Re: Cannot get the value from dogpile.cache from different modules.

Path	csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From	Mark Lawrence <breamoreboy@yahoo.co.uk>
Newsgroups	comp.lang.python
Subject	Re: Cannot get the value from dogpile.cache from different modules.
Date	Tue, 29 Dec 2015 17:14:19 +0000
Lines	68
Message-ID	<mailman.55.1451409296.11925.python-list@python.org> (permalink)
References	<7c8df879-b03a-4323-90c5-3221dd1eced2@googlegroups.com> <e94e9346-cccd-44cb-b889-75c308921555@googlegroups.com>
Mime-Version	1.0
Content-Type	text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding	7bit
X-Trace	news.uni-berlin.de gxsgNRnzvtFC4bq8x2k+lgr74nE1neBhNzZC2+icjQvQ==
Return-Path	<python-python-list@m.gmane.org>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.000
X-Spam-Evidence	'H': 1.00; 'S': 0.00; '"""': 0.05; 'cache': 0.05; 'from:addr:yahoo.co.uk': 0.05; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'type)': 0.09; 'stored': 0.10; 'python': 0.10; 'def': 0.13; 'value.': 0.15; '(string)': 0.16; '[1].': 0.16; '[2].': 0.16; 'backend.': 0.16; 'dictionary.': 0.16; 'mailinglist': 0.16; 'modules,': 0.16; 'put.': 0.16; 'received:80.91.229.3': 0.16; 'received:io': 0.16; 'received:plane.gmane.org': 0.16; 'received:psf.io': 0.16; 'utc,': 0.16; 'wrote:': 0.16; 'skip:` 10': 0.18; 'skip:` 20': 0.18; 'variable': 0.18; 'language': 0.19; '2015': 0.20; 'lawrence': 0.22; 'file.': 0.22; 'import': 0.24; 'header:In-Reply-To:1': 0.24; 'module': 0.25; 'header:User-Agent:1': 0.26; 'example': 0.26; 'header:X-Complaints-To:1': 0.26; '[2]': 0.27; 'subject:skip:d 10': 0.27; 'idea': 0.28; 'values': 0.28; 'dictionary': 0.29; 'end,': 0.29; 'value)': 0.29; 'code': 0.30; 'december': 0.32; '[1]': 0.32; 'language.': 0.32; 'returned': 0.32; 'class': 0.33; 'file': 0.34; 'saved': 0.35; 'but': 0.36; 'should': 0.36; 'there': 0.36; 'url:org': 0.36; 'skip:m 40': 0.36; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'method': 0.37; 'received:org': 0.37; 'files': 0.38; 'why': 0.39; 'data': 0.39; 'subject:from': 0.39; 'subject:the': 0.39; 'to:addr:python.org': 0.40; 'where': 0.40; 'mark': 0.40; 'save': 0.60; 'show': 0.62; 'charset:windows-1252': 0.62; 'different': 0.63; 'our': 0.64; 'accessed': 0.66; 'here': 0.66; 'subject:get': 0.81; 'pythonistas,': 0.84; 'subject:value': 0.84
X-Injected-Via-Gmane	http://gmane.org/
X-Gmane-NNTP-Posting-Host	ip13.worldwideprinting.adsl.gxn.net
User-Agent	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0
In-Reply-To	<e94e9346-cccd-44cb-b889-75c308921555@googlegroups.com>
X-BeenThere	python-list@python.org
X-Mailman-Version	2.1.20+
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>
Xref	csiph.com comp.lang.python:100960

Show key headers only | View raw

On 29/12/2015 15:20, xeon Mailinglist wrote:
> On Tuesday, December 29, 2015 at 11:16:10 AM UTC, xeon Mailinglist wrote:
>> 1. How do I create a global variable that can be accessed by all classes?
>>
>> 2. I am using `dogpile.cache` to store data in the cache [1], but if I set and get the same key from different modules, I don't get the value. Here is an example in [2]. The value than I get is `NO_VALUE.NO_VALUE`. Why this happens?
>>
>> setter is the setter.py
>> getter is the getter.py
>> Memoize is the file in [1].
>>
>>
>> [1] my dogpile class `Memoize.py`
>>
>>      from dogpile.cache import make_region
>>
>>      region = make_region().configure('dogpile.cache.memory')
>>
>>      def save(key, value):
>>        """
>>        general purpose method to save data (value) in the cache
>>
>>        :param key (string) key of the value to be saved in cache
>>        :param value (any type) the value to be saved
>>        """
>>        region.set(key, value)
>>
>>
>>      def get(key):
>>        """
>>        general purpose method to get data from the cache
>>
>>        :param key (string) key of the data to be fetched
>>        :return value (any type) data to be returned from the cache
>>        """
>>        return region.get(key)
>>
>>
>> [2] My python example
>>
>> `setter.py`
>>
>>      def myset(value):
>>        Memoize.save("myvalue", value)
>>
>> `getter.py`
>>
>>     def myget():
>>        return Memoize.get("myvalue") <- this value is NO_VALUE. NO_VALUE
>>
>> My class:
>>
>>      setter.myset(123)
>>      getter.myget()
>
> The idea that I get from dogpile, is that in each module (getter.py, or setter.py) there is a dictionary where the values are stored in the backend. Hence, getter.py has its dictionary and setter.py has its dictionary also. In the end, there is not a single dictionary where all the values should be put. And I want a single dictionary.
>

Then put everything in one file.  Three files for the amount of code you 
show above is nonsensical.  You might like to read 
http://dirtsimple.org/2004/12/python-is-not-java.html and in response to 
that http://dirtsimple.org/2004/12/java-is-not-python-either.html

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

Thread

Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 03:15 -0800
Re: Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 07:20 -0800
Re: Cannot get the value from dogpile.cache from different modules. Peter Otten <__peter__@web.de> - 2015-12-29 17:17 +0100
Re: Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 09:13 -0800
Re: Cannot get the value from dogpile.cache from different modules. Peter Otten <__peter__@web.de> - 2015-12-29 18:33 +0100
Re: Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 09:38 -0800
Re: Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 10:22 -0800
Re: Cannot get the value from dogpile.cache from different modules. Peter Otten <__peter__@web.de> - 2015-12-29 20:11 +0100
Re: Cannot get the value from dogpile.cache from different modules. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-29 17:14 +0000
Re: Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 09:23 -0800
Re: Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 09:27 -0800
Re: Cannot get the value from dogpile.cache from different modules. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-29 19:22 +0000
Re: Cannot get the value from dogpile.cache from different modules. xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-12-29 14:57 -0800
Re: Cannot get the value from dogpile.cache from different modules. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-29 23:30 +0000
Re: Cannot get the value from dogpile.cache from different modules. Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-12-29 17:49 -0500

csiph-web