+import os
+import six
+import subprocess
+from tempfile import NamedTemporaryFile
+from librarian import functions, get_resource, OutputFile
+from librarian.hyphenator import Hyphenator
+from .epub import EpubBuilder
+
+
+class MobiBuilder(EpubBuilder):
+ file_extension = 'mobi'
+ isbn_field = 'isbn_mobi'
+
+ def build(self, document, use_kindlegen=False, converter_path=None, **kwargs):
+ bibl_lng = document.meta.language
+ short_lng = functions.lang_code_3to2(bibl_lng)
+ try:
+ self.hyphenator = Hyphenator(get_resource('res/hyph-dictionaries/hyph_' +
+ short_lng + '.dic'))
+ except:
+ pass
+
+ epub = super().build(document, **kwargs)
+
+ devnull = open("/dev/null", 'w')
+ gen_kwargs = {"stdout": devnull, "stderr": devnull}
+
+ output_file = NamedTemporaryFile(prefix='librarian', suffix='.mobi',
+ delete=False)
+ output_file.close()
+
+ if use_kindlegen:
+ output_file_basename = os.path.basename(output_file.name)
+ subprocess.check_call([converter_path or 'kindlegen',
+ '-c2', epub.get_filename(),
+ '-o', output_file_basename], **gen_kwargs)
+ else:
+ subprocess.check_call([converter_path or 'ebook-convert',
+ epub.get_filename(),
+ output_file.name, '--no-inline-toc',
+ '--mobi-file-type=both',
+ '--mobi-ignore-margins',
+ ], **gen_kwargs)
+ return OutputFile.from_filename(output_file.name)
+