minifying histogram JSON files

src/HistogramDescriptionTableSelector.py

@@ -0,0 +1,25 @@
+import warnings
+
+class HistogramDescriptionTableSelector:
+
+    @staticmethod
+    def selectHistogramsWithShortestBatchcodeCombinations(histogramDescriptionTable):
+        histogramDescriptionTable['HISTOGRAM_DESCRIPTION'] = histogramDescriptionTable['HISTOGRAM_DESCRIPTION'].map(HistogramDescriptionTableSelector._selectHistogramWithShortestBatchcodeCombination)
+        return histogramDescriptionTable
+    
+    @staticmethod
+    def _selectHistogramWithShortestBatchcodeCombination(histoDescr):
+        return {
+            "batchcode": histoDescr["batchcode"],
+            "histogram": HistogramDescriptionTableSelector._getHistogramWithShortestBatchcodeCombination(histoDescr)
+            }
+    
+    @staticmethod
+    def _getHistogramWithShortestBatchcodeCombination(histoDescr):
+        histogramsSortedByShortestBatchcodeCombination = sorted(
+            histoDescr["histograms"],
+            key = lambda histogram: len(histogram["batchcodes"]))
+        histogramWithShortestBatchcodeCombination = histogramsSortedByShortestBatchcodeCombination[0]
+        if len(histogramWithShortestBatchcodeCombination["batchcodes"]) != 1:
+            warnings.warn(f"batchcode {histoDescr['batchcode']} has non unique batchcode combination {histogramWithShortestBatchcodeCombination['batchcodes']} for it's histogram")
+        return histogramWithShortestBatchcodeCombination["histogram"]