Method value_from_datadict

django/forms/widgets.py:367–372

Given a dictionary of data and this widget's name, return the value of this widget or None if it's not provided.

(self, data, files, name)

        return {**base_attrs, **(extra_attrs or {})}

    def value_from_datadict(self, data, files, name):
        """
        Given a dictionary of data and this widget's name, return the value
        of this widget or None if it's not provided.
        """
        return data.get(name)

    def value_omitted_from_data(self, data, files, name):
        return name not in data