add example for #108 issue

sacrud · Dec 2, 2015 · d3ee0c9 · d3ee0c9
1 parent 381ecc7
commit d3ee0c9
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Showing 3 changed files with 24 additions and 5 deletions.
diff --git a/example/pyramid_sacrud_example.py b/example/pyramid_sacrud_example.py
@@ -1,6 +1,6 @@
-from sqlalchemy import Column, String, Boolean, Integer, ForeignKey
+from sqlalchemy import Column, String, Boolean, Integer, Unicode, ForeignKey
 from pyramid.config import Configurator
-from sqlalchemy.orm import relationship, sessionmaker, scoped_session
+from sqlalchemy.orm import backref, relationship, sessionmaker, scoped_session
 from pyramid.session import SignedCookieSessionFactory
 from pyramid.security import Allow, forget, remember
 from pyramid.authorization import ACLAuthorizationPolicy
@@ -46,11 +46,29 @@ def __repr__(self):
         return self.name
 
 
+class Parent(Base):
+    __tablename__ = 'parents'
+
+    slug = Column(Unicode, primary_key=True)
+    name = Column(Unicode, nullable=False)
+
+
+class Child(Base):
+    __tablename__ = 'children'
+
+    provider_slug = Column(Unicode, ForeignKey('parents.slug'),
+                           primary_key=True)
+    slug = Column(Unicode, primary_key=True)
+
+    provider = relationship('Parent', backref=backref('children'))
+
+
 def sacrud_settings(config):
     config.include('pyramid_sacrud', route_prefix='admin')
     config.registry.settings['pyramid_sacrud.models'] = (
         ('Catalouge', [Group, Good]),
-        ('Auth system', [User])
+        ('Auth system', [User]),
+        ('foo', [Parent, Child])
     )
 
 
@@ -144,3 +162,4 @@ def main(global_settings, **settings):
         from wsgiref.simple_server import make_server
         server = make_server('0.0.0.0', 6543, app)
         server.serve_forever()
+
diff --git a/pyramid_sacrud/common/__init__.py b/pyramid_sacrud/common/__init__.py
@@ -27,7 +27,7 @@ def preprocessing_value(key, value, form):
                         column.typ,
                         (colander.Int, colander.Integer,
                          colander.Float, colander.Decimal)):
-                    value =  sqlalchemy.sql.null()
+                    value = sqlalchemy.sql.null()
                 elif value is colander.null:
                     value = ""
                 return value

diff --git a/pyramid_sacrud/views/CRUD.py b/pyramid_sacrud/views/CRUD.py
@@ -126,7 +126,7 @@ def options_for_response(form):
                     deserialized = form.validate_pstruct(pstruct).values()
                 except deform.ValidationFailure as e:
                     return options_for_response(e)
-                data = {k: preprocessing_value(k, v, form)  #TODO: optimize it
+                data = {k: preprocessing_value(k, v, form)  # TODO: optimize it
                         for d in deserialized
                         for k, v in d.items()}
             else: