https://github.com/Woerd88/script.module.hachoir Use Git Bash on Windows: find ./ -type f -exec sed -i -e 's/from hachoir/from resources.lib.externals.hachoir.hachoir/g' {} \; find ./ -type f -exec sed -i -e 's/import hachoir/import resources.lib.externals.hachoir.hachoir/g' {} \; find ./ -type f -exec sed -i -e 's/hachoir_core.PACKAGE/resources.lib.externals.hachoir.hachoir_core.PACKAGE/g' {} \; In parser.paser_list.py, replace: module = __import__("hachoir_parser") with import imp,os name = '__init__' path = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '__init__.py')) module = imp.load_source(name, path) Add to hc_metadata/metadata.py/MultipleMetadata def groups(self): return self.__groups