Source code for traits.util.import_symbol

""" A function to import symbols. """


[docs]def import_symbol(symbol_path): """ Import the symbol defined by the specified symbol path. Examples -------- import_symbol('tarfile:TarFile') -> TarFile import_symbol('tarfile:TarFile.open') -> TarFile.open To allow compatibility with old-school traits symbol names we also allow all-dotted paths, but in this case you can only import top-level names from the module. import_symbol('tarfile.TarFile') -> TarFile """ if ':' in symbol_path: module_name, symbol_name = symbol_path.split(':') module = __import__(module_name, {}, {}, [symbol_name], 0) symbol = eval(symbol_name, module.__dict__) else: components = symbol_path.split('.') module_name = '.'.join(components[:-1]) symbol_name = components[-1] module = __import__(module_name, {}, {}, [symbol_name], 0) symbol = getattr(module, symbol_name) return symbol #### EOF ######################################################################