Mercurial > hg
annotate mercurial/fancyopts.py @ 20629:277dc5f27310
cmdserver: recreate mq object on runcommand in case queue path was changed
repo.mq needs to be recreated after queue path change. Since there is little
benefit to keep invalidated mq object, it always delete repo.mq.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Mon, 03 Mar 2014 19:41:30 +0900 |
parents | 1e5b38a919dd |
children | 753af9ee7c81 |
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1 # fancyopts.py - better command line parsing |
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2 # |
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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7 |
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8 import getopt |
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9 import util |
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10 from i18n import _ |
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11 |
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12 def gnugetopt(args, options, longoptions): |
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13 """Parse options mostly like getopt.gnu_getopt. |
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14 |
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15 This is different from getopt.gnu_getopt in that an argument of - will |
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16 become an argument of - instead of vanishing completely. |
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17 """ |
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18 extraargs = [] |
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19 if '--' in args: |
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20 stopindex = args.index('--') |
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21 extraargs = args[stopindex + 1:] |
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22 args = args[:stopindex] |
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23 opts, parseargs = getopt.getopt(args, options, longoptions) |
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24 args = [] |
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25 while parseargs: |
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26 arg = parseargs.pop(0) |
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27 if arg and arg[0] == '-' and len(arg) > 1: |
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28 parseargs.insert(0, arg) |
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29 topts, newparseargs = getopt.getopt(parseargs, options, longoptions) |
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30 opts = opts + topts |
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31 parseargs = newparseargs |
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32 else: |
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33 args.append(arg) |
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34 args.extend(extraargs) |
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35 return opts, args |
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36 |
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37 |
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38 def fancyopts(args, options, state, gnu=False): |
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39 """ |
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40 read args, parse options, and store options in state |
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41 |
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42 each option is a tuple of: |
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43 |
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44 short option or '' |
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45 long option |
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46 default value |
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47 description |
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48 option value label(optional) |
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49 |
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50 option types include: |
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51 |
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52 boolean or none - option sets variable in state to true |
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53 string - parameter string is stored in state |
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54 list - parameter string is added to a list |
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55 integer - parameter strings is stored as int |
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56 function - call function with parameter |
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57 |
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58 non-option args are returned |
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59 """ |
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60 namelist = [] |
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61 shortlist = '' |
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62 argmap = {} |
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63 defmap = {} |
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64 |
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65 for option in options: |
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66 if len(option) == 5: |
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67 short, name, default, comment, dummy = option |
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68 else: |
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69 short, name, default, comment = option |
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70 # convert opts to getopt format |
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71 oname = name |
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72 name = name.replace('-', '_') |
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73 |
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74 argmap['-' + short] = argmap['--' + oname] = name |
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75 defmap[name] = default |
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76 |
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77 # copy defaults to state |
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78 if isinstance(default, list): |
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79 state[name] = default[:] |
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80 elif getattr(default, '__call__', False): |
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81 state[name] = None |
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82 else: |
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83 state[name] = default |
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84 |
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85 # does it take a parameter? |
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86 if not (default is None or default is True or default is False): |
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87 if short: |
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88 short += ':' |
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89 if oname: |
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90 oname += '=' |
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91 if short: |
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92 shortlist += short |
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93 if name: |
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94 namelist.append(oname) |
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95 |
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96 # parse arguments |
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97 if gnu: |
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98 parse = gnugetopt |
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99 else: |
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100 parse = getopt.getopt |
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101 opts, args = parse(args, shortlist, namelist) |
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102 |
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103 # transfer result to state |
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104 for opt, val in opts: |
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105 name = argmap[opt] |
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106 t = type(defmap[name]) |
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107 if t is type(fancyopts): |
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108 state[name] = defmap[name](val) |
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109 elif t is type(1): |
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110 try: |
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111 state[name] = int(val) |
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112 except ValueError: |
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113 raise util.Abort(_('invalid value %r for option %s, ' |
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114 'expected int') % (val, opt)) |
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115 elif t is type(''): |
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116 state[name] = val |
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117 elif t is type([]): |
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118 state[name].append(val) |
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119 elif t is type(None) or t is type(False): |
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120 state[name] = True |
209 | 121 |
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122 # return unparsed args |
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123 return args |