add object TaxNode

mkbdr/objects.py

@@ -26,3 +26,12 @@ class DescriptionRecord:
     def __init__(self, sampleid, species_name):
         self.sampleid=sampleid
         self.species_name = species_name
+
+
+class TaxonNode:
+    def __init__(self, taxid, parent_taxid, scientific_name, rank):
+        self.taxid=taxid
+        self.parent_taxid=parent_taxid
+        self.scientific_name=scientific_name
+        self.rank=rank
+      
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