gettext() cannot find translations with plural forms

[jwilk]

BPO	18319
Nosy	@loewis, @warsaw, @Cito, @jwilk, @gbassiere
PRs	bpo-18319: gettext() can retrieve a message even if a plural form exists #19869
Files	test.mo

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2013-06-27.22:53:23.400>
labels = ['type-bug', '3.8', '3.9', '3.10', '3.7', 'library']
title = 'gettext() cannot find translations with plural forms'
updated_at = <Date 2020-09-18.20:39:10.360>
user = 'https://github.com/jwilk'

bugs.python.org fields:

activity = <Date 2020-09-18.20:39:10.360>
actor = 'cito'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2013-06-27.22:53:23.400>
creator = 'jwilk'
dependencies = []
files = ['30717']
hgrepos = []
issue_num = 18319
keywords = ['patch']
message_count = 3.0
messages = ['191967', '228601', '368346']
nosy_count = 6.0
nosy_names = ['loewis', 'barry', 'cito', 'jwilk', 'python-dev', 'Gilles Bassi\xc3\xa8re']
pr_nums = ['19869']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue18319'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10']

Linked PRs

• gh-62519: Make pgettext search plurals when translation is not found #107118
• [3.11] gh-62519: Make pgettext search plurals when translation is not found (GH-107118) #107133
• [3.12] gh-62519: Make pgettext search plurals when translation is not found (GH-107118) #107134

[jwilk]

gettext() cannot find translations for messages that have plural forms. I would expect that gettext(s) is equivalent to ngettext(s, s, 1) for such messages, as it is implemented in GNU gettext.

>>> import gettext
>>> with open('test.mo', 'rb') as mo: trans = gettext.GNUTranslations(mo)
... 
>>> trans.ngettext("egg", "eggs", 1)
'Ei'
>>> trans.gettext("egg")
'egg'

[BreamoreBoy]

@martin can you comment on this please.

[gbassiere]

Hi there,

I worked on a patch for this issue (see attached pull request).

I would be happy to discuss it with people involved in gettext module maintenance but I'm not sure how to contact them. Is there a dedicated mailing list or an IRC channel or something? I've found i18n-sig but it has been inactive for 5 years...

Best regards
Gilles