plugins XEP-0234, file: moved human file size conversion to file plugi

src/plugins/plugin_misc_file.py

@@ -170,11 +170,14 @@ class FilePlugin(object):
             It may content the key used in CONFIRM constant
             It *MUST NOT* contain the "peer" key
             "file_path" will be added to this dict once destination selected
+            "size_human" will also be added with human readable file size
         @param profile: %(doc_profile)s
         return (defer.Deferred): True if transfer is accepted
         """
         filename = file_data['name']
         assert filename and not '/' in filename
+        # human readable size
+        file_data['size_human'] = u'{:.6n} Mio'.format(float(file_data['size'])/(1024**2))
         d = xml_tools.deferDialog(self.host,
             _(CONFIRM).format(peer=peer_jid.full(), **file_data),
             _(CONFIRM_TITLE),