/stdhome

# vcs.py

#

# Copyright (C) 2014 Tim Marston <tim@edm.am>

#

# This file is part of stdhome (hereafter referred to as "this program").

# See http://ed.am/dev/stdhome for more information.

#

# 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, either version 3 of the License, or

# (at your option) any later version.

#

# 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 General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

class Vcs:

	vcses = [ 'bzr' ]

	@staticmethod

	def instantiate_vcs( vcs, full_dir ):

		# calculate module and class name

		class_name = module_name = ''

		bits = vcs.split( '-' )

		for bit in bits:

			class_name += bit[ 0 ].upper() + bit[ 1 : ]

			if module_name: module_name += '_'

			module_name += bit

		class_name += 'Vcs'

		module_name = 'stdhome.vcs.' + module_name

		# instantiate

		module = __import__( module_name, fromlist = [ class_name ] )

		return getattr( module, class_name )( full_dir )

	class VcsError( Exception ):

		def __init__( self, message, output = None ):

			self.msg = message

			self.output = output