+# -*- 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.
+#
import os
+import sys
+import time
+from optparse import make_option
from django.core.management.base import BaseCommand
from django.core.management.color import color_style
-from optparse import make_option
+from django.core.files import File
from catalogue.models import Book
class Command(BaseCommand):
option_list = BaseCommand.option_list + (
- make_option('--verbosity', action='store', dest='verbosity', default='1',
- type='choice', choices=['0', '1', '2'],
+ make_option('-q', '--quiet', action='store_false', dest='verbose', default=True,
help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
- make_option('--force', action='store_true', dest='force', default=False,
- help='Overwrite previously imported files with the same id')
+ make_option('-f', '--force', action='store_true', dest='force', default=False,
+ help='Print status messages to stdout'),
+ make_option('-E', '--no-build-epub', action='store_false', dest='build_epub', default=True,
+ help='Don\'t build EPUB file'),
+ make_option('-M', '--no-build-mobi', action='store_false', dest='build_mobi', default=True,
+ help='Don\'t build MOBI file'),
+ make_option('-T', '--no-build-txt', action='store_false', dest='build_txt', default=True,
+ help='Don\'t build TXT file'),
+ make_option('-P', '--no-build-pdf', action='store_false', dest='build_pdf', default=True,
+ help='Don\'t build PDF file'),
+ make_option('-w', '--wait-until', dest='wait_until', metavar='TIME',
+ help='Wait until specified time (Y-M-D h:m:s)'),
)
help = 'Imports books from the specified directories.'
args = 'directory [directory ...]'
self.style = color_style()
- verbosity = int(options.get('verbosity', 1))
+ verbose = options.get('verbose')
force = options.get('force')
show_traceback = options.get('traceback', False)
+ wait_until = None
+ if options.get('wait_until'):
+ wait_until = time.mktime(time.strptime(options.get('wait_until'), '%Y-%m-%d %H:%M:%S'))
+ if verbose > 0:
+ print "Will wait until %s; it's %f seconds from now" % (
+ time.strftime('%Y-%m-%d %H:%M:%S',
+ time.localtime(wait_until)), wait_until - time.time())
+
# Start transaction management.
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
+ files_imported = 0
+ files_skipped = 0
+
for dir_name in directories:
if not os.path.isdir(dir_name):
- print self.style.ERROR("Skipping '%s': not a directory." % dir_name)
+ print self.style.ERROR("%s: Not a directory. Skipping." % dir_name)
else:
- for file_name in os.listdir(dir_name):
+ # files queue
+ files = sorted(os.listdir(dir_name))
+ postponed = {}
+ while files:
+ file_name = files.pop(0)
file_path = os.path.join(dir_name, file_name)
- if not os.path.splitext(file_name)[1] == '.xml':
- print self.style.NOTICE("Skipping '%s': not an XML file." % file_path)
+ file_base, ext = os.path.splitext(file_path)
+
+ # Skip files that are not XML files
+ if not ext == '.xml':
continue
- if verbosity > 0:
+
+ if verbose > 0:
print "Parsing '%s'" % file_path
-
- Book.from_xml_file(file_path)
-
+ else:
+ sys.stdout.write('.')
+ sys.stdout.flush()
+
+ # Import book files
+ try:
+ book = Book.from_xml_file(file_path, overwrite=force,
+ build_epub=options.get('build_epub'),
+ build_txt=options.get('build_txt'),
+ build_pdf=options.get('build_pdf'),
+ build_mobi=options.get('build_mobi'))
+ files_imported += 1
+
+ if os.path.isfile(file_base + '.pdf'):
+ book.pdf_file.save('%s.pdf' % book.slug, File(file(file_base + '.pdf')))
+ if verbose:
+ print "Importing %s.pdf" % file_base
+ if os.path.isfile(file_base + '.mobi'):
+ book.mobi_file.save('%s.mobi' % book.slug, File(file(file_base + '.mobi')))
+ if verbose:
+ print "Importing %s.mobi" % file_base
+ if os.path.isfile(file_base + '.epub'):
+ book.epub_file.save('%s.epub' % book.slug, File(file(file_base + '.epub')))
+ if verbose:
+ print "Importing %s.epub" % file_base
+ if os.path.isfile(file_base + '.txt'):
+ book.txt_file.save('%s.txt' % book.slug, File(file(file_base + '.txt')))
+ if verbose:
+ print "Importing %s.txt" % file_base
+
+ book.save()
+
+ except Book.AlreadyExists, msg:
+ print self.style.ERROR('%s: Book already imported. Skipping. To overwrite use --force.' %
+ file_path)
+ files_skipped += 1
+
+ except Book.DoesNotExist, e:
+ if file_name not in postponed or postponed[file_name] < files_imported:
+ # push it back into the queue, maybe the missing child will show up
+ if verbose:
+ print self.style.NOTICE('Waiting for missing children')
+ files.append(file_name)
+ postponed[file_name] = files_imported
+ else:
+ # we're in a loop, nothing's being imported - some child is really missing
+ raise e
+
+ # Print results
+ print
+ print "Results: %d files imported, %d skipped, %d total." % (
+ files_imported, files_skipped, files_imported + files_skipped)
+ print
+
+ if wait_until:
+ print 'Waiting...'
+ try:
+ time.sleep(wait_until - time.time())
+ except IOError:
+ print "it's already too late"
+
transaction.commit()
transaction.leave_transaction_management()