implemented ecoding/decoding in commonchars.py

text_codecs/evaluate.py

@@ -72,4 +72,20 @@ if args.encodings:
     print(tabulate(results, headers="keys"))
 if args.inspect:
     print(inspect_encoded_text(args.inspect, args.text))
+    
+def register_codec(encode, decode, name):
+    """Registers a codec so that it can later be used to encode
+    or decode strings and bytes.
+    """
+    def encode_wrapper(text):
+        return encode(text), len(text)
 
+    def decode_wrapper(data):
+        return decode(data), len(data)
+
+    def search_for_codec(query):
+        if query == name:
+            return codecs.CodecInfo(encode_wrapper, decode_wrapper, name=name)
+
+    codecs.register(search_for_codec)
+    codecs.register(search_for_codec)