# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1481840748 -3600
# Node ID 4ef5d5e656c050d269771a1ebb876f8a921bc04f
# Parent  1fc56d3a9ac851cc3221f0d34b232028d1dfdcae
Added a getpreferredencoding function.

diff -r 1fc56d3a9ac8 -r 4ef5d5e656c0 lib/locale.py
--- a/lib/locale.py	Thu Dec 15 23:25:10 2016 +0100
+++ b/lib/locale.py	Thu Dec 15 23:25:48 2016 +0100
@@ -30,6 +30,32 @@
 LC_MESSAGES = 5
 LC_ALL = 6
 
+def getlocale(category=LC_CTYPE):
+
+    "Return the locale value for 'category'."
+
+    check_int(category)
+    return _getlocale(category)
+
+def getpreferredencoding():
+
+    "Return the encoding from the environment's locale."
+
+    s = getlocale()
+
+    try:
+        dot = s.index(".")
+        return s[dot+1:]
+    except ValueError:
+        return None
+
+def initlocale(category=LC_CTYPE):
+
+    "Initialise the locale for 'category' from the environment."
+
+    check_int(category)
+    return _setlocale(category, "")
+
 def setlocale(category, value):
 
     "Set the locale for 'category' to 'value'."
@@ -38,18 +64,4 @@
     check_string(value)
     return _setlocale(category, value)
 
-def getlocale(category=LC_CTYPE):
-
-    "Return the locale value for 'category'."
-
-    check_int(category)
-    return _getlocale(category)
-
-def initlocale(category=LC_CTYPE):
-
-    "Initialise the locale for 'category' from the environment."
-
-    check_int(category)
-    return _setlocale(category, "")
-
 # vim: tabstop=4 expandtab shiftwidth=4