Re: [Q] ImportError by import() on Python >= 3.4

Path	csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From	Makoto Kuwata <kwa@kuwata-lab.com>
Newsgroups	comp.lang.python
Subject	Re: [Q] ImportError by __import__() on Python >= 3.4
Date	Wed, 8 Jun 2016 18:52:05 +0900
Lines	28
Sender	kwatch@gmail.com
Message-ID	<mailman.74.1465379529.2306.python-list@python.org> (permalink)
References	<CAFTm5Rv+K6KFMt2FXfWfZtn5gAnJtf4XawfijRpO4vcJf73h7g@mail.gmail.com> <CAGgTfkOLNpR29ff3S64f9H=-2EffHq8KZG0CDONFvMB8Luw9bw@mail.gmail.com> <CAFTm5Ru5EMAuDXdUt3aoAAT1bFwNUL88oOH3RWL4z4LNi8Hy+g@mail.gmail.com>
Mime-Version	1.0
Content-Type	text/plain; charset=UTF-8
X-Trace	news.uni-berlin.de 7DMjyT5I9SQmmCyoz0e44AoQk26VxULrbucUWXitAh7w==
Return-Path	<kwatch@gmail.com>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.001
X-Spam-Evidence	'H': 1.00; 'S': 0.00; 'subject:: [': 0.03; 'subject:Python': 0.05; 'fixes': 0.05; 'bug.': 0.07; 'dynamically': 0.07; 'cc:addr:python-list': 0.09; 'files.': 0.13; 'suggest': 0.15; 'importing': 0.15; "skip:' 30": 0.15; 'thu,': 0.15; '2016': 0.16; 'great!': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'wrote:': 0.16; 'sender:addr:gmail.com': 0.18; 'skip:` 20': 0.18; 'email addr:gmail.com>': 0.18; 'subject:] ': 0.19; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'am,': 0.23; 'header:In-Reply-To:1': 0.24; 'message- id:@mail.gmail.com': 0.27; "skip:' 10": 0.28; 'code': 0.30; 'strongly': 0.30; 'skip:_ 10': 0.32; 'url:python': 0.33; 'michael': 0.33; 'tue,': 0.34; 'worked': 0.34; 'received:google.com': 0.35; 'trouble': 0.35; 'replaced': 0.35; 'skip:i 20': 0.36; 'instead': 0.36; 'url:org': 0.36; 'received:209.85': 0.36; 'url:library': 0.36; 'received:209': 0.38; 'thank': 0.38; 'well.': 0.40; 'url:3': 0.60; 'your': 0.60; "you'll": 0.61; 'kuwata': 0.84; 'makoto': 0.84
DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=T83VeyERf0WRdf4neVovPta0VLqFR0oXDjnkD/fyGOY=; b=sPMXXbMh812u1JwPn0e9tQWZjMXI2L9FSZYBksa2vFO30w4+IXjuq0vWBTa2WkL5+F xPIVCLP0zJS+Hw3RhK1e3p8uHYNdtHNfj+VzjW8z3uNSpVlY32b2dVQM2tssNEvOX3S8 r30bbBZGEdYaDCzcnauPtMb5lR5Y5T0graixVKHRsYB7RbKLP3MV1RUadKNHiCHTxA+H wC+hCbNgJjaVfSGq4gClmiI6lSvfrrEY2SNQijgRv81Kh/8ccVnwLkqeYlm1BXfzM7V0 s48mKxFkDBFiOebxfZzU5/jU9sAqhQJh3tTZCke3GvM42F2mkssYdkLAEe4qyDCUrECc 3ApQ==
DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=kuwata-lab-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=T83VeyERf0WRdf4neVovPta0VLqFR0oXDjnkD/fyGOY=; b=EXZiFpmDBn8/9DfQqj6q+NY3uGUGztisf4BGEh32Frff/lGgMm7Y8HUYPFIi69l3lu reRoLyEp0Th7jMpZHyzHGNX64o16ebsrMhJZLzWZS2yOMJWyFtLpbc/+8M8TOEDnqJqz 0XbIxo+YfhWTz4oDHeDKYE0XsM4UKG27rzOobA9w1I0gpl6Obuo7reDKP342ATk8KLUW eFkrHld+y4sq8PjKXfMkYIUG3nD87wivGlekK+qnuHf/pdOkpWPdCnwdO06H9f72bi9c aI+kz7rfPXBFK2V8R50AKxfgq/k/5GRVKvAfDwo3s3sjtz+gvt06dSm47AMGM7e4mHGd lf6w==
X-Google-DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=T83VeyERf0WRdf4neVovPta0VLqFR0oXDjnkD/fyGOY=; b=OWAQlY9iQ5jJ91tx6kIC7HPKajGNjHkcVmFbEUd06/EIzwkGzjtHrFOn5CpU4WrPvG lcRNzH4etJxwl0qBFNBW+C+X4pu4NMcIaxwy1zC8R3yVN04RoXWD2XGs4cJdZbkuvPk/ auAe/ZRLlhiVuQdjGQDDIQ8ZbxsO5/NWATcNlPCD8EmtTtgaTrrS44osSjnO8qpV7Drj PBsbJJnDeao8/ck9H2Ay1zly3qnQZ1w0H5fFL66W+m8aIs93TiYunHVvT1dnAvAlxhLv 7wLnKK+pcoIYcx0nXF4CZM35jsobEZ/LasLmZcmuO99xLSXroDfWG5nT3U6Q3g5VZtPA ZMew==
X-Gm-Message-State	ALyK8tLDi6k3HO1N7GBOlMrnNtaXK4IumnQ5YM00j7cSWAyCqatkhh6ROhjE88Cd6Bb9ei3mkHXHEz3tJV+YMQ==
X-Received	by 10.140.104.52 with SMTP id z49mr3569069qge.23.1465379526323; Wed, 08 Jun 2016 02:52:06 -0700 (PDT)
In-Reply-To	<CAGgTfkOLNpR29ff3S64f9H=-2EffHq8KZG0CDONFvMB8Luw9bw@mail.gmail.com>
X-Google-Sender-Auth	0jQGBoybwH_KKSpJFKFMzJT-5Mc
X-Content-Filtered-By	Mailman/MimeDel 2.1.22
X-BeenThere	python-list@python.org
X-Mailman-Version	2.1.22
Precedence	list
List-Id	General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe	<https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive	<http://mail.python.org/pipermail/python-list/>
List-Post	<mailto:python-list@python.org>
List-Help	<mailto:python-list-request@python.org?subject=help>
List-Subscribe	<https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
X-Mailman-Original-Message-ID	<CAFTm5Ru5EMAuDXdUt3aoAAT1bFwNUL88oOH3RWL4z4LNi8Hy+g@mail.gmail.com>
X-Mailman-Original-References	<CAFTm5Rv+K6KFMt2FXfWfZtn5gAnJtf4XawfijRpO4vcJf73h7g@mail.gmail.com> <CAGgTfkOLNpR29ff3S64f9H=-2EffHq8KZG0CDONFvMB8Luw9bw@mail.gmail.com>
Xref	csiph.com comp.lang.python:109669

Show key headers only | View raw

On Tue, Jun 7, 2016 at 7:28 AM, Michael Selik <michael.selik@gmail.com>
wrote:

> On Thu, Jun 2, 2016 at 10:06 AM Makoto Kuwata <kwa@kuwata-lab.com> wrote:
>
>> I have a trouble around __import__().
>>
>
> The docs for __import__ strongly recommend that you use importlib instead
> https://docs.python.org/3.5/library/importlib.html#importlib.import_module
>
> The docs for ``importlib.import_module`` suggest that you use
> ``invalidate_caches`` if you are importing dynamically generated files.
>
> https://docs.python.org/3.5/library/importlib.html#importlib.invalidate_caches
>
> I think you'll find this fixes your bug.
>

Great!
I replaced '__import__()' in my code  with 'importlib.invalidate_cache();
importlib.import_module()'
and found it worked very well.
Thank you very much.

--
regards,
makoto

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread

Thread

Re: [Q] ImportError by __import__() on Python >= 3.4 Makoto Kuwata <kwa@kuwata-lab.com> - 2016-06-08 18:52 +0900

csiph-web