deform: use pypi deform library and add helpers to deform scope directly

to avoid passing it each time form is rendered

pkgs/python-packages.nix

@@ -572,14 +572,13 @@
     };
   };
   deform = super.buildPythonPackage {
-    name = "deform-2.0a3.dev0";
+    name = "deform-2.0a2";
     buildInputs = with self; [];
     doCheck = false;
-    propagatedBuildInputs = with self; [Chameleon colander iso8601 peppercorn translationstring zope.deprecation];
-    src = fetchgit {
-      url = "https://github.com/Pylons/deform";
-      rev = "08fb9de077c76951f6e70e28d4bf060a209d3d39";
-      sha256 = "0nmhajc4pfgp4lbwhs5szqfzswpij1qyr69m7qkyhncl2g2d759r";
+    propagatedBuildInputs = with self; [Chameleon colander peppercorn translationstring zope.deprecation];
+    src = fetchurl {
+      url = "https://pypi.python.org/packages/8d/b3/aab57e81da974a806dc9c5fa024a6404720f890a6dcf2e80885e3cb4609a/deform-2.0a2.tar.gz";
+      md5 = "7a90d41f7fbc18002ce74f39bd90a5e4";
     };
     meta = {
       license = [ { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];

rhodecode/model/forms.py

@@ -42,28 +42,37 @@ for SELECT use formencode.All(OneOf(list), Int())
 """
 
 import deform
-from pkg_resources import resource_filename
-
-deform_templates = resource_filename('deform', 'templates')
-rhodecode_templates = resource_filename('rhodecode', 'templates/forms')
-search_path = (rhodecode_templates, deform_templates)
-
-deform.Form.set_zpt_renderer(search_path)
-
-
 import logging
-
 import formencode
+
+from pkg_resources import resource_filename
 from formencode import All, Pipe
 
 from pylons.i18n.translation import _
 
 from rhodecode import BACKENDS
+from rhodecode.lib import helpers
 from rhodecode.model import validators as v
 
 log = logging.getLogger(__name__)
 
 
+deform_templates = resource_filename('deform', 'templates')
+rhodecode_templates = resource_filename('rhodecode', 'templates/forms')
+search_path = (rhodecode_templates, deform_templates)
+
+
+class RhodecodeFormZPTRendererFactory(deform.ZPTRendererFactory):
+    """ Subclass of ZPTRendererFactory to add rhodecode context variables """
+    def __call__(self, template_name, **kw):
+        kw['h'] = helpers
+        return self.load(template_name)(**kw)
+
+
+form_renderer = RhodecodeFormZPTRendererFactory(search_path)
+deform.Form.set_default_renderer(form_renderer)
+
+
 def LoginForm():
     class _LoginForm(formencode.Schema):
         allow_extra_fields = True

rhodecode/templates/admin/integrations/edit.html

@@ -38,7 +38,6 @@
     </h2>
   </div>
   <div class="panel-body">
-  ## TODO: dan: find way to put h in the deform context properly
-    ${form.render(h=h) | n}
+    ${form.render() | n}
   </div>
 </div>