BUG: Fix Py2 unicode handling in clipboard

Author: Justin Lewis

pandas/io/clipboard.py

@@ -1,6 +1,6 @@
 """ io on the clipboard """
 from pandas import compat, get_option, option_context, DataFrame
-from pandas.compat import StringIO
+from pandas.compat import StringIO, PY2
 
 
 def read_clipboard(**kwargs):  # pragma: no cover
@@ -75,16 +75,16 @@ def to_clipboard(obj, excel=None, sep=None, **kwargs):  # pragma: no cover
       - OS X:
     """
     from pandas.util.clipboard import clipboard_set
-    if excel is None:
-        excel = True
 
-    if excel:
+    if excel in (None, True):
         try:
-            if sep is None:
-                sep = '\t'
             buf = StringIO()
-            obj.to_csv(buf, sep=sep, **kwargs)
-            clipboard_set(buf.getvalue())
+            # clipboard_set (pyperclip) expects unicode
+            obj.to_csv(buf, sep=sep or '\t', encoding='utf-8', **kwargs)
+            text = buf.getvalue()
+            if PY2:
+                text = text.decode('utf-8')
+            clipboard_set(text)
             return
         except:
             pass