Unique SOSIZE prefix to make it easier to extract the sosizes from the GitHub logs.

Author: rwgk

tests/test_class.py

@@ -11,6 +11,12 @@ def test_repr():
     # In Python 3.3+, repr() accesses __qualname__
     assert "pybind11_type" in repr(type(UserType))
     assert "UserType" in repr(UserType)
+    import weakref
+    u = UserType(0)
+    w = weakref.ref(u)
+    assert w() is not None
+    del u
+    assert w() is None
 
 
 def test_instance(msg):

tools/libsize.py

@@ -19,7 +19,7 @@
 
 libsize = os.path.getsize(lib)
 
-print("------", os.path.basename(lib), "file size:", libsize, end="")
+print("SOSIZE:", os.path.basename(lib), libsize, end="")
 
 if os.path.exists(save):
     with open(save) as sf: