text: # -*- encoding: ascii -*-
  """
  Dependencies
  ~~~~~~~~~~~~
  
  """
  
  import os as _os
  
  import invoke as _invoke
  
  
  @_invoke.task()
  def old(ctx):
      """ List outdated python packages """
      with ctx.shell.root_dir():
          ctx.run('pip list -o', echo=True)
  
  
  @_invoke.task()
  def package(ctx, upgrade=False):
      """ Update python dependencies, excluding development """
      with ctx.shell.root_dir():
          ctx.run('pip install %s-e .' % ('-U ' if upgrade else '',), echo=True)
  
  
  @_invoke.task(default=True)
  def dev(ctx, upgrade=False):
      """ Update python dependencies, including development """
      with ctx.shell.root_dir():
          ctx.run('pip install %s-r development.txt'
                  % ('-U ' if upgrade else '',), echo=True)
  
  
  @_invoke.task()
  def reset(ctx, python=False, upgrade=False):
      """ Reset your virtual env """
      cmd = "bash -il %s/reset.sh"
      if python:
          cmd += ' -p'
      if upgrade:
          cmd += ' -u'
      cmd += ' %s'
      with ctx.shell.root_dir():
          pwd = _os.getcwd()
          ctx.run(ctx.c(cmd, ctx.shell.native(_os.path.dirname(__file__)), pwd),
                  pty=True)
  