MNT: Move attribute definitions into init

src/caosadvancedtools/crawler.py

@@ -170,6 +170,7 @@ class Crawler(object):
         self.abort_on_exception = abort_on_exception
         self.update_cache = UpdateCache()
         self.filterKnown = SuppressKnown()
+        self.run_id = None
         advancedtoolslogger = logging.getLogger("caosadvancedtools")
 
         # TODO this seems to be a bad idea. What if the handler was not added

src/caosadvancedtools/example_cfood.py

@@ -31,6 +31,10 @@ class ExampleCFood(AbstractFileCFood):
         return (r".*/(?P<species>[^/]+)/"
                 r"(?P<date>\d{4}-\d{2}-\d{2})/README.md")
 
+    def __init__(self, crawled_path, *args, **kwargs):
+        super().__init__(crawled_path, *args, **kwargs)
+        self.experiment = None
+
     def create_identifiables(self):
         self.experiment = db.Record()
         self.experiment.add_parent(name="Experiment")