1 files changed, 61 insertions, 0 deletions
diff --git a/git_buildpackage/config.py b/git_buildpackage/config.py
new file mode 100644
index 00000000..3a2c69d3
--- /dev/null
+++ b/git_buildpackage/config.py
@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+#
+# (C) 2006 Guido Guenther <agx@sigxcpu.org>
+"""handles command line and config file option parsing for the git-buildpackage"""
+
+from optparse import OptionParser
+from ConfigParser import SafeConfigParser
+import os.path
+
+class GBPOptionParser(OptionParser):
+    """
+    Handles commandline options and parsing of config files
+    @ivar command: the gbp command we store the options for
+    @type command: string
+    @ivar prefix: prefix to prepend to all commandline options
+    @type prefix: string
+    @ivar config: current configuration parameters
+    @type config: dict
+    @cvar defaults: defaults value of an option if not in the config file or
+    given on the command line
+    @type defaults: dict
+    @cvar config_files: list of config files we parse
+    @type config_files: list
+    """
+    defaults={ 'builder':         'debuild',
+               'debian-branch'   : 'debian',
+               'upstream-branch' : 'upstream',
+             }
+    config_files=['/etc/git-buildpackage/gbp.conf',
+                  os.path.expanduser('~/.gbp.conf'),
+                  '.git/gbp.conf' ]
+
+    def __parse_config_files(self):
+        """parse the possible config files and set appropriate values default values"""
+        parser=SafeConfigParser(self.defaults)
+        parser.read(self.config_files)
+        self.config=dict(parser.defaults())
+        if parser.has_section(self.command):
+            self.config=dict(parser.items(self.command))
+
+    def __init__(self, command, prefix='', usage=None):
+        self.command=command
+        self.prefix=prefix
+        self.__parse_config_files()
+        OptionParser.__init__(self, usage=usage)
+
+
+    def add_config_file_option(self, option_name, dest, help):
+        """
+        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
+        """
+        OptionParser.add_option(self,"--%s%s" % (self.prefix, option_name), dest=dest,
+                                         default=self.config[option_name], help=help % self.config)
+
+