code: def export(context, keywords, module, update):
      
      logging.info(_('Export Mode'))
      database = context.obj['sense']
      none = True
      if update:
          exports = OrderedDict()
          from .executables.pe import PE
          for filename in keywords:
              module = split_ext(filename, basename=True)[0]
              with open(filename, 'rb') as stream:
                  exports.update(
                      {module: PE(stream).get_export_table()})
          database.make_export(exports)
          none = False
      elif module:
          for module_name in keywords:
              funcs = database.query_module_funcs(module_name)
              if funcs:
                  none = False
                  print(', '.join(map(str, funcs)))
              else:
                  logging.warning(_('No function for module: %s'),
                                  module_name)
      else:
          for func_name in keywords:
              module_name = database.query_func_module(func_name)
              if module_name:
                  none = False
                  print(repr(module_name))
              else:
                  logging.warning(_('No module for function: %s'),
                                  func_name)
      sys.exit(1 if none else 0)
docs: Operate on libraries and exported functions.
  
      Query the module name containing the function by default.
  
      Windows database must be prepared before using this.