sg101: donations/management/commands/top

Merge with main line.

rev	line source
bgneal@761	1 """top_donors.py
bgneal@761	2
bgneal@761	3 A management command to display top donor data.
bgneal@761	4
bgneal@761	5 """
bgneal@761	6 from optparse import make_option
bgneal@761	7
bgneal@761	8 from django.core.management.base import BaseCommand
bgneal@761	9
bgneal@761	10 from donations.models import Donation
bgneal@761	11
bgneal@761	12
bgneal@761	13 ROW_FMT = '{n:<5} {name:<32} ${amount}\n'
bgneal@761	14
bgneal@761	15
bgneal@761	16 class Command(BaseCommand):
bgneal@761	17 help = "Display the top N donors and stats"
bgneal@761	18 args = "<n>"
bgneal@761	19 option_list = BaseCommand.option_list + (
bgneal@761	20 make_option('-n', '--number',
bgneal@761	21 action='store',
bgneal@761	22 type='int',
bgneal@761	23 default=10,
bgneal@761	24 help='number of donors to display'),
bgneal@761	25 )
bgneal@761	26
bgneal@761	27 def handle(self, args, *kwargs):
bgneal@761	28 """Display the top n donors and their amounts."""
bgneal@761	29
bgneal@761	30 n = kwargs['number']
bgneal@761	31
bgneal@761	32 donors = Donation.objects.top_donors(n)
bgneal@761	33 for i, donor in enumerate(donors, start=1):
bgneal@761	34 self.stdout.write(ROW_FMT.format(n=i, name=donor.username,
bgneal@761	35 amount=donor.total_donations))

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