Limit image size, fixes #4464.

[librarian.git] / src / librarian / book2anything.py

diff --git a/src/librarian/book2anything.py b/src/librarian/book2anything.py
old mode 100755 (executable)
new mode 100644 (file)
index d954ce6..b9e2a33
--- a/src/librarian/book2anything.py
+++ b/src/librarian/book2anything.py
@@ -1,20 +1,14 @@
-#!/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
@@ -30,7 +24,7 @@ class Option(object):
         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.
@@ -82,6 +76,10 @@ class Book2Anything(object):
                 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
@@ -118,11 +116,14 @@ class Book2Anything(object):
                 def cover_class(book_info, *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:
@@ -130,7 +131,7 @@ class Book2Anything(object):
                 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?