Class DataGenerator opens a given file and reads the file line by line.
use getData method to return Pandas DataFrame or Numpy Arary of each line.

 file = "some_file_path.csv"
 
 a = DataGenerator(file, deliminator=',')
 print('Reading file incrementally. ------------------------------')
 print(a.get_data(lines=3, dtype='df', readtype='incremental'))
 print(a.get_data(lines=3, dtype='df', readtype='incremental'))
 print(a.get_data(lines=3, dtype='df', readtype='incremental'))
 print('Reading file as batch. ----------------------------------')

 b = DataGenerator(file, deliminator=',')
 print(b.get_data(lines=3, dtype='np', readtype='batch'))
 print(b.get_data(lines=3, dtype='np', readtype='batch'))
 print(b.get_data(lines=3, dtype='np', readtype='batch'))
 print('---------------------------------------------------------')