[MERGE] forward port branch 11.0 up to bb6f6c57f9

2018-11-28 17:44:46 +01:00
parent b09f624f20 bb6f6c57f9
commit efe7ca16b7
34 changed files with 522 additions and 116 deletions
@@ -983,6 +983,12 @@ class Cache(object):
        value = self._data[field][record.id].get(key, SpecialValue(None))
        return default if isinstance(value, SpecialValue) else value

+    def get_special(self, record, field, default=None):
+        """ Return the special value of ``field`` for ``record``. """
+        key = field.cache_key(record)
+        value = self._data[field][record.id].get(key)
+        return value.get if isinstance(value, SpecialValue) else default
+
    def set_special(self, record, field, getter):
        """ Set the value of ``field`` for ``record`` to return ``getter()``. """
        key = field.cache_key(record)