[Zope] Namespace error in MIME/Sendmail

[Eric Balasbas]

Is there a reason that SendMail and MailSender are DTML Documents? Many
namespace problems are solved by using DTML Methods instead, although I
cannot say for sure that this is the problem here.

Eric Balasbas
Senior Developer
eric@virtosi.com

http://www.virtosi.com/
Virtosi Ltd.
Design -- Branding -- Zope


On Wed, 20 Jun 2001, Dunigan, Craig wrote:

> I hit one of those namespace/acquisition kind of things that let me know I'm
> a long way from achieving the Zope Zen.  I want to give users an icon next
> to a file link that will let them email the file as an attachment.  The
> files will invariably live in a place not in the acquisition path of
> document containing the link.  I pass the file path
> ("docname=/path_to_file/filename") and referring URL ("referrer=URL0") to a
> DTML Document (called "SendMail") that looks like this:
>
> <dtml-var standard_html_header>
> <h2>Mailing the file <dtml-var docname>:</h2>
> <h3>Referred from <dtml-var referrer></h3>
>
> <form method="post" action="MailSender">
> <table border=0 cellpadding=0 cellspacing=0>
> <tr>
> <td width=150>To address:</td><td><input type="text" name="send_to"
> size=25></td>
> </tr><tr>
> <td>From address: </td><td><input type="text" name="send_from" size=25></td>
> </tr><tr>
> <td>Subject:</td><td><input type="text" name="subject" size=25></td>
> </tr></table>
> <p>Your message: <input type="textarea" name="message" wrap="soft" rows="25"
> columns="50"></p>
> <input type="hidden" name="SendDoc" value="<dtml-var docname>">
> <input type="hidden" name="ReferUrl" value="<dtml-var referrer>">
> <input type="submit" value="Send">
> </form>
> <dtml-var standard_html_footer>
>
> MailSender (DMTL Document) looks like this:
>
> <dtml-var standard_html_header>
> <dtml-sendmail mailhost="MailHost">
> To: <dtml-var send_to>
> From: <dtml-var send_from>
> Subject: <dtml-var subject>
> <dtml-mime type=text/plain encode=7bit>
>
> <dtml-var message>
>
> <dtml-boundary type=application/octet-stream disposition=attachment
> encode=base64><dtml-var "REQUEST.resolve_url(SendDoc).read()"></dtml-mime>
> </dtml-sendmail>
> <dtml-call expr="RESPONSE.redirect(ReferURL)">
> <dtml-var standard_html_footer>
>
> The first one works fine, but MailSender dies with a "Different namespace"
> ValueError, and the following traceback:
>
> Traceback (innermost last):
>   File /opt/Zope/ZopeInst/lib/python/ZPublisher/Publish.py, line 223, in
> publish_module
>   File /opt/Zope/ZopeInst/lib/python/ZPublisher/Publish.py, line 187, in
> publish
>   File /opt/Zope/ZopeInst/lib/python/Zope/__init__.py, line 221, in
> zpublisher_exception_hook
>     (Object: CatalogAware)
>   File /opt/Zope/ZopeInst/lib/python/ZPublisher/Publish.py, line 171, in
> publish
>   File /opt/Zope/ZopeInst/lib/python/ZPublisher/mapply.py, line 160, in
> mapply
>     (Object: MailSender)
>   File /opt/Zope/ZopeInst/lib/python/ZPublisher/Publish.py, line 112, in
> call_object
>     (Object: MailSender)
>   File /opt/Zope/ZopeInst/lib/python/OFS/DTMLDocument.py, line 189, in
> __call__
>     (Object: MailSender)
>   File /opt/Zope/ZopeInst/lib/python/DocumentTemplate/DT_String.py, line
> 538, in __call__
>     (Object: MailSender)
>   File /opt/Zope/ZopeInst/lib/python/Products/MailHost/SendMailTag.py, line
> 187, in render
>     (Object: MailHost)
>   File /opt/Zope/ZopeInst/lib/python/Products/MIMETools/MIMETag.py, line
> 229, in render
>   File /opt/Zope/ZopeInst/lib/python/DocumentTemplate/DT_Util.py, line 334,
> in eval
>     (Object: REQUEST.resolve_url(SendDoc).read())
>     (Info: REQUEST)
>   File &lt;string&gt;, line 0, in ?
>   File /opt/Zope/ZopeInst/lib/python/ZPublisher/HTTPRequest.py, line 738, in
> resolve_url
> ValueError: (see above)
>
> If it matters, both SendMail and MailSender live one folder above the root,
> MailHost lives in the root.  What may be more significant is that the link
> to SendMail lives in a DTML Method that lives at the same level as SendMail,
> but is called into a DTML Document that may live anywhere.  The link itself
> looks like this:
> <a href=SendMail?docname=<dtml-var
> "_['sequence-item'][0]">&referrer=<dtml-var "URL0">>
> and seems to pass the path and URL correctly.
>
> Since "SendDoc" came through in the traceback un-rendered, I assume that
> somehow REQUEST.resolve_url can't read that variable, but why?  I also tried
> REQUEST.SendDoc and REQUEST['SendDoc'] with identical results.  I'm probably
> just confusing myself somewhere along the line, but I don't see it and I
> need help!
>
>
> Craig Dunigan
> Web Programmer
> Esker Software - Extending the Reach of Information
> mailto:craig.dunigan@esker.com
> Ph. 608.273.6000
> Fax 608.273.8227
> http://www.esker.com
>
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