bzr branch
http://bzr.ed.am/stdhome
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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# command_init.py |
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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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import the, deployment |
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from subprocess import Popen |
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by Tim Marston
initial commit; basic app startup and initial command-line processing |
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class CommandInit: |
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by Tim Marston
added global objects (the.repo, the.program), deployment object and implemented |
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def __init__( self ): |
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self.repo = None |
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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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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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if [ '--repo', '-r' ].count( opt ): |
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if not re.match( '^[-a-zA-z0-9.]+$', optarg ): |
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raise the.FatalError( |
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'invalid repository name: ' + optarg ) |
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self.repo = optarg |
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elif [ '--verbose', '-v' ].count( opt ): |
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the.verbose = True |
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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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# remaining arguments |
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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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the.set_repo( self.repo ) |
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# repo dir must not already exist |
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the.repo.check_dir_exists( False ) |
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# ensure our top-level directory exists |
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if not os.path.exists( the.expanded_dir ): |
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os.mkdir( the.expanded_dir ) |
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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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self.url = 'sftp://%s/%s/%s' % \ |
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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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deployment = Deployment( self.repo ) |
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deployment.copy_in() |
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# perform bzr checkout |
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print "checking out %s" % the.repo.dir |
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p = Popen( [ 'bzr', 'co', self.url, the.repo.name ], |
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cwd = the.expanded_dir, |
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stdout = subprocess.PIPE, stderr = subprocess.STDOUT ) |
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out = p.communicate()[ 0 ] |
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if p.returncode > 0: |
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# attempt to clean-up repo dir, and die |
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try: |
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shutil.rmtree( the.repo.expanded_dir ) |
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except OSError as e: |
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pass |
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raise the.program.FatalError( 'checkout failed', out ) |
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# perform deployment |
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deployment.copy_out() |
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else: |
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# perform bzr init |
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print 'creating %s' % the.repo.dir |
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p = Popen( [ 'bzr', 'init', the.repo.name ], |
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cwd = the.expanded_dir, |
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stdout = subprocess.PIPE, stderr = subprocess.STDOUT ) |
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out = p.communicate()[ 0 ] |
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if p.returncode > 0: |
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# attempt to clean-up repo dir, and die |
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try: |
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shutil.rmtree( the.repo.expanded_dir ) |
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except OSError as e: |
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pass |
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raise the.program.FatalError( 'init failed', out ) |