Adding option to duplicate (copy) columns in pandas df prior to analysis

importXLSX.py

@@ -352,6 +352,7 @@ def importData(pars,filename,getId=getId,modify=modify,\
    additionalVars=pars.get('additionalVars',{})
    idField=pars.get('idField','ParticipantId')
    updateAlias=pars.get('updateAlias',lambda x,y: x)
+   copyColumns=pars.get('copyColumns',{})
 
    fields=getFields(pars)
    lookupVars=getVariables(fields,fieldType='LOOKUP')
@@ -370,6 +371,10 @@ def importData(pars,filename,getId=getId,modify=modify,\
 
    df=pandas.read_excel(filename,sheet_name=sheet_name,skiprows=skiprows,\
       usecols=usecols)
+#copy columns, useful if two data items come from the same XLS column
+   for col in copyColumns:
+      df[col]=df[copyColumns[col]]
+
    vars=df.columns
    print(vars)