parameters: (project, name, generator, target_type, properties, sources)
docstring: Returns usage requirements + list of created targets.
docstring_summary: Returns usage requirements + list of created targets.
docstring_tokens: Returns usage requirements + list of created targets .
function: def try_one_generator_really (project, name, generator, target_type, properties, sources):
      """ Returns usage requirements + list of created targets.
      """
      if __debug__:
          from .targets import ProjectTarget
          assert isinstance(project, ProjectTarget)
          assert isinstance(name, basestring) or name is None
          assert isinstance(generator, Generator)
          assert isinstance(target_type, basestring)
          assert isinstance(properties, property_set.PropertySet)
          assert is_iterable_typed(sources, virtual_target.VirtualTarget)
      targets = generator.run (project, name, properties, sources)
  
      usage_requirements = []
      success = False
  
      dout("returned " + str(targets))
  
      if targets:
          success = True;
  
          if isinstance (targets[0], property_set.PropertySet):
              usage_requirements = targets [0]
              targets = targets [1]
  
          else:
              usage_requirements = property_set.empty ()
  
      dout(  "  generator" + generator.id() + " spawned ")
      #    generators.dout [ indent ] " " $(targets) ;
  #    if $(usage-requirements)
  #    {
  #        generators.dout [ indent ] "  with usage requirements:" $(x) ;
  #    }
  
      if success:
          return (usage_requirements, targets)
      else:
          return None
function_tokens: def try_one_generator_really ( project , name , generator , target_type , properties , sources ) : if __debug__ : from . targets import ProjectTarget assert isinstance ( project , ProjectTarget ) assert isinstance ( name , basestring ) or name is None assert isinstance ( generator , Generator ) assert isinstance ( target_type , basestring ) assert isinstance ( properties , property_set . PropertySet ) assert is_iterable_typed ( sources , virtual_target . VirtualTarget ) targets = generator . run ( project , name , properties , sources ) usage_requirements = [ ] success = False dout ( "returned " + str ( targets ) ) if targets : success = True if isinstance ( targets [ 0 ] , property_set . PropertySet ) : usage_requirements = targets [ 0 ] targets = targets [ 1 ] else : usage_requirements = property_set . empty ( ) dout ( "  generator" + generator . id ( ) + " spawned " ) #    generators.dout [ indent ] " " $(targets) ; #    if $(usage-requirements) #    { #        generators.dout [ indent ] "  with usage requirements:" $(x) ; #    } if success : return ( usage_requirements , targets ) else : return None