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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
- files removed:
- lib/stdhome/command
- lib/stdhome/vcs
- lib/stdhome/walker
- files renamed:
- lib/stdhome/command/init.py => lib/stdhome/command_init.py
- lib/stdhome/program.py => lib/stdhome/stdhome.py
- files modified:
- .bzrignore
added
removed
lib/stdhome/stdhome.py
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# program.py
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# stdhome.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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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os, sys, getopt
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import the
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from vcs.vcs import Vcs
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class Program:
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import sys, os
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import getopt
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class Stdhome:
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def __init__( self, version ):
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self.name = os.path.basename( sys.argv[ 0 ] )
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self.version = version
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def die( self, error_message ):
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prefix = self.name + ( ' ' + the.command if the.command else '' )
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print >> sys.stderr, '%s: %s' % ( prefix, error_message )
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self.program = os.path.basename( sys.argv[ 0 ] )
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def print_usage( self, error_message ):
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print >> sys.stderr, self.program + ": " + error_message
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print >> sys.stderr, "Try '" + self.program + " --help' for more information."
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exit( 1 )
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def print_usage( self, error_message ):
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command = ' ' + the.command if the.command else ''
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self.die( error_message + \
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"\nTry '%s%s --help' for more information." % \
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( self.name, command ) )
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def print_help( self ):
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print "Usage: " + self.name + " COMMAND [OPTION]..."
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print "Usage: " + self.program + " COMMAND [OPTION]..."
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print
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# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
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print "Tool to manage a set of files in your home directory and distribute them across"
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print "multiple computers, merging local changes (in the same way as you would manage"
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print "source code under version control)."
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print "Manage your home directories, across multiple computers, similar to how you"
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print "would software under version control."
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print
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print "Global options (for all commands):"
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print " --help display help and exit"
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print " init initialise a local copy of your repositories"
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print " update update files in your home directory"
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print " resolve try to finish an update (that had conflicts)"
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# print " add add local files/changes to the repository"
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# print " remove remove a local file from the repository"
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print " status list files that have changed locally"
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print " diff shows changes made to local files"
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# print " revert undo changes made to a local file"
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# print " stage-add stage local files/changes"
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# print " stage-remove stage the removal of files"
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print " add add local files/changes to the repository"
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print " remove remove a local file from the repository"
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print " revert undo changes made to a local file"
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print " stage-add stage local files/changes"
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print " stage-remove stage the removal of files"
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print " stage-revert revert staged changes"
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# print " stage-status show status of staging area"
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# print " stage-diff shows staged changes"
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# print " stage-commit commit staged changes to repository"
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print " stage-status show status of staging area"
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print " stage-commit commit staged changes to repository"
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print
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print "For help about a particular command (including the additional options that the"
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print "command accepts) try typing:"
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print " $ " + self.name + " COMMAND --help"
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print " $ " + self.program + " COMMAND --help"
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exit( 0 )
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def print_version( self ):
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print "stdhome " + self.version
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print
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print "Copyright (C) 2013 to 2014 Tim Marston"
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print "Copyright (C) 2013 Tim Marston"
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print
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# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
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print "This program is free software, and you may use, modify and redistribute it"
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- `command`: the given command
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"""
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# commands
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if [ 'init', 'update', 'resolve', 'add', 'remove', 'revert', 'status',
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'diff', 'stage-add', 'stage-remove', 'stage-revert',
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'stage-status', 'stage-diff', 'stage-commit'
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].count( command ) == 1:
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if [ 'init', 'update', 'resolve', 'add', 'remove', 'revert',
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'stage-add', 'stage-remove', 'stage-revert', 'stage-status',
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'stage-commit' ].count( command ) == 1:
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return command
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# resolve aliases
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alias = {
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'up': 'update',
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'rm': 'remove',
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'st': 'status',
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'co': 'init',
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}.get( command, False )
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if alias: return alias
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# aliases
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elif command == 'up':
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return 'update'
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elif command == 'rm':
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return 'remove'
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# invalid
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return None
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else:
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return None
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def get_command_argument( self, args ):
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args = args[ 1 : ]
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return None
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def run( self ):
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# make an initial attempt to parse the command line, looking only for
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# --help and --version, so that they have the chance to run without a
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sys.argv[ 1: ], "",
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[ "help", "version" ] )
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for opt, optarg in opts:
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for opt, optargs in opts:
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# we only show help if there are no non-option arguments (e.g.,
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# a command) specified. If a command has been specified it will
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# have to be parsed and --help will be handled by it, instead)
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self.print_version()
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except getopt.GetoptError as e:
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# ignore errors -- we aren't parsing the command line properly yet
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# ignore any errors -- we aren't parsing the command line properly
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pass
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# find the first non-option argument (the command)
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the.command = self.get_command_argument( sys.argv[ 1: ] )
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if the.command == None:
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self.command = self.get_command_argument( sys.argv[ 1: ] )
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if self.command == None:
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self.print_usage( "missing command" )
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# check command is valid
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the.command = self.check_command( the.command )
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if the.command == None:
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self.command = self.check_command( self.command )
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if self.command == None:
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self.print_usage( "bad command" )
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# calculate module and class name
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class_name = module_name = ''
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bits = the.command.split( '-' )
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# calculate class name
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bits = self.command.split( '-' )
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class_name = 'Command'
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for bit in bits:
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class_name += bit[ 0 ].upper() + bit[ 1 : ]
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if module_name: module_name += '_'
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module_name += bit
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class_name += 'Command'
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# import module and instantiate the class
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module = __import__( 'stdhome.command.' + module_name,
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fromlist = [ class_name ] )
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instance = getattr( module, class_name )()
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# run the command
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try:
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instance.parse_command_line()
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instance.run()
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except( getopt.GetoptError, self.UsageError ) as e:
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self.print_usage( e.msg )
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except Vcs.VcsError as e:
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message = e.msg.rstrip()
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if the.verbose:
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message += '\n\nOUTPUT:\n' + e.output.rstrip()
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self.die( message )
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except self.FatalError as e:
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self.die( e.msg )
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class UsageError( Exception ):
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def __init__( self, error_message ):
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self.msg = error_message
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class FatalError( Exception ):
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def __init__( self, message ):
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self.msg = message
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# instantiate and run the command class
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module = __import__( 'stdhome.command_' + self.command )
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the_class = getattr( module, class_name )
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instance = the_class()
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instance.run( self )
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