xattr-helper: use upper caps for module constants

diff --git a/bin/xattr-helper.py b/bin/xattr-helper.py
index a85309f4d1c297c2285ec60124811b730d86591a..6d33017670b85200d96d422d7295c77bcc0d4b5b 100755 (executable)
--- a/bin/xattr-helper.py
+++ b/bin/xattr-helper.py
@@ -19,8 +19,10 @@ if hasattr(os, "getxattr"):
 else:
        import xattr
 
-_unquote_re = re.compile(br'\\[0-7]{3}')
-_fs_encoding = sys.getfilesystemencoding()
+
+_UNQUOTE_RE = re.compile(br'\\[0-7]{3}')
+_FS_ENCODING = sys.getfilesystemencoding()
+
 
 if sys.hexversion < 0x3000000:
 
@@ -29,7 +31,7 @@ if sys.hexversion < 0x3000000:
 
        def unicode_encode(s):
                if isinstance(s, unicode):
-                       s = s.encode(_fs_encoding)
+                       s = s.encode(_FS_ENCODING)
                return s
 else:
 
@@ -38,7 +40,7 @@ else:
 
        def unicode_encode(s):
                if isinstance(s, str):
-                       s = s.encode(_fs_encoding)
+                       s = s.encode(_FS_ENCODING)
                return s
 
 def quote(s, quote_chars):
@@ -68,7 +70,7 @@ def unquote(s):
        s_len = len(s)
 
        while pos < s_len:
-               m = _unquote_re.search(s, pos=pos)
+               m = _UNQUOTE_RE.search(s, pos=pos)
                if m is None:
                        result.append(s[pos:])
                        pos = s_len