Fixes #3952.

[librarian.git] / scripts / genslugs

diff --git a/scripts/genslugs b/scripts/genslugs
index 0957da7..9745b68 100755 (executable)
--- a/scripts/genslugs
+++ b/scripts/genslugs
@@ -2,8 +2,10 @@
 # -*- 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 Nowoczesna Polska. See NOTICE for more information.
 #
+from __future__ import print_function, unicode_literals
+
 import os
 import optparse
 
@@ -26,7 +28,7 @@ if __name__ == '__main__':
         help='print status messages to stdout')
     parser.add_option('-f', '--force', action='store_true', dest='force', default=False,
         help='overwrite current identifiers')
-    
+
     options, input_filenames = parser.parse_args()
 
     if len(input_filenames) < 1:
@@ -36,15 +38,15 @@ if __name__ == '__main__':
     # Do some real work
     for input_filename in input_filenames:
         if options.verbose:
-            print input_filename
-        
+            print(input_filename)
+
         doc = etree.parse(input_filename)
         try:
             title = doc.find('//{http://purl.org/dc/elements/1.1/}title').text
         except AttributeError:
-            print '%s:error:Book title not found. Skipping.' % input_filename
+            print('%s:error:Book title not found. Skipping.' % input_filename)
             continue
-        
+
         parent = ''
         try:
             parent_url = doc.find('//{http://purl.org/dc/elements/1.1/}relation.isPartOf').text
@@ -52,16 +54,16 @@ if __name__ == '__main__':
         except AttributeError:
             pass
         except IndexError:
-            print '%s:error:Invalid parent URL "%s". Skipping.' % (input_filename, parent_url)
-            
+            print('%s:error:Invalid parent URL "%s". Skipping.' % (input_filename, parent_url))
+
         book_url = doc.find('//{http://purl.org/dc/elements/1.1/}identifier.url')
         if book_url is None:
             book_description = doc.find('//{http://www.w3.org/1999/02/22-rdf-syntax-ns#}Description')
             book_url = etree.SubElement(book_description, '{http://purl.org/dc/elements/1.1/}identifier.url')
         if not options.force and book_url.text.startswith('http://'):
-            print '%s:Notice:Book already has identifier URL "%s". Skipping.' % (input_filename, book_url.text)
+            print('%s:Notice:Book already has identifier URL "%s". Skipping.' % (input_filename, book_url.text))
             continue
-        
+
         book_url.text = BOOK_URL + slughifi(parent + title)[:60]
 
         doc.write(input_filename, xml_declaration=True, pretty_print=True, encoding='utf-8')