rename is_abi3 to py_limited_api

setuptools/command/build_ext.py

@@ -104,7 +104,9 @@ class build_ext(_build_ext):
         filename = _build_ext.get_ext_filename(self, fullname)
         if fullname in self.ext_map:
             ext = self.ext_map[fullname]
-            if sys.version_info[0] != 2 and getattr(ext, 'is_abi3'):
+            if (sys.version_info[0] != 2 
+                and getattr(ext, 'py_limited_api')
+                and get_abi3_suffix()):
                 from distutils.sysconfig import get_config_var
                 so_ext = get_config_var('SO')
                 filename = filename[:-len(so_ext)]

setuptools/extension.py

@@ -36,8 +36,8 @@ have_pyrex = _have_cython
 class Extension(_Extension):
     """Extension that uses '.c' files in place of '.pyx' files"""
 
-    def __init__(self, name, sources, is_abi3=False, **kw):
-        self.is_abi3 = is_abi3
+    def __init__(self, name, sources, py_limited_api=False, **kw):
+        self.py_limited_api = py_limited_api
         _Extension.__init__(self, name, sources, **kw)
 
     def _convert_pyx_sources_to_lang(self):

setuptools/tests/test_build_ext.py

@@ -28,7 +28,7 @@ class TestBuildExt:
         """
         print(get_abi3_suffix())
         
-        extension = Extension('spam.eggs', ['eggs.c'], is_abi3=True)
+        extension = Extension('spam.eggs', ['eggs.c'], py_limited_api=True)
         dist = Distribution(dict(ext_modules=[extension]))
         cmd = build_ext(dist)
         cmd.finalize_options()