mirror of https://github.com/django/django.git
Fixed #35143 -- Improved accessibility of 404/500 debug pages.
This: - changes the header, main, and footer content areas to be rendered in a <header>, <main>, and <footer> tags, - adds scope attributes to <th>, - uses <code> for a patterns list, - uses <small> instead of <span>.
This commit is contained in:
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1
AUTHORS
1
AUTHORS
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@ -638,6 +638,7 @@ answer newbie questions, and generally made Django that much better:
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Marc Tamlyn <marc.tamlyn@gmail.com>
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Marc-Aurèle Brothier <ma.brothier@gmail.com>
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Marian Andre <django@andre.sk>
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Marijke Luttekes <mail@marijkeluttekes.dev>
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Marijn Vriens <marijn@metronomo.cl>
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Mario Gonzalez <gonzalemario@gmail.com>
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Mariusz Felisiak <felisiak.mariusz@gmail.com>
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@ -9,9 +9,9 @@
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body * { padding:10px 20px; }
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body * * { padding:0; }
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body { font:small sans-serif; background:#eee; color:#000; }
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body>div { border-bottom:1px solid #ddd; }
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body > :where(header, main, footer) { border-bottom:1px solid #ddd; }
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h1 { font-weight:normal; margin-bottom:.4em; }
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h1 span { font-size:60%; color:#666; font-weight:normal; }
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h1 small { font-size:60%; color:#666; font-weight:normal; }
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table { border:none; border-collapse: collapse; width:100%; }
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td, th { vertical-align:top; padding:2px 3px; }
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th { width:12em; text-align:right; color:#666; padding-right:.5em; }
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@ -24,27 +24,28 @@
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</style>
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</head>
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<body>
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<div id="summary">
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<h1>Page not found <span>(404)</span></h1>
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<header id="summary">
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<h1>Page not found <small>(404)</small></h1>
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{% if reason and resolved %}<pre class="exception_value">{{ reason }}</pre>{% endif %}
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<table class="meta">
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<tr>
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<th>Request Method:</th>
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<th scope="row">Request Method:</th>
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<td>{{ request.META.REQUEST_METHOD }}</td>
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</tr>
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<tr>
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<th>Request URL:</th>
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<th scope="row">Request URL:</th>
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<td>{{ request.build_absolute_uri }}</td>
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</tr>
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{% if raising_view_name %}
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<tr>
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<th>Raised by:</th>
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<th scope="row">Raised by:</th>
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<td>{{ raising_view_name }}</td>
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</tr>
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{% endif %}
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</table>
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</div>
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<div id="info">
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</header>
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<main id="info">
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{% if urlpatterns %}
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<p>
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Using the URLconf defined in <code>{{ urlconf }}</code>,
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@ -54,8 +55,10 @@
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{% for pattern in urlpatterns %}
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<li>
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{% for pat in pattern %}
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<code>
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{{ pat.pattern }}
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{% if forloop.last and pat.name %}[name='{{ pat.name }}']{% endif %}
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</code>
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{% endfor %}
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</li>
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{% endfor %}
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@ -69,14 +72,14 @@
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{% if resolved %}matched the last one.{% else %}didn’t match any of these.{% endif %}
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</p>
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{% endif %}
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</div>
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</main>
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<div id="explanation">
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<footer id="explanation">
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<p>
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You’re seeing this error because you have <code>DEBUG = True</code> in
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your Django settings file. Change that to <code>False</code>, and Django
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will display a standard 404 page.
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</p>
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</div>
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</footer>
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</body>
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</html>
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@ -10,7 +10,7 @@
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body * { padding:10px 20px; }
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body * * { padding:0; }
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body { font:small sans-serif; background-color:#fff; color:#000; }
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body>div { border-bottom:1px solid #ddd; }
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body > :where(header, main, footer) { border-bottom:1px solid #ddd; }
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h1 { font-weight:normal; }
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h2 { margin-bottom:.8em; }
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h3 { margin:1em 0 .5em 0; }
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@ -47,6 +47,8 @@
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.user div.commands a { color: black; }
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#summary { background: #ffc; }
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#summary h2 { font-weight: normal; color: #666; }
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#info { padding: 0; }
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#info > * { padding:10px 20px; }
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#explanation { background:#eee; }
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#template, #template-not-exist { background:#f6f6f6; }
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#template-not-exist ul { margin: 0 0 10px 20px; }
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@ -97,67 +99,69 @@
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{% endif %}
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</head>
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<body>
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<div id="summary">
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<header id="summary">
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<h1>{% if exception_type %}{{ exception_type }}{% else %}Report{% endif %}
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{% if request %} at {{ request.path_info }}{% endif %}</h1>
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<pre class="exception_value">{% if exception_value %}{{ exception_value|force_escape }}{% if exception_notes %}{{ exception_notes }}{% endif %}{% else %}No exception message supplied{% endif %}</pre>
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<table class="meta">
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{% if request %}
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<tr>
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<th>Request Method:</th>
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<th scope="row">Request Method:</th>
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<td>{{ request.META.REQUEST_METHOD }}</td>
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</tr>
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<tr>
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<th>Request URL:</th>
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<th scope="row">Request URL:</th>
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<td>{{ request_insecure_uri }}</td>
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</tr>
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{% endif %}
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<tr>
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<th>Django Version:</th>
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<th scope="row">Django Version:</th>
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<td>{{ django_version_info }}</td>
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</tr>
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{% if exception_type %}
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<tr>
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<th>Exception Type:</th>
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<th scope="row">Exception Type:</th>
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<td>{{ exception_type }}</td>
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</tr>
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{% endif %}
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{% if exception_type and exception_value %}
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<tr>
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<th>Exception Value:</th>
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<th scope="row">Exception Value:</th>
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<td><pre>{{ exception_value|force_escape }}</pre></td>
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</tr>
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{% endif %}
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{% if lastframe %}
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<tr>
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<th>Exception Location:</th>
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<th scope="row">Exception Location:</th>
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<td><span class="fname">{{ lastframe.filename }}</span>, line {{ lastframe.lineno }}, in {{ lastframe.function }}</td>
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</tr>
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{% endif %}
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{% if raising_view_name %}
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<tr>
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<th>Raised during:</th>
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<th scope="row">Raised during:</th>
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<td>{{ raising_view_name }}</td>
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</tr>
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{% endif %}
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<tr>
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<th>Python Executable:</th>
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<th scope="row">Python Executable:</th>
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<td>{{ sys_executable }}</td>
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</tr>
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<tr>
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<th>Python Version:</th>
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<th scope="row">Python Version:</th>
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<td>{{ sys_version_info }}</td>
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</tr>
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<tr>
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<th>Python Path:</th>
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<td><pre>{{ sys_path|pprint }}</pre></td>
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<th scope="row">Python Path:</th>
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<td><pre><code>{{ sys_path|pprint }}</code></pre></td>
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</tr>
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<tr>
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<th>Server time:</th>
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<th scope="row">Server time:</th>
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<td>{{server_time|date:"r"}}</td>
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</tr>
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</table>
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</div>
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</header>
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<main id="info">
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{% if unicode_hint %}
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<div id="unicode-hint">
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<h2>Unicode error hint</h2>
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@ -195,11 +199,11 @@
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{% if template_info.bottom != template_info.total %} cut-bottom{% endif %}">
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{% for source_line in template_info.source_lines %}
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{% if source_line.0 == template_info.line %}
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<tr class="error"><th>{{ source_line.0 }}</th>
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<tr class="error"><th scope="row">{{ source_line.0 }}</th>
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<td>{{ template_info.before }}<span class="specific">{{ template_info.during }}</span>{{ template_info.after }}</td>
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</tr>
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{% else %}
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<tr><th>{{ source_line.0 }}</th>
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<tr><th scope="row">{{ source_line.0 }}</th>
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<td>{{ source_line.1 }}</td></tr>
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{% endif %}
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{% endfor %}
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@ -266,8 +270,8 @@
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<table class="vars" id="v{{ frame.id }}">
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<thead>
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<tr>
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<th>Variable</th>
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<th>Value</th>
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<th scope="col">Variable</th>
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<th scope="col">Value</th>
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</tr>
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</thead>
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<tbody>
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@ -354,8 +358,8 @@ Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ ex
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<table class="req">
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<thead>
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<tr>
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<th>Variable</th>
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<th>Value</th>
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<th scope="col">Variable</th>
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<th scope="col">Value</th>
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</tr>
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</thead>
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<tbody>
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@ -376,8 +380,8 @@ Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ ex
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<table class="req">
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<thead>
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<tr>
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<th>Variable</th>
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<th>Value</th>
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<th scope="col">Variable</th>
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<th scope="col">Value</th>
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</tr>
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</thead>
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<tbody>
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@ -398,8 +402,8 @@ Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ ex
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<table class="req">
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<thead>
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<tr>
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<th>Variable</th>
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<th>Value</th>
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<th scope="col">Variable</th>
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<th scope="col">Value</th>
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</tr>
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</thead>
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<tbody>
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@ -420,8 +424,8 @@ Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ ex
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<table class="req">
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<thead>
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<tr>
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<th>Variable</th>
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<th>Value</th>
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<th scope="col">Variable</th>
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<th scope="col">Value</th>
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</tr>
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</thead>
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<tbody>
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@ -441,8 +445,8 @@ Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ ex
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<table class="req">
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<thead>
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<tr>
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<th>Variable</th>
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<th>Value</th>
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<th scope="col">Variable</th>
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<th scope="col">Value</th>
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</tr>
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</thead>
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<tbody>
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@ -463,8 +467,8 @@ Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ ex
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<table class="req">
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<thead>
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<tr>
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<th>Setting</th>
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<th>Value</th>
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<th scope="col">Setting</th>
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<th scope="col">Value</th>
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</tr>
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</thead>
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<tbody>
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@ -478,14 +482,16 @@ Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ ex
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</table>
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</div>
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</main>
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{% if not is_email %}
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<div id="explanation">
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<footer id="explanation">
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<p>
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You’re seeing this error because you have <code>DEBUG = True</code> in your
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Django settings file. Change that to <code>False</code>, and Django will
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display a standard page generated by the handler for this status code.
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</p>
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</div>
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</footer>
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{% endif %}
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</body>
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</html>
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@ -156,7 +156,8 @@ Email
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Error Reporting
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~~~~~~~~~~~~~~~
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* ...
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* In order to improve accessibility, the technical 404 and 500 error pages now
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use HTML landmark elements for the header, footer, and main content areas.
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File Storage
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~~~~~~~~~~~~
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@ -176,6 +176,12 @@ class DebugViewTests(SimpleTestCase):
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self.assertContains(
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response, "Django tried these URL patterns", status_code=404
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)
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self.assertContains(
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response,
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"<code>technical404/ [name='my404']</code>",
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status_code=404,
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html=True,
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)
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self.assertContains(
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response,
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"<p>The current path, <code>not-in-urls</code>, didn’t match any "
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@ -204,6 +210,9 @@ class DebugViewTests(SimpleTestCase):
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def test_technical_404(self):
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response = self.client.get("/technical404/")
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self.assertContains(response, '<header id="summary">', status_code=404)
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self.assertContains(response, '<main id="info">', status_code=404)
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self.assertContains(response, '<footer id="explanation">', status_code=404)
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self.assertContains(
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response,
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'<pre class="exception_value">Testing technical 404.</pre>',
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@ -228,7 +237,7 @@ class DebugViewTests(SimpleTestCase):
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response = self.client.get("/classbased404/")
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self.assertContains(
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response,
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"<th>Raised by:</th><td>view_tests.views.Http404View</td>",
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'<th scope="row">Raised by:</th><td>view_tests.views.Http404View</td>',
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status_code=404,
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html=True,
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)
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@ -236,9 +245,12 @@ class DebugViewTests(SimpleTestCase):
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def test_technical_500(self):
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with self.assertLogs("django.request", "ERROR"):
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response = self.client.get("/raises500/")
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self.assertContains(response, '<header id="summary">', status_code=500)
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self.assertContains(response, '<main id="info">', status_code=500)
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self.assertContains(response, '<footer id="explanation">', status_code=500)
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self.assertContains(
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response,
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"<th>Raised during:</th><td>view_tests.views.raises500</td>",
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'<th scope="row">Raised during:</th><td>view_tests.views.raises500</td>',
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status_code=500,
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html=True,
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)
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@ -255,7 +267,8 @@ class DebugViewTests(SimpleTestCase):
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response = self.client.get("/classbased500/")
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self.assertContains(
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response,
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"<th>Raised during:</th><td>view_tests.views.Raises500View</td>",
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'<th scope="row">Raised during:</th>'
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"<td>view_tests.views.Raises500View</td>",
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status_code=500,
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html=True,
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)
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@ -397,7 +410,7 @@ class DebugViewTests(SimpleTestCase):
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"""
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response = self.client.get("/")
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self.assertContains(
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response, "Page not found <span>(404)</span>", status_code=404
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response, "Page not found <small>(404)</small>", status_code=404
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)
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def test_template_encoding(self):
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@ -531,12 +544,12 @@ class ExceptionReporterTests(SimpleTestCase):
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self.assertIn(
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'<pre class="exception_value">Can't find my keys</pre>', html
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)
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self.assertIn("<th>Request Method:</th>", html)
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self.assertIn("<th>Request URL:</th>", html)
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self.assertIn('<th scope="row">Request Method:</th>', html)
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self.assertIn('<th scope="row">Request URL:</th>', html)
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self.assertIn('<h3 id="user-info">USER</h3>', html)
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self.assertIn("<p>jacob</p>", html)
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self.assertIn("<th>Exception Type:</th>", html)
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self.assertIn("<th>Exception Value:</th>", html)
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self.assertIn('<th scope="row">Exception Type:</th>', html)
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self.assertIn('<th scope="row">Exception Value:</th>', html)
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self.assertIn("<h2>Traceback ", html)
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self.assertIn("<h2>Request information</h2>", html)
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self.assertNotIn("<p>Request data not supplied</p>", html)
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|
@ -554,11 +567,11 @@ class ExceptionReporterTests(SimpleTestCase):
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self.assertIn(
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'<pre class="exception_value">Can't find my keys</pre>', html
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)
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self.assertNotIn("<th>Request Method:</th>", html)
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self.assertNotIn("<th>Request URL:</th>", html)
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self.assertNotIn('<th scope="row">Request Method:</th>', html)
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self.assertNotIn('<th scope="row">Request URL:</th>', html)
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self.assertNotIn('<h3 id="user-info">USER</h3>', html)
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self.assertIn("<th>Exception Type:</th>", html)
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self.assertIn("<th>Exception Value:</th>", html)
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self.assertIn('<th scope="row">Exception Type:</th>', html)
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self.assertIn('<th scope="row">Exception Value:</th>', html)
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self.assertIn("<h2>Traceback ", html)
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self.assertIn("<h2>Request information</h2>", html)
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self.assertIn("<p>Request data not supplied</p>", html)
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|
@ -603,10 +616,10 @@ class ExceptionReporterTests(SimpleTestCase):
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self.assertIn(
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'<pre class="exception_value">No exception message supplied</pre>', html
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)
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self.assertIn("<th>Request Method:</th>", html)
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self.assertIn("<th>Request URL:</th>", html)
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self.assertNotIn("<th>Exception Type:</th>", html)
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self.assertNotIn("<th>Exception Value:</th>", html)
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self.assertIn('<th scope="row">Request Method:</th>', html)
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self.assertIn('<th scope="row">Request URL:</th>', html)
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self.assertNotIn('<th scope="row">Exception Type:</th>', html)
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self.assertNotIn('<th scope="row">Exception Value:</th>', html)
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self.assertNotIn("<h2>Traceback ", html)
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self.assertIn("<h2>Request information</h2>", html)
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self.assertNotIn("<p>Request data not supplied</p>", html)
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|
@ -626,8 +639,8 @@ class ExceptionReporterTests(SimpleTestCase):
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self.assertIn(
|
||||
'<pre class="exception_value">Can't find my keys</pre>', html
|
||||
)
|
||||
self.assertIn("<th>Exception Type:</th>", html)
|
||||
self.assertIn("<th>Exception Value:</th>", html)
|
||||
self.assertIn('<th scope="row">Exception Type:</th>', html)
|
||||
self.assertIn('<th scope="row">Exception Value:</th>', html)
|
||||
self.assertIn("<h2>Traceback ", html)
|
||||
self.assertIn("<h2>Request information</h2>", html)
|
||||
self.assertIn("<p>Request data not supplied</p>", html)
|
||||
|
@ -650,8 +663,8 @@ class ExceptionReporterTests(SimpleTestCase):
|
|||
html = reporter.get_traceback_html()
|
||||
self.assertInHTML("<h1>RuntimeError</h1>", html)
|
||||
self.assertIn('<pre class="exception_value">Oops</pre>', html)
|
||||
self.assertIn("<th>Exception Type:</th>", html)
|
||||
self.assertIn("<th>Exception Value:</th>", html)
|
||||
self.assertIn('<th scope="row">Exception Type:</th>', html)
|
||||
self.assertIn('<th scope="row">Exception Value:</th>', html)
|
||||
self.assertIn("<h2>Traceback ", html)
|
||||
self.assertIn("<h2>Request information</h2>", html)
|
||||
self.assertIn("<p>Request data not supplied</p>", html)
|
||||
|
@ -721,8 +734,8 @@ class ExceptionReporterTests(SimpleTestCase):
|
|||
html = reporter.get_traceback_html()
|
||||
self.assertInHTML("<h1>RuntimeError</h1>", html)
|
||||
self.assertIn('<pre class="exception_value">Oops</pre>', html)
|
||||
self.assertIn("<th>Exception Type:</th>", html)
|
||||
self.assertIn("<th>Exception Value:</th>", html)
|
||||
self.assertIn('<th scope="row">Exception Type:</th>', html)
|
||||
self.assertIn('<th scope="row">Exception Value:</th>', html)
|
||||
self.assertIn("<h2>Traceback ", html)
|
||||
self.assertInHTML('<li class="frame user">Traceback: None</li>', html)
|
||||
self.assertIn(
|
||||
|
@ -981,10 +994,10 @@ class ExceptionReporterTests(SimpleTestCase):
|
|||
self.assertIn(
|
||||
'<pre class="exception_value">I'm a little teapot</pre>', html
|
||||
)
|
||||
self.assertIn("<th>Request Method:</th>", html)
|
||||
self.assertIn("<th>Request URL:</th>", html)
|
||||
self.assertNotIn("<th>Exception Type:</th>", html)
|
||||
self.assertNotIn("<th>Exception Value:</th>", html)
|
||||
self.assertIn('<th scope="row">Request Method:</th>', html)
|
||||
self.assertIn('<th scope="row">Request URL:</th>', html)
|
||||
self.assertNotIn('<th scope="row">Exception Type:</th>', html)
|
||||
self.assertNotIn('<th scope="row">Exception Value:</th>', html)
|
||||
self.assertIn("<h2>Traceback ", html)
|
||||
self.assertIn("<h2>Request information</h2>", html)
|
||||
self.assertNotIn("<p>Request data not supplied</p>", html)
|
||||
|
@ -996,10 +1009,10 @@ class ExceptionReporterTests(SimpleTestCase):
|
|||
self.assertIn(
|
||||
'<pre class="exception_value">I'm a little teapot</pre>', html
|
||||
)
|
||||
self.assertNotIn("<th>Request Method:</th>", html)
|
||||
self.assertNotIn("<th>Request URL:</th>", html)
|
||||
self.assertNotIn("<th>Exception Type:</th>", html)
|
||||
self.assertNotIn("<th>Exception Value:</th>", html)
|
||||
self.assertNotIn('<th scope="row">Request Method:</th>', html)
|
||||
self.assertNotIn('<th scope="row">Request URL:</th>', html)
|
||||
self.assertNotIn('<th scope="row">Exception Type:</th>', html)
|
||||
self.assertNotIn('<th scope="row">Exception Value:</th>', html)
|
||||
self.assertIn("<h2>Traceback ", html)
|
||||
self.assertIn("<h2>Request information</h2>", html)
|
||||
self.assertIn("<p>Request data not supplied</p>", html)
|
||||
|
|
Loading…
Reference in New Issue