create cybertools.commerce package

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2757 fd906abe-77d9-0310-91a1-e0d9ade77398

commerce/README.txt

@@ -0,0 +1,14 @@
+==========================================
+Commerce: Products, Customers, Orders, ...
+==========================================
+
+  ($Id$)
+
+
+Products
+========
+
+Let's start with a Product:
+
+  >>> from cybertools.commerce.product import Product
+  >>> p1 = Product()

commerce/__init__.py

@@ -0,0 +1,4 @@
+"""
+$Id$
+"""
+

commerce/browser/__init__.py

@@ -0,0 +1,4 @@
+"""
+$Id$
+"""
+

commerce/browser/configure.zcml

@@ -0,0 +1,15 @@
+<!-- $Id$ -->
+
+<configure
+   xmlns="http://namespaces.zope.org/browser"
+   xmlns:zope="http://namespaces.zope.org/zope"
+   i18n_domain="cybertools.commerce">
+
+  <page
+      for="cybertools.commerce.interfaces.IProduct"
+      name="index.html"
+      class="cybertools.commerce.browser.product.ProductView"
+      permission="zope.View"
+      />
+
+</configure>

commerce/browser/product.py

@@ -0,0 +1,34 @@
+#
+#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+Basic browser view classes for products.
+
+$Id$
+"""
+
+from zope import component
+from zope.cachedescriptors.property import Lazy
+
+
+class ProcuctView(object):
+
+    def __init__(self, context, request):
+        self.context = context
+        self.request = request
+

commerce/interfaces.py

@@ -0,0 +1,40 @@
+#
+#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+Interfaces for the commerce domain like products, customers, orders, ...
+
+$Id$
+"""
+
+from zope import schema
+from zope.schema.vocabulary import SimpleVocabulary, SimpleTerm
+from zope.interface import Interface, Attribute
+from zope.i18nmessageid import MessageFactory
+
+from cybertools.util.jeep import Jeep, Term
+
+_ = MessageFactory('cybertools.commerce')
+
+
+# products
+
+class IProduct(Interface):
+    """ A certain class of similar objects that may be put in a shopping cart.
+    """
+

commerce/product.py

@@ -0,0 +1,33 @@
+#
+#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+Product classes.
+
+$Id$
+"""
+
+from zope.interface import implements, Interface
+
+from cybertools.commerce.interfaces import IProduct
+
+
+class Product(object):
+
+    implements(IProduct)
+

commerce/tests.py

@@ -0,0 +1,28 @@
+#! /usr/bin/python
+
+"""
+Tests for the 'cybertools.commerce' package.
+
+$Id$
+"""
+
+import unittest, doctest
+from zope.testing.doctestunit import DocFileSuite
+from cybertools.commerce.product import Product
+
+class Test(unittest.TestCase):
+    "Basic tests."
+
+    def testBasicStuff(self):
+        p = Product()
+
+
+def test_suite():
+    flags = doctest.NORMALIZE_WHITESPACE | doctest.ELLIPSIS
+    return unittest.TestSuite((
+        unittest.makeSuite(Test),
+        DocFileSuite('README.txt', optionflags=flags),
+        ))
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='test_suite')

composer/schema/instance.py

@@ -23,6 +23,7 @@ $Id$
 """
 
 from BTrees.OOBTree import OOBTree
+from zope.cachedescriptors.property import Lazy
 from zope.component import adapts
 from zope.interface import implements, Interface
 
@@ -30,6 +31,7 @@ from cybertools.composer.instance import Instance as BaseInstance
 from cybertools.composer.interfaces import IInstance
 from cybertools.composer.schema.interfaces import IClient
 from cybertools.composer.schema.schema import FormState
+from cybertools.util.jeep import Jeep
 
 
 class Instance(BaseInstance):
@@ -42,7 +44,6 @@ class Instance(BaseInstance):
     view = None
 
     def applyTemplate(self, *args, **kw):
-        #result = dict(__name__=self.context.__name__)
         result = {}
         mode = kw.get('mode', 'view')
         template = self.template
@@ -59,6 +60,18 @@ class Instance(BaseInstance):
                 result[name] = value
         return result
 
+    def getFieldInstances(self):
+        fieldInstances = Jeep()
+        template = self.template
+        if template is not None:
+            for f in template.components:
+                fieldInstances[f.name] = f.getFieldInstance(self)
+        return fieldInstances
+
+    @Lazy
+    def fieldInstances(self):
+        return self.getFieldInstances()
+
 
 class Editor(BaseInstance):
 

composer/schema/interfaces.py

@@ -28,6 +28,7 @@ from zope.i18nmessageid import MessageFactory
 from zope.schema.vocabulary import SimpleVocabulary, SimpleTerm
 
 from cybertools.composer.interfaces import ITemplate, IComponent
+from cybertools.composer.interfaces import IInstance as IBaseInstance
 
 _ = MessageFactory('zope')
 
@@ -257,6 +258,26 @@ class IFormState(Interface):
                     "severities.")
 
 
+class IInstance(IBaseInstance):
+    """ An instance adapter for arbitrary client objects, using a schema.
+    """
+
+    fieldInstances = Attribute('A mapping ``{fieldName: fieldInstance, ...}``.')
+
+
+class IEditor(IInstance):
+    """ An instance adapter for a client object that represents the state
+        of all fields when editing.
+    """
+    # TODO: make IFormState + implementations obsolete
+
+    fieldInstances = Attribute('A mapping ``{fieldName: fieldInstance, ...}``.')
+    changed = Attribute('True if one of the fields has been changed')
+    severity = Attribute("An integer giving an overall state or error "
+                    "code, typically the maximum of the field instances' "
+                    "severities.")
+
+
 # clients
 
 class IClient(Interface):

reporter/resultset.py

@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2006 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by