Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: 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; 'memory.': 0.05; 'desired.': 0.07; 'table.': 0.07; 'subject:question': 0.08; 'from:addr:ethan': 0.09; 'from:addr:stoneleaf.us': 0.09; 'from:name:ethan furman': 0.09; 'message-id:@stoneleaf.us': 0.09; 'received:184.172': 0.09; 'received:gator410.hostgator.com': 0.09; 'sqlite': 0.09; 'surrounded': 0.09; '~ethan~': 0.09; 'aug': 0.13; 'resulting': 0.13; 'colons': 0.16; 'disk.': 0.16; 'in-memory': 0.16; 'pythonic': 0.16; 'stumbled': 0.16; 'subject:API': 0.16; 'thoughts?': 0.16; 'martin': 0.16; 'wrote:': 0.17; 'expanded': 0.17; 'implementing': 0.17; 'thu,': 0.17; 'memory': 0.18; 'feature': 0.24; 'header:In-Reply-To:1': 0.25; 'header:User- Agent:1': 0.26; 'wondering': 0.26; 'appreciated.': 0.26; 'thanks!': 0.26; 'disk': 0.27; 'library.': 0.27; 'streaming': 0.27; 'record': 0.28; 'feature,': 0.29; 'class': 0.29; "i'm": 0.29; 'not.': 0.32; 'comments': 0.33; 'to:addr:python-list': 0.33; 'agree': 0.34; 'pm,': 0.35; 'table': 0.35; 'but': 0.36; 'method': 0.36; 'should': 0.36; 'subject:: ': 0.38; 'instead': 0.39; 'to:addr:python.org': 0.39; 'where': 0.40; 'skip:" 10': 0.40; 'header:Received:5': 0.40; 'help': 0.40; 'your': 0.60; 'decision': 0.60; 'situation': 0.62; 'more': 0.63; 'making': 0.64; 'results': 0.65; 'received:67.18': 0.65; 'actually,': 0.84; 'furman': 0.84; 'to:name:python': 0.84; 'ethan': 0.91; 'received:gateway02.websitewelcome.com': 0.91 Date: Sun, 05 Aug 2012 07:09:38 -0700 From: Ethan Furman User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Python Subject: Re: dbf.py API question References: <501AA304.3090000@stoneleaf.us> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator410.hostgator.com X-AntiAbuse: Original Domain - python.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stoneleaf.us X-BWhitelist: no X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.74.2]) [50.137.155.36]:3999 X-Source-Auth: ethan+stoneleaf.us X-Email-Count: 1 X-Source-Cap: dG9idWs7dG9idWs7Z2F0b3I0MTAuaG9zdGdhdG9yLmNvbQ== X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 34 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1344176168 news.xs4all.nl 6851 [2001:888:2000:d::a6]:55378 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:26533 Ole Martin Bjørndalen wrote: > On Thu, Aug 2, 2012 at 5:55 PM, Ethan Furman wrote: >> SQLite has a neat feature where if you give it a the file-name of ':memory:' >> the resulting table is in memory and not on disk. I thought it was a cool >> feature, but expanded it slightly: any name surrounded by colons results in >> an in-memory table. >> >> I'm looking at the same type of situation with indices, but now I'm >> wondering if the :name: method is not pythonic and I should use a flag >> (in_memory=True) when memory storage instead of disk storage is desired. >> >> Thoughts? > > I agree that the flag would be more pythonic in dbf.py. > > I was not aware that you are adding sqlite functionality to your > library. This is very cool! Actually, I'm not. I had stumbled across that one tidbit and thought it was cool, but cool is not always pythonic. ;) > I am considering adding a "streaming=True" flag which would make the > table class a record generator, You can do this by implementing either __getitem__ or __iter__, unless the streaming flag would also make your table not in memory. > I hope this can help you somehow in your decision making process. All comments appreciated. Thanks! ~Ethan~