text: 
  from __future__ import absolute_import
  from . import particles
  from . import couplings
  from . import lorentz
  from . import parameters
  from . import vertices
  from . import coupling_orders
  from . import write_param_card
  
  
  all_particles = particles.all_particles
  all_vertices = vertices.all_vertices
  all_couplings = couplings.all_couplings
  all_lorentz = lorentz.all_lorentz
  all_parameters = parameters.all_parameters
  all_orders = coupling_orders.all_orders
  all_functions = function_library.all_functions
  
  try:
     import decays
  except ImportError:
     pass
  else:
     all_decays = decays.all_decays
  
  
  gauge = [0, 1]
  
  
  __author__ = "N. Christensen, C. Duhr"
  __date__ = "02. 06. 2009"
  __version__= "1.3"
  