[Zope] Binary data in Zope DTML documents

Phil Harris phil@philh.org
Wed, 7 Jul 1999 13:00:22 +0100


You are probably right, there may be other chars in there such as embedded
returns or even some other more wild and wonderful stuff.

I'll give your fix a go and see if it works.

Thanks for the speedy response, 8^)

See ya

Phil
phil@philh.org

----- Original Message -----
From: Alexander Staubo <alex@mop.no>
To: Zope Mailing List (E-mail) <zope@zope.org>; 'Phil Harris'
<phil@philh.org>
Sent: Wednesday, July 07, 1999 12:53 PM
Subject: RE: [Zope] Binary data in Zope DTML documents


> It shouldn't be your tab characters -- I tried adding tabs to a document
> in Zope 1.11.0pr1, and Zope returned the correct content type. The code
> to determine whether a document is binary can be found in
> OFS\content_types.py:
>
> find_binary=ts_regex.compile('[\0-\6\177-\277]').search
>
> When Zope detects binary data, it returns the content type
> application/octet-stream rather than text/html.
>
> Although as you can see, this won't be triggered by tabs, in my opinion
> the above regex is way too stringent: This has the unfortunate effect of
> treating documents with valid, non-binary ISO characters -- including
> international characters, the Euro, Pound and Yen symbols, TM, and
> old-style fractions. Sure, HTML character-reference entities can (and
> should?) be used instead of the actual characters, but that doesn't
> change the fact that the binary detection is just plain wrong.
>
> Btw, you should search your document carefully for the offending
> characters. Since it's unlikely that the tabs are triggering the
> problem, there ought to be others. For my own Zope installation I just
> commented out the binary check, though. In the end, I don't write that
> many binary DTML documents. :-)
>
> Unless anyone has objections, I'll post this to the Collector.
>
> --
> Alexander Staubo             http://www.mop.no/~alex/
> "What the hell, he thought, you're only young once, and threw
> himself out of the window. That would at least keep the element of
> surprise on his side."
> --Douglas Adams, _The Hitchhiker's Guide to the Galaxy_
>
> >-----Original Message-----
> >From: zope-admin@zope.org [mailto:zope-admin@zope.org]On Behalf Of Phil
> >Harris
> >Sent: 7. juli 1999 13:18
> >To: zope@zope.org
> >Subject: [Zope] Binary data in Zope DTML documents
> >
> >
> >Hi all,
> >
> >I have a database which has a field called content, this field
> >is mostly
> >text but has a few 'tab' chars in it.
> >
> >It seems that zope then treats this data differently and
> >Netscape then tries
> >to download the file rather tahn render it.  IE though renders
> >it correctly!
> >
> >Is it just me or does Zope do this sort of thing, that is, make a
> >distinction when a file has 'binary' data in it.
> >
> >Any ideas?
> >
> >TIA
> >
> >Phil
> >phil@philh.org
> >
> >
> >
> >_______________________________________________
> >Zope maillist  -  Zope@zope.org
> >http://www.zope.org/mailman/listinfo/zope
> >
> >(For developer-specific issues, use the companion list,
> >zope-dev@zope.org - http://www.zope.org/mailman/listinfo/zope-dev )
> >
>