Implement ParsesReferences from latest bsb-core

bsb_yaml/parser.py

@@ -1,20 +1,19 @@
 import yaml
-from bsb.config.parsers import ReferenceParser
+from bsb.config.parsers import ConfigurationParser, ParsesReferences
 
 
-class YAMLConfigurationParser(ReferenceParser):
+class YAMLConfigurationParser(ParsesReferences, ConfigurationParser):
     """
     Parser plugin class to parse YAML configuration files.
     """
 
     data_description = "YAML"
     data_extensions = ("yaml", "yml")
 
-    def from_str(self, filename):
-        return yaml.safe_load(filename)
-
-    def load_content(self, stream):
-        return yaml.safe_load(stream)
+    def parse(self, content, path=None):
+        content = yaml.safe_load(content)
+        meta = {"path": path}
+        return content, meta
 
     def generate(self, tree, pretty=False):
         return yaml.dump(tree, indent=None if not pretty else 2)