annotate gpp/downloads/management/commands/dlcatreport.py @ 527:645025056dfa

Adding some management commands to the downloads application to help manage the SG101 MP3 compilations. Added a command to generate a HTML report of all the downloads in a given category. Added a command that generates a bash script that wgets all the files in a category.
author Brian Neal <bgneal@gmail.com>
date Wed, 21 Dec 2011 01:08:21 +0000
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bgneal@527 1 """
bgneal@527 2 dlcatreport - a management command to produce a HTML report of all the downloads
bgneal@527 3 in a given category.
bgneal@527 4
bgneal@527 5 """
bgneal@527 6 from django.core.management.base import LabelCommand, CommandError
bgneal@527 7 from django.template.loader import render_to_string
bgneal@527 8
bgneal@527 9 from downloads.models import Category, Download
bgneal@527 10
bgneal@527 11
bgneal@527 12 class Command(LabelCommand):
bgneal@527 13 help = "Produce on standard output a report of all downloads in a category."
bgneal@527 14 args = "category-slug"
bgneal@527 15
bgneal@527 16 def handle_label(self, slug, **options):
bgneal@527 17 """
bgneal@527 18 Render a template using the downloads in a given category and send it to
bgneal@527 19 stdout.
bgneal@527 20
bgneal@527 21 """
bgneal@527 22 try:
bgneal@527 23 category = Category.objects.get(slug=slug)
bgneal@527 24 except Category.DoesNotExist:
bgneal@527 25 raise CommandError("category slug '%s' does not exist" % slug)
bgneal@527 26
bgneal@527 27 downloads = Download.public_objects.filter(category=category).order_by(
bgneal@527 28 'title').select_related()
bgneal@527 29
bgneal@527 30 report = render_to_string('downloads/commands/category_report.html', {
bgneal@527 31 'category': category,
bgneal@527 32 'downloads': downloads,
bgneal@527 33 })
bgneal@527 34
bgneal@527 35 # encode it ourselves since it can fail if you try to redirect output to
bgneal@527 36 # a file and any of the content is not ASCII...
bgneal@527 37 print report.encode('utf-8')
bgneal@527 38