1 files changed, 27 insertions, 0 deletions
diff --git a/tools/patman/tools.py b/tools/patman/tools.py
index 7e6a45a3b0..976670ef00 100644
--- a/tools/patman/tools.py
+++ b/tools/patman/tools.py
@@ -290,3 +290,30 @@ def FromUnicode(val):
     if sys.version_info[0] >= 3:
         return val
     return val if isinstance(val, str) else val.encode('utf-8')
+
+def ToByte(ch):
+    """Convert a character to an ASCII value
+
+    This is useful because in Python 2 bytes is an alias for str, but in
+    Python 3 they are separate types. This function converts the argument to
+    an ASCII value in either case.
+
+    Args:
+        ch: A string (Python 2) or byte (Python 3) value
+
+    Returns:
+        integer ASCII value for ch
+    """
+    return ord(ch) if type(ch) == str else ch
+
+def ToChar(byte):
+    """Convert a byte to a character
+
+    This is useful because in Python 2 bytes is an alias for str, but in
+    Python 3 they are separate types. This function converts an ASCII value to
+    a value with the appropriate type in either case.
+
+    Args:
+        byte: A byte or str value
+    """
+    return chr(byte) if type(byte) != str else byte