prepare for callable data-attributes, for bluedynamics/yafowil.plone#26

HISTORY.rst

@@ -5,7 +5,9 @@ History
 1.4 (unreleased)
 ----------------
 
-- No changes yet.
+- Parse values of attributes (data-Attributes) if type() is dict.
+  HTML5 Data-Attributes with i18n or callables are possible now
+  [2silver, 2019-06-12]
 
 
 1.3 (2018-07-16)

src/yafowil/yaml/parser.py

@@ -98,7 +98,15 @@ def create_tree(self, data):
         def call_factory(defs):
             props = dict()
             for k, v in defs.get('props', dict()).items():
-                props[k] = self.parse_definition_value(v)
+                if isinstance(v, dict):
+                    dict_attrs = list()
+                    for vk, vv in v.items():
+                        val = self.parse_definition_value(vv)
+                        part = [vk, val]
+                        dict_attrs.append(part)
+                    props[k] = dict_attrs
+                else:
+                    props[k] = self.parse_definition_value(v)
             custom = dict()
             for custom_key, custom_value in defs.get('custom', dict()).items():
                 custom_props = list()