Python django.forms.util.flatatt() Examples

def label_tag(self, contents=None, attrs=None):
        """
        Wraps the given contents in a <label>, if the field has an ID attribute.
        contents should be 'mark_safe'd to avoid HTML escaping. If contents
        aren't given, uses the field's HTML-escaped label.

        If attrs are given, they're used as HTML attributes on the <label> tag.
        """
        contents = contents or self.label
        widget = self.field.widget
        id_ = widget.attrs.get('id') or self.auto_id
        if id_:
            attrs = attrs and flatatt(attrs) or ''
            contents = format_html('<label for="{0}"{1}>{2}</label>',
                                   widget.id_for_label(id_), attrs, contents
                                   )
        else:
            contents = conditional_escape(contents)
        return mark_safe(contents) 

def attributes(self):
        """
        Returns a dictionary of initial state data for sorting, sort direction, and visibility.

        The default attributes include ``data-config-sortable``, ``data-config-visible``, and (if
        applicable) ``data-config-sorting`` to hold information about the initial sorting state.
        """
        attributes = {
            'data-config-sortable': 'true' if self.sortable else 'false',
            'data-config-visible': 'true' if self.visible else 'false',
        }

        if self.sort_priority is not None:
            attributes['data-config-sorting'] = ','.join(map(six.text_type, [
                self.sort_priority,
                self.index,
                self.sort_direction,
            ]))

        return flatatt(attributes) 

def render(self, name, value, renderer=None, attrs=None):
        """
        renderer: django2.1 新增加的参数，此处不做应用，赋值None做兼容处理
        """
        if value is None:
            value = ''

        final_attrs = self.build_attrs(self.attrs, attrs, name=name)
        return mark_safe(render_to_string('markdown.html', {
            'final_attrs': flatatt(final_attrs),
            'value': conditional_escape(force_text(value)),
            'id': final_attrs['id'],
            'config': self.config,
        })) 

def render(self, name, value, attrs={}):
        """Render the Quill WYSIWYG."""
        if value is None:
            value = ''
        final_attrs = self.build_attrs(attrs, name=name)
        quill_app = apps.get_app_config('quill')
        quill_config = getattr(quill_app, self.config)

        return mark_safe(render_to_string(quill_config['template'], {
            'final_attrs': flatatt(final_attrs),
            'value': value,
            'id': final_attrs['id'],
            'config': self.config,
        })) 

def render(self, name, value, attrs=None):
        if value is None:
            value = ''
        final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
        if value != '':
            # Only add the 'value' attribute if a value is non-empty.
            final_attrs['value'] = force_text(self._format_value(value))
        return format_html('<input{0} />', flatatt(final_attrs)) 

def render(self, name, value, attrs=None, choices=()):
        if value is None: value = []
        final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
        id_ = final_attrs.get('id', None)
        inputs = []
        for i, v in enumerate(value):
            input_attrs = dict(value=force_text(v), **final_attrs)
            if id_:
                # An ID attribute was given. Add a numeric index as a suffix
                # so that the inputs don't all have the same ID attribute.
                input_attrs['id'] = '%s_%s' % (id_, i)
            inputs.append(format_html('<input{0} />', flatatt(input_attrs)))
        return mark_safe('\n'.join(inputs)) 

def render(self, name, value, attrs=None):
        if value is None: value = ''
        final_attrs = self.build_attrs(attrs, name=name)
        return format_html('<textarea{0}>\r\n{1}</textarea>',
                           flatatt(final_attrs),
                           force_text(value)) 

def render(self, name, value, attrs=None):
        final_attrs = self.build_attrs(attrs, type='checkbox', name=name)
        if self.check_test(value):
            final_attrs['checked'] = 'checked'
        if not (value is True or value is False or value is None or value == ''):
            # Only add the 'value' attribute if a value is non-empty.
            final_attrs['value'] = force_text(value)
        return format_html('<input{0} />', flatatt(final_attrs)) 

def render(self, name, value, attrs=None, choices=()):
        if value is None: value = ''
        final_attrs = self.build_attrs(attrs, name=name)
        output = [format_html('<select{0}>', flatatt(final_attrs))]
        options = self.render_options(choices, [value])
        if options:
            output.append(options)
        output.append('</select>')
        return mark_safe('\n'.join(output)) 

def tag(self):
        if 'id' in self.attrs:
            self.attrs['id'] = '%s_%s' % (self.attrs['id'], self.index)
        final_attrs = dict(self.attrs, type='radio', name=self.name, value=self.choice_value)
        if self.is_checked():
            final_attrs['checked'] = 'checked'
        return format_html('<input{0} />', flatatt(final_attrs)) 

def render(self, name, values, attrs=None):
        final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
        output = "<span id='%s'>%s</span>%s" %\
            ("id_%s_label" % name,
             "internal-db://",
             ('<input%s />' % util.flatatt(final_attrs)))
        return mark_safe(output)