Re: [devel] python.req error

From: "Антон Мидюков" <midyukov-anton@ya.ru>
To: devel@lists.altlinux.org
Subject: Re: [devel] python.req error
Date: Sat, 21 Oct 2017 15:00:15 +0700
Message-ID: <3de80525-093c-4fad-9e9f-d757c8010908@ya.ru> (raw)
In-Reply-To: <CAO_PtThP8OBNc8-O0PrNoSYm3zTAaOv9pt+PXaycgbAjK_MUcQ@mail.gmail.com>

21.10.2017 13:32, Vitaly Kuznetsov пишет:
> On Sat, Oct 21, 2017 at 8:12 AM, Антон Мидюков <midyukov-anton@ya.ru> wrote:
>> Подскажите, пожалуйста, что не понравилось в синтаксисе python.req:
>>
>> python.req: ERROR:
>> /usr/src/tmp/Uranium-buildroot/usr/lib/uranium/plugins/LocalFileOutputDevice/LocalFileOutputDevice.py:
>> invalid syntax (line 159)
>> Traceback (most recent call last):
>>    File "/usr/lib/rpm/python.req.py", line 230, in <module>
>>      lis = parser.suite('\n'.join(lines)+'\n').tolist(line_info=1)
>>    File "<string>", line 159
>>      raise
>> OutputDeviceError.PermissionDeniedError(catalog.i18nc("@info:status Don't
>> translate the XML tags <filename>!", "Permission denied when trying to save
>> <filename>{0}</filename>").format(file_name)) from e
>> ^
>> SyntaxError: invalid syntax
>>
> raise ... from - это конструкция Python3:

Понятно. А как мне сказать python.req, что этот файл написан на python3? 
Я пакет собираю для python3 исключительно.
> $ python2
> Python 2.7.13 (default, Sep  5 2017, 08:53:59)
> [GCC 7.1.1 20170622 (Red Hat 7.1.1-3)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> try:
> ...     1/0
> ... except:
> ...     raise RuntimeError("Something bad happened") from None
>    File "<stdin>", line 4
>      raise RuntimeError("Something bad happened") from None
>                                                      ^
> SyntaxError: invalid syntax
>
> $ python3
> Python 3.6.2 (default, Oct  2 2017, 16:51:32)
> [GCC 7.2.1 20170915 (Red Hat 7.2.1-2)] on linux
> Type "help", "copyright", "credits" or "license" for more information.
>>>> try:
> ...     1/0
> ... except:
> ...    raise RuntimeError("Something bad happened") from None
> ...
> Traceback (most recent call last):
>    File "<stdin>", line 4, in <module>
> RuntimeError: Something bad happened
>
> https://docs.python.org/3/reference/simple_stmts.html#raise
> https://docs.python.org/2.7/reference/simple_stmts.html#raise
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-- 
С уважением, Антон Мидюков <antohami@altlinux.org>