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# Fedora Developer Shell
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Authors: Yaakov M. Nemoy <ynemoy@redhat.com>
#
from __future__ import with_statement
from configobj import ConfigObj
from os import getcwd
from os.path import abspath, exists
from util import pwd, log
from exceptions import ExecutionException
directory_type = dict()
def register_directory(cls, name):
global directory_type
directory_type[name] = cls
buildsystem_type = dict()
def register_buildsystem(cls, name):
global buildsystem_type
buildsystem_type[name] = cls
class BuildSystemFactory(object):
def __new__(cls, type, *args):
new_cls = buildsystem_type[type]
foo = new_cls.__new__(new_cls, *args)
foo.__init__(*args)
return foo
class DirFactory(object):
'''creates a new object of type defined by a directory's .devshell file'''
def __new__(cls, name=None):
if not name:
log.debug('no name with dirfactory')
dir = getcwd()
type = whatis_sysdir(dir)
else:
log.debug('dirfactory.new with name ' + name)
dir = abspath(name)
if not exists(dir):
type = 'directory'
else:
type = whatis_sysdir(dir)
try:
new_cls = directory_type[type]
except KeyError, e:
raise ExecutionException(e, 'the directory type %s is not supported by this installation of fedora-deveshell' % type.capitalize())
foo = new_cls.__new__(new_cls, name)
foo.__init__(name)
return foo
def whatis_sysdir(dir):
''' given a dir, determine it's type'''
with pwd(dir):
cfg = ConfigObj('.devshell')
try:
type = cfg['type']
log.debug('is type ' + type)
return type
except KeyError, e:
return 'directory'
__all__ = ['DirFactory', 'BuildSystemFactory', 'register_directory', 'register_buildsystem']
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