old_contents: # Copyright 2014-2015 0xc0170
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  import os
  import logging
  
  from ..generate import Generator
  
  help = 'Clean generated projects'
  
  
  def run(args):
      if os.path.exists(args.file):
          generator = Generator(args.file)
          for project in generator.generate(args.project):
              project.clean(args.tool)
      else:
          # not project known by pgen
          logging.warning("%s not found." % args.file)
          return -1
      return 0
  
  def setup(subparser):
      subparser.add_argument("-f", "--file", help="YAML projects file", default='projects.yaml')
      subparser.add_argument("-p", "--project", required = True, help="Specify which project to be removed")
      subparser.add_argument(
          "-t", "--tool", required = True, help="Clean project files for specified tool")
  
new_contents: # Copyright 2014-2015 0xc0170
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  import os
  import logging
  
  from ..generate import Generator
  
  help = 'Clean generated projects'
  
  
  def run(args):
      if os.path.exists(args.file):
          generator = Generator(args.file)
          for project in generator.generate(args.project):
              project.clean(args.tool)
      else:
          # not project known by pgen
          logging.warning("%s not found." % args.file)
          return -1
      return 0
  
  def setup(subparser):
      subparser.add_argument("-f", "--file", help="YAML projects file", default='projects.yaml')
      subparser.add_argument("-p", "--project", required = True, help="Specify which project to be removed")
      subparser.add_argument(
          "-t", "--tool", help="Clean project files")
  
subject: Clean - tool is not required, as tool_supported are there