bzr branch
http://bzr.ed.am/stdhome
8
by Tim Marston
added diff command; moved all command to commands subdir; made stage-revert |
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# init.py |
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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# |
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# Copyright (C) 2013 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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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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import sys, os, re, getopt, shutil, subprocess |
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by Tim Marston
added diff command; moved all command to commands subdir; made stage-revert |
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from command import Command |
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import stdhome.the as the |
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from stdhome.deployment import Deployment |
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class InitCommand( Command ): |
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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def print_help( self ): |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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print "Usage: " + the.program.name + " init [URL] [--repo=REPO]" |
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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# 01234567890123456789012345678901234567890123456789012345678901234567890123456789 |
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print "Initialise a local repository." |
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print "If an URL is given, the local reposity is a checkout of it (i.e., you can" |
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print "receive updates from it and changes you commit will be sent to it). The URL" |
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print "can take the form of a simple hostname, such as \"example.com\", or it can be a" |
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print "fully-qualified bazaar URL. (Actually, in the first case, where it is a simple" |
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print "hostname, it is internally expanded to scp://HOSTNAME/~/.stdhome/REPO)." |
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print "Options:" |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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print " -r, --repo=REPO select the repo to check-out or create (defaults to 'home')" |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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print " -v, --verbose display information about what is being done" |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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print " --help display help and exit" |
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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exit( 0 ) |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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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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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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if opt in [ '--repo', '-r' ]: |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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if not re.match( '^[-a-zA-z0-9.]+$', optarg ): |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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raise the.program.FatalError( |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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'invalid repository name: ' + optarg ) |
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by Tim Marston
read ~/.stdhomerc; commands set repo before run(); program performs late |
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the.repo = optarg |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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elif opt in [ '--verbose', '-v' ]: |
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by Tim Marston
added diff command; moved all command to commands subdir; made stage-revert |
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the.verbose += 1 |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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elif opt == "--help": |
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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self.print_help() |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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# discard first argument (the command) |
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args.pop( 0 ) |
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# URL argument |
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self.url = args[ 0 ].strip() if len( args ) else None |
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by Tim Marston
made checks for verbose >= 1 explicit |
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# check remaining arguments |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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if len( args ) > 1: |
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raise the.program.UsageError( 'too many arguments' ) |
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def run( self ): |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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# set up repo and check it *doesn't* already exists |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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the.repo.check_dir_exists( False ) |
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# ensure our top-level directory exists |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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if not os.path.exists( the.full_dir ): |
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os.mkdir( the.full_dir ) |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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# checkout a remote repo, or create an empty local one? |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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if self.url: |
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# expand url if it's a simple hostname |
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if re.match( '^[0-9a-zA-z.]+$', self.url ): |
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by Tim Marston
switch to using bzr+ssh, rather than sftp (to work around broken pimiko) |
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self.url = 'bzr+ssh://%s/%s/%s' % \ |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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( self.url, the.dir, the.repo.name ) |
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# initialise deployment (with an empty repo) |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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deployment = Deployment() |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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deployment.copy_in() |
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# perform bzr checkout |
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by Tim Marston
made checks for verbose >= 1 explicit |
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if the.verbose >= 1: print "checking out %s" % the.repo.dir |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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try: |
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the.repo.vcs.checkout( self.url ) |
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except Exception as e: |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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# attempt to clean-up repo dir |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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try: |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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shutil.rmtree( the.repo.full_dir ) |
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except OSError: |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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pass |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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raise e |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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# perform deployment |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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try: |
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deployment.copy_out() |
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except deployment.Conflict as e: |
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raise the.program.FatalError( e.msg ) |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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else: |
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# perform bzr init |
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by Tim Marston
made checks for verbose >= 1 explicit |
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if the.verbose >= 1: print 'initialising %s' % the.repo.dir |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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try: |
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the.repo.vcs.init() |
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except Exception as e: |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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# attempt to clean-up repo dir, and die |
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try: |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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shutil.rmtree( the.repo.full_dir ) |
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except OSError: |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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pass |
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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raise e |