+++ /dev/null
-# -*- coding: utf-8 -*-
-# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
-#
-from optparse import make_option
-
-from django.core.management.base import BaseCommand
-from django.core.management.color import color_style
-import zipfile
-
-from catalogue.models import Book, Tag
-
-
-class Command(BaseCommand):
- option_list = BaseCommand.option_list + (
- make_option('-t', '--tags', dest='tags', metavar='SLUG,...',
- help='Use only books tagged with this tags'),
- make_option('-i', '--include', dest='include', metavar='SLUG,...',
- help='Include specific books by slug'),
- make_option('-e', '--exclude', dest='exclude', metavar='SLUG,...',
- help='Exclude specific books by slug')
- )
- help = 'Prepare ZIP package with files of given type.'
- args = '[%s] output_path.zip' % '|'.join(Book.formats)
-
- def handle(self, ftype, path, **options):
- self.style = color_style()
- verbose = int(options.get('verbosity'))
- tags = options.get('tags')
- include = options.get('include')
- exclude = options.get('exclude')
-
- if ftype in Book.formats:
- field = "%s_file" % ftype
- else:
- print self.style.ERROR('Unknown file type.')
- return
-
- books = []
-
- if include:
- books += list(Book.objects.filter(slug__in=include.split(',')).only('slug', field))
-
- if tags:
- books += list(Book.tagged.with_all(Tag.objects.filter(slug__in=tags.split(','))).only('slug', field))
- elif not include:
- books = list(Book.objects.all().only('slug', field))
-
- if exclude:
- books = [book for book in books if book.slug not in exclude.split(',')]
-
- archive = zipfile.ZipFile(path, 'w', zipfile.ZIP_DEFLATED)
-
- processed = skipped = 0
- for book in books:
- if verbose >= 2:
- print 'Parsing', book.slug
- content = getattr(book, field)
- if not content:
- if verbose >= 1:
- print self.style.NOTICE('%s has no %s file' % (book.slug, ftype))
- skipped += 1
- continue
- archive.write(content.path, str('%s.%s' % (book.slug, ftype)))
- processed += 1
- archive.close()
-
- if not processed:
- if skipped:
- print self.style.ERROR("No books with %s files found" % ftype)
- else:
- print self.style.ERROR("No books found")
- return
-
- if verbose >= 1:
- print "%d processed, %d skipped" % (processed, skipped)
- print "Results written to %s" % path