XML DOM, but in chunks

[Sean Davis]

I have some very large XML files that are basically recordsets. I
would like to access each record, one-at-a-time, and I particularly
like the ElementTree library for accessing the data. Is there a way
to have ElementTree read only one record of the data at a time?
Alternatively, are there other ways that would allow one to parse out
a record at a time and maintain some nice ways of accessing the
elements within the record?

Thanks,
Sean

 

[Marc 'BlackJack' Rintsch]

I have some very large XML files that are basically recordsets. I
would like to access each record, one-at-a-time, and I particularly
like the ElementTree library for accessing the data. Is there a way
to have ElementTree read only one record of the data at a time?

Have you tried `iterparse()`?

Ciao,
Marc 'BlackJack' Rintsch

 

[Tommy Nordgren]

I have some very large XML files that are basically recordsets. I
would like to access each record, one-at-a-time, and I particularly
like the ElementTree library for accessing the data. Is there a way
to have ElementTree read only one record of the data at a time?
Alternatively, are there other ways that would allow one to parse out
a record at a time and maintain some nice ways of accessing the
elements within the record?

Thanks,
Sean

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You need a Python (or other language) implementation of the SAX API

 

[Tommy Nordgren]

You need a Python (or other language) implementation of the SAX API

The module you need is xml.sax

 

[George Sakkis]

Have you tried `iterparse()`?

Ciao,
Marc 'BlackJack' Rintsch

Detailed docs at http://effbot.org/zone/element-iterparse.htm

George

 

[Stefan Behnel]

The module you need is xml.sax

That's unlikely - few people "need" SAX. If they think they do, they just
don't know the alternatives. I think iterparse() is what he was looking for.

Stefan