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[3.13] gh-126413: Add translation tests for getopt and optparse (GH-126698) (GH-126755)

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(cherry picked from commit dff074d144)
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Tomas R. 2024-11-15 12:06:54 +01:00 • committed by GitHub
parent cb07c44e19
commit 1c158705f1
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7 changed files with 114 additions and 57 deletions
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56
Lib/test/test_argparse.py
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@ -6,10 +6,8 @@ import inspect
import io
import operator
import os
import re
import shutil
import stat
import subprocess
import sys
import textwrap
import tempfile
@ -18,15 +16,9 @@ import argparse
import warnings
from enum import StrEnum
from pathlib import Path
from test.support import REPO_ROOT
from test.support import TEST_HOME_DIR
from test.support import captured_stderr
from test.support import import_helper
from test.support import os_helper
from test.support import requires_subprocess
from test.support import script_helper
from test.test_tools import skip_if_missing
from test.support.i18n_helper import TestTranslationsBase, update_translation_snapshots
from unittest import mock
@ -6766,50 +6758,10 @@ class TestExitOnError(TestCase):
# Translation tests
# =================
pygettext = Path(REPO_ROOT) / 'Tools' / 'i18n' / 'pygettext.py'
snapshot_path = Path(TEST_HOME_DIR) / 'translationdata' / 'argparse' / 'msgids.txt'
msgid_pattern = re.compile(r'msgid(.*?)(?:msgid_plural|msgctxt|msgstr)', re.DOTALL)
msgid_string_pattern = re.compile(r'"((?:\\"|[^"])*)"')
@requires_subprocess()
class TestTranslations(unittest.TestCase):
class TestTranslations(TestTranslationsBase):
def test_translations(self):
# Test messages extracted from the argparse module against a snapshot
skip_if_missing('i18n')
res = generate_po_file(stdout_only=False)
self.assertEqual(res.returncode, 0)
self.assertEqual(res.stderr, '')
msgids = extract_msgids(res.stdout)
snapshot = snapshot_path.read_text().splitlines()
self.assertListEqual(msgids, snapshot)
def generate_po_file(*, stdout_only=True):
res = subprocess.run([sys.executable, pygettext,
'--no-location', '-o', '-', argparse.__file__],
stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
if stdout_only:
return res.stdout
return res
def extract_msgids(po):
msgids = []
for msgid in msgid_pattern.findall(po):
msgid_string = ''.join(msgid_string_pattern.findall(msgid))
msgid_string = msgid_string.replace(r'\"', '"')
if msgid_string:
msgids.append(msgid_string)
return sorted(msgids)
def update_translation_snapshots():
contents = generate_po_file()
msgids = extract_msgids(contents)
snapshot_path.write_text('\n'.join(msgids))
self.assertMsgidsEqual(argparse)
def tearDownModule():
@ -6821,6 +6773,6 @@ def tearDownModule():
if __name__ == '__main__':
# To regenerate translation snapshots
if len(sys.argv) > 1 and sys.argv[1] == '--snapshot-update':
update_translation_snapshots()
update_translation_snapshots(argparse)
sys.exit(0)
unittest.main()