[py3k] compat: add str_to_bytes and str_encode

In py3k, things are different: we will sometimes need to convert str to bytes
if we want to write data into a file;
and on other times we don't need to encode str to something

1 files changed, 1 insertions, 5 deletions

diff --git a/configuration.py b/configuration.py
index fefe519..4357fcf 100644
--- a/configuration.py
+++ b/configuration.py
@@ -114,6 +114,7 @@ from ConfigParser import ConfigParser, NoOptionError, NoSectionError, \
 from warnings import warn
 
 from logilab.common.compat import set, reversed, callable, raw_input
+from logilab.common.compat import str_encode as _encode
 
 from logilab.common.textutils import normalize_text, unquote
 from logilab.common.deprecation import deprecated
@@ -134,11 +135,6 @@ def _get_encoding(encoding, stream):
         encoding = locale.getpreferredencoding()
     return encoding
 
-def _encode(string, encoding):
-    if isinstance(string, unicode):
-        return string.encode(encoding)
-    return str(string)
-
 
 # validation functions ########################################################