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Re: Would you like XSV to have an offline mode?

From: Dan Connolly <connolly@w3.org>
Date: Fri, 05 Jan 2001 11:39:54 -0600
To: "Henry S. Thompson" <ht@cogsci.ed.ac.uk>
Cc: MarkH@i2.co.uk, xmlschema-dev@w3.org
Message-id: <3A5606EA.48E2F823@w3.org>
"Henry S. Thompson" wrote:
> MarkH@i2.co.uk writes:
> > I work from home (56k modem connection) and office (big fat connection) and
> > the need to be online when validating makes working from home very tedious.
> > In the past I have saved local copies of the various specs and DTDs and
> > mangled my files to use them, but this is painful (tracking them all down)
> > and error prone (having to keep files with hacked URLs).
> >
> > It would be lovely if XSV could have an offline mode where it would save
> > copies of resources locally and use them when not online.
> >
> > Is this something that others would benefit from?
> >
> > Henry - what do you think about this?
> I'm all in favour of the functionality described.  I wish someone
> would implement a simple universal caching proxy for offline use:

To my satisfaction, someone has:

The WWWOFFLE Homepage

World Wide Web Offline Explorer

The wwwoffled program is a simple proxy server with special features for
use with
dial-up internet links. This means that it is possible to browse web
pages and read
them without having to remain connected. 

--        The WWWOFFLE Homepage
Sat, 18 Nov 2000 20:08:11 GMT

I've been using it... specifically, the debian package:
wwwoffle 2.5c-10   (502.1k)

for several days now, and I'm quite satisfied.

>  XSV
> uses standard http libraries

I think the python urlopener libraries include caching support, Henry.

Any volunteers to look into the details there?

> and is therefore sensitive to the value
> of the http_proxy environment variable.  Were such a proxy available,
> all that would be required would be to first while online launch the
> proxy, set http_proxy to point to it, run XSV on the relevant
> documents, then be free to run offline with the same proxy.  Perhaps
> such a proxy already exists?


Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Friday, 5 January 2001 12:44:12 UTC

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