adapt some more syntax to Py2/Py3

Cython/Compiler/Nodes.py

@@ -167,7 +167,7 @@ class CheckAnalysers(type):
             def call(*args, **kwargs):
                 retval = func(*args, **kwargs)
                 if retval is None:
-                    print name, args, kwargs
+                    print('%s %s %s' % (name, args, kwargs))
                 return retval
             return call
 

Cython/Compiler/Pipeline.py

@@ -15,7 +15,7 @@ from . import Naming
 #
 def dumptree(t):
     # For quick debugging in pipelines
-    print t.dump()
+    print(t.dump())
     return t
 
 def abort_on_errors(node):
@@ -321,12 +321,12 @@ def run_pipeline(pipeline, source, printtree=True):
                 if phase is not None:
                     if DebugFlags.debug_verbose_pipeline:
                         t = time()
-                        print "Entering pipeline phase %r" % phase
+                        print("Entering pipeline phase %r" % phase)
                     if not printtree and isinstance(phase, PrintTree):
                         continue
                     data = phase(data)
                     if DebugFlags.debug_verbose_pipeline:
-                        print "    %.3f seconds" % (time() - t)
+                        print("    %.3f seconds" % (time() - t))
         except CompileError as err:
             # err is set
             Errors.report_error(err)

Cython/Compiler/Visitor.py

@@ -22,7 +22,7 @@ import cython
 
 cython.declare(_PRINTABLE=tuple)
 
-if sys.version_info >= 3:
+if sys.version_info[0] >= 3:
     _PRINTABLE = (bytes, str, int, float)
 else:
     _PRINTABLE = (str, unicode, long, int, float)
@@ -57,9 +57,9 @@ class TreeVisitor(object):
     >>> tree = SampleNode(0, SampleNode(1), [SampleNode(2), SampleNode(3)])
     >>> class MyVisitor(TreeVisitor):
     ...     def visit_SampleNode(self, node):
-    ...         print "in", node.value, self.access_path
+    ...         print("in %s %s" % (node.value, self.access_path)
     ...         self.visitchildren(node)
-    ...         print "out", node.value
+    ...         print("out %s" % node.value)
     ...
     >>> MyVisitor().visit(tree)
     in 0 []
@@ -162,11 +162,11 @@ class TreeVisitor(object):
             handler_method = getattr(self, pattern % mro_cls.__name__, None)
             if handler_method is not None:
                 return handler_method
-        print type(self), cls
+        print('%s: %s' % (type(self), cls))
         if self.access_path:
-            print self.access_path
-            print self.access_path[-1][0].pos
-            print self.access_path[-1][0].__dict__
+            print(self.access_path)
+            print(self.access_path[-1][0].pos)
+            print(self.access_path[-1][0].__dict__)
         raise RuntimeError("Visitor %r does not accept object: %s" % (self, obj))
 
     def visit(self, obj):

Cython/Shadow.py

@@ -240,7 +240,7 @@ class StructType(CythonType):
             for key, value in cast_from.__dict__.items():
                 setattr(self, key, value)
         else:
-            for key, value in data.iteritems():
+            for key, value in data.items():
                 setattr(self, key, value)
 
     def __setattr__(self, key, value):
@@ -267,7 +267,7 @@ class UnionType(CythonType):
             datadict = data
         if len(datadict) > 1:
             raise AttributeError("Union can only store one field at a time.")
-        for key, value in datadict.iteritems():
+        for key, value in datadict.items():
             setattr(self, key, value)
 
     def __setattr__(self, key, value):