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  • Committer: Tim Marston
  • Date: 2014-01-05 11:51:35 UTC
  • Revision ID: tim@ed.am-20140105115135-6ses87ggwyjrxzfj
added global objects (the.repo, the.program), deployment object and implemented
init command

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lib/stdhome/program.py
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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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        def print_usage( self, error_message ):
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                command = ' ' + the.command if the.command else ''
 
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                suffix = ' ' + 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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                                  ( self.name, suffix ) )
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        def print_help( self ):
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                print "Usage: " + self.name + " 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 "  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 "  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
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                print "For help about a particular command (including the additional options that the"
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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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                if the.command == None:
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                        self.print_usage( "bad command" )
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                # calculate module and class name
 
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                # calculate class name
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                bits = the.command.split( '-' )
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                class_name = 'Command'
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                module_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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                        module_name += '_' + bit
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                # import module and instantiate the class
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                module = __import__( 'stdhome.' + module_name,
 
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                # instantiate the command class
 
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                module = __import__( 'stdhome.command_' + the.command,
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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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                # run it
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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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                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 and hasattr( e, 'output' ) and e.output:
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                                message += '\n\nOUTPUT:\n' + e.output.rstrip()
 
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                except self.FatalError as e:
 
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                        message = e.msg
 
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                        if the.verbose and e.output:
 
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                                message += '\n\nOUTPUT:\n' + e.output
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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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        class FatalError( Exception ):
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                def __init__( self, message ):
 
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                def __init__( self, message, output = None ):
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                        self.msg = message
 
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                        self.output = output