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# command.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/>.
import os
import stdhome.the as the
from stdhome.walker.walker import Walker
class Command:
"""Base class for command classes.
"""
@staticmethod
def expand_files( files ):
"""Returns a unique, sorted list of relative files, calculated from the list of
files provided, which is made up from individual files and directories
to scan that are all relative to the CWD and must be contained within
the home directory.
"""
ret = list()
home_dir_prefix = os.path.realpath( the.full_home_dir ) + os.sep
# iterate through file list
for file in files:
abs_file = os.path.realpath( file )
# check the file is in the home directory
if abs_file[ : len( home_dir_prefix ) ] != home_dir_prefix:
raise the.program.FatalError(
'not in home directory: %s' % abs_file )
# relative file
rel_file = abs_file[ len( home_dir_prefix ) : ]
# check if file exists in repository
repo_file = os.path.join( the.repo.full_dir, rel_file )
if not os.path.lexists( repo_file ):
raise the.program.FatalError(
'not managed by stdhome: %s' % rel_file )
# append the file or directory tree
ret.extend( Walker.generate_walk_list(
the.repo.full_dir, rel_file ) )
return ret
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