MAINT: fixes from review

Cython/Compiler/ModuleNode.py

@@ -3061,15 +3061,18 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
 
         # check_size
         if not type.is_external or type.is_subclassed:
+            if type.check_size != 'min':
+                raise AttributeError("unexpected check_size value '%s' when "
+                "compiling %s.%s" % (type.check_size, module_name, type.name))
             cs = 0
-        elif type.check_size == b'min':
+        elif type.check_size == 'min':
             cs = 1
-        elif type.check_size is True:
+        elif type.check_size == 'True':
             cs = 0
-        elif type.check_size is False:
+        elif type.check_size == 'False':
             cs = 2
         else:
-            raise AttributeError("invalid value for check_size '%r' when compiling "
+            raise AttributeError("invalid value for check_size '%s' when compiling "
                 "%s.%s" % (type.check_size, module_name, type.name))
         code.putln('%d);' % cs)
 

Cython/Compiler/Nodes.py

@@ -4629,7 +4629,7 @@ class CClassDefNode(ClassDefNode):
     #  bases              TupleNode         Base class(es)
     #  objstruct_name     string or None    Specified C name of object struct
     #  typeobj_name       string or None    Specified C name of type object
-    #  check_size         b'min' or boolean Issue warning if tp_basicsize does not match
+    #  check_size         'min' or boolean  What to do if tp_basicsize does not match
     #  in_pxd             boolean           Is in a .pxd file
     #  decorators         [DecoratorNode]   list of decorators or None
     #  doc                string or None
@@ -4646,7 +4646,7 @@ class CClassDefNode(ClassDefNode):
     api = False
     objstruct_name = None
     typeobj_name = None
-    check_size = b'min'
+    check_size = 'min'
     decorators = None
     shadow = False
 

Cython/Compiler/Parsing.py

@@ -3471,7 +3471,7 @@ def p_c_class_definition(s, pos,  ctx):
     objstruct_name = None
     typeobj_name = None
     bases = None
-    check_size = b'min'
+    check_size = 'min'
     if s.sy == '(':
         positional_args, keyword_args = p_call_parse_args(s, allow_genexp=False)
         if keyword_args:
@@ -3530,7 +3530,7 @@ def p_c_class_definition(s, pos,  ctx):
 def p_c_class_options(s):
     objstruct_name = None
     typeobj_name = None
-    check_size = b'min'
+    check_size = 'min'
     s.expect('[')
     while 1:
         if s.sy != 'IDENT':
@@ -3543,7 +3543,7 @@ def p_c_class_options(s):
             typeobj_name = p_ident(s)
         elif s.systring == 'check_size':
             s.next()
-            check_size = p_atom(s).value
+            check_size = p_ident(s)
         if s.sy != ',':
             break
         s.next()

Cython/Compiler/PyrexTypes.py

@@ -1345,14 +1345,15 @@ class PyExtensionType(PyObjectType):
     #  vtable_cname     string           Name of C method table definition
     #  early_init       boolean          Whether to initialize early (as opposed to during module execution).
     #  defered_declarations [thunk]      Used to declare class hierarchies in order
-    #  check_size       b'min' or boolean should tp_basicsize match sizeof(obstruct_cname)
+    #  check_size       'min' or boolean What to do if tp_basicsize does not match
     is_extension_type = 1
     has_attributes = 1
     early_init = 1
 
     objtypedef_cname = None
 
-    def __init__(self, name, typedef_flag, base_type, is_external=0, check_size=b'min'):
+    def __init__(self, name, typedef_flag, base_type, is_external=0,
+                 check_size='min'):
         self.name = name
         self.scope = None
         self.typedef_flag = typedef_flag

Cython/Compiler/Symtab.py

@@ -1476,7 +1476,7 @@ class ModuleScope(Scope):
     def declare_c_class(self, name, pos, defining = 0, implementing = 0,
         module_name = None, base_type = None, objstruct_cname = None,
         typeobj_cname = None, typeptr_cname = None, visibility = 'private',
-        typedef_flag = 0, api = 0, check_size=b'min',
+        typedef_flag = 0, api = 0, check_size='min',
         buffer_defaults = None, shadow = 0):
         # If this is a non-extern typedef class, expose the typedef, but use
         # the non-typedef struct internally to avoid needing forward

docs/src/userguide/extension_types.rst

@@ -736,11 +736,11 @@ built-in complex object.::
             ...
         } PyComplexObject;
 
-       At runtime, a check will be performed when importing the cython
+       At runtime, a check will be performed when importing the Cython
        c-extension module that ``__builtin__.complex``'s ``tp_basicsize``
-       matches ``sizeof(`PyComplexObject)``. This check can fail if in the cython
+       matches ``sizeof(`PyComplexObject)``. This check can fail if the Cython
        c-extension module was compiled with one version of the
-       ``complexobject.h`` header but imported into a python with a changed
+       ``complexobject.h`` header but imported into a Python with a changed
        header. This check can be tweaked by using ``check_size`` in the name
        specification clause.
 
@@ -771,7 +771,7 @@ Where:
 - ``object_struct_name`` is the name to assume for the type's C struct.
 - ``type_object_name`` is the name to assume for the type's statically
   declared type object.
-- ``cs_option`` is ``'min'`` (the default), ``True``, or ``False`` and is only
+- ``cs_option`` is ``min`` (the default), ``True``, or ``False`` and is only
   used for external extension types. If ``True``, ``sizeof(object_struct)`` must
   match the type's ``tp_basicsize``. If ``False``, or ``min``, the
   ``object_struct`` may be smaller than the type's ``tp_basicsize``, which

runtests.py

@@ -1735,9 +1735,6 @@ class EndToEndTest(unittest.TestCase):
         old_path = os.environ.get('PYTHONPATH')
         env = dict(os.environ)
         env['PYTHONPATH'] = self.cython_syspath + os.pathsep + (old_path or '')
-        cmd = []
-        out = []
-        err = []
         for command_no, command in enumerate(filter(None, commands.splitlines()), 1):
             with self.stats.time('%s(%d)' % (self.name, command_no), 'c',
                                  'etoe-build' if ' setup.py ' in command else 'etoe-run'):
@@ -1746,15 +1743,11 @@ class EndToEndTest(unittest.TestCase):
                                      stdout=subprocess.PIPE,
                                      shell=True,
                                      env=env)
-                _out, _err = p.communicate()
-                cmd.append(command)
-                out.append(_out)
-                err.append(_err)
+                out, err = p.communicate()
             res = p.returncode
             if res != 0:
-                for c, o, e in zip(cmd, out, err):
-                    sys.stderr.write("%s\n%s\n%s\n\n" % (
-                        c, self._try_decode(o), self._try_decode(e)))
+                sys.stderr.write("%s\n%s\n%s\n" % (
+                    command, self._try_decode(out), self._try_decode(err)))
             self.assertEqual(0, res, "non-zero exit status")
         self.success = True
 

tests/run/check_size.srctree

@@ -129,8 +129,8 @@ cpdef public int testme(Foo f) except -1:
 
 cdef extern from "check_size_smaller.h":
 
-    # make sure missing check_size is equivalent to 'min'
-    ctypedef class check_size.Foo [object FooStructSmall, check_size 'min']:
+    # make sure missing check_size is equivalent to min
+    ctypedef class check_size.Foo [object FooStructSmall, check_size min]:
         cdef:
             int f9
 
@@ -169,7 +169,7 @@ cpdef public int testme(Foo f) except -1:
 cdef extern from "check_size_smaller.h":
 
     # Raise AttributeError when using bad value
-    ctypedef class check_size.Foo [object FooStructSmall, check_size 'max']:
+    ctypedef class check_size.Foo [object FooStructSmall, check_size max]:
         cdef:
             int f9