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# vim: set fileencoding=utf-8 :
#
# (C) 2006,2007 Guido Guenther <agx@sigxcpu.org>
"""handles command line and config file option parsing for the gbp commands"""
from optparse import OptionParser, OptionGroup
from ConfigParser import SafeConfigParser
import os.path
from gbp.gbp_version import gbp_version
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 -i\.git/ -I.git',
'cleaner' : 'debuild clean',
'debian-branch' : 'master',
'upstream-branch' : 'upstream',
'pristine-tar' : 'False',
'sign-tags' : 'False',
'no-create-orig' : 'False',
'keyid' : '',
'posttag' : '',
'debian-tag' : 'debian/%(version)s',
'upstream-tag' : 'upstream/%(version)s',
'filter' : [],
'snapshot-number' : 'snapshot + 1',
'git-log' : '--no-merges',
'export-dir' : '',
'tarball-dir' : '',
'ignore-new' : 'False',
'meta' : 'False',
'id-length' : '0',
'no-dch' : 'False',
}
config_files = [ '/etc/git-buildpackage/gbp.conf',
os.path.expanduser('~/.gbp.conf'),
'.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.update(dict(parser.items(self.command, raw=True)))
# filter can be either a list or a string, always build a list:
if self.config['filter']:
if self.config['filter'].startswith('['):
self.config['filter'] = eval(self.config['filter'])
else:
self.config['filter'] = [ self.config['filter'] ]
def __init__(self, command, prefix='', usage=None):
self.command = command
self.prefix = prefix
self.config = {}
self.__parse_config_files()
OptionParser.__init__(self, usage=usage, version='%s %s' % (self.command, gbp_version))
def get_default(self, option_name, **kwargs):
default = self.config[option_name]
if kwargs.has_key('action'):
if kwargs['action'] in [ 'store_true', 'store_false' ] and self.config[option_name]:
if self.config[option_name] in [ 'True', 'False' ]:
default = eval(self.config[option_name])
else:
raise ValueError, "Boolean options must be True or False"
return default
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
"""
OptionParser.add_option(self, "--%s%s" % (self.prefix, option_name), dest=dest,
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\:·:
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