Fix Task.archived_tag read-only property does not work (issue #274)

clearml/backend_interface/task/task.py

@@ -27,7 +27,6 @@ from collections import OrderedDict
 from six.moves.urllib.parse import quote
 
 from ...utilities.locks import RLock as FileRLock
-from ...utilities.attrs import readonly
 from ...utilities.proxy_object import verify_basic_type
 from ...binding.artifacts import Artifacts
 from ...backend_interface.task.development.worker import DevWorker
@@ -63,7 +62,7 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
 
     _anonymous_dataview_id = '__anonymous__'
     _development_tag = 'development'
-    archived_tag = readonly('archived')
+    archived_tag = 'archived'
     _default_configuration_section_name = 'General'
     _legacy_parameters_section_name = 'Args'
     _force_requirements = {}

clearml/task.py

@@ -3076,7 +3076,8 @@ class Task(_Task):
             )
         )
         res_tasks = res.response.tasks
-        # if we have more than one result, first filter 'archived' results:
+        # if we have more than one result, filter out the 'archived' results
+        # notice that if we only have one result we do get the archived one as well.
         if len(res_tasks) > 1:
             filtered_tasks = [t for t in res_tasks if not getattr(t, system_tags, None) or
                               cls.archived_tag not in getattr(t, system_tags, None)]

clearml/utilities/attrs.py

@@ -16,7 +16,3 @@ class attrs(object):
 
     def __call__(self, f):
         return attr.attrs(*self.args, **self.kwargs)(f)
-
-
-def readonly(value):
-    return property(lambda self: value)