Mercurial > hg
comparison mercurial/revset.py @ 25706:b7f53c474e2c
revset: port extra() to support keyword arguments
This is an example to show how keyword arguments are processed.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Sun, 28 Jun 2015 22:57:33 +0900 |
| parents | 48919d246a47 |
| children | d50677c3bf44 |
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| 25705:48919d246a47 | 25706:b7f53c474e2c |
|---|---|
| 838 | 838 |
| 839 If `value` starts with `re:`, the remainder of the value is treated as | 839 If `value` starts with `re:`, the remainder of the value is treated as |
| 840 a regular expression. To match a value that actually starts with `re:`, | 840 a regular expression. To match a value that actually starts with `re:`, |
| 841 use the prefix `literal:`. | 841 use the prefix `literal:`. |
| 842 """ | 842 """ |
| 843 | 843 args = getkwargs(x, 'extra', 'label value') |
| 844 if 'label' not in args: | |
| 845 # i18n: "extra" is a keyword | |
| 846 raise error.ParseError(_('extra takes at least 1 argument')) | |
| 844 # i18n: "extra" is a keyword | 847 # i18n: "extra" is a keyword |
| 845 l = getargs(x, 1, 2, _('extra takes at least 1 and at most 2 arguments')) | 848 label = getstring(args['label'], _('first argument to extra must be ' |
| 846 # i18n: "extra" is a keyword | 849 'a string')) |
| 847 label = getstring(l[0], _('first argument to extra must be a string')) | |
| 848 value = None | 850 value = None |
| 849 | 851 |
| 850 if len(l) > 1: | 852 if 'value' in args: |
| 851 # i18n: "extra" is a keyword | 853 # i18n: "extra" is a keyword |
| 852 value = getstring(l[1], _('second argument to extra must be a string')) | 854 value = getstring(args['value'], _('second argument to extra must be ' |
| 855 'a string')) | |
| 853 kind, value, matcher = _stringmatcher(value) | 856 kind, value, matcher = _stringmatcher(value) |
| 854 | 857 |
| 855 def _matchvalue(r): | 858 def _matchvalue(r): |
| 856 extra = repo[r].extra() | 859 extra = repo[r].extra() |
| 857 return label in extra and (value is None or matcher(extra[label])) | 860 return label in extra and (value is None or matcher(extra[label])) |