-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-#
# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
#
-from __future__ import print_function, unicode_literals
-
import os.path
import optparse
-import six
from librarian import DirDocProvider, ParseError
from librarian.parser import WLDocument
-from librarian.cover import make_cover
+from librarian.cover import make_cover, COVER_CLASSES
-class Option(object):
+class Option:
"""Option for optparse. Use it like `optparse.OptionParser.add_option`."""
def __init__(self, *names, **options):
self.names = names
return getattr(options, self.name())
-class Book2Anything(object):
+class Book2Anything:
"""A class for creating book2... scripts.
-
+
Subclass it for any format you want to convert to.
"""
format_name = None # Set format name, like "PDF".
uses_provider = False # Does it need a DocProvider?
transform = None # Transform method. Uses WLDocument.as_{ext} by default.
parser_options = [] # List of Option objects for additional parser args.
- transform_options = [] # List of Option objects for additional transform args.
- transform_flags = [] # List of Option objects for supported transform flags.
+ # List of Option objects for additional transform args.
+ transform_options = []
+ # List of Option objects for supported transform flags.
+ transform_flags = []
@classmethod
def run(cls):
parser = optparse.OptionParser(usage=usage)
- parser.add_option('-v', '--verbose', action='store_true', dest='verbose', default=False,
- help='print status messages to stdout')
- parser.add_option('-d', '--make-dir', action='store_true', dest='make_dir', default=False,
- help='create a directory for author and put the output file in it')
- parser.add_option('-o', '--output-file', dest='output_file', metavar='FILE',
- help='specifies the output file')
- parser.add_option('-O', '--output-dir', dest='output_dir', metavar='DIR',
- help='specifies the directory for output')
+ parser.add_option(
+ '-v', '--verbose', action='store_true', dest='verbose',
+ default=False, help='print status messages to stdout')
+ parser.add_option(
+ '-d', '--make-dir', action='store_true', dest='make_dir',
+ default=False,
+ help='create a directory for author and put the output file in it'
+ )
+ parser.add_option(
+ '-o', '--output-file', dest='output_file', metavar='FILE',
+ help='specifies the output file')
+ parser.add_option(
+ '-O', '--output-dir', dest='output_dir', metavar='DIR',
+ help='specifies the directory for output'
+ )
if cls.uses_cover:
if cls.cover_optional:
- parser.add_option('-c', '--with-cover', action='store_true', dest='with_cover', default=False,
- help='create default cover')
- parser.add_option('-C', '--image-cache', dest='image_cache', metavar='URL',
- help='prefix for image download cache' +
- (' (implies --with-cover)' if cls.cover_optional else ''))
- for option in cls.parser_options + cls.transform_options + cls.transform_flags:
+ parser.add_option(
+ '-c', '--with-cover', action='store_true',
+ dest='with_cover', default=False,
+ help='create default cover'
+ )
+ parser.add_option(
+ '-C', '--image-cache', dest='image_cache', metavar='URL',
+ help='prefix for image download cache'
+ + (' (implies --with-cover)' if cls.cover_optional else '')
+ )
+ parser.add_option(
+ '--cover-class', dest='cover_class',
+ help='cover class name'
+ )
+ for option in (
+ cls.parser_options
+ + cls.transform_options
+ + cls.transform_flags):
option.add(parser)
options, input_filenames = parser.parse_args()
for option in cls.transform_options:
transform_args[option.name()] = option.value(options)
# Add flags to transform_args, if any.
- transform_flags = [flag.name() for flag in cls.transform_flags if flag.value(options)]
+ transform_flags = [
+ flag.name()
+ for flag in cls.transform_flags
+ if flag.value(options)
+ ]
if transform_flags:
transform_args['flags'] = transform_flags
if options.verbose:
if cls.uses_cover:
if options.image_cache:
def cover_class(book_info, *args, **kwargs):
- return make_cover(book_info, image_cache=options.image_cache, *args, **kwargs)
+ return make_cover(
+ book_info, image_cache=options.image_cache,
+ cover_class=options.cover_class,
+ *args, **kwargs
+ )
transform_args['cover'] = cover_class
elif not cls.cover_optional or options.with_cover:
- transform_args['cover'] = make_cover
+ cover_class = COVER_CLASSES.get(
+ options.cover_class, make_cover)
+ transform_args['cover'] = cover_class
# Do some real work
try:
if options.verbose:
print(main_input)
- if isinstance(main_input, six.binary_type):
+ if isinstance(main_input, bytes):
main_input = main_input.decode('utf-8')
# Where to find input?
output_file = options.output_file
# Do the transformation.
- doc = WLDocument.from_file(main_input, provider=provider, **parser_args)
+ doc = WLDocument.from_file(main_input, provider=provider,
+ **parser_args)
transform = cls.transform
if transform is None:
transform = getattr(WLDocument, 'as_%s' % cls.ext)
output = transform(doc, **transform_args)
- doc.save_output_file(output, output_file, options.output_dir, options.make_dir, cls.ext)
+ doc.save_output_file(output, output_file, options.output_dir,
+ options.make_dir, cls.ext)
except ParseError as e:
print('%(file)s:%(name)s:%(message)s' % {
fnp / librarian.git / blobdiff