Exemplo n.º 1
0
    def __init__(self, *items):
        """Initialize the vocabulary given a list of terms.

        The vocabulary keeps a reference to the list of terms passed
        in; it should never be modified while the vocabulary is used.

        Also it is possible to initialize vocabulary with sequence of items,
        in this case constructor automatically creates `Term` objects.
        """
        terms = []
        for rec in items:
            if ITerm.providedBy(rec):
                terms.append(rec)
                continue
            if isinstance(rec, string_types):
                rec = (rec, )
            if not hasattr(rec, '__iter__'):
                rec = (rec, )
            if len(rec) == 2:
                terms.append(self.create_term(rec[0], rec[1], rec[1]))
            else:
                terms.append(self.create_term(*rec))

        self.by_value = {}
        self.by_token = {}
        self._terms = terms
        for term in self._terms:
            if term.value in self.by_value:
                raise ValueError('term values must be unique: %s' %
                                 repr(term.value))
            if term.token in self.by_token:
                raise ValueError('term tokens must be unique: %s' %
                                 repr(term.token))
            self.by_value[term.value] = term
            self.by_token[term.token] = term
Exemplo n.º 2
0
    def __init__(self, *items):
        """Initialize the vocabulary given a list of terms.

        The vocabulary keeps a reference to the list of terms passed
        in; it should never be modified while the vocabulary is used.

        Also it is possible to initialize vocabulary with sequence of items,
        in this case constructor automatically creates `Term` objects.
        """
        terms = []
        for rec in items:
            if ITerm.providedBy(rec):
                terms.append(rec)
                continue
            if isinstance(rec, string_types):
                rec = (rec,)
            if not hasattr(rec, '__iter__'):
                rec = (rec,)
            if len(rec) == 2:
                terms.append(self.create_term(rec[0], rec[1], rec[1]))
            else:
                terms.append(self.create_term(*rec))

        self.by_value = {}
        self.by_token = {}
        self._terms = terms
        for term in self._terms:
            if term.value in self.by_value:
                raise ValueError(
                    'term values must be unique: %s' % repr(term.value))
            if term.token in self.by_token:
                raise ValueError(
                    'term tokens must be unique: %s' % repr(term.token))
            self.by_value[term.value] = term
            self.by_token[term.token] = term
Exemplo n.º 3
0
 def update_items(self):
     self.items = []
     for count, term in enumerate(self.vocabulary):
         checked = self.is_checked(term)
         id = '%s-%i' % (self.id, count)
         label = term.token
         desc = None
         if ITerm.providedBy(term):
             label = term.title if term.title is not None else term.token
             desc = term.description
         self.items.append(
             {'id': id, 'name': self.name, 'value': term.token,
              'label': label, 'description': desc, 'checked': checked})
Exemplo n.º 4
0
 def update_items(self):
     self.items = []
     for count, term in enumerate(self.vocabulary):
         checked = self.is_checked(term)
         id = '%s-%i' % (self.id, count)
         label = term.token
         desc = None
         if ITerm.providedBy(term):
             label = term.title if term.title is not None else term.token
             desc = term.description
         self.items.append(
             {'id': id, 'name': self.name, 'value': term.token,
              'label': label, 'description': desc, 'checked': checked})