libervia-backend: src/tools/common/template.py comparison

template: added dict_ext filter to extend a dictionary

comparison

equal deleted inserted replaced

-:467ddb437a71
+:d294527bd46f
 self.env.filters['date_fmt'] = self._date_fmt
 self.env.filters['xmlui_class'] = self._xmlui_class
 self.env.filters['attr_escape'] = self.attr_escape
 self.env.filters['item_filter'] = self._item_filter
 self.env.filters['adv_format'] = self._adv_format
+self.env.filters['dict_ext'] = self._dict_ext
 # custom tests
 self.env.tests['in_the_past'] = self._in_the_past
 def installTranslations(self):
 i18n_dir = os.path.join(self.base_dir, 'i18n')
 if template is None:
 return value
 # jinja use string when no special char is used, so we have to convert to unicode
 return unicode(template).format(value=value, **kwargs)
+def _dict_ext(self, source_dict, extra_dict, key=None):
+"""extend source_dict with extra dict and return the result
+@param source_dict(dict): dictionary to extend
+@param extra_dict(dict, None): dictionary to use to extend first one
+None to return source_dict unmodified
+@param key(unicode, None): if specified extra_dict[key] will be used
+if it doesn't exists, a copy of unmodified source_dict is returned
+@return (dict): resulting dictionary
+"""
+if extra_dict is None:
+return source_dict
+if key is not None:
+extra_dict = extra_dict.get(key, {})
+ret = source_dict.copy()
+ret.update(extra_dict)
+return ret
 ## custom tests ##
 def _in_the_past(self, timestamp):
 """check if a date is in the past

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