Initial import

ebook_converter/spell/__init__.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python2
+# vim:fileencoding=utf-8
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+__license__ = 'GPL v3'
+__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
+
+from collections import namedtuple
+
+from calibre.utils.localization import canonicalize_lang
+
+DictionaryLocale = namedtuple('DictionaryLocale', 'langcode countrycode')
+
+ccodes, ccodemap, country_names = None, None, None
+
+
+def get_codes():
+    global ccodes, ccodemap, country_names
+    if ccodes is None:
+        from calibre.utils.serialize import msgpack_loads
+        data = msgpack_loads(P('localization/iso3166.calibre_msgpack', allow_user_override=False, data=True))
+        ccodes, ccodemap, country_names = data['codes'], data['three_map'], data['names']
+    return ccodes, ccodemap
+
+
+def parse_lang_code(raw):
+    raw = raw or ''
+    parts = raw.replace('_', '-').split('-')
+    lc = canonicalize_lang(parts[0])
+    if lc is None:
+        raise ValueError('Invalid language code: %r' % raw)
+    cc = None
+    if len(parts) > 1:
+        ccodes, ccodemap = get_codes()[:2]
+        q = parts[1].upper()
+        if q in ccodes:
+            cc = q
+        else:
+            cc = ccodemap.get(q, None)
+    return DictionaryLocale(lc, cc)