enh: hierarchy parents inherit their parent's logs and tables

CHANGELOG

@@ -1,5 +1,6 @@
 0.50.1
  - enh: support reading 'logs' from DCOR datasets
+ - enh: hierarchy parents inherit their parent's logs and tables
 0.50.0
  - feat: support opening objects on S3-compatible storage (#213)
  - feat: support opening file-like objects as HDF5 data

dclab/rtdc_dataset/fmt_hierarchy.py

@@ -293,6 +293,8 @@ def __init__(self, hparent, apply_filter=True, *args, **kwargs):
 
         self.path = hparent.path
         self.title = hparent.title + "_child"
+        self.logs = hparent.logs
+        self.tables = hparent.tables
 
         self._events = {}
 

tests/test_rtdc_fmt_hierarchy.py

@@ -2,6 +2,7 @@
 import numpy as np
 import pytest
 
+import dclab
 from dclab import new_dataset
 from dclab.rtdc_dataset import fmt_hierarchy, RTDCWriter
 
@@ -78,6 +79,15 @@ def test_config_calculation_does_not_work_in_child_issue_92():
         ch["emodulus"]
 
 
+def test_hierarchy_logs():
+    """Since version 0.50.1, hierarchy children inherit logs"""
+    ds = new_dataset(retrieve_data("fmt-hdf5_fl_wide-channel_2023.zip"))
+    assert len(ds.logs)
+    ch = dclab.new_dataset(ds)
+    assert ch.logs
+    assert ch.logs["dclab-compress"][0] == "{"
+
+
 @pytest.mark.filterwarnings(
     "ignore::dclab.rtdc_dataset.config.WrongConfigurationTypeWarning")
 def test_dtype_mask_image():