old_contents: # Copyright 2013 Donald Stufft
  #
  # 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.
  from __future__ import absolute_import, division, print_function
  from __future__ import unicode_literals
  
  import argparse
  import pkg_resources
  
  import twine
  
  
  def _registered_commands(group='twine.registered_commands'):
      return list(pkg_resources.iter_entry_points(group=group))
  
  
  def dispatch(argv):
      registered_commands = _registered_commands()
      parser = argparse.ArgumentParser(prog="twine")
      parser.add_argument(
          "--version",
          action="version",
          version="%(prog)s version {0}".format(twine.__version__),
      )
      parser.add_argument(
          "command",
          choices=[c.name for c in registered_commands],
      )
      parser.add_argument(
          "args",
          help=argparse.SUPPRESS,
          nargs=argparse.REMAINDER,
      )
  
      args = parser.parse_args(argv)
  
      command = args.command
      for registered_command in registered_commands:
          if registered_command.name == command:
              break
      else:
          print("{0} is not a valid command.".format(command))
          raise SystemExit(True)
  
      main = registered_command.load()
  
      main(args.args)
  
new_contents: # Copyright 2013 Donald Stufft
  #
  # 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.
  from __future__ import absolute_import, division, print_function
  from __future__ import unicode_literals
  
  import argparse
  import pkg_resources
  
  import requests
  import pkginfo
  
  import twine
  
  
  def _registered_commands(group='twine.registered_commands'):
      return list(pkg_resources.iter_entry_points(group=group))
  
  
  def dep_versions():
      return 'pkginfo: {0}, requests: {1}'.format(
          pkginfo.Installed(pkginfo).version,
          # __version__ is always defined but requests does not always have
          # PKG-INFO to read from
          requests.__version__,
      )
  
  
  def dispatch(argv):
      registered_commands = _registered_commands()
      parser = argparse.ArgumentParser(prog="twine")
      parser.add_argument(
          "--version",
          action="version",
          version="%(prog)s version {0} ({1})".format(twine.__version__,
                                                      dep_versions()),
      )
      parser.add_argument(
          "command",
          choices=[c.name for c in registered_commands],
      )
      parser.add_argument(
          "args",
          help=argparse.SUPPRESS,
          nargs=argparse.REMAINDER,
      )
  
      args = parser.parse_args(argv)
  
      command = args.command
      for registered_command in registered_commands:
          if registered_command.name == command:
              break
      else:
          print("{0} is not a valid command.".format(command))
          raise SystemExit(True)
  
      main = registered_command.load()
  
      main(args.args)
  
subject: Print dependency versions with twine --version