Synnefo

        required=False, min_value=1

#         max_participants = None if members_unlimited else members_uplimit

#         qd['max_participants']= max_participants.pop(0) if max_participants else None

                widget=forms.HiddenInput(),

                min_value=1

    def policies(self):

        self.clean()

        policies = []

        append = policies.append

        for name, uplimit in self.cleaned_data.iteritems():

            subs = name.split('_uplimit')

            if len(subs) == 2:

                prefix, suffix = subs

                s, r = prefix.split(RESOURCE_SEPARATOR)

                resource = Resource.objects.get(service__name=s, name=r)

                # keep only resource limits for selected resource groups

                if self.cleaned_data.get(

                    'is_selected_%s' % resource.group, True

                ):

                    append(dict(service=s, resource=r, uplimit=uplimit))

        return policies

class AstakosGroupCreationSummaryForm(forms.ModelForm):

    kind = forms.ModelChoiceField(

        queryset=GroupKind.objects.all(),

        label="",

        widget=forms.HiddenInput()

    )

    name = forms.URLField()

    moderation_enabled = forms.BooleanField(

        help_text="Check if you want to approve members participation manually",

        required=False,

        initial=True

    )

    max_participants = forms.IntegerField(

        required=False, min_value=1

    )

    class Meta:

        model = AstakosGroup

    def __init__(self, *args, **kwargs):

        #update QueryDict

        args = list(args)

        qd = args.pop(0).copy()

        members_unlimited = qd.pop('members_unlimited', False)

        members_uplimit = qd.pop('members_uplimit', None)

#         max_participants = None if members_unlimited else members_uplimit

#         qd['max_participants']= max_participants.pop(0) if max_participants else None

        #substitue QueryDict

        args.insert(0, qd)

        super(AstakosGroupCreationSummaryForm, self).__init__(*args, **kwargs)

        self.fields.keyOrder = ['kind', 'name', 'homepage', 'desc',

                                'issue_date', 'expiration_date',

                                'moderation_enabled', 'max_participants']

        def add_fields((k, v)):

            self.fields[k] = forms.IntegerField(

                required=False,

                widget=forms.TextInput(),

                min_value=1

            )

        map(add_fields,

            ((k, v) for k,v in qd.iteritems() if k.endswith('_uplimit'))

        )

        def add_fields((k, v)):

            self.fields[k] = forms.BooleanField(

                required=False,

                widget=forms.HiddenInput()

            )

        map(add_fields,

            ((k, v) for k,v in qd.iteritems() if k.startswith('is_selected_'))

        )

        for f in self.fields.values():

            f.widget = forms.HiddenInput()

        super(AstakosGroupCreationSummaryForm, self).clean()

        for name in tbd:

            self.cleaned_data.pop(name, None)