old_contents: # (c) 2012, Jan-Piet Mens <jpmens(at)gmail.com>
  #
  # This file is part of Ansible
  #
  # Ansible 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.
  #
  # Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.
  
  from ansible import utils, errors
  import os
  
  class LookupModule(object):
  
      def __init__(self, basedir=None, **kwargs):
          self.basedir = basedir
  
      def run(self, terms, inject=None, **kwargs):
  
          terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject) 
  
          if isinstance(basestring, terms):
              terms = [ terms ]
  
          ret = []
          for term in terms:
              var = term.split()[0]
              ret.append(os.getenv(var, ''))
          return ret
  
new_contents: # (c) 2012, Jan-Piet Mens <jpmens(at)gmail.com>
  #
  # This file is part of Ansible
  #
  # Ansible 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.
  #
  # Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.
  
  from ansible import utils, errors
  import os
  
  class LookupModule(object):
  
      def __init__(self, basedir=None, **kwargs):
          self.basedir = basedir
  
      def run(self, terms, inject=None, **kwargs):
  
          terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject) 
  
          if isinstance(terms, basestring):
              terms = [ terms ]
  
          ret = []
          for term in terms:
              var = term.split()[0]
              ret.append(os.getenv(var, ''))
          return ret
  
subject: fix arguments to isinstance() in env lookup