Commit 044e327e authored by Jean-Paul Smets's avatar Jean-Paul Smets Committed by Arnaud Fontaine

Sample code for ZODB classes

parent 4b8df3d6
# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved.
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsibility of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# guarantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
#
##############################################################################
from AccessControl import ClassSecurityInfo
from Products.CMFCore.utils import getToolByName
from Products.ERP5Type import Permissions, PropertySheet, Constraint, interfaces
from Products.ERP5Type.Base import Base
class DocumentComponent(Base):
# CMF Type Definition
meta_type = 'ERP5 Document Component'
portal_type = 'Document Component'
isPortalContent = 1
isRADContent = 1
isDelivery = 1
# Declarative security
security = ClassSecurityInfo()
security.declareObjectProtected(Permissions.AccessContentsInformation)
# Declarative properties
property_sheets = ( PropertySheet.Base
, PropertySheet.XMLObject
, PropertySheet.CategoryCore
, PropertySheet.DublinCore
, PropertySheet.Version
, PropertySheet.TextDocument
)
def loadComponent(self):
"""
"""
from Products.ERP5Type.Utils import importLocalDocument
from App.config import getConfiguration
instance_home = getConfiguration().instancehome
path = '%s/component/document' % instance_home
component_path = '%s/%s.py' % (path, self.getReference()) # using ID would be better... with some extensions in importLocalDocument
component_file = open(component_path, 'w')
component_file.write(self.getTextContent())
component_file.close()
importLocalDocument(self.getReference(), path=path)
# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2011 Nexedi SA and Contributors. All Rights Reserved.
# Jean-Paul Smets <jp@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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.
#
##############################################################################
""" Component Tool module for ERP5 """
from AccessControl import ClassSecurityInfo
from Products.ERP5Type.Tool.BaseTool import BaseTool
from Products.ERP5Type import Permissions
class ComponentLoader:
"""
A callable class which delegates component load to ComponentTool
and which contains attributes which can either be called or
implement default component access for different types of components
"""
def __init__(self):
self.component = self
# This could be automated by introspecting
# portal_types and listing all component types
self.document = TypedComponentLoader('Document Component')
self.interface = TypedComponentLoader('Interface Component')
self.mixin = TypedComponentLoader('Mixin Component')
self.accessor = TypedComponentLoader('Accessor Component')
self.test = TypedComponentLoader('Test Component')
self.extension = TypedComponentLoader('Extension Component')
def __call__(self, portal_type, reference, version=None):
site = getSite()
return site.portal_components.loadComponent(portal_type, reference, version=version)
def TypedComponentLoader(ComponentLoader):
"""
A callable class which delegates component load to
ComponentLoader and provides default component access through
attributes.
"""
def __init__(self, portal_type):
self._portal_type = portal_type
def __call__(self, reference, version=None):
return ComponentLoader.__call__(self._portal_type, reference, version=version)
def __getattr__(self, key):
if key.startswith('_'):
return self.__dict__[key]
return self(key)
component = ComponentLoader()
component_revision = None
component_dict = None
class ComponentTool(BaseTool):
"""
This tool provides methods to load the the different types
of components of the ERP5 framework: Document classes, interfaces,
mixin classes, fields, accessors, etc.
"""
id = "portal_components"
meta_type = "ERP5 Component Tool"
portal_type = "Component Tool"
security = ClassSecurityInfo()
manage_options = BaseTool.manage_options
def loadComponent(self, portal_type, reference, version=None):
"""
This first version compiles all components once. A lazy
version could be more efficient.
"""
global component_dict
# Reset cache if modified
#if component_revision is None:
# component_dict = None
if component_dict is None:
component_dict = {}
for document in contentValues():
portal_type = document.getPortalType()
version = document.getVersion()
reference = document.getReference()
component = document.loadComponent()
typed_component_dict = component_dict.setdefault(portal_type, {})
component_version_dict = typed_component_dict.setdefault(reference, {})
# How to handle default ?
component_version_dict[version] = component
component_version_dict[None] = component
return component_dict[portal_type][reference][version]
......@@ -96,7 +96,8 @@ def allowClassTool():
def initialize( context ):
# Import Product Components
from Tool import (ClassTool, CacheTool, MemcachedTool, SessionTool,
TypesTool, WebServiceTool, PropertySheetTool)
TypesTool, WebServiceTool, PropertySheetTool,
ComponentTool,)
import Document
from Base import Base, DocumentationHelper
import XMLObject
......@@ -115,7 +116,8 @@ def initialize( context ):
SessionTool.SessionTool,
TypesTool.TypesTool,
WebServiceTool.WebServiceTool,
PropertySheetTool.PropertySheetTool
PropertySheetTool.PropertySheetTool,
ComponentTool.ComponentTool,
)
# Do initialization step
initializeProduct(context, this_module, globals(),
......
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