Add new command updateconfig to admin command. This acts like

genconfig but loads the current tracker's config.ini rather than a new
default config.

Author: rouilj

roundup/admin.py

@@ -26,7 +26,7 @@
 from roundup import date, hyperdb, roundupdb, init, password, token
 from roundup import __version__ as roundup_version
 import roundup.instance
-from roundup.configuration import CoreConfig
+from roundup.configuration import CoreConfig, NoConfigError
 from roundup.i18n import _
 from roundup.exceptions import UsageError
 
@@ -470,16 +470,29 @@ def _get_choice(self, list_name, prompt, options, argument, default=None):
                 return default
         return argument
 
-    def do_genconfig(self, args):
+    def do_genconfig(self, args, update=False):
         ''"""Usage: genconfig <filename>
         Generate a new tracker config file (ini style) with default values
         in <filename>.
         """
         if len(args) < 1:
             raise UsageError(_('Not enough arguments supplied'))
-        config = CoreConfig()
+        if update:
+            # load current config for writing
+            config = CoreConfig(self.tracker_home)
+        else:
+            # generate default config
+            config = CoreConfig()
         config.save(args[0])
 
+    def do_updateconfig(self, args):
+        ''"""Usage: updateconfig <filename>
+        Generate an updated tracker config file (ini style) in
+        <filename>. Use current settings from existing roundup
+        tracker in tracker home.
+        """
+        self.do_genconfig(args, update=True)
+
     def do_initialise(self, tracker_home, args):
         ''"""Usage: initialise [adminpw]
         Initialise a new Roundup tracker.
@@ -1488,6 +1501,10 @@ def run_command(self, args):
             self.tracker_home = ''
             print _("Error: Couldn't open tracker: %(message)s")%locals()
             return 1
+        except NoConfigError, message:
+            self.tracker_home = ''
+            print _("Error: Couldn't open tracker: %(message)s")%locals()
+            return 1
 
         # only open the database once!
         if not self.db: