1 files changed, 20 insertions, 12 deletions
diff --git a/archive_folder.py b/archive_folder.py
index 2b3ba14..e321dfe 100755
--- a/archive_folder.py
+++ b/archive_folder.py
@@ -27,23 +27,15 @@ log = logging.getLogger('imapArch')
 class ServerError(IOError):
     pass
 
-
 class FolderError(IOError):
     pass
 
-
 class MessageError(IOError):
     pass
 
 Capas = collections.namedtuple('Capas', ['MOVE', 'UIDPLUS'])
 
 
-def get_config():
-    config = configparser.ConfigParser()
-    config.read(os.path.expanduser('~/.config/imap_archiver.cfg'))
-    return config
-
-
 class Message(object):
     """Abstraction over one email message."""
     def __init__(self, client, uid):
@@ -194,10 +186,17 @@ class Folder(object):
 
 class EmailServer(object):
     def __init__(self, serverKey=None, archive_root=None):
-        config = get_config()
+        config = self.get_config()
         acc_name = serverKey if serverKey is not None \
             else config['general']['account']
-        self.cfg = dict(config.items(acc_name))
+        if config.has_section(acc_name):
+            self.cfg = dict(config.items(acc_name))
+        else:
+            self.cfg = {
+                'host': 'localhost',
+                'username': 'unknown',
+                'password': 'verysecret'
+            }
         self.archive_root = archive_root
         self.__box = self.__login(**self.cfg)
 
@@ -215,6 +214,15 @@ class EmailServer(object):
         box.features_present = Capas._make(['MOVE' in capas, 'UIDPLUS' in capas])
         log.debug('features_present = %s', box.features_present)
 
+    @staticmethod
+    @functools.lru_cache()
+    def get_config():
+        # In case the configuration file is missing, only empty list will be
+        # returned
+        config = configparser.ConfigParser()
+        config.read(os.path.expanduser('~/.config/imap_archiver.cfg'))
+        return config
+
     def archive_folder(self, folder_name, before_date):
         # type: (str, datetime.date) -> None
         """
@@ -270,8 +278,8 @@ if __name__ == '__main__':
 
     args = argp.parse_args()
 
-    if args.cmd == 'list':
-        config = get_config()
+    if args.cmd == 'servers':
+        config = EmailServer.get_config()
         sects = set(config.keys()) - {'DEFAULT', 'general'}
         print('Available servers:\n%s' % tuple(sects))
     else: