Mercurial > libervia-backend
comparison src/tools/common/template.py @ 2402:f905dfe69fcc
template: new item_value filter
this filter is used with XMLUI to specify filters before using a generate method.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 27 Oct 2017 18:17:35 +0200 |
| parents | 221478058d8a |
| children | dec31114c402 |
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| 2401:221478058d8a | 2402:f905dfe69fcc |
|---|---|
| 201 self.env.filters['next_gidx'] = self._next_gidx | 201 self.env.filters['next_gidx'] = self._next_gidx |
| 202 self.env.filters['cur_gidx'] = self._cur_gidx | 202 self.env.filters['cur_gidx'] = self._cur_gidx |
| 203 self.env.filters['date_days'] = self._date_days | 203 self.env.filters['date_days'] = self._date_days |
| 204 self.env.filters['xmlui_class'] = self._xmlui_class | 204 self.env.filters['xmlui_class'] = self._xmlui_class |
| 205 self.env.filters['attr_escape'] = self.attr_escape | 205 self.env.filters['attr_escape'] = self.attr_escape |
| 206 self.env.filters['item_filter'] = self._item_filter | |
| 206 self.env.filters['adv_format'] = self._adv_format | 207 self.env.filters['adv_format'] = self._adv_format |
| 207 | 208 |
| 208 def installTranslations(self): | 209 def installTranslations(self): |
| 209 i18n_dir = os.path.join(self.base_dir, 'i18n') | 210 i18n_dir = os.path.join(self.base_dir, 'i18n') |
| 210 self.translations = {} | 211 self.translations = {} |
| 363 except KeyError: | 364 except KeyError: |
| 364 log.debug(_(u"ignoring field \"{name}\": it doesn't exists").format(name=name)) | 365 log.debug(_(u"ignoring field \"{name}\": it doesn't exists").format(name=name)) |
| 365 continue | 366 continue |
| 366 return u' '.join(classes) or None | 367 return u' '.join(classes) or None |
| 367 | 368 |
| 369 def _item_filter(self, item, filters): | |
| 370 """return item's value, filtered if suitable | |
| 371 | |
| 372 @param item(object): item to filter | |
| 373 value must have name and value attributes, | |
| 374 mostly used for XMLUI items | |
| 375 @param filters(dict[unicode, (callable, dict, None)]): map of name => filter | |
| 376 if filter is None, return the value unchanged | |
| 377 if filter is a callable, apply it | |
| 378 if filter is a dict, it can have following keys: | |
| 379 - filters: iterable of filters to apply | |
| 380 - filters_args: kwargs of filters in the same order as filters (use empty dict if needed) | |
| 381 - template: template to format where {value} is the filtered value | |
| 382 """ | |
| 383 value = item.value | |
| 384 filter_ = filters.get(item.name, None) | |
| 385 if filter_ is None: | |
| 386 return value | |
| 387 elif isinstance(filter_, dict): | |
| 388 filter_args = filter_.get(u'filter_args') | |
| 389 for idx, f_name in enumerate(filter_.get(u'filters', [])): | |
| 390 kwargs = filter_args[idx] if filter_args is not None else {} | |
| 391 value = self.env.filters[f_name](value, **kwargs) | |
| 392 template = filter_.get(u'template', u'{value}') | |
| 393 return template.format(value=value) | |
| 394 else: | |
| 395 return filter_(item.value) | |
| 396 | |
| 368 def _adv_format(self, value, template, **kwargs): | 397 def _adv_format(self, value, template, **kwargs): |
| 369 """Advancer formatter | 398 """Advancer formatter |
| 370 | 399 |
| 371 like format() method, but take care or special values like None | 400 like format() method, but take care or special values like None |
| 372 @param value(unicode): value to format | 401 @param value(unicode): value to format |