refactoring

src/SummationTableFactory.py

@@ -0,0 +1,31 @@
+import pandas as pd
+
+class SummationTableFactory:
+
+    @staticmethod
+    def createSummationTable(dataFrame):
+        summationTable = dataFrame.agg(
+            **{
+                'Deaths':                     pd.NamedAgg(column = 'DIED',     aggfunc = 'sum'),
+                'Adverse Reaction Reports':   pd.NamedAgg(column = 'DIED',     aggfunc = 'size'),
+                'Life Threatening Illnesses': pd.NamedAgg(column = 'L_THREAT', aggfunc = 'sum'), 
+                'Disabilities':               pd.NamedAgg(column = 'DISABLE',  aggfunc = 'sum'),
+                'Severities':                 pd.NamedAgg(column = 'SEVERE',   aggfunc = 'sum'),
+                'Countries':                  pd.NamedAgg(column = 'COUNTRY',  aggfunc = SummationTableFactory.countries2str)
+            })
+        summationTable['Severe reports'] = summationTable['Severities'] / summationTable['Adverse Reaction Reports'] * 100
+        summationTable['Lethality'] = summationTable['Deaths'] / summationTable['Adverse Reaction Reports'] * 100
+        return summationTable[
+            [
+                'Adverse Reaction Reports',
+                'Deaths',
+                'Disabilities',
+                'Life Threatening Illnesses',
+                'Severe reports',
+                'Lethality',
+                'Countries'
+            ]]
+
+    @staticmethod
+    def countries2str(countries):
+        return  ', '.join(sorted(set(countries)))