Less magical templated view model: make custom template views responsible for

knowing their template's name.

1 files changed, 27 insertions, 0 deletions

diff --git a/repoze/bfg/view.py b/repoze/bfg/view.py
new file mode 100644
index 000000000..07c3d183d
--- /dev/null
+++ b/repoze/bfg/view.py
@@ -0,0 +1,27 @@
+from repoze.bfg.template import render_template
+
+class View(object):
+    """ Convenience base class for user-defined views """
+    def __init__(self, context, request):
+        self.context = context
+        self.request = request
+
+    def __call__(self, **kw):
+        raise NotImplementedError
+
+class TemplateView(View):
+    template = None
+    def __call__(self, **kw):
+        if self.template is None:
+            raise ValueError('a "template" attribute must be attached to '
+                             'a TemplateView')
+        return render_template(self, self.template, **kw)
+
+    def __repr__(self):
+        klass = self.__class__
+        return '<%s.%s object at %s for %s>' % (klass.__module__,
+                                                klass.__mame__,
+                                                id(self),
+                                                self.template)
+
+