new_contents: import argparse
  import subprocess
  
  parser = argparse.ArgumentParser()
  parser.add_argument("package_list", help="List of packages for which" +
                      " recipies will be created")
  args = parser.parse_args()
  
  package_names = [package.strip() for package in
                   open(args.package_list, 'r').readlines()]
  
  log_dir = "./logs/"
  recipes_dir = "./recipes/"
  
  build_log_file = open(log_dir + 'build_log', 'w')
  
  successes = []
  failures = []
  
  for package in package_names:
      msg = "Creating Conda recipe for %s\n" % (package)
      print(msg)
      err = subprocess.call(['conda', 'build', recipes_dir + package],
                            stdout=build_log_file, stderr=build_log_file)
      if err is 0:
          msg = "Succesfully build conda package for %s\n" % (package)
          successes.append(package)
      else:
          msg = "Failed to conda package for %s\n" % (package)
          failures.append(package)
      print(msg)
  
  build_log_file.close()
  
  successful_recipes_file = open(log_dir + 'successful_builds', 'w')
  failed_recipes_file = open(log_dir + 'failed_builds', 'w')
  
  successful_recipes_file.write('\n'.join(successes))
  failed_recipes_file.write('\n'.join(failures))
  
  successful_recipes_file.close()
  failed_recipes_file.close()
  
subject: Add script to build conda recipes