Mercurial > hg
annotate mercurial/fancyopts.py @ 26878:d7e83f106459
encoding: use getutf8char in toutf8b
This correctly avoids the ambiguity of U+FFFD already present in the
input and similar confusion by working a character at a time.
author | Matt Mackall <mpm@selenic.com> |
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date | Thu, 05 Nov 2015 17:21:43 -0600 |
parents | 56b2bcea2529 |
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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 import getopt |
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11 |
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12 from .i18n import _ |
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13 from . import error |
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14 |
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15 def gnugetopt(args, options, longoptions): |
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16 """Parse options mostly like getopt.gnu_getopt. |
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17 |
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18 This is different from getopt.gnu_getopt in that an argument of - will |
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19 become an argument of - instead of vanishing completely. |
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20 """ |
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21 extraargs = [] |
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22 if '--' in args: |
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23 stopindex = args.index('--') |
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24 extraargs = args[stopindex + 1:] |
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25 args = args[:stopindex] |
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26 opts, parseargs = getopt.getopt(args, options, longoptions) |
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27 args = [] |
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28 while parseargs: |
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29 arg = parseargs.pop(0) |
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30 if arg and arg[0] == '-' and len(arg) > 1: |
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31 parseargs.insert(0, arg) |
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32 topts, newparseargs = getopt.getopt(parseargs, options, longoptions) |
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33 opts = opts + topts |
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34 parseargs = newparseargs |
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35 else: |
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36 args.append(arg) |
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37 args.extend(extraargs) |
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38 return opts, args |
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39 |
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40 |
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41 def fancyopts(args, options, state, gnu=False): |
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42 """ |
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43 read args, parse options, and store options in state |
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44 |
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45 each option is a tuple of: |
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46 |
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47 short option or '' |
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48 long option |
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49 default value |
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50 description |
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51 option value label(optional) |
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52 |
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53 option types include: |
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54 |
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55 boolean or none - option sets variable in state to true |
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56 string - parameter string is stored in state |
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57 list - parameter string is added to a list |
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58 integer - parameter strings is stored as int |
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59 function - call function with parameter |
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60 |
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61 non-option args are returned |
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62 """ |
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63 namelist = [] |
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64 shortlist = '' |
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65 argmap = {} |
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66 defmap = {} |
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67 |
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68 for option in options: |
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69 if len(option) == 5: |
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70 short, name, default, comment, dummy = option |
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71 else: |
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72 short, name, default, comment = option |
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73 # convert opts to getopt format |
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74 oname = name |
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75 name = name.replace('-', '_') |
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76 |
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77 argmap['-' + short] = argmap['--' + oname] = name |
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78 defmap[name] = default |
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79 |
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80 # copy defaults to state |
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81 if isinstance(default, list): |
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82 state[name] = default[:] |
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83 elif callable(default): |
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84 state[name] = None |
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85 else: |
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86 state[name] = default |
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87 |
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88 # does it take a parameter? |
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89 if not (default is None or default is True or default is False): |
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90 if short: |
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91 short += ':' |
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92 if oname: |
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93 oname += '=' |
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94 if short: |
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95 shortlist += short |
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96 if name: |
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97 namelist.append(oname) |
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98 |
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99 # parse arguments |
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100 if gnu: |
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101 parse = gnugetopt |
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102 else: |
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103 parse = getopt.getopt |
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104 opts, args = parse(args, shortlist, namelist) |
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105 |
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106 # transfer result to state |
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107 for opt, val in opts: |
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108 name = argmap[opt] |
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109 obj = defmap[name] |
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110 t = type(obj) |
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111 if callable(obj): |
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112 state[name] = defmap[name](val) |
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113 elif t is type(1): |
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114 try: |
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115 state[name] = int(val) |
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116 except ValueError: |
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117 raise error.Abort(_('invalid value %r for option %s, ' |
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118 'expected int') % (val, opt)) |
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119 elif t is type(''): |
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120 state[name] = val |
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121 elif t is type([]): |
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122 state[name].append(val) |
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123 elif t is type(None) or t is type(False): |
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124 state[name] = True |
209 | 125 |
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fancyopts: lots of cleanups
Matt Mackall <mpm@selenic.com>
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126 # return unparsed args |
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Add back links from file revisions to changeset revisions
mpm@selenic.com
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127 return args |