Method val

pyquery/pyquery.py:974–1069

Set the attribute value:: >>> d = PyQuery(' ') >>> d.val('Youhou') [ ] Get the attribute value:: >>> d.val() 'Youhou' Set the selected values for a `select` element with the `multiple` attribute::

(self, value=no_default)

    # HTML #
    ########
    def val(self, value=no_default):
        """Set the attribute value::

            >>> d = PyQuery('<input />')
            >>> d.val('Youhou')
            [<input>]

        Get the attribute value::

            >>> d.val()
            'Youhou'

        Set the selected values for a `select` element with the `multiple`
        attribute::

            >>> d = PyQuery(''&#x27;
            ...             <select multiple>
            ...                 <option value="you"><option value="hou">
            ...             </select>
            ...             ''&#x27;)
            >>> d.val(['you', 'hou'])
            [<select>]

        Get the selected values for a `select` element with the `multiple`
        attribute::

            >>> d.val()
            ['you', 'hou']

        """
        def _get_value(tag):
            # <textarea>
            if tag.tag == 'textarea':
                return self._copy(tag).html()
            # <select>
            elif tag.tag == 'select':
                if 'multiple' in tag.attrib:
                    # Only extract value if selected
                    selected = self._copy(tag)('option[selected]')
                    # Rebuild list to avoid serialization error
                    return list(selected.map(
                        lambda _, o: self._copy(o).attr('value')
                    ))
                selected_option = self._copy(tag)('option[selected]:last')
                if selected_option:
                    return selected_option.attr('value')
                else:
                    return self._copy(tag)('option').attr('value')
            # <input type="checkbox"> or <input type="radio">
            elif self.is_(':checkbox,:radio'):
                val = self._copy(tag).attr('value')
                if val is None:
                    return 'on'
                else:
                    return val
            # <input>
            elif tag.tag == 'input':
                val = self._copy(tag).attr('value')