ok one more improvement but then it works perfectly
if theset and len(theset[0])==2 and (isinstance(theset[0], list) or
isinstance(theset[0], tuple)):
should be
if theset and (isinstance(theset[0], list) or isinstance(theset[0],
tuple)) and len(theset[0])==2:
On Jan 27, 2:25 am, selecta <gr...@delarue-berlin.de> wrote:
> sry just realized that mr web2py himself is called massimo, I should
> really go and sleep now
>
> On Jan 27, 2:20 am, selecta <gr...@delarue-berlin.de> wrote:
>
>
>
> > IGNORE THE POST ABOVE
> > NOW TRULY SOLVED
>
> > The problem with the post above was that the validator was not order
> > preserving, I added some lines to the IS_IN_SET constructor, not it
> > truly works
>
> > ....
> > >>> IS_IN_SET([('a','max'), ('b','john')])('max')
> > ('a', None)
> > """
>
> > def __init__(
> > self,
> > theset,
> > labels=None,
> > error_message='value not allowed',
> > multiple=False,
> > zero='',
> > sort=False,
> > ):
> > self.multiple = multiple
> > self.labels = labels
> > if theset and len(theset[0])==2 and (isinstance(theset[0],
> > list) or isinstance(theset[0], tuple)):
> > self.theset = [str(item) for item,label in theset]
> > self.labels = [str(label) for item,label in theset]
> > else:
> > self.theset = [str(item) for item in theset]
> > if isinstance(theset, dict):
> > self.labels = theset.values()
> > self.error_message = error_message
> > self.zero = zero
> > self.sort = sort
> > ....
> > contrutor ends there
>
> > maximo if you could add this code to the trunk it would be very nice
>
> > On Jan 27, 12:07 am, selecta <gr...@delarue-berlin.de> wrote:
>
> > > SOLVED
>
> > > i thought i have to write my own validator, looking into IS_IN_SET i
> > > stumbeled upon the following code in the first few lines
>
> > > if isinstance(theset, dict):
> > > self.labels = theset.values()
>
> > > hmmm, lets try
>
> > > folders = dict(folders)
> > > db_webfolder.parent.requires = IS_IN_SET(folders)
> > > form_file = SQLFORM(db_webfolder)
>
> > > and it works!!!
>
> > > maybe this should be documented somewhere, e.g. in the docstring of
> > > IS_IN_SET! would make it at least a bit easier to find out
>
> > > On Jan 26, 11:23 pm, selecta <gr...@delarue-berlin.de> wrote:
>
> > > > oh it can ?:) sounds good, but still it solves only part of my
> > > > problem, I also want to change what is shown to the user in option, I
> > > > better show you what I want to do
>
> > > > def getfolders(root = 0, spaces = '-'):
> > > > folders = []
> > > > for f in db(db_webfolder.id>0)(db_webfolder.parent==root)
> > > > (db_webfolder.file==None).select():
> > > > folders.append((f.id,spaces+f.name))
> > > > folders += getfolders(f.id, '-'+spaces)
> > > > return folders
>
> > > > folders = [(0,'root')]+getfolders()
> > > > form_folder = FORM(SELECT([OPTION(name,_value=id) for id,name in
> > > > folders],_name='parent'),INPUT(_name='name'),INPUT
> > > > (_type='submit',_value="create"))
>
> > > > it should return something like
> > > > <select name="parent">
> > > > <option value="0">root</option>
> > > > <option value="1">-test</option>
> > > > <option value="5">--subfolder of test</option>
> > > > <option value="6">--another sub of test</option>
> > > > <option value="7">--another one</option>
> > > > <option value="2">-another folder</option>
> > > > <option value="3">-yet another</option>
> > > > <option value="4">-okok</option>
> > > > <option value="8">--tesing still</option>
> > > > </select>
>
> > > > On Jan 26, 10:59 pm, Thadeus Burgess <thade...@thadeusb.com> wrote:
>
> > > > > IS_IN_DB can use a query can't it?
>
> > > > > -Thadeus
>
> > > > > On Tue, Jan 26, 2010 at 3:46 PM, selecta <gr...@delarue-berlin.de>
> > > > > wrote:
> > > > > > Is there a validator that creates a select with options from a list
> > > > > > of
> > > > > > tuples
>
> > > > > > what I want do do is
> > > > > > Field("folder","integer",requires =
> > > > > > IS_IN_TUPLELIST([('myfolder',12),
> > > > > > ('subfoler',23)]))
>
> > > > > > so that is creates
> > > > > > SELECT([OPTION(name,_value=id) for name,id in [('myfolder',12),
> > > > > > ('subfoler',23)] ],_name='parent'),INPUT(_name='name')
>
> > > > > > in this case I cannot use IS_IN_DB because i need to filter the
> > > > > > results from the table
>
> > > > > > --
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