add test_constants_translations_are_up_to_date, fix broken translations

djoser/locale/ja/LC_MESSAGES/django.po

@@ -55,16 +55,6 @@ msgstr "入力されたemailを使用しているユーザーは見つかりま
 msgid "Unable to create account."
 msgstr "アカウントを作成できませんでした。"
 
-#: djoser/constants.py:15
-msgid ""
-"User model does not contain specified email field. Please see http://djoser."
-"readthedocs.io/en/latest/settings.html#USER_EMAIL_FIELD_NAME for more "
-"details."
-msgstr ""
-"指定されたemailフィールドを持つユーザーモデルが存在しません。 "
-"http://djoser.readthedocs.io/en/latest/settings.html#USER_EMAIL_FIELD_NAME "
-"上記から詳細を確認してください。"
-
 #: djoser/templates/email/activation.html:4
 #, python-format
 msgid "Account activation on %(site_name)s"

djoser/locale/pl/LC_MESSAGES/django.po

@@ -17,7 +17,7 @@ msgstr ""
 "%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
 "%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
 #: djoser/constants.py:4
-msgid "Unable to login with provided credentials."
+msgid "Unable to log in with provided credentials."
 msgstr "Nie udało się zalogować przy pomocy tych danych."
 
 #: djoser/constants.py:5
@@ -57,15 +57,6 @@ msgstr "Użytkownik z tym adresem email nie istnieje."
 msgid "Unable to create account."
 msgstr "Nie udało się stworzyć konta."
 
-#: djoser/constants.py:15
-msgid ""
-"User model does not contain specified email field. Please see http://djoser."
-"readthedocs.io/en/latest/settings.html#USER_EMAIL_FIELD_NAME for more "
-"details."
-msgstr "Model użytkownika nie zawiera wskazanego pola email. Zobacz "
-"http://djoser.readthedocs.io/en/latest/settings.html#USER_EMAIL_FIELD_NAME "
-"by zobaczyć więcej szczegółów"
-
 #: djoser/templates/email/activation.html:4
 #, python-format
 msgid "Account activation on %(site_name)s"

djoser/locale/pt_BR/LC_MESSAGES/django.po

@@ -15,7 +15,7 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 
 #: djoser/constants.py:4
-msgid "Unable to login with provided credentials."
+msgid "Unable to log in with provided credentials."
 msgstr "Não foi possível fazer login com os dados inseridos."
 
 #: djoser/constants.py:5
@@ -55,16 +55,6 @@ msgstr "Não existe um usuário com o email fornecido."
 msgid "Unable to create account."
 msgstr "Não foi possível criar a conta."
 
-#: djoser/constants.py:15
-msgid ""
-"User model does not contain specified email field. Please see http://djoser."
-"readthedocs.io/en/latest/settings.html#USER_EMAIL_FIELD_NAME for more "
-"details."
-msgstr ""
-"O usuário fornecido não possui campo de email definido. Por favor, confira "
-"http://djoser.readthedocs.io/en/latest/settings.html#USER_EMAIL_FIELD_NAME "
-"para mais detalhes."
-
 #: djoser/templates/email/activation.html:4
 #, python-format
 msgid "Account activation on %(site_name)s"

djoser/locale/ru_RU/LC_MESSAGES/django.po

@@ -20,7 +20,7 @@ msgstr ""
 "X-Poedit-SearchPath-0: .\n"
 
 #: djoser/constants.py:4
-msgid "Unable to login with provided credentials."
+msgid "Unable to log in with provided credentials."
 msgstr "Невозможно войти с предоставленными учетными данными."
 
 #: djoser/constants.py:5
@@ -60,15 +60,6 @@ msgstr "Пользователь с данным адресом электрон
 msgid "Unable to create account."
 msgstr "Невозможно создать учетную запись."
 
-#: djoser/constants.py:15
-msgid ""
-"User model does not contain specified email field. Please see http://djoser."
-"readthedocs.io/en/latest/settings.html#USER_EMAIL_FIELD_NAME for more details."
-msgstr ""
-"Модель пользователя не содержит указанное поле для электронной почты. Пожалуйста, "
-"посмотрите http://djoser.readthedocs.io/en/latest/settings."
-"html#USER_EMAIL_FIELD_NAME для получения дополнительной информации."
-
 #: djoser/templates/email/activation.html:4
 #, python-format
 msgid "Account activation on %(site_name)s"

pyproject.toml

@@ -54,6 +54,7 @@ coverage = "^7.2.2"
 pytest-cov = "^4.0.0"
 pytest-django = "^4.5.2"
 tox = "^4.4.8"
+babel = "^2.12.1"
 
 [tool.poetry.group.code-quality.dependencies]
 black = "^23.1.0"

testproject/testapp/tests/test_translations.py

@@ -0,0 +1,36 @@
+from io import StringIO
+
+from babel.messages.pofile import read_po
+from django.utils.encoding import force_str
+import pathlib
+
+from djoser.constants import Messages
+
+
+def test_constants_translations_are_up_to_date():
+    messages = {force_str(v) for k, v in vars(Messages).items() if k.isupper()}
+    ERROR_TEMPALTE = (
+        "Error message '{message}' was found in "
+        "locale {locale} but can't be found in the messages class"
+    )
+
+    root = pathlib.Path(__file__).parent.parent.parent.parent
+    locale_dir = root / "djoser" / "locale"
+    for specific_locale in locale_dir.iterdir():
+        po_file = specific_locale / "LC_MESSAGES" / "django.po"
+        po_contents = po_file.read_text()
+        with StringIO() as buf:
+            buf.write(po_contents)
+            buf.seek(0)
+            parsed_po = read_po(buf)
+            for message in parsed_po:
+                if not message.id:
+                    continue
+                if "djoser/constants.py" not in [loc[0] for loc in message.locations]:
+                    continue
+                if message.id not in messages:
+                    raise ValueError(
+                        ERROR_TEMPALTE.format(
+                            message=message.id, locale=specific_locale.name
+                        )
+                    )