On Sunday, January 8, 2017 at 12:04:07 PM UTC-8, Terrence Brannon wrote:
>
> I attempted to simplify creation of the response.menu list of tuples by
> the following function:
>
>
> def menu_item(menu_item_text, url, sub_menu=None, ignore=False):
> # First element of tuple is the text of the meny item.
> retval = list(menu_item_text)
>
> # Second element of the tuple indicates if this menu item is the
> # current active one.
> retval.append(url == URL())
>
> # Third element is the link to follow when this item is selected.
> retval.append(url)
>
> # The fourth item is an optional sub_menu.
> if sub_menu:
> retval.append(sub_menu)
> else:
> retval.append([])
>
> retval.append(ignore)
>
> return retval
>
>
> but when using it like so:
>
> def public_menu():
>
> response.menu += [
> menu_item('How it Works', URL('default', 'how_it_works')),
> menu_item('Testimonials', URL('default', 'testimonials')),
> menu_item('Sign up Now!', URL('default', 'register')),
> menu_item('Login' , URL('default', 'login')),
> ]
>
> if auth.is_logged_in():
> logged_in_menu()
> else:
> public_menu()
>
>
> I get the error:
>
> 127.0.0.1.2017-01-08.19-46-22.ca7178e4-a2b2-48f7-8463-81d2c8f70f27
> <type 'exceptions.ValueError'> need more than 1 value to unpack
>
I think you have to have something for the 4th value; if there is no
submenu, try putting None in that spot.
/dps
> Version
> web2py™ Version 2.14.6-stable+timestamp.2016.05.10.00.21.47 Traceback
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> Traceback (most recent call last):
> File
> "/home/schemelab/domains/org/metaperl/web2py/web2py/gluon/restricted.py",
> line 227, in restricted
> exec ccode in environment
> File
> "/home/schemelab/domains/org/metaperl/web2py/web2py/applications/refbank/views/default/index.html",
> line 59, in <module>
> File "/home/schemelab/domains/org/metaperl/web2py/web2py/gluon/globals.py",
> line 430, in write
> self.body.write(xmlescape(data))
> File "/home/schemelab/domains/org/metaperl/web2py/web2py/gluon/html.py",
> line 131, in xmlescape
> return data.xml()
> File "/home/schemelab/domains/org/metaperl/web2py/web2py/gluon/html.py",
> line 2580, in xml
> return self.serialize(self.data, 0).xml()
> File "/home/schemelab/domains/org/metaperl/web2py/web2py/gluon/html.py",
> line 2545, in serialize
> li.append(self.serialize(item[3], level + 1))
> File "/home/schemelab/domains/org/metaperl/web2py/web2py/gluon/html.py",
> line 2525, in serialize
> (name, active, link) = item[:3]
> ValueError: need more than 1 value to unpack
>
>
>
--
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