test_gettext.py

mallet是自然语言处理、机器学习领域的一个开源项目。

import os
import base64
import gettext


def test_api_1(localedir, mofile):
    print 'test api 1'

    # Test basic interface
    os.environ['LANGUAGE'] = 'xx'

    print 'installing gettext'
    gettext.install('gettext', localedir)

    # test some translations
    print _('albatross')
    print _(u'mullusk')
    print _(r'Raymond Luxury Yach-t')
    print _(ur'nudge nudge')

    # double quotes
    print _("albatross")
    print _(u"mullusk")
    print _(r"Raymond Luxury Yach-t")
    print _(ur"nudge nudge")

    # triple single quotes
    print _('''albatross''')
    print _(u'''mullusk''')
    print _(r'''Raymond Luxury Yach-t''')
    print _(ur'''nudge nudge''')

    # triple double quotes
    print _("""albatross""")
    print _(u"""mullusk""")
    print _(r"""Raymond Luxury Yach-t""")
    print _(ur"""nudge nudge""")

    # multiline strings
    print _('''This module provides internationalization and localization
support for your Python programs by providing an interface to the GNU
gettext message catalog library.''')

    # test the alternative interface
    fp = open(os.path.join(mofile), 'rb')
    t = gettext.GNUTranslations(fp)
    fp.close()

    t.install()

    print _('nudge nudge')

    # try unicode return type
    t.install(unicode=1)

    print _('mullusk')



def test_api_2(localedir, mofile):
    print 'test api 2'

    gettext.bindtextdomain('gettext', localedir)
    print gettext.bindtextdomain('gettext') == localedir

    gettext.textdomain('gettext')
    # should return 'gettext'
    print gettext.textdomain()

    # local function override builtin
    _ = gettext.gettext

    # test some translations
    print _('albatross')
    print _(u'mullusk')
    print _(r'Raymond Luxury Yach-t')
    print _(ur'nudge nudge')

    # double quotes
    print _("albatross")
    print _(u"mullusk")
    print _(r"Raymond Luxury Yach-t")
    print _(ur"nudge nudge")

    # triple single quotes
    print _('''albatross''')
    print _(u'''mullusk''')
    print _(r'''Raymond Luxury Yach-t''')
    print _(ur'''nudge nudge''')

    # triple double quotes
    print _("""albatross""")
    print _(u"""mullusk""")
    print _(r"""Raymond Luxury Yach-t""")
    print _(ur"""nudge nudge""")

    # multiline strings
    print _('''This module provides internationalization and localization
support for your Python programs by providing an interface to the GNU
gettext message catalog library.''')

    # Now test dgettext()
    def _(message):
        return gettext.dgettext('gettext')



GNU_MO_DATA = '''\
3hIElQAAAAAFAAAAHAAAAEQAAAAHAAAAbAAAAAAAAACIAAAAFQAAAIkAAAChAAAAnwAAAAcAAABB
AQAACwAAAEkBAAAZAQAAVQEAABYAAABvAgAAoQAAAIYCAAAFAAAAKAMAAAkAAAAuAwAAAQAAAAQA
AAACAAAAAAAAAAUAAAAAAAAAAwAAAABSYXltb25kIEx1eHVyeSBZYWNoLXQAVGhpcyBtb2R1bGUg
cHJvdmlkZXMgaW50ZXJuYXRpb25hbGl6YXRpb24gYW5kIGxvY2FsaXphdGlvbgpzdXBwb3J0IGZv
ciB5b3VyIFB5dGhvbiBwcm9ncmFtcyBieSBwcm92aWRpbmcgYW4gaW50ZXJmYWNlIHRvIHRoZSBH
TlUKZ2V0dGV4dCBtZXNzYWdlIGNhdGFsb2cgbGlicmFyeS4AbXVsbHVzawBudWRnZSBudWRnZQBQ
cm9qZWN0LUlkLVZlcnNpb246IDIuMApQTy1SZXZpc2lvbi1EYXRlOiAyMDAwLTA4LTI5IDEyOjE5
LTA0OjAwCkxhc3QtVHJhbnNsYXRvcjogQmFycnkgQS4gV2Fyc2F3IDxiYXJyeUBweXRob24ub3Jn
PgpMYW5ndWFnZS1UZWFtOiBYWCA8cHl0aG9uLWRldkBweXRob24ub3JnPgpNSU1FLVZlcnNpb246
IDEuMApDb250ZW50LVR5cGU6IHRleHQvcGxhaW47IGNoYXJzZXQ9a29pOF9yCkNvbnRlbnQtVHJh
bnNmZXItRW5jb2Rpbmc6IG5vbmUKR2VuZXJhdGVkLUJ5OiBweWdldHRleHQucHkgMS4xCgBUaHJv
YXR3b2JibGVyIE1hbmdyb3ZlAEd1dmYgemJxaHlyIGNlYml2cXJmIHZhZ3JlYW5ndmJhbnl2bW5n
dmJhIG5hcSB5YnBueXZtbmd2YmEKZmhjY2JlZyBzYmUgbGJoZSBDbGd1YmEgY2VidGVuemYgb2wg
Y2ViaXZxdmF0IG5hIHZhZ3Jlc25wciBnYiBndXIgVEFICnRyZ2dya2cgenJmZm50ciBwbmdueWJ0
IHl2b2VuZWwuAGJhY29uAHdpbmsgd2luawA=
'''


LOCALEDIR = os.path.join('xx', 'LC_MESSAGES')
MOFILE = os.path.join(LOCALEDIR, 'gettext.mo')

def setup():
    os.makedirs(LOCALEDIR)
    fp = open(MOFILE, 'wb')
    fp.write(base64.decodestring(GNU_MO_DATA))
    fp.close()

def teardown():
    os.unlink(MOFILE)
    os.removedirs(LOCALEDIR)


try:
    setup()
    test_api_1(os.curdir, MOFILE)
    test_api_2(os.curdir, MOFILE)
finally:
    teardown()
    pass



# For reference, here's the .po file used to created the .mo data above.

'''
# Dummy translation for Python's test_gettext.py module.
# Copyright (C) 2001 Python Software Foundation
# Barry Warsaw <[e-mail]>, 2000.
#
msgid ""
msgstr ""
"Project-Id-Version: 2.0\n"
"PO-Revision-Date: 2000-08-29 12:19-04:00\n"
"Last-Translator: Barry A. Warsaw <[e-mail]>\n"
"Language-Team: XX <[e-mail]>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=koi8_r\n"
"Content-Transfer-Encoding: none\n"
"Generated-By: pygettext.py 1.1\n"

#: test_gettext.py:19 test_gettext.py:25 test_gettext.py:31 test_gettext.py:37
#: test_gettext.py:51 test_gettext.py:80 test_gettext.py:86 test_gettext.py:92
#: test_gettext.py:98
msgid "nudge nudge"
msgstr "wink wink"

#: test_gettext.py:16 test_gettext.py:22 test_gettext.py:28 test_gettext.py:34
#: test_gettext.py:77 test_gettext.py:83 test_gettext.py:89 test_gettext.py:95
msgid "albatross"
msgstr ""

#: test_gettext.py:18 test_gettext.py:24 test_gettext.py:30 test_gettext.py:36
#: test_gettext.py:79 test_gettext.py:85 test_gettext.py:91 test_gettext.py:97
msgid "Raymond Luxury Yach-t"
msgstr "Throatwobbler Mangrove"

#: test_gettext.py:17 test_gettext.py:23 test_gettext.py:29 test_gettext.py:35
#: test_gettext.py:56 test_gettext.py:78 test_gettext.py:84 test_gettext.py:90
#: test_gettext.py:96
msgid "mullusk"
msgstr "bacon"

#: test_gettext.py:40 test_gettext.py:101
msgid ""
"This module provides internationalization and localization\n"
"support for your Python programs by providing an interface to the GNU\n"
"gettext message catalog library."
msgstr ""
"Guvf zbqhyr cebivqrf vagreangvbanyvmngvba naq ybpnyvmngvba\n"
"fhccbeg sbe lbhe Clguba cebtenzf ol cebivqvat na vagresnpr gb gur TAH\n"
"trggrkg zrffntr pngnybt yvoenel."
'''