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Make genindex support RTL languages

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If a string starts with an RTL mark, simply skip it and use the following
character as the first letter.
This commit is contained in:
Dmitry Shachnev 2017-02-27 15:45:34 +03:00
parent 046abd0577
commit d534692a0e
1 changed files with 4 additions and 0 deletions
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4
sphinx/environment/managers/indexentries.py
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@ -119,6 +119,8 @@ class IndexEntries(EnvironmentManager):
# using specified category key to sort # using specified category key to sort
key = category_key key = category_key
lckey = unicodedata.normalize('NFD', key.lower()) lckey = unicodedata.normalize('NFD', key.lower())
if lckey.startswith(u'\N{RIGHT-TO-LEFT MARK}'):
lckey = lckey[1:]
if lckey[0:1].isalpha() or lckey.startswith('_'): if lckey[0:1].isalpha() or lckey.startswith('_'):
lckey = chr(127) + lckey lckey = chr(127) + lckey
# ensure a determinstic order *within* letters by also sorting on # ensure a determinstic order *within* letters by also sorting on
@ -163,6 +165,8 @@ class IndexEntries(EnvironmentManager):
v[1] = sorted((si, se) for (si, (se, void, void)) in iteritems(v[1])) v[1] = sorted((si, se) for (si, (se, void, void)) in iteritems(v[1]))
if v[2] is None: if v[2] is None:
# now calculate the key # now calculate the key
if k.startswith(u'\N{RIGHT-TO-LEFT MARK}'):
k = k[1:]
letter = unicodedata.normalize('NFD', k[0])[0].upper() letter = unicodedata.normalize('NFD', k[0])[0].upper()
if letter.isalpha() or letter == '_': if letter.isalpha() or letter == '_':
return letter return letter