text: __all__ = ['libchannelizer']
  
  import pkgutil
  import importlib
  
  stream_sel_map = {}
  for loader, name, is_pkg in pkgutil.iter_modules(__path__):
  	module = importlib.import_module('auspex.filters.' + name)
  	if hasattr(module, "__all__"):
  		globals().update((name, getattr(module, name)) for name in module.__all__)
  		for name in module.__all__:
  			stream_sel_map.update({name:getattr(module,name)})
  