def update_format(cls):
"""reread json format file and update node tree"""
if cls.curr_format_file is None:
return
text = cls.get_curr_format_text()
try:
cls.root_input_type = get_root_input_type_from_json(text)
except Exception as e:
from os.path import join
file_name = join(cls.format_dir, cls.curr_format_file + ".json")
cls._report_error("Can't parse format file: " + file_name , e)
else:
InfoTextGenerator.init(text)
cls.autocomplete_helper.create_options(cls.root_input_type)
cls.update()
