1 files changed, 46 insertions, 0 deletions
diff --git a/debug_toolbar/panels/templates/views.py b/debug_toolbar/panels/templates/views.py
new file mode 100644
index 0000000..79479d9
--- /dev/null
+++ b/debug_toolbar/panels/templates/views.py
@@ -0,0 +1,46 @@
+from __future__ import absolute_import, unicode_literals
+
+from django.http import HttpResponseBadRequest
+from django.conf import settings
+from django.shortcuts import render
+from django.template import TemplateDoesNotExist
+from django.template.loader import find_template_loader
+from django.utils.safestring import mark_safe
+
+
+def template_source(request):
+    """
+    Return the source of a template, syntax-highlighted by Pygments if
+    it's available.
+    """
+    template_name = request.GET.get('template', None)
+    if template_name is None:
+        return HttpResponseBadRequest('"template" key is required')
+
+    loaders = []
+    for loader_name in settings.TEMPLATE_LOADERS:
+        loader = find_template_loader(loader_name)
+        if loader is not None:
+            loaders.append(loader)
+    for loader in loaders:
+        try:
+            source, display_name = loader.load_template_source(template_name)
+            break
+        except TemplateDoesNotExist:
+            source = "Template Does Not Exist: %s" % (template_name,)
+
+    try:
+        from pygments import highlight
+        from pygments.lexers import HtmlDjangoLexer
+        from pygments.formatters import HtmlFormatter
+
+        source = highlight(source, HtmlDjangoLexer(), HtmlFormatter())
+        source = mark_safe(source)
+        source.pygmentized = True
+    except ImportError:
+        pass
+
+    return render(request, 'debug_toolbar/panels/template_source.html', {
+        'source': source,
+        'template_name': template_name
+    })