143 lines
3.2 KiB
Python
143 lines
3.2 KiB
Python
#! /usr/bin/env python
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# hm.py: 'Help Me', is a simple wrapper for all build tools.
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#
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# This script was created for the Synergy+ project.
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# http://code.google.com/p/synergy-plus
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#
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# The idea behind this is to simplify the build system,
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# however, it's not a dependancy of building Synergy+.
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# In other words, you don't need to use this script!
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#
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# If you don't wish to run this script, simply run:
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# cmake .
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# make
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# This will create an in-source UNIX Makefile.
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import sys, os
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from build import commands
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# list of valid commands as keys. the values are optarg strings, but most
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# are None for now (this is mainly for extensibility)
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cmd_dict = {
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'about' : [None, []],
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'setup' : [None, []],
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'configure' : [None, []],
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'build' : ['dr', []],
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'clean' : ['dr', []],
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'update' : [None, []],
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'install' : [None, []],
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'package' : [None, []],
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'destroy' : [None, []],
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'kill' : [None, []],
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'usage' : [None, []],
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'revision' : [None, []],
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'hammer' : [None, []],
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'reformat' : [None, []],
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'open' : [None, []],
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}
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# aliases to valid commands
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cmd_alias_dict = {
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'info' : 'about',
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'help' : 'usage',
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'dist' : 'package',
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'make' : 'build',
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'cmake' : 'configure',
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}
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def complete_command(arg):
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completions = []
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for cmd, optarg in cmd_dict.iteritems():
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if cmd.startswith(arg):
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completions.append(cmd)
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for alias, cmd in cmd_alias_dict.iteritems():
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if alias.startswith(arg):
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completions.append(alias)
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return completions
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def start_cmd(argv):
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cmd_arg = ''
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if len(argv) > 1:
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cmd_arg = argv[1]
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# change common help args to help command
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if cmd_arg in ('--help', '-h', '--usage', '-u', '/?'):
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cmd_arg = 'usage'
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completions = complete_command(cmd_arg)
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if cmd_arg and len(completions) > 0:
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if len(completions) == 1:
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# get the only completion (since in this case we have 1)
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cmd = completions[0]
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# build up the first part of the map (for illustrative purposes)
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cmd_map = list()
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if cmd_arg != cmd:
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cmd_map.append(cmd_arg)
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cmd_map.append(cmd)
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# map an alias to the command, and build up the map
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if cmd in cmd_alias_dict.keys():
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alias = cmd
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if cmd_arg == cmd:
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cmd_map.append(alias)
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cmd = cmd_alias_dict[cmd]
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cmd_map.append(cmd)
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# show command map to avoid confusion
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if len(cmd_map) != 0:
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print 'Mapping command: %s' % ' -> '.join(cmd_map)
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run_cmd(cmd, argv[2:])
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return 0
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else:
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print (
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'Command `%s` too ambiguous, '
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'could mean any of: %s'
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) % (cmd_arg, ', '.join(completions))
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else:
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if len(argv) == 1:
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print 'No command specified, showing usage.\n'
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else:
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print 'Command not recognised: %s\n' % cmd_arg
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run_cmd('usage')
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# generic error code if not returned sooner
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return 1
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def run_cmd(cmd, args = []):
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# pass args and optarg data to command handler, which figures out
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# how to handle the arguments
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optarg_data = cmd_dict[cmd]
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handler = commands.CommandHandler(args, optarg_data)
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# use reflection to get the function pointer
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cmd_func = getattr(handler, cmd)
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cmd_func()
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def main(argv):
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if sys.version_info < (2, 4):
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print 'Python version must be at least: 2.4'
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sys.exit(1)
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try:
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sys.exit(start_cmd(argv))
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except KeyboardInterrupt:
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print '\n\nUser aborted, exiting.'
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# Start the program.
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main(sys.argv)
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