asd

venv/lib/python3.12/site-packages/flask_bootstrap/nav.py

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+from hashlib import sha1
+from dominate import tags
+from visitor import Visitor
+
+
+class BootstrapRenderer(Visitor):
+    def __init__(self, html5=True, id=None):
+        self.html5 = html5
+        self._in_dropdown = False
+        self.id = id
+
+    def visit_Navbar(self, node):
+        # create a navbar id that is somewhat fixed, but do not leak any
+        # information about memory contents to the outside
+        node_id = self.id or sha1(str(id(node)).encode()).hexdigest()
+
+        root = tags.nav() if self.html5 else tags.div(role='navigation')
+        root['class'] = 'navbar navbar-default'
+
+        cont = root.add(tags.div(_class='container-fluid'))
+
+        # collapse button
+        header = cont.add(tags.div(_class='navbar-header'))
+        btn = header.add(tags.button())
+        btn['type'] = 'button'
+        btn['class'] = 'navbar-toggle collapsed'
+        btn['data-toggle'] = 'collapse'
+        btn['data-target'] = '#' + node_id
+        btn['aria-expanded'] = 'false'
+        btn['aria-controls'] = 'navbar'
+
+        btn.add(tags.span('Toggle navigation', _class='sr-only'))
+        btn.add(tags.span(_class='icon-bar'))
+        btn.add(tags.span(_class='icon-bar'))
+        btn.add(tags.span(_class='icon-bar'))
+
+        # title may also have a 'get_url()' method, in which case we render
+        # a brand-link
+        if node.title is not None:
+            if hasattr(node.title, 'get_url'):
+                header.add(tags.a(node.title.text, _class='navbar-brand',
+                                  href=node.title.get_url()))
+            else:
+                header.add(tags.span(node.title, _class='navbar-brand'))
+
+        bar = cont.add(tags.div(
+            _class='navbar-collapse collapse',
+            id=node_id,
+        ))
+        bar_list = bar.add(tags.ul(_class='nav navbar-nav'))
+
+        for item in node.items:
+            bar_list.add(self.visit(item))
+
+        return root
+
+    def visit_Text(self, node):
+        if not self._in_dropdown:
+            return tags.p(node.text, _class='navbar-text')
+        return tags.li(node.text, _class='dropdown-header')
+
+    def visit_Link(self, node):
+        item = tags.li()
+        item.add(tags.a(node.text, href=node.get_url()))
+
+        return item
+
+    def visit_Separator(self, node):
+        if not self._in_dropdown:
+            raise RuntimeError('Cannot render separator outside Subgroup.')
+        return tags.li(role='separator', _class='divider')
+
+    def visit_Subgroup(self, node):
+        if not self._in_dropdown:
+            li = tags.li(_class='dropdown')
+            if node.active:
+                li['class'] = 'active'
+            a = li.add(tags.a(node.title, href='#', _class='dropdown-toggle'))
+            a['data-toggle'] = 'dropdown'
+            a['role'] = 'button'
+            a['aria-haspopup'] = 'true'
+            a['aria-expanded'] = 'false'
+            a.add(tags.span(_class='caret'))
+
+            ul = li.add(tags.ul(_class='dropdown-menu'))
+
+            self._in_dropdown = True
+            for item in node.items:
+                ul.add(self.visit(item))
+            self._in_dropdown = False
+
+            return li
+        else:
+            raise RuntimeError('Cannot render nested Subgroups')
+
+    def visit_View(self, node):
+        item = tags.li()
+        item.add(tags.a(node.text, href=node.get_url(), title=node.text))
+        if node.active:
+            item['class'] = 'active'
+
+        return item