text: from .find import find
  from pygears import Intf
  from pygears.lib import dreg as _dreg, decouple as _decouple
  
  
  def pipeline(port_name):
      insert_module(port_name, _dreg)
  
  
  def decouple(port_name, depth=2):
      insert_module(port_name, _decouple(depth=depth))
  
  
  def insert_module(port_name, module):
      port = find(port_name)
  
      post_intf = port.consumer
      post_intf.disconnect(port)
      if hasattr(post_intf, 'var_name'):
          post_intf.var_name += '_' + module.definition.__name__
  
      pre_intf = Intf(post_intf.dtype)
      pre_intf.source(port)
  
      module(pre_intf, intfs=[post_intf])
  