeError, "integer out of range"); \
         (STATUS)=0; (TARGET)=0;                                   \
@@ -62,7 +68,13 @@
 #define COPY_VALUE_FROM_ARG(TARGET, ARG, STATUS)                  \
   if (INT_CHECK(ARG)) {                                           \
       long vcopy = INT_AS_LONG(ARG);                              \
-      if (PyErr_Occurred()) { (STATUS)=0; (TARGET)=0; }           \
+      if (PyErr_Occurred()) {                                     \
+        if (PyErr_ExceptionMatches(PyExc_OverflowError)) {        \
+            PyErr_Clear();                                        \
+            PyErr_SetString(PyExc_TypeError, "integer out of range"); \
+        }                                                         \
+        (STATUS)=0; (TARGET)=0;                                   \
+      }                                                           \
       else if (vcopy < 0) {                                       \
         PyErr_SetString(PyExc_TypeError, "can't convert negative value to unsigned int"); \
         (STATUS)=0; (TARGET)=0;                                   \

BTrees/tests/common.py

@@ -390,7 +390,7 @@ class Base(SignedMixin):
         self.assertFalse(issubclass(NonSub, type(t)))
         self.assertFalse(isinstance(NonSub(), type(t)))
 
-class MappingBase(Base):
+class MappingBase(Base): # pylint:disable=too-many-public-methods
     # Tests common to mappings (buckets, btrees)
     SUPPORTS_NEGATIVE_VALUES = True
 
@@ -722,7 +722,7 @@ class MappingBase(Base):
         self.assertEqual(list(keys), [])
         self.assertEqual(list(t.iterkeys(max=50, min=200)), [])
 
-    def testSlicing(self):
+    def testSlicing(self): # pylint:disable=too-many-locals
         # Test that slicing of .keys()/.values()/.items() works exactly the
         # same way as slicing a Python list with the same contents.
         # This tests fixes to several bugs in this area, starting with
@@ -832,7 +832,7 @@ class MappingBase(Base):
             self.assertEqual(list(t.iteritems()), list(t.items()))
 
     @uses_negative_keys_and_values
-    def testRangedIterators(self):
+    def testRangedIterators(self): # pylint:disable=too-many-locals
         t = self._makeOne()
 
         for keys in [], [-2], [1, 4], list(range(-170, 2000, 13)):
@@ -1074,7 +1074,6 @@ class MappingBase(Base):
             self.skipTest("Needs bounded key and value")
 
         import struct
-        from .._compat import PY2
 
         good = set()
         b = self._makeOne()
@@ -1995,7 +1994,7 @@ class ModuleTest(object):
     key_type = None
     value_type = None
     def _getModule(self):
-        pass
+        raise NotImplementedError
 
     def testNames(self):
         names = ['Bucket', 'BTree', 'Set', 'TreeSet']
@@ -2223,8 +2222,8 @@ class SetResult(object):
         super(SetResult, self).setUp()
         _skip_if_pure_py_and_py_test(self)
 
-        self.Akeys = [1,    3,    5, 6]
-        self.Bkeys = [   2, 3, 4,    6, 7]
+        self.Akeys = [1,    3,    5, 6] # pylint:disable=bad-whitespace
+        self.Bkeys = [   2, 3, 4,    6, 7] # pylint:disable=bad-whitespace
         self.As = [makeset(self.Akeys) for makeset in self.builders()]
         self.Bs = [makeset(self.Bkeys) for makeset in self.builders()]
         self.emptys = [makeset() for makeset in self.builders()]
@@ -2336,7 +2335,7 @@ class SetResult(object):
                 else:
                     self.assertEqual(list(C), want)
 
-    def testLargerInputs(self):
+    def testLargerInputs(self): # pylint:disable=too-many-locals
         from BTrees.IIBTree import IISet # pylint:disable=no-name-in-module
         from random import randint
         MAXSIZE = 200
@@ -2592,6 +2591,7 @@ class ConflictTestBase(SignedMixin, object):
     # Tests common to all types: sets, buckets, and BTrees
 
     storage = None
+    db = None
 
     def setUp(self):
         super(ConflictTestBase, self).setUp()

CHANGES.rst

@@ -15,6 +15,10 @@
   expected. See `issue 140
   <https://github.com/zopefoundation/BTrees/issues/140>`_.
 
+  .. note::
+     The unspecified true return values of ``has_key``
+     have changed.
+
 
 4.7.1 (2020-03-22)
 ==================