- setup as class property

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44194 20353a03-c40f-0410-a6d1-a30d3c3de9de

slapos/recipe/erp5/src/slapos/recipe/erp5/__init__.py

@@ -47,8 +47,9 @@ class Recipe(BaseSlapRecipe):
     return pkg_resources.resource_filename(__name__,
         'template/%s' % template_name)
 
+  site_id = 'erp5'
+
   def _install(self):
-    self.site_id = 'erp5'
     self.path_list = []
     self.requirements, self.ws = self.egg.working_set([__name__])
     ca_conf = self.installCertificateAuthority()