Mercurial > hg
annotate mercurial/fancyopts.py @ 32164:29e286fa4db0
changegroup: deduplicate 'getlocalchangegroup'
The two functions 'getlocalchangegroup' and 'getchangegroup' have been strictly
identical for multiple years ('getchangegroup' had a deprecated docstring)
We'll drop one of them (getlocalchangegroup, since it has the longest name).
However, we needs to migrate all users of the dropped one to the new one before
we can deprecate it. In the mean time we drop one of the duplicated definition
and the outdated docstring.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 04 May 2017 12:36:45 +0200 |
parents | c6ce11f2ee50 |
children | bd872f64a8ba |
rev | line source |
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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 from __future__ import absolute_import |
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9 |
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10 from .i18n import _ |
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11 from . import ( |
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12 error, |
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13 pycompat, |
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14 ) |
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15 |
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16 # Set of flags to not apply boolean negation logic on |
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17 nevernegate = set([ |
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18 # avoid --no-noninteractive |
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19 'noninteractive', |
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20 # These two flags are special because they cause hg to do one |
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21 # thing and then exit, and so aren't suitable for use in things |
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22 # like aliases anyway. |
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23 'help', |
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24 'version', |
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25 ]) |
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26 |
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27 def gnugetopt(args, options, longoptions): |
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28 """Parse options mostly like getopt.gnu_getopt. |
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29 |
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30 This is different from getopt.gnu_getopt in that an argument of - will |
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31 become an argument of - instead of vanishing completely. |
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32 """ |
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33 extraargs = [] |
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34 if '--' in args: |
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35 stopindex = args.index('--') |
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36 extraargs = args[stopindex + 1:] |
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37 args = args[:stopindex] |
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38 opts, parseargs = pycompat.getoptb(args, options, longoptions) |
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39 args = [] |
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40 while parseargs: |
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41 arg = parseargs.pop(0) |
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42 if arg and arg[0] == '-' and len(arg) > 1: |
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43 parseargs.insert(0, arg) |
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44 topts, newparseargs = pycompat.getoptb(parseargs,\ |
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45 options, longoptions) |
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46 opts = opts + topts |
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47 parseargs = newparseargs |
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48 else: |
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49 args.append(arg) |
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50 args.extend(extraargs) |
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51 return opts, args |
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52 |
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53 |
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54 def fancyopts(args, options, state, gnu=False): |
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55 """ |
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56 read args, parse options, and store options in state |
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57 |
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58 each option is a tuple of: |
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59 |
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60 short option or '' |
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61 long option |
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62 default value |
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63 description |
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64 option value label(optional) |
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65 |
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66 option types include: |
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67 |
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68 boolean or none - option sets variable in state to true |
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69 string - parameter string is stored in state |
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70 list - parameter string is added to a list |
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71 integer - parameter strings is stored as int |
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72 function - call function with parameter |
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73 |
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74 non-option args are returned |
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75 """ |
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76 namelist = [] |
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77 shortlist = '' |
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78 argmap = {} |
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79 defmap = {} |
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80 negations = {} |
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81 alllong = set(o[1] for o in options) |
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82 |
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83 for option in options: |
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84 if len(option) == 5: |
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85 short, name, default, comment, dummy = option |
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86 else: |
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87 short, name, default, comment = option |
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88 # convert opts to getopt format |
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89 oname = name |
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90 name = name.replace('-', '_') |
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91 |
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92 argmap['-' + short] = argmap['--' + oname] = name |
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93 defmap[name] = default |
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94 |
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95 # copy defaults to state |
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96 if isinstance(default, list): |
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97 state[name] = default[:] |
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98 elif callable(default): |
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99 state[name] = None |
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100 else: |
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101 state[name] = default |
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102 |
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103 # does it take a parameter? |
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104 if not (default is None or default is True or default is False): |
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105 if short: |
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106 short += ':' |
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107 if oname: |
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108 oname += '=' |
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109 elif oname not in nevernegate: |
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110 if oname.startswith('no-'): |
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111 insert = oname[3:] |
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112 else: |
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113 insert = 'no-' + oname |
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114 # backout (as a practical example) has both --commit and |
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115 # --no-commit options, so we don't want to allow the |
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116 # negations of those flags. |
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117 if insert not in alllong: |
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118 assert ('--' + oname) not in negations |
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119 negations['--' + insert] = '--' + oname |
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120 namelist.append(insert) |
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121 if short: |
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122 shortlist += short |
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123 if name: |
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124 namelist.append(oname) |
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125 |
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126 # parse arguments |
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127 if gnu: |
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128 parse = gnugetopt |
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129 else: |
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130 parse = pycompat.getoptb |
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131 opts, args = parse(args, shortlist, namelist) |
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132 |
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133 # transfer result to state |
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134 for opt, val in opts: |
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135 boolval = True |
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136 negation = negations.get(opt, False) |
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137 if negation: |
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138 opt = negation |
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139 boolval = False |
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140 name = argmap[opt] |
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141 obj = defmap[name] |
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142 t = type(obj) |
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143 if callable(obj): |
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144 state[name] = defmap[name](val) |
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145 elif t is type(1): |
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146 try: |
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147 state[name] = int(val) |
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148 except ValueError: |
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149 raise error.Abort(_('invalid value %r for option %s, ' |
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150 'expected int') % (val, opt)) |
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151 elif t is type(''): |
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152 state[name] = val |
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153 elif t is type([]): |
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154 state[name].append(val) |
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155 elif t is type(None) or t is type(False): |
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156 state[name] = boolval |
209 | 157 |
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158 # return unparsed args |
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159 return args |