Mercurial > hg
comparison mercurial/formatter.py @ 31807:e6eb86b154c5
templater: provide loop counter as "index" keyword
This was originally written for JSON templating where we would have to be
careful to not add extra comma, but seems generally useful.
Inner loop started by % operator has its own counter.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Fri, 22 Apr 2016 21:46:33 +0900 |
parents | dca9b6922514 |
children | 21f129354dd0 |
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31806:8f203b491bb5 | 31807:e6eb86b154c5 |
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101 baz: foo, bar | 101 baz: foo, bar |
102 """ | 102 """ |
103 | 103 |
104 from __future__ import absolute_import | 104 from __future__ import absolute_import |
105 | 105 |
106 import itertools | |
106 import os | 107 import os |
107 | 108 |
108 from .i18n import _ | 109 from .i18n import _ |
109 from .node import ( | 110 from .node import ( |
110 hex, | 111 hex, |
336 baseformatter.__init__(self, ui, topic, opts, _templateconverter) | 337 baseformatter.__init__(self, ui, topic, opts, _templateconverter) |
337 self._out = out | 338 self._out = out |
338 self._topic = topic | 339 self._topic = topic |
339 self._t = gettemplater(ui, topic, opts.get('template', ''), | 340 self._t = gettemplater(ui, topic, opts.get('template', ''), |
340 cache=templatekw.defaulttempl) | 341 cache=templatekw.defaulttempl) |
342 self._counter = itertools.count() | |
341 self._cache = {} # for templatekw/funcs to store reusable data | 343 self._cache = {} # for templatekw/funcs to store reusable data |
342 def context(self, **ctxs): | 344 def context(self, **ctxs): |
343 '''insert context objects to be used to render template keywords''' | 345 '''insert context objects to be used to render template keywords''' |
344 assert all(k == 'ctx' for k in ctxs) | 346 assert all(k == 'ctx' for k in ctxs) |
345 self._item.update(ctxs) | 347 self._item.update(ctxs) |
348 # function will have to declare dependent resources. e.g. | 350 # function will have to declare dependent resources. e.g. |
349 # @templatekeyword(..., requires=('ctx',)) | 351 # @templatekeyword(..., requires=('ctx',)) |
350 props = {} | 352 props = {} |
351 if 'ctx' in self._item: | 353 if 'ctx' in self._item: |
352 props.update(templatekw.keywords) | 354 props.update(templatekw.keywords) |
355 props['index'] = next(self._counter) | |
353 # explicitly-defined fields precede templatekw | 356 # explicitly-defined fields precede templatekw |
354 props.update(self._item) | 357 props.update(self._item) |
355 if 'ctx' in self._item: | 358 if 'ctx' in self._item: |
356 # but template resources must be always available | 359 # but template resources must be always available |
357 props['templ'] = self._t | 360 props['templ'] = self._t |