try replacing:
return [(c.id, c.name) for c in all_categories]
with
return [(str(c.id) <http://c.id>, c.name) for c in all_categories]
On Wednesday, August 20, 2014 6:32:16 AM UTC+2, Derek Hildreth wrote:
>
> I have a schema defined as:
>
> def get_category_choices():
> all_categories = DBSession.query(Category).all()
> return [(c.id, c.name) for c in all_categories]
>
> categories = get_category_choices()
>
> class ProductForm(colander.Schema):
>
> name = colander.SchemaNode(colander.String(), title = "Name",
> validator=colander.Length(max=80),
> )
>
> description = colander.SchemaNode(colander.String(),
> title="Description",
> validator=colander.Length(max=2000),
>
> widget=deform.widget.TextAreaWidget(rows=10, cols=60),
> )
>
> categories = colander.SchemaNode(
> colander.Set(),
> widget=deform.widget.SelectWidget(
>
> values=categories,
> multiple=True,
>
> ),
> validator=colander.Length(min=1),
> )
>
>
> Here's the code I'm using in Pyramid views.py:
>
> myform = Form(ProductForm(), buttons=('submit',))
> form = myform.render(product.appstruct())
> return {'form': form}
>
>
> My appstruct looks like this:
>
> {'description': 'Product description goes here ', 'categories': [{'id':
> 1L, 'name': 'Category 1'}, {'id':3L, 'name':'Category 2'}], 'id': 1L,
> 'name': 'Product name goes here'}
>
>
> I'd like the form to be rendered with a multiple select box that has
> 'Category 1' and 'Category 2' selected by default, like so:
>
> <select name="categories" id="deformField4" multiple="multiple">
> <option value="1" selected="selected">Category 1</option>
> <option value="2">Category 2</option>
> <option value="3" selected="selected">Category 3</option>
> </select>
>
>
> I can't seem to get this to happen. I have tried to use 'default' (as
> shown deform demo here
> <http://deformdemo.repoze.org/sequence_of_defaulted_selects_with_initial_item/>)
>
> to get at least *one* item to select (for a test), and it doesn't seem to
> do it either. In other words, this:
>
> categories = colander.SchemaNode(
> colander.Set(),
> widget=deform.widget.SelectWidget(
>
> values=categories,
> multiple=True,
>
> default='3',
>
> ),
> validator=colander.Length(min=1),
> )
>
>
> Results in this (notice lack of 'selected' attributes):
>
> <select name="categories" id="deformField4" multiple="multiple">
> <option value="1">Category 1</option>
> <option value="2">Category 2</option>
> <option value="3">Category 3</option>
> </select>
>
>
> I must be missing something simple here. I'd really appreciate any help.
> Thanks in advance.
>
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