Implement the Django 1.3 render() shortcut.

Closes #21.

coffin/shortcuts/__init__.py

@@ -5,7 +5,7 @@
 from django.shortcuts import *
 
 
-__all__ = ('render_to_string', 'render_to_response',)
+__all__ = ('render_to_string', 'render_to_response', 'render')
 
 
 # Is within ``template.loader`` as per Django specification -
@@ -23,3 +23,29 @@ def render_to_response(template_name, dictionary=None, context_instance=None,
     """
     rendered = render_to_string(template_name, dictionary, context_instance)
     return HttpResponse(rendered, mimetype=mimetype)
+
+
+def render(request, *args, **kwargs):
+    """
+    Returns a HttpResponse whose content is filled with the result of calling
+    coffin.template.loader.render_to_string() with the passed arguments.
+    Uses a RequestContext by default.
+    """
+    httpresponse_kwargs = {
+        'content_type': kwargs.pop('content_type', None),
+        'status': kwargs.pop('status', None),
+        }
+
+    if 'context_instance' in kwargs:
+        context_instance = kwargs.pop('context_instance')
+        if kwargs.get('current_app', None):
+            raise ValueError('If you provide a context_instance you must '
+                             'set its current_app before calling render()')
+    else:
+        current_app = kwargs.pop('current_app', None)
+        context_instance = RequestContext(request, current_app=current_app)
+
+    kwargs['context_instance'] = context_instance
+
+    return HttpResponse(render_to_string(*args, **kwargs),
+                        **httpresponse_kwargs)

tests/test_shortcuts.py

@@ -0,0 +1,5 @@
+def test_render():
+    """Test the render shortcut."""
+    from coffin.shortcuts import render
+    response = render(None, 'render-x.html', {'x': 'foo'})
+    assert response.content == 'foo'