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  • Committer: Tim Marston
  • Date: 2013-12-08 19:28:11 UTC
  • Revision ID: tim@ed.am-20131208192811-r20qj7cgmn4duw11
initial commit; basic app startup and initial command-line processing

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lib/stdhome/command_status.py
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# command_status.py
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#
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# Copyright (C) 2014 Tim Marston <tim@edm.am>
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#
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# This file is part of stdhome (hereafter referred to as "this program").
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# See http://ed.am/dev/stdhome for more information.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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import sys, re, getopt
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import the
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from deployment import Deployment
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from walker.status_walker import StatusWalker
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class CommandStatus:
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        def __init__( self ):
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                self.repo = None
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        def print_help( self ):
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                print "Usage: " + the.program.name + " status [--repo=REPO]"
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                print
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                #      01234567890123456789012345678901234567890123456789012345678901234567890123456789
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                print "Show the state of files in the local repository (including modifications and"
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                print "conflicts)."
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                print
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                print "This lists files in your home directory that have been modified and which differ"
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                print "from those in the local repository.  During an update that resulted in conflicts"
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                print "this also lists files which have conflicts in the local local respository, or"
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                print "which can not be deployed due to conflicts with your home directory."
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                print
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                print "For help with adding modified files to the repository, type:"
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                print "    " + the.program.name + " add --help"
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                print
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                print "Options:"
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                print "  -r, --repo=REPO  select the repo to check-out or create (defaults to 'home')"
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                print "  -v, --verbose    display information about what is being done"
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                print "      --help       display help and exit"
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                exit( 0 )
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        def parse_command_line( self ):
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                opts, args = getopt.gnu_getopt(
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                        sys.argv[ 1: ], "r:v",
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                        [ "repo=", "verbose", "help" ] )
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                for opt, optarg in opts:
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                        if opt in [ '--repo', '-r' ]:
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                                if not re.match( '^[-a-zA-z0-9.]+$', optarg ):
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                                        raise the.program.FatalError(
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                                                'invalid repository name: ' + optarg )
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                                self.repo = optarg
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                        elif opt in [ '--verbose', '-v' ]:
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                                the.verbose = True
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                        elif opt == "--help":
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                                self.print_help()
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                # discard first argument (the command)
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                args.pop( 0 )
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                # remaining arguments
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                if len( args ):
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                        raise the.program.UsageError( 'too many arguments' )
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        def run( self ):
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                # set up repo and check it exists
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                the.set_repo( self.repo )
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                the.repo.check_dir_exists()
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                message = ''
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                # initialise deployment and check if it's ongoing
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                deployment = Deployment()
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                if deployment.is_ongoing():
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                        # check for conflicts in repo
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                        files = the.repo.vcs.get_conflicts()
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                        if files:
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                                message += 'Conflicts in %s:\n  %s\n' % \
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                                                   ( the.repo.name, '\n  '.join( files ) )
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                        # get deployment conflicts
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                        conflicts = deployment.get_conflicts()
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                        if conflicts:
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                                message += 'Deployment conflicts:\n  %s\n' % \
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                                                   '\n  '.join( conflicts )
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                else:
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                        # check status
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                        walker = StatusWalker()
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                        walker.walk()
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                        if walker.modified:
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                                message += 'Modified:\n  %s\n' % \
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                                                   '\n  '.join( walker.modified )
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                        if walker.missing:
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                                message += 'Missing:\n  %s\n' % \
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                                                   '\n  '.join( walker.missing )
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                        if walker.changed:
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                                message += 'Type changed:\n  %s\n' % \
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                                                   '\n  '.join( walker.changed )
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                # show status
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                if message: print message.rstrip()