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SUSPECT: Re: Python, xml, databases, ...

Pieter Claerhout Pieter.Claerhout at Creo.com
Wed Dec 3 06:19:16 EST 2003 
SQLite is easier to embed since you don't need to install anything
seperately. Include the neccesary Python modules and shared libraries, and
you can create databases. With Firebird, MySQL and PostgreSQL, you need to
install separate software. If I'm not mistaking, performance wise, SQLite
will be faster, but I'm not sure how it handles large databases (let's say
100 MB or more).

Cheers,


pieter

Creo
pieter claerhout | remote support focal point prinergy | tel: +32 2 352 2511
| pieter.claerhout at creo.com | www.creo.com

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-----Original Message-----
From: Zunbeltz Izaola [mailto:zunbeltz at wm.lc.ehu.es.XXX] 
Sent: 03 December 2003 12:23
To: python-list at python.org
Subject: SUSPECT: Re: Python, xml, databases, ...


> I think you want to be clear whether you want a database or not.  If you
> want to put the data into a database, you probably do not want to also put
> it into a file structure.  Although you certainly could then store to file
> in the database, I think you would end up loosing the usefulness of one or
> the other (or both).
> 

I think i prefer first to store the information in a file. And then
see while the program is growing if it worth to use a database.

> > What tool are suitable for this task? I have read somethin
> > about MySQL and PostgreSQL, but i think they are only for servers, no
> > for program, is that all right?
> 
> What do you mean by 'they are only for servers'?
> 
> Any machine can run a service (such as MySQL or PostgreSQL), and if it
> offers that service to other machines then it is acting as 'server', or it
> can just use it locally.

Up, I concept missundertand of mine. I want to know if
MySQL/PostgreSQL are only used in large web servers and such things,
or are also used in small programs that both the server and client
runs localy.

> 
> What platform are you planning to run this on?  If it is Linux, then
either
> MySQL or PostgreSQL are easy options - most distros have pre-compiled
> versions out of the box.
> 

I want to have the program in both linux and windows.

> On Windows, both MySQL and PostgreSQL rely on the Cygwin dll.  It looks
like
> MySQL has an easier Windows install, but their use of the cygwin dll
> outside of Cygwin proper has serious stability consequences if the user
> installs another cygwin based program.  PostgreSQL is a 'proper' cygwin
> program, but will be harder for non-unix/linux people to
> install/administer.
> 
> You could also consider Firebird (http://firebird.sourceforge.net/) it has
a
> native Windows version as well as a Unix/Linux version) or SQLite
> (http://www.hwaci.com/sw/sqlite/) with PySQLite
> (http://pysqlite.sourceforge.net/manual.html).
> 
> There is also GadflyB5 (http://gadfly.sourceforge.net/) which looks like
it
> is written in pure python.  There are probably other options too.
>  

Can you give me an advaice about what has a better easy to
use/performance ratio.

> > I would build a GUI for the program (presumibly with wxPython). I want
> > to separate the GUI layer from the program layer. For comunication of
> > this two layer I have think in asyncore, but i have read something
> > about twisted and piro. Can anyone give my his/her opinion about this?
> 
> Funny, I asked almost the same question about 20 minutes before you did.

I have no see the question yet :-) 
Cheers,

zunbeltz


> Cheers,
> 
> Rasjid.
> 

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