[Zope] PythonScript question

[Timothy Wilson]

Hi everyone,

I'm using the Photo product to diplay some pictures at various resolutions
and to display them on a certain date. (Some may recall my questions about a
"Picture of the day" recently.) I want to set a 'display_date' property for
each Photo instance and I'd like to do it using a PythonScript. I've created
a form and PythonScript, but I get this error:

Error Type: TypeError
Error Value: argument 1: expected read-only character buffer, instance found

and this traceback:

Traceback (innermost last):
  File /var/lib/zope/2.3.0/lib/python/ZPublisher/Publish.py, line 222, in
publish_module
  File /var/lib/zope/2.3.0/lib/python/ZPublisher/Publish.py, line 187, in
publish
  File /var/lib/zope/2.3.0/lib/python/Zope/__init__.py, line 221, in
zpublisher_exception_hook
    (Object: Traversable)
  File /var/lib/zope/2.3.0/lib/python/ZPublisher/Publish.py, line 171, in
publish
  File /var/lib/zope/2.3.0/lib/python/ZPublisher/mapply.py, line 160, in
mapply
    (Object: POTD_add)
  File /var/lib/zope/2.3.0/lib/python/ZPublisher/Publish.py, line 112, in
call_object
    (Object: POTD_add)
  File /var/lib/zope/2.3.0/lib/python/Shared/DC/Scripts/Bindings.py, line
324, in __call__
    (Object: POTD_add)
  File /var/lib/zope/2.3.0/lib/python/Shared/DC/Scripts/Bindings.py, line
353, in _bindAndExec
    (Object: POTD_add)
  File
/var/lib/zope/2.3.0/lib/python/Products/PythonScripts/PythonScript.py, line
330, in _exec
    (Object: POTD_add)
    (Info: ({'script': <PythonScript instance at 87874d0>,
'context': <Folder instance at 89506c0>, 'container': <Folder instance at
89506c0>, 'traverse_subpath': []}, ('This is a test',
DateTime('2001/01/30'), <ZPublisher.HTTPRequest.FileUpload instance at
869e170>), {}, None))
  File Script (Python), line 8, in POTD_add
TypeError: (see above)

Here's the relevant part of the form:

<form action="POTD_add" method="post" enctype="multipart/form-data">
<table>
<tr>
 <th align="right">Caption</th>
 <td><input type="text" name="title" size="50" value=""></td>
</tr>
<tr>
 <th align="right">Display Date</th>
 <td><input name="display_date:date" size="20" value=""></td>
</tr>
<tr>
 <th align="right">Image</th>
 <td><input type="file" name="file" size="25" value=""></td>
</tr>
<tr>
 <td>&nbsp;</td>
 <td><br><input type="submit" value=" Add POTD "></td>
</tr>
</table>
</form>

And here's my PythonScript 'POTD_add' to which I pass the parameter list 
'title, display_date, and file':

"""
Create a "Picture of the Day" image.
"""
import string

# create a unique object id based on the display date
newID = string.split(display_date, '/')
id = ''
for i in newID:
  id = id + str(i)

# create the image
context.manage_addProduct['OFSP'].manage_addPhoto(id, title=title,
file=file)

# add a display date property
doc = getattr(context, id)
doc.manage_addProperty('display_date', display_date, 'date')

Any ideas?

Wouldn't it would be great if there was a PythonScript repository
somewhere? It would help me a ton.

-Tim

--
Tim Wilson      | Visit Sibley online:         | Check out:
Henry Sibley HS | http://www.isd197.k12.mn.us/ | http://www.zope.org/
W. St. Paul, MN |                              | http://slashdot.org/
wilson@visi.com |   <dtml-var pithy_quote>     | http://linux.com/