import os, sys, pprint from random import random as rnd from random import randint def getid (): return int(1000*rnd()) def getxy (): return 20000 + getid () dbf_file = 'testdbf.dbf' fields = [ ('id','N',8,0), ('group','N',8,0), ('x','N',8,0), ('y','N',8,0) ] fakedb = [dict (group = randint (0,10), id = getid (), x = getxy (), y = getxy ()) for i in range(30)] print('============') print('before group') print('============') pprint.pprint(fakedb) print('============') print('after group') print('============') # field name to be grouped groupFiled = 'group' group_ids = set(map(lambda x: x[groupFiled],fakedb)) groupData = [[rec for rec in fakedb if rec[groupFiled] == group_id] for group_id in group_ids] pprint.pprint(groupData)
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