return output

 def get_windows_reg_env(varname, default=''):

     Ask for paths commonly used but not exposed as ENVs in english Windows 2003

     those are:

             'AppData' = %USERPROFILE%\Application Data (also an ENV)

             # We match from our list of emoticons, but they must either have

             # whitespace, or another emoticon next to it to match successfully

             # [\w.] alphanumeric and dot (for not matching 8) in (2.8))

                 emoticons_pattern_prematch[:-1] + '))' + '(?:' + \

                 emoticons_pattern_postmatch[:-1] + '))'

         # because emoticons match later (in the string) they need to be after

     @staticmethod

     @log_calls('PluginManager')

     def scan_dir_for_plugins(path, scan_dirs=True):

         Scans given directory for plugin classes.

         :param path: directory to scan for plugins