Fix compiler crash with type inferencing and add all() and any() to Utils

Cython/Compiler/TypeInference.py

@@ -270,7 +270,7 @@ class SimpleAssignmentTypeInferer(object):
             while ready_to_infer:
                 entry = ready_to_infer.pop()
                 types = [expr.infer_type(scope) for expr in entry.assignments]
-                if types:
+                if Utils.all(types):
                     entry.type = spanning_type(types, entry.might_overflow)
                 else:
                     # FIXME: raise a warning?

Cython/Distutils/build_ext.py

@@ -19,6 +19,8 @@ from distutils.dir_util import mkpath
 from distutils.command import build_ext as _build_ext
 from distutils import sysconfig
 
+from Cython.Utils import any
+
 extension_name_re = _build_ext.extension_name_re
 
 show_compilers = _build_ext.show_compilers
@@ -55,16 +57,6 @@ class Optimization(object):
 
 optimization = Optimization()
 
-try:
-    any
-except NameError:
-    def any(it):
-        for x in it:
-            if x:
-                return True
-
-        return False
-
 
 class build_ext(_build_ext.build_ext):
 

Cython/Utils.py

@@ -221,3 +221,21 @@ def none_or_sub(s, data):
     else:
         return s % data
 
+# all() and any() are new in 2.5
+try:
+    # Make sure to bind them on the module, as they will be accessed as
+    # attributes
+    all = all
+    any = any
+except NameError:
+    def all(items):
+        for item in items:
+            if not item:
+                return False
+        return True
+
+    def any(items):
+        for item in items:
+            if item:
+                return True
+        return False