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110 lines
4.3 KiB
Python
Executable File
110 lines
4.3 KiB
Python
Executable File
#!/usr/bin/python
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# Authors:
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# John Dennis <jdennis@redhat.com>
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#
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# Copyright (C) 2010 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import sys
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import gettext
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import locale
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import re
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import os
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def get_msgid(po_file):
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'Get the first non-empty msgid from the po file'
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msgid_re = re.compile(r'^\s*msgid\s+"(.+)"\s*$')
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f = open(po_file)
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for line in f.readlines():
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match = msgid_re.search(line)
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if match:
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msgid = match.group(1)
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f.close()
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return msgid
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f.close()
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raise ValueError('No msgid found in %s' % po_file)
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# We test our translations by taking the original untranslated string
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# (e.g. msgid) and prepend a prefix character and then append a suffix
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# character. The test consists of asserting that the first character in the
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# translated string is the prefix, the last character in the translated string
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# is the suffix and the everything between the first and last character exactly
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# matches the original msgid.
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#
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# We use unicode characters not in the ascii character set for the prefix and
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# suffix to enhance the test. To make reading the translated string easier the
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# prefix is the unicode right pointing arrow and the suffix left pointing arrow,
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# thus the translated string looks like the original string enclosed in
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# arrows. In ASCII art the string "foo" would render as:
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# -->foo<--
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# Unicode right pointing arrow
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prefix = u'\u2192' # utf-8 == '\xe2\x86\x92'
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# Unicode left pointing arrow
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suffix = u'\u2190' # utf-8 == '\xe2\x86\x90'
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def main():
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test_file = 'test.po'
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try:
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# The test installs the test message catalog under the xh_ZA (e.g. Zambia Xhosa)
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# language. It would be nice to use a dummy language not associated with any
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# real language, but the setlocale function demands the locale be a valid known
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# locale, Zambia Xhosa is a reasonable choice :)
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os.environ['LANG'] = 'xh_ZA'
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# Tell gettext that our domain is 'ipa', that locale_dir is 'test_locale'
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# (i.e. where to look for the message catalog) and that we want the translations
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# returned as unicode from the _() function
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gettext.install('ipa', 'test_locale', unicode=1)
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# We need a translatable string to test with, read one from the test po file
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msgid = get_msgid(test_file)
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print "Using message string \"%s\" found in file \"%s\"" % (msgid, test_file)
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# Get the translated version of the msgid string by invoking _()
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translated = _(msgid) #pylint: disable=E0602
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# Verify the first character is the test prefix
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if translated[0] != prefix:
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raise ValueError("First char in translated string \"%s\" not equal to prefix \"%s\"" % \
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(translated.encode('utf-8'), prefix.encode('utf-8')))
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# Verify the last character is the test suffix
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if translated[-1] != suffix:
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raise ValueError("Last char in translated string \"%s\" not equal to suffix \"%s\"" % \
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(translated.encode('utf-8'), suffix.encode('utf-8')))
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# Verify everything between the first and last character is the
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# original untranslated string
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if translated[1:-1] != msgid:
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raise ValueError("Translated string \"%s\" minus the first & last character is not equal to msgid \"%s\"" % \
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(translated.encode('utf-8'), msgid))
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print "Success: message string \"%s\" maps to translated string \"%s\"" % (msgid, _(msgid).encode('utf-8')) #pylint: disable=E0602
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except Exception, e:
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print >> sys.stderr, "ERROR: %s" % e
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return 1
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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