Move force_uniceode to utils package

ebook_converter/utils/encoding.py

@@ -0,0 +1,20 @@
+from ebook_converter import constants_old
+
+
+def force_unicode(obj, enc=constants_old.preferred_encoding):
+    if isinstance(obj, bytes):
+        try:
+            obj = obj.decode(enc)
+        except Exception:
+            try:
+                obj = obj.decode(constants_old.filesystem_encoding
+                                 if enc == constants_old.preferred_encoding
+                                 else constants_old.preferred_encoding)
+            except Exception:
+                try:
+                    obj = obj.decode('utf-8')
+                except Exception:
+                    obj = repr(obj)
+                    if isinstance(obj, bytes):
+                        obj = obj.decode('utf-8')
+    return obj