add a pyramid aware TemplateEngine

pyramid_formalchemy/__init__.py

@@ -35,9 +35,13 @@ def configure(config, models=None, forms=None, session_factory=None, package=Non
         'fa.session_factory': session_factory,
         })
 
+    prefix = prefix.rstrip('/')
+    if not prefix:
+        prefix = '/'
+
     if use_jquery:
-        config.add_route('fa_admin', '/%s/*traverse' % prefix,
+        config.add_route('fa_admin', '%s/*traverse' % prefix,
                          factory='pyramid_formalchemy.resources.AdminView')
     else:
-        config.add_route('fa_admin', '/%s/*traverse' % prefix,
+        config.add_route('fa_admin', '%s/*traverse' % prefix,
                          factory='pyramid_formalchemy.resources.AdminView')

pyramid_formalchemy/utils.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+from formalchemy.templates import TemplateEngine as BaseTemplateEngine
+from formalchemy import fatypes
+from webhelpers.html import literal
+from pyramid.renderers import render
+
+class TemplateEngine(BaseTemplateEngine):
+    """A template engine aware of pyramid"""
+
+    def __init__(self, *args, **kwargs):
+        """Do nothing. Almost all the mechanism is deleged to pyramid.renderers"""
+
+    def render(self, name=None, renderer=None, template=None, **kwargs):
+        renderer = renderer or template
+        if renderer is None:
+            name = name.strip('/')
+            if not name.endswith('.pt'):
+                name = '%s.pt' % name
+            renderer = 'fa.jquery:templates/forms/%s' % name
+        kwargs.update(dict(
+            fatypes=fatypes,
+        ))
+        return literal(render(renderer, kwargs))
+
+