gistfile1.txt

dfdata= [('cat01','t1', 50), ('cat01','t2',60) ,('cat01','t3',70),('cat02','t1', 60), ('cat02','t2', 80)]
df = pd.DataFrame.from_records(data=dfdata, columns=['cat','term','value'])
df

     cat term  value
0  cat01   t1     50
1  cat01   t2     60
2  cat01   t3     70
3  cat02   t1     60
4  cat02   t2     80

v = np.vectorize(mydata, otypes=[mydata])
v(df.term, df.value).tolist()

[entry(term='t1', val=50),
 entry(term='t2', val=60),
 entry(term='t3', val=70),
 entry(term='t1', val=60),
 entry(term='t2', val=80)]