add GbpOptionGroup

so we can use default values in option groups

1 files changed, 16 insertions, 1 deletions

diff --git a/gbp/config.py b/gbp/config.py
index 86ece2e5..b4d7d2e8 100644
--- a/gbp/config.py
+++ b/gbp/config.py
@@ -3,7 +3,7 @@
 # (C) 2006,2007 Guido Guenther <agx@sigxcpu.org>
 """handles command line and config file option parsing for the gbp commands"""
 
-from optparse import OptionParser
+from optparse import OptionParser, OptionGroup
 from ConfigParser import SafeConfigParser
 import os.path
 from gbp.gbp_version import gbp_version
@@ -95,4 +95,19 @@ class GbpOptionParser(OptionParser):
                                 default=self.get_default(option_name, **kwargs),
                                 help=help % self.config, **kwargs)
 
+class GbpOptionGroup(OptionGroup):
+    def add_config_file_option(self, option_name, dest, help, **kwargs):
+        """
+        set a option for the command line parser, the default is read from the config file
+        @var option_name: name of the option
+        @type option_name: string
+        @var dest: where to store this option
+        @type dest: string
+        @var help: help text
+        @type help: string
+        """
+        OptionGroup.add_option(self, "--%s%s" % (self.parser.prefix, option_name), dest=dest,
+                                default=self.parser.get_default(option_name, **kwargs),
+                                help=help % self.parser.config, **kwargs)
+
 # vim:et:ts=4:sw=4:et:sts=4:ai:set list listchars=tab\:»·,trail\:·: