bytes/str/unicode tweaking for py2/3.

Author: shimizukawa

pyreadline/console/console.py

@@ -289,7 +289,7 @@ def home(self):
 
     # This pattern should match all characters that change the cursor position differently
     # than a normal character.
-    motion_char_re = re.compile(u'([\n\r\t\010\007])')
+    motion_char_re = re.compile('([\n\r\t\010\007])'.encode('ascii'))
 
     def write_scrolling(self, text, attr=None):
         u'''write text at current cursor position while watching for scrolling.
@@ -309,7 +309,7 @@ def write_scrolling(self, text, attr=None):
         w, h = self.size()
         scroll = 0 # the result
         # split the string into ordinary characters and funny characters
-        chunks = self.motion_char_re.split(text)
+        chunks = self.motion_char_re.split(ensure_str(text))
         for chunk in chunks:
             n = self.write_color(chunk, attr)
             if len(chunk) == 1: # the funny characters will be alone