django/tests/i18n/test_extraction.py

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# -*- encoding: utf-8 -*-
from __future__ import unicode_literals
import io
import os
import re
import shutil
from unittest import SkipTest, skipUnless
import warnings
from django.core import management
from django.core.management.utils import find_command
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from django.test import SimpleTestCase
from django.utils.encoding import force_text
from django.utils._os import upath
from django.utils import six
from django.utils.six import StringIO
from django.utils.translation import TranslatorCommentWarning
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LOCALE = 'de'
has_xgettext = find_command('xgettext')
@skipUnless(has_xgettext, 'xgettext is mandatory for extraction tests')
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class ExtractorTests(SimpleTestCase):
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PO_FILE = 'locale/%s/LC_MESSAGES/django.po' % LOCALE
def setUp(self):
self._cwd = os.getcwd()
self.test_dir = os.path.abspath(
os.path.join(os.path.dirname(upath(__file__)), 'commands'))
def _rmrf(self, dname):
if os.path.commonprefix([self.test_dir, os.path.abspath(dname)]) != self.test_dir:
return
shutil.rmtree(dname)
def rmfile(self, filepath):
if os.path.exists(filepath):
os.remove(filepath)
def tearDown(self):
os.chdir(self.test_dir)
try:
self._rmrf('locale/%s' % LOCALE)
except OSError:
pass
os.chdir(self._cwd)
def assertMsgId(self, msgid, s, use_quotes=True):
q = '"'
if use_quotes:
msgid = '"%s"' % msgid
q = "'"
needle = 'msgid %s' % msgid
msgid = re.escape(msgid)
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return self.assertTrue(re.search('^msgid %s' % msgid, s, re.MULTILINE), 'Could not find %(q)s%(n)s%(q)s in generated PO file' % {'n': needle, 'q': q})
def assertNotMsgId(self, msgid, s, use_quotes=True):
if use_quotes:
msgid = '"%s"' % msgid
msgid = re.escape(msgid)
return self.assertTrue(not re.search('^msgid %s' % msgid, s, re.MULTILINE))
class BasicExtractorTests(ExtractorTests):
def test_comments_extractor(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE))
with io.open(self.PO_FILE, 'r', encoding='utf-8') as fp:
po_contents = fp.read()
self.assertTrue('#. Translators: This comment should be extracted' in po_contents)
self.assertTrue('This comment should not be extracted' not in po_contents)
# Comments in templates
self.assertTrue('#. Translators: Django template comment for translators' in po_contents)
self.assertTrue("#. Translators: Django comment block for translators\n#. string's meaning unveiled" in po_contents)
self.assertTrue('#. Translators: One-line translator comment #1' in po_contents)
self.assertTrue('#. Translators: Two-line translator comment #1\n#. continued here.' in po_contents)
self.assertTrue('#. Translators: One-line translator comment #2' in po_contents)
self.assertTrue('#. Translators: Two-line translator comment #2\n#. continued here.' in po_contents)
self.assertTrue('#. Translators: One-line translator comment #3' in po_contents)
self.assertTrue('#. Translators: Two-line translator comment #3\n#. continued here.' in po_contents)
self.assertTrue('#. Translators: One-line translator comment #4' in po_contents)
self.assertTrue('#. Translators: Two-line translator comment #4\n#. continued here.' in po_contents)
self.assertTrue('#. Translators: One-line translator comment #5 -- with non ASCII characters: áéíóúö' in po_contents)
self.assertTrue('#. Translators: Two-line translator comment #5 -- with non ASCII characters: áéíóúö\n#. continued here.' in po_contents)
def test_templatize_trans_tag(self):
# ticket #11240
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
self.assertMsgId('Literal with a percent symbol at the end %%', po_contents)
self.assertMsgId('Literal with a percent %% symbol in the middle', po_contents)
self.assertMsgId('Completed 50%% of all the tasks', po_contents)
self.assertMsgId('Completed 99%% of all the tasks', po_contents)
self.assertMsgId("Shouldn't double escape this sequence: %% (two percent signs)", po_contents)
self.assertMsgId("Shouldn't double escape this sequence %% either", po_contents)
self.assertMsgId("Looks like a str fmt spec %%s but shouldn't be interpreted as such", po_contents)
self.assertMsgId("Looks like a str fmt spec %% o but shouldn't be interpreted as such", po_contents)
def test_templatize_blocktrans_tag(self):
# ticket #11966
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
self.assertMsgId('I think that 100%% is more that 50%% of anything.', po_contents)
self.assertMsgId('I think that 100%% is more that 50%% of %(obj)s.', po_contents)
self.assertMsgId("Blocktrans extraction shouldn't double escape this: %%, a=%(a)s", po_contents)
def test_force_en_us_locale(self):
"""Value of locale-munging option used by the command is the right one"""
from django.core.management.commands.makemessages import Command
self.assertTrue(Command.leave_locale_alone)
def test_extraction_error(self):
os.chdir(self.test_dir)
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self.assertRaises(SyntaxError, management.call_command, 'makemessages', locale=LOCALE, extensions=['tpl'], verbosity=0)
with self.assertRaises(SyntaxError) as context_manager:
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management.call_command('makemessages', locale=LOCALE, extensions=['tpl'], verbosity=0)
six.assertRegex(self, str(context_manager.exception),
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r'Translation blocks must not include other block tags: blocktrans \(file templates[/\\]template_with_error\.tpl, line 3\)'
)
# Check that the temporary file was cleaned up
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self.assertFalse(os.path.exists('./templates/template_with_error.tpl.py'))
def test_unicode_decode_error(self):
os.chdir(self.test_dir)
shutil.copyfile('./not_utf8.sample', './not_utf8.txt')
self.addCleanup(self.rmfile, os.path.join(self.test_dir, 'not_utf8.txt'))
stdout = StringIO()
management.call_command('makemessages', locale=LOCALE, stdout=stdout)
self.assertIn("UnicodeDecodeError: skipped file not_utf8.txt in .",
force_text(stdout.getvalue()))
def test_extraction_warning(self):
"""test xgettext warning about multiple bare interpolation placeholders"""
os.chdir(self.test_dir)
shutil.copyfile('./code.sample', './code_sample.py')
self.addCleanup(self.rmfile, os.path.join(self.test_dir, 'code_sample.py'))
stdout = StringIO()
management.call_command('makemessages', locale=LOCALE, stdout=stdout)
self.assertIn("code_sample.py:4", force_text(stdout.getvalue()))
def test_template_message_context_extractor(self):
"""
Ensure that message contexts are correctly extracted for the
{% trans %} and {% blocktrans %} template tags.
Refs #14806.
"""
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
# {% trans %}
self.assertTrue('msgctxt "Special trans context #1"' in po_contents)
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self.assertMsgId("Translatable literal #7a", po_contents)
self.assertTrue('msgctxt "Special trans context #2"' in po_contents)
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self.assertMsgId("Translatable literal #7b", po_contents)
self.assertTrue('msgctxt "Special trans context #3"' in po_contents)
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self.assertMsgId("Translatable literal #7c", po_contents)
# {% blocktrans %}
self.assertTrue('msgctxt "Special blocktrans context #1"' in po_contents)
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self.assertMsgId("Translatable literal #8a", po_contents)
self.assertTrue('msgctxt "Special blocktrans context #2"' in po_contents)
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self.assertMsgId("Translatable literal #8b-singular", po_contents)
self.assertTrue("Translatable literal #8b-plural" in po_contents)
self.assertTrue('msgctxt "Special blocktrans context #3"' in po_contents)
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self.assertMsgId("Translatable literal #8c-singular", po_contents)
self.assertTrue("Translatable literal #8c-plural" in po_contents)
self.assertTrue('msgctxt "Special blocktrans context #4"' in po_contents)
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self.assertMsgId("Translatable literal #8d %(a)s", po_contents)
def test_context_in_single_quotes(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
# {% trans %}
self.assertTrue('msgctxt "Context wrapped in double quotes"' in po_contents)
self.assertTrue('msgctxt "Context wrapped in single quotes"' in po_contents)
# {% blocktrans %}
self.assertTrue('msgctxt "Special blocktrans context wrapped in double quotes"' in po_contents)
self.assertTrue('msgctxt "Special blocktrans context wrapped in single quotes"' in po_contents)
def test_template_comments(self):
"""Template comment tags on the same line of other constructs (#19552)"""
os.chdir(self.test_dir)
# Test detection/end user reporting of old, incorrect templates
# translator comments syntax
with warnings.catch_warnings(record=True) as ws:
warnings.simplefilter('always')
management.call_command('makemessages', locale=LOCALE, extensions=['thtml'], verbosity=0)
self.assertEqual(len(ws), 3)
for w in ws:
self.assertTrue(issubclass(w.category, TranslatorCommentWarning))
six.assertRegex(self, str(ws[0].message),
r"The translator-targeted comment 'Translators: ignored i18n comment #1' \(file templates[/\\]comments.thtml, line 4\) was ignored, because it wasn't the last item on the line\."
)
six.assertRegex(self, str(ws[1].message),
r"The translator-targeted comment 'Translators: ignored i18n comment #3' \(file templates[/\\]comments.thtml, line 6\) was ignored, because it wasn't the last item on the line\."
)
six.assertRegex(self, str(ws[2].message),
r"The translator-targeted comment 'Translators: ignored i18n comment #4' \(file templates[/\\]comments.thtml, line 8\) was ignored, because it wasn't the last item on the line\."
)
# Now test .po file contents
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
self.assertMsgId('Translatable literal #9a', po_contents)
self.assertFalse('ignored comment #1' in po_contents)
self.assertFalse('Translators: ignored i18n comment #1' in po_contents)
self.assertMsgId("Translatable literal #9b", po_contents)
self.assertFalse('ignored i18n comment #2' in po_contents)
self.assertFalse('ignored comment #2' in po_contents)
self.assertMsgId('Translatable literal #9c', po_contents)
self.assertFalse('ignored comment #3' in po_contents)
self.assertFalse('ignored i18n comment #3' in po_contents)
self.assertMsgId('Translatable literal #9d', po_contents)
self.assertFalse('ignored comment #4' in po_contents)
self.assertMsgId('Translatable literal #9e', po_contents)
self.assertFalse('ignored comment #5' in po_contents)
self.assertFalse('ignored i18n comment #4' in po_contents)
self.assertMsgId('Translatable literal #9f', po_contents)
self.assertTrue('#. Translators: valid i18n comment #5' in po_contents)
self.assertMsgId('Translatable literal #9g', po_contents)
self.assertTrue('#. Translators: valid i18n comment #6' in po_contents)
self.assertMsgId('Translatable literal #9h', po_contents)
self.assertTrue('#. Translators: valid i18n comment #7' in po_contents)
self.assertMsgId('Translatable literal #9i', po_contents)
six.assertRegex(self, po_contents, r'#\..+Translators: valid i18n comment #8')
six.assertRegex(self, po_contents, r'#\..+Translators: valid i18n comment #9')
self.assertMsgId("Translatable literal #9j", po_contents)
class JavascriptExtractorTests(ExtractorTests):
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PO_FILE = 'locale/%s/LC_MESSAGES/djangojs.po' % LOCALE
def test_javascript_literals(self):
os.chdir(self.test_dir)
management.call_command('makemessages', domain='djangojs', locale=LOCALE, verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = fp.read()
self.assertMsgId('This literal should be included.', po_contents)
self.assertMsgId('This one as well.', po_contents)
self.assertMsgId(r'He said, \"hello\".', po_contents)
self.assertMsgId("okkkk", po_contents)
self.assertMsgId("TEXT", po_contents)
self.assertMsgId("It's at http://example.com", po_contents)
self.assertMsgId("String", po_contents)
self.assertMsgId("/* but this one will be too */ 'cause there is no way of telling...", po_contents)
self.assertMsgId("foo", po_contents)
self.assertMsgId("bar", po_contents)
self.assertMsgId("baz", po_contents)
self.assertMsgId("quz", po_contents)
self.assertMsgId("foobar", po_contents)
class IgnoredExtractorTests(ExtractorTests):
def test_ignore_option(self):
os.chdir(self.test_dir)
ignore_patterns = [
os.path.join('ignore_dir', '*'),
'xxx_*',
]
stdout = StringIO()
management.call_command('makemessages', locale=LOCALE, verbosity=2,
ignore_patterns=ignore_patterns, stdout=stdout)
data = stdout.getvalue()
self.assertTrue("ignoring directory ignore_dir" in data)
self.assertTrue("ignoring file xxx_ignored.html" in data)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = fp.read()
self.assertMsgId('This literal should be included.', po_contents)
self.assertNotMsgId('This should be ignored.', po_contents)
self.assertNotMsgId('This should be ignored too.', po_contents)
class SymlinkExtractorTests(ExtractorTests):
def setUp(self):
super(SymlinkExtractorTests, self).setUp()
self.symlinked_dir = os.path.join(self.test_dir, 'templates_symlinked')
def tearDown(self):
super(SymlinkExtractorTests, self).tearDown()
os.chdir(self.test_dir)
try:
os.remove(self.symlinked_dir)
except OSError:
pass
os.chdir(self._cwd)
def test_symlink(self):
# On Python < 3.2 os.symlink() exists only on Unix
if hasattr(os, 'symlink'):
if os.path.exists(self.symlinked_dir):
self.assertTrue(os.path.islink(self.symlinked_dir))
else:
# On Python >= 3.2) os.symlink() exists always but then can
# fail at runtime when user hasn't the needed permissions on
# WIndows versions that support symbolink links (>= 6/Vista).
# See Python issue 9333 (http://bugs.python.org/issue9333).
# Skip the test in that case
try:
os.symlink(os.path.join(self.test_dir, 'templates'), self.symlinked_dir)
except (OSError, NotImplementedError):
raise SkipTest("os.symlink() is available on this OS but can't be used by this user.")
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0, symlinks=True)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
self.assertMsgId('This literal should be included.', po_contents)
self.assertTrue('templates_symlinked/test.html' in po_contents)
class CopyPluralFormsExtractorTests(ExtractorTests):
PO_FILE_ES = 'locale/es/LC_MESSAGES/django.po'
def tearDown(self):
super(CopyPluralFormsExtractorTests, self).tearDown()
os.chdir(self.test_dir)
try:
self._rmrf('locale/es')
except OSError:
pass
os.chdir(self._cwd)
def test_copy_plural_forms(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
self.assertTrue('Plural-Forms: nplurals=2; plural=(n != 1)' in po_contents)
def test_override_plural_forms(self):
"""Ticket #20311."""
os.chdir(self.test_dir)
management.call_command('makemessages', locale='es', extensions=['djtpl'], verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE_ES))
with io.open(self.PO_FILE_ES, 'r', encoding='utf-8') as fp:
po_contents = fp.read()
found = re.findall(r'^(?P<value>"Plural-Forms.+?\\n")\s*$', po_contents, re.MULTILINE | re.DOTALL)
self.assertEqual(1, len(found))
class NoWrapExtractorTests(ExtractorTests):
def test_no_wrap_enabled(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0, no_wrap=True)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
self.assertMsgId('This literal should also be included wrapped or not wrapped depending on the use of the --no-wrap option.', po_contents)
def test_no_wrap_disabled(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0, no_wrap=False)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
self.assertMsgId('""\n"This literal should also be included wrapped or not wrapped depending on the "\n"use of the --no-wrap option."', po_contents, use_quotes=False)
class LocationCommentsTests(ExtractorTests):
def test_no_location_enabled(self):
"""Behavior is correct if --no-location switch is specified. See #16903."""
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0, no_location=True)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
po_contents = force_text(fp.read())
needle = os.sep.join(['#: templates', 'test.html:55'])
self.assertFalse(needle in po_contents, '"%s" shouldn\'t be in final .po file.' % needle)
def test_no_location_disabled(self):
"""Behavior is correct if --no-location switch isn't specified."""
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0, no_location=False)
self.assertTrue(os.path.exists(self.PO_FILE))
with open(self.PO_FILE, 'r') as fp:
# Standard comment with source file relative path should be present -- #16903
po_contents = force_text(fp.read())
if os.name == 'nt':
# #: .\path\to\file.html:123
cwd_prefix = '%s%s' % (os.curdir, os.sep)
else:
# #: path/to/file.html:123
cwd_prefix = ''
needle = os.sep.join(['#: %stemplates' % cwd_prefix, 'test.html:55'])
self.assertTrue(needle in po_contents, '"%s" not found in final .po file.' % needle)
# #21208 -- Leaky paths in comments on Windows e.g. #: path\to\file.html.py:123
bad_suffix = '.py'
bad_string = 'templates%stest.html%s' % (os.sep, bad_suffix) #
self.assertFalse(bad_string in po_contents, '"%s" shouldn\'t be in final .po file.' % bad_string)
class KeepPotFileExtractorTests(ExtractorTests):
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POT_FILE = 'locale/django.pot'
def setUp(self):
super(KeepPotFileExtractorTests, self).setUp()
def tearDown(self):
super(KeepPotFileExtractorTests, self).tearDown()
os.chdir(self.test_dir)
try:
os.unlink(self.POT_FILE)
except OSError:
pass
os.chdir(self._cwd)
def test_keep_pot_disabled_by_default(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0)
self.assertFalse(os.path.exists(self.POT_FILE))
def test_keep_pot_explicitly_disabled(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0,
keep_pot=False)
self.assertFalse(os.path.exists(self.POT_FILE))
def test_keep_pot_enabled(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale=LOCALE, verbosity=0,
keep_pot=True)
self.assertTrue(os.path.exists(self.POT_FILE))
class MultipleLocaleExtractionTests(ExtractorTests):
PO_FILE_PT = 'locale/pt/LC_MESSAGES/django.po'
PO_FILE_DE = 'locale/de/LC_MESSAGES/django.po'
LOCALES = ['pt', 'de', 'ch']
def tearDown(self):
os.chdir(self.test_dir)
for locale in self.LOCALES:
try:
self._rmrf('locale/%s' % locale)
except OSError:
pass
os.chdir(self._cwd)
def test_multiple_locales(self):
os.chdir(self.test_dir)
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management.call_command('makemessages', locale=['pt', 'de'], verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE_PT))
self.assertTrue(os.path.exists(self.PO_FILE_DE))
def test_comma_separated_locales(self):
os.chdir(self.test_dir)
management.call_command('makemessages', locale='pt,de,ch', verbosity=0)
self.assertTrue(os.path.exists(self.PO_FILE_PT))
self.assertTrue(os.path.exists(self.PO_FILE_DE))