remove default action as a separate file

hdlmake/action/default.py

-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-#
-# Copyright (c) 2013 CERN
-# Author: Pawel Szostek (pawel.szostek@cern.ch)
-#
-# This file is part of Hdlmake.
-#
-# Hdlmake is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Hdlmake is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Hdlmake.  If not, see <http://www.gnu.org/licenses/>.
-
-import logging
-import sys
-
-from action import Action
-from simulation import GenerateSimulationMakefile
-from ise_project import GenerateISEProject
-from quartus_project import GenerateQuartusProject
-from ise_makefile import GenerateISEMakefile
-from remote_synthesis import GenerateRemoteSynthesisMakefile
-
-
-class Default(Action):
-    def run(self):
-        self._check_manifest()
-        tm = self.top_module
-
-        if not self.modules_pool.is_everything_fetched():
-            self.fetch(unfetched_only=True)
-
-        if tm.action == "simulation":
-            simulation_makefile = SimulationMakefile(modules_pool=self.modules_pool, options=self.options, env=self.env)
-            simulation_makefile.run()
-
-        elif tm.action == "synthesis":
-
-            if tm.target == "xilinx":
-                ise_project = ISEProject(modules_pool=self.modules_pool, options=self.options, env=self.env)
-                ise_project.run()
-
-                ise_makefile = ISEProject(modules_pool=self.modules_pool, options=self.options, env=self.env)
-                ise_makefile.run()
-
-                remote_synthesis = ISEProject(modules_pool=self.modules_pool, options=self.options, env=self.env)
-                remote_synthesis.run()
-            elif tm.target == "altera":
-                quartus_project = QuartusProject(modules_pool=self.modules_pool, options=self.options, env=self.env)
-                quartus_project.run()
-            else:
-                logging.error("Unrecognized target: %s" % tm.target)
-                sys.exit("Exiting")
-
-    def _check_manifest(self):
-        if self.top_module.action != "simulation" and self.top_module.action != "synthesis":
-            logging.error("'action' variable must be defined in the top manifest\n"
-                          "Allowed values are: \"simulation\" or \"synthesis\"\n"
-                          "This variable in a manifest file is necessary for Hdlmake\n"
-                          "to be able to know what to do with the given modules' structure.\n"
-                          "For more help type `hdlmake --help'\n"
-                          "or visit http://www.ohwr.org/projects/hdl-make")
-            sys.exit("Exiting")
-
-        if self.top_module.syn_project is None:
-            logging.error("syn_project variable must be defined in the manifest")
-            sys.exit("Exiting")