Added script eggify.py for wrapping a Python module into an egg, and plenty of minor improvements and refactorings.

bin/clean.py

@@ -6,7 +6,7 @@ from appy.shared.utils import FolderDeleter, cleanFolder
 # ------------------------------------------------------------------------------
 class Cleaner:
     def run(self, verbose=True):
-        cleanFolder(appyPath, verbose=True)
+        cleanFolder(appyPath, verbose=verbose)
         # Remove all files in temp folders
         for tempFolder in ('%s/temp' % appyPath,
                            '%s/pod/test/temp' % appyPath):

bin/eggify.py

@@ -0,0 +1,178 @@
+'''This sript allows to wrap a Python module into an egg.'''
+
+# ------------------------------------------------------------------------------
+import os, os.path, sys, zipfile, appy
+from appy.bin.clean import Cleaner
+from appy.shared.utils import FolderDeleter, copyFolder
+from optparse import OptionParser
+
+# ------------------------------------------------------------------------------
+class EggifierError(Exception): pass
+ERROR_CODE = 1
+eggInfo = '''from setuptools import setup, find_packages
+import os
+setup(name = "%s", version = "%s", description = "%s",
+      long_description = "%s",
+      author = "%s", author_email = "%s",
+      license = "GPL", keywords = "plone, appy", url = '%s',
+      classifiers = ["Framework :: Appy", "Programming Language :: Python",],
+      packages=find_packages(exclude=['ez_setup']), include_package_data = True,
+      namespace_packages=['%s'], zip_safe = False,
+      install_requires=['setuptools'],)'''
+initInfo = '''
+# See http://peak.telecommunity.com/DevCenter/setuptools#namespace-packages
+try:
+    __import__('pkg_resources').declare_namespace(__name__)
+except ImportError:
+    from pkgutil import extend_path
+    __path__ = extend_path(__path__, __name__)
+'''
+
+# ------------------------------------------------------------------------------
+class EggifyScript:
+    '''usage: python eggify.py pythonModule [options]
+       pythonModule is the path to a Python module or the name of a Python file.
+
+       Available options are:
+         -a --appy      If specified, the Appy module (light version, without
+                        test code) will be included in the egg.
+         -r --result    The path where to create the egg (defaults to the
+                        current working directory)
+         -p --products  If specified, the module will be packaged in the
+                        "Products" namespace.
+         -v --version   Egg version. Defaults to 1.0.0.
+    '''
+    def createSetupFile(self, eggTempFolder):
+        '''Creates the setup.py file in the egg.'''
+        content = eggInfo % (self.moduleName, self.version, 'Appy module',
+                             'Appy module', 'Gaetan Delannay',
+                             'gaetan.delannay AT gmail.com',
+                             'http://appyframework.org',
+                             self.moduleName.split('.')[0])
+        f = file(os.path.join(eggTempFolder, 'setup.py'), 'w')
+        f.write(content)
+        f.close()
+
+    def createInitFile(self, eggTempFolder):
+        '''Creates the ez_setup-compliant __init__ files.'''
+        initPath = os.path.join(eggTempFolder,self.moduleName.split('.')[0])
+        f = file(os.path.join(initPath, '__init__.py'), 'w')
+        f.write(initInfo)
+        f.close()
+
+    def getEggName(self):
+        '''Creates the egg name.'''
+        return '%s-%s.egg' % (self.moduleName, self.version)
+
+    zipExclusions = ('.bzr', 'doc', 'test', 'versions')
+    def dirInZip(self, dir):
+        '''Returns True if the p_dir must be included in the zip.'''
+        for exclusion in self.zipExclusions:
+            if dir.endswith(exclusion) or ('/%s/' % exclusion in dir):
+                return False
+        return True
+    
+    def zipResult(self, eggFullName, eggTempFolder):
+        '''Zips the result and removes the egg temp folder.'''
+        zipFile = zipfile.ZipFile(eggFullName, 'w', zipfile.ZIP_DEFLATED)
+        # Put the Python module inside the egg.
+        prefix = os.path.dirname(eggTempFolder)
+        for dir, dirnames, filenames in os.walk(eggTempFolder):
+            for f in filenames:
+                fileName = os.path.join(dir, f)
+                zipFile.write(fileName, fileName[len(prefix):])
+        # Put the Appy module inside it if required.
+        if self.includeAppy:
+            eggPrefix = '%s/%s' % (eggTempFolder[len(prefix):],
+                                   self.moduleName.replace('.', '/'))
+            # Where is Appy?
+            appyPath = os.path.dirname(appy.__file__)
+            appyPrefix = os.path.dirname(appyPath)
+            # Clean the Appy folder
+            Cleaner().run(verbose=False)
+            # Insert appy files into the zip
+            for dir, dirnames, filenames in os.walk(appyPath):
+                if not self.dirInZip(dir): continue
+                for f in filenames:
+                    fileName = os.path.join(dir, f)
+                    zipName = eggPrefix + fileName[len(appyPrefix):]
+                    zipFile.write(fileName, zipName)
+        zipFile.close()
+        # Remove the temp egg folder.
+        FolderDeleter.delete(eggTempFolder)
+
+    def eggify(self):
+        '''Let's wrap a nice Python module into an ugly egg.'''
+        j = os.path.join
+        # Create the egg folder
+        eggFullName = j(self.eggFolder, self.eggName)
+        if os.path.exists(eggFullName):
+            os.remove(eggFullName)
+            print 'Existing "%s" was removed.' % eggFullName
+        # Create a temp folder where to store the egg
+        eggTempFolder = os.path.splitext(eggFullName)[0]
+        if os.path.exists(eggTempFolder):
+            FolderDeleter.delete(eggTempFolder)
+            print 'Removed "%s" that was in my way.' % eggTempFolder
+        os.mkdir(eggTempFolder)
+        # Create the "Products" sub-folder if we must wrap the package in this
+        # namespace
+        eggModulePath = j(j(eggTempFolder, self.moduleName.replace('.', '/')))
+        # Copy the Python module into the egg.
+        os.makedirs(eggModulePath)
+        copyFolder(self.pythonModule, eggModulePath)
+        # Create setup files in the root egg folder
+        self.createSetupFile(eggTempFolder)
+        self.createInitFile(eggTempFolder)
+        self.zipResult(eggFullName, eggTempFolder)
+
+    def checkArgs(self, options, args):
+        # Check that we have the correct number of args.
+        if len(args) != 1: raise EggifierError('Wrong number of arguments.')
+        # Check that the arg corresponds to an existing Python module
+        if not os.path.exists(args[0]):
+            raise EggifierError('Path "%s" does not correspond to an ' \
+                                'existing Python package.' % args[0])
+        self.pythonModule = args[0]
+        # At present I only manage Python modules, not 1-file Python packages.
+        if not os.path.isdir(self.pythonModule):
+            raise EggifierError('"%s" is not a folder. One-file Python ' \
+                                'packages are not supported yet.' % args[0])
+        self.eggFolder = options.result
+        if not os.path.exists(self.eggFolder):
+            raise EggifierError('"%s" does not exist. Please create this ' \
+                                'folder first.' % self.eggFolder)
+        self.includeAppy = options.appy
+        self.inProducts = options.products
+        self.version = options.version
+        self.moduleName = os.path.basename(self.pythonModule)
+        if self.inProducts:
+            self.moduleName = 'Products.' + self.moduleName
+        self.eggName = self.getEggName()
+
+    def run(self):
+        optParser = OptionParser(usage=EggifyScript.__doc__)
+        optParser.add_option("-r", "--result", dest="result",
+                             help="The folder where to create the egg",
+                             default=os.getcwd(), metavar="RESULT",
+                             type='string')
+        optParser.add_option("-a", "--appy", action="store_true",
+                             help="Includes the Appy module in the egg")
+        optParser.add_option("-p", "--products", action="store_true",
+                             help="Includes the module in the 'Products' " \
+                                  "namespace")
+        optParser.add_option("-v", "--version", dest="version",
+                             help="The module version", default='1.0.0',
+                             metavar="VERSION", type='string')
+        options, args = optParser.parse_args()
+        try:
+            self.checkArgs(options, args)
+            self.eggify()
+        except EggifierError, ee:
+            sys.stderr.write(str(ee) + '\nRun eggify.py -h for getting help.\n')
+            sys.exit(ERROR_CODE)
+
+# ------------------------------------------------------------------------------
+if __name__ == '__main__':
+    EggifyScript().run()
+# ------------------------------------------------------------------------------

bin/publish.py

@@ -395,7 +395,7 @@ class Publisher:
         f.close()
 
     privateScripts = ('publish.py', 'zip.py', 'runOpenOffice.sh')
-    def prepareGenFolder(self):
+    def prepareGenFolder(self, minimalist=False):
         '''Creates the basic structure of the temp folder where the appy
            website will be generated.'''
         # Reinitialise temp folder where the generated website will be dumped
@@ -413,6 +413,8 @@ class Publisher:
         # Remove some scripts from bin
         for script in self.privateScripts:
             os.remove('%s/bin/%s' % (genSrcFolder, script))
+        if minimalist:
+            FolderDeleter.delete('%s/pod/test' % genSrcFolder)
         # Write the appy version into the code itself (in appy/version.py)'''
         print 'Publishing version %s...' % self.versionShort
         # Dump version info in appy/version.py
@@ -436,7 +438,9 @@ class Publisher:
         # Perform a small analysis on the Appy code
         LinesCounter(appy).run()
         print 'Generating site in %s...' % self.genFolder
-        self.prepareGenFolder()
+        minimalist = askQuestion('Minimalist (shipped without tests)?',
+                                 default='no')
+        self.prepareGenFolder(minimalist)
         self.createDocToc()
         self.applyTemplate()
         self.createZipRelease()

gen/__init__.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # ------------------------------------------------------------------------------
-import re, time, copy, sys, types, os, os.path
+import re, time, copy, sys, types, os, os.path, mimetypes
 from appy.shared.utils import Traceback
 from appy.gen.layout import Table
 from appy.gen.layout import defaultFieldLayouts
@@ -1203,7 +1203,7 @@ class String(Type):
     def store(self, obj, value):
         if self.isMultiValued() and isinstance(value, basestring):
             value = [value]
-        setattr(obj, self.name, value)
+        exec 'obj.%s = value' % self.name
 
 class Boolean(Type):
     def __init__(self, validator=None, multiplicity=(0,1), index=None,
@@ -1352,14 +1352,31 @@ class File(Type):
 
     defaultMimeType = 'application/octet-stream'
     def store(self, obj, value):
-        '''Stores the p_value (produced by m_getStorableValue) that complies to
-           p_self type definition on p_obj.'''
+        '''Stores the p_value that represents some file. p_value can be:
+           * an instance of Zope class ZPublisher.HTTPRequest.FileUpload. In
+             this case, it is file content coming from a HTTP POST;
+           * an instance of Zope class OFS.Image.File;
+           * an instance of appy.gen.utils.FileWrapper, which wraps an instance
+             of OFS.Image.File and adds useful methods for manipulating it;
+           * a string. In this case, the string represents the path of a file
+             on disk;
+           * a 2-tuple (fileName, fileContent) where:
+             - fileName is the name of the file (ie "myFile.odt")
+             - fileContent is the binary or textual content of the file or an
+                           open file handler.
+           * a 3-tuple (fileName, fileContent, mimeType) where
+             - fileName and fileContent have the same meaning than above;
+             - mimeType is the MIME type of the file.
+        '''
         if value:
+            ZFileUpload = self.o.getProductConfig().FileUpload
+            OFSImageFile = self.o.getProductConfig().File
+            if isinstance(value, ZFileUpload):
+                # The file content comes from a HTTP POST.
                 # Retrieve the existing value, or create one if None
                 existingValue = getattr(obj, self.name, None)
                 if not existingValue:
-                import OFS.Image
-                existingValue = OFS.Image.File(self.name, '', '')
+                    existingValue = OFSImageFile(self.name, '', '')
                 # Set mimetype
                 if value.headers.has_key('content-type'):
                     mimeType = value.headers['content-type']
@@ -1368,15 +1385,47 @@ class File(Type):
                 existingValue.content_type = mimeType
                 # Set filename
                 fileName = value.filename
-            filename = fileName[max(fileName.rfind('/'), fileName.rfind('\\'),
+                filename= fileName[max(fileName.rfind('/'),fileName.rfind('\\'),
                                        fileName.rfind(':'))+1:]
                 existingValue.filename = fileName
                 # Set content
                 existingValue.manage_upload(value)
                 setattr(obj, self.name, existingValue)
+            elif isinstance(value, OFSImageFile):
+                setattr(obj, self.name, value)
+            elif isinstance(value, FileWrapper):
+                setattr(obj, self.name, value._atFile)
+            elif isinstance(value, basestring):
+                f = file(value)
+                fileName = os.path.basename(value)
+                fileId = 'file.%f' % time.time()
+                zopeFile = OFSImageFile(fileId, fileName, f)
+                zopeFile.filename = fileName
+                zopeFile.content_type = mimetypes.guess_type(fileName)[0]
+                setattr(obj, self.name, zopeFile)
+                f.close()
+            elif type(value) in sequenceTypes:
+                # It should be a 2-tuple or 3-tuple
+                fileName = None
+                mimeType = None
+                if len(value) == 2:
+                    fileName, fileContent = value
+                elif len(value) == 3:
+                    fileName, fileContent, mimeType = value
                 else:
-            # What must I do: delete the existing file or keep it ?
-            action = obj.REQUEST.get('%s_delete' % self.name)
+                    raise WRONG_FILE_TUPLE
+                if fileName:
+                    fileId = 'file.%f' % time.time()
+                    zopeFile = OFSImageFile(fileId, fileName, fileContent)
+                    zopeFile.filename = fileName
+                    if not mimeType:
+                        mimeType = mimetypes.guess_type(fileName)[0]
+                    zopeFile.content_type = mimeType
+                    setattr(obj, self.name, zopeFile)
+        else:
+            # I store value "None", excepted if I find in the request the desire
+            # to keep the file unchanged.
+            action = obj.REQUEST.get('%s_delete' % self.name, None)
             if action == 'nochange': pass
             else: setattr(obj, self.name, None)
 
@@ -1542,21 +1591,30 @@ class Ref(Type):
             return obj.translate('max_ref_violated')
 
     def store(self, obj, value):
-        '''Stores on p_obj, the p_value, which can be None, an object UID or a
-           list of UIDs coming from the request. This method is only called for
-           Ref fields with link=True.'''
-        # Security check
-        if not self.isShowable(obj, 'edit'): return
+        '''Stores on p_obj, the p_value, which can be:
+           * None;
+           * an object UID (=string);
+           * a list of object UIDs (=list of strings). Generally, UIDs or lists
+             of UIDs come from Ref fields with link:True edited through the web;
+           * a Zope object;
+           * a Appy object;
+           * a list of Appy or Zope objects.
+        '''
         # Standardize the way p_value is expressed
-        uids = value
-        if not value: uids = []
-        if isinstance(value, basestring): uids = [value]
+        refs = value
+        if not refs: refs = []
+        if type(refs) not in sequenceTypes: refs = [refs]
+        for i in range(len(refs)):
+            if isinstance(refs[i], basestring):
+                # Get the Zope object from the UID
+                refs[i] = obj.uid_catalog(UID=refs[i])[0].getObject()
+            else:
+                refs[i] = refs[i].o # Now we are sure to have a Zope object.
         # Update the field storing on p_obj the ordered list of UIDs
         sortedRefs = obj._appy_getSortedField(self.name)
         del sortedRefs[:]
-        for uid in uids: sortedRefs.append(uid)
-        # Update the refs
-        refs = [obj.uid_catalog(UID=uid)[0].getObject() for uid in uids]
+        for ref in refs: sortedRefs.append(ref.UID())
+        # Update the Archetypes Ref field.
         exec 'obj.set%s%s(refs)' % (self.name[0].upper(), self.name[1:])
 
     def clone(self, forTool=True):
@@ -1618,11 +1676,14 @@ class Action(Type):
                  master=None, masterValue=None, focus=False, historized=False):
         # Can be a single method or a list/tuple of methods
         self.action = action
-        # For the following field, value 'computation' means that the action
-        # will simply compute things and redirect the user to the same page,
-        # with some status message about execution of the action. 'file' means
-        # that the result is the binary content of a file that the user will
-        # download.
+        # For the following field:
+        #  * value 'computation' means that the action will simply compute
+        #    things and redirect the user to the same page, with some status
+        #    message about execution of the action;
+        #  * 'file' means that the result is the binary content of a file that
+        #    the user will download.
+        #  * 'redirect' means that the action will lead to the user being
+        #    redirected to some other page.
         self.result = result
         # If following field "confirm" is True, a popup will ask the user if
         # she is really sure about triggering this action.

gen/plone25/mixins/ToolMixin.py

@@ -452,6 +452,16 @@ class ToolMixin(BaseMixin):
             return pythonClass.maySearch(self.appy())
         return True
 
+    def userMayNavigate(self, someClass):
+        '''This method checks if the currently logged user can display the
+           navigation panel within the portlet. This is done by calling method
+           "mayNavigate" on the class whose currently shown object is an
+           instance of. If no such method exists, we return True.'''
+        pythonClass = self.getAppyClass(someClass)
+        if 'mayNavigate' in pythonClass.__dict__:
+            return pythonClass.mayNavigate(self.appy())
+        return True
+
     def onImportObjects(self):
         '''This method is called when the user wants to create objects from
            external data.'''

gen/plone25/mixins/__init__.py

@@ -77,6 +77,10 @@ class BaseMixin:
 
     def delete(self):
         '''This methods is self's suicide.'''
+        # Call a custom "onDelete" if it exists
+        appyObj = self.appy()
+        if hasattr(appyObj, 'onDelete'): appyObj.onDelete()
+        # Delete the object
         self.getParentNode().manage_delObjects([self.id])
 
     def onDelete(self):
@@ -245,8 +249,11 @@ class BaseMixin:
                 return self.goto(obj.getUrl())
         if rq.get('buttonNext.x', None):
             # Go to the next page for this object
+            # We remember page name, because the next method may set a new
+            # current page if the current one is not visible anymore.
+            pageName = rq['page']
             phaseInfo = self.getAppyPhases(currentOnly=True, layoutType='edit')
-            pageName, pageInfo = self.getNextPage(phaseInfo, rq['page'])
+            pageName, pageInfo = self.getNextPage(phaseInfo, pageName)
             if pageName:
                 # Return to the edit or view page?
                 if pageInfo['showOnEdit']:
@@ -576,7 +583,13 @@ class BaseMixin:
 
     def getPreviousPage(self, phase, page):
         '''Returns the page that precedes p_page which is in p_phase.'''
+        try:
             pageIndex = phase['pages'].index(page)
+        except ValueError:
+            # The current page is probably not visible anymore. Return the
+            # first available page in current phase.
+            res = phase['pages'][0]
+            return res, phase['pagesInfo'][res]
         if pageIndex > 0:
             # We stay on the same phase, previous page
             res = phase['pages'][pageIndex-1]
@@ -594,7 +607,13 @@ class BaseMixin:
 
     def getNextPage(self, phase, page):
         '''Returns the page that follows p_page which is in p_phase.'''
+        try:
             pageIndex = phase['pages'].index(page)
+        except ValueError:
+            # The current page is probably not visible anymore. Return the
+            # first available page in current phase.
+            res = phase['pages'][0]
+            return res, phase['pagesInfo'][res]
         if pageIndex < len(phase['pages'])-1:
             # We stay on the same phase, next page
             res = phase['pages'][pageIndex+1]
@@ -735,6 +754,8 @@ class BaseMixin:
         '''Executes action with p_fieldName on this object.'''
         appyType = self.getAppyType(actionName)
         actionRes = appyType(self.appy())
+        if self.getParentNode().get(self.id):
+            # Else, it means that the action has led to self's removal.
             self.reindexObject()
         return appyType.result, actionRes
 
@@ -755,13 +776,17 @@ class BaseMixin:
         if (resultType == 'computation') or not successfull:
             self.plone_utils.addPortalMessage(msg)
             return self.goto(self.getUrl(rq['HTTP_REFERER']))
-        else:
+        elif resultType == 'file':
             # msg does not contain a message, but a complete file to show as is.
             # (or, if your prefer, the message must be shown directly to the
             # user, not encapsulated in a Plone page).
             res = self.getProductConfig().File(msg.name, msg.name, msg,
                 content_type=mimetypes.guess_type(msg.name)[0])
             return res.index_html(rq, rq.RESPONSE)
+        elif resultType == 'redirect':
+            # msg does not contain a message, but the URL where to redirect
+            # the user.
+            return self.goto(msg)
 
     def onTriggerTransition(self):
         '''This method is called whenever a user wants to trigger a workflow

gen/plone25/skin/portlet.pt

@@ -28,11 +28,8 @@
     </td>
   </dt>
 
-  <tal:publishedObject condition="python: contextObj">
-  <dt class="portletAppyItem portletCurrent">
-    <a tal:attributes="href python: contextObj.getUrl(page='main')"
-       tal:content="contextObj/Title"></a>
-  </dt>
+  <tal:publishedObject condition="python: contextObj and tool.userMayNavigate(contextObj.meta_type)">
+  <dt class="portletAppyItem portletCurrent"><b tal:content="contextObj/Title"></b></dt>
   <dt class="portletAppyItem"><metal:phases use-macro="here/skyn/portlet/macros/phases"/></dt>
   </tal:publishedObject>
   

gen/plone25/templates/config.py

@@ -17,6 +17,7 @@ try:
 except ImportError:
     CustomizationPolicy = None
 from OFS.Image import File
+from ZPublisher.HTTPRequest import FileUpload
 from DateTime import DateTime
 from Products.CMFCore import utils as cmfutils
 from Products.CMFCore.utils import getToolByName

gen/plone25/wrappers/UserWrapper.py

@@ -100,4 +100,13 @@ class UserWrapper(AbstractWrapper):
                 if groupName in userGroups:
                     group.removeMember(self.login)
         self._callCustom('onEdit', created)
+
+    def onDelete(self):
+        '''Before deleting myself, I must delete the corresponding Plone
+           user.'''
+        # Delete the corresponding Plone user
+        self.o.acl_users._doDelUser(self.login)
+        self.log('Plone user "%s" deleted.' % self.login)
+        # Call a custom "onDelete" if any.
+        self._callCustom('onDelete')
 # ------------------------------------------------------------------------------

gen/plone25/wrappers/__init__.py

@@ -5,7 +5,7 @@
 import os, os.path, time, mimetypes, random
 import appy.pod
 from appy.gen import Search
-from appy.gen.utils import sequenceTypes, FileWrapper
+from appy.gen.utils import sequenceTypes
 from appy.shared.utils import getOsTempFolder, executeCommand, normalizeString
 from appy.shared.xml_parser import XmlMarshaller
 
@@ -18,97 +18,62 @@ WRONG_FILE_TUPLE = 'This is not the way to set a file. You can specify a ' \
 class AbstractWrapper:
     '''Any real web framework object has a companion object that is an instance
        of this class.'''
-    def __init__(self, o):
-        self.__dict__['o'] = o
-    def _set_file_attribute(self, name, v):
-        '''Updates the value of a file attribute named p_name with value p_v.
-           p_v may be:
-           - a string value containing the path to a file on disk;
-           - a 2-tuple (fileName, fileContent) where
-             * fileName = the name of the file (ie "myFile.odt")
-             * fileContent = the binary or textual content of the file or an
-               open file handler.
-           - a 3-tuple (fileName, fileContent, mimeType) where mimeType is the
-              v MIME type of the file.'''
-        ploneFileClass = self.o.getProductConfig().File
-        if isinstance(v, ploneFileClass):
-            setattr(self.o, name, v)
-        elif isinstance(v, FileWrapper):
-            setattr(self.o, name, v._atFile)
-        elif isinstance(v, basestring):
-            f = file(v)
-            fileName = os.path.basename(v)
-            fileId = 'file.%f' % time.time()
-            ploneFile = ploneFileClass(fileId, fileName, f)
-            ploneFile.filename = fileName
-            ploneFile.content_type = mimetypes.guess_type(fileName)[0]
-            setattr(self.o, name, ploneFile)
-            f.close()
-        elif type(v) in sequenceTypes:
-            # It should be a 2-tuple or 3-tuple
-            fileName = None
-            mimeType = None
-            if len(v) == 2:
-                fileName, fileContent = v
-            elif len(v) == 3:
-                fileName, fileContent, mimeType = v
-            else:
-                raise WRONG_FILE_TUPLE
-            if fileName:
-                fileId = 'file.%f' % time.time()
-                ploneFile = ploneFileClass(fileId, fileName, fileContent)
-                ploneFile.filename = fileName
-                if not mimeType:
-                    mimeType = mimetypes.guess_type(fileName)[0]
-                ploneFile.content_type = mimeType
-                setattr(self.o, name, ploneFile)
-    def __setattr__(self, name, v):
-        if name == 'title':
-            self.o.setTitle(v)
-            return
+    def __init__(self, o): self.__dict__['o'] = o
+
+    def __setattr__(self, name, value):
         appyType = self.o.getAppyType(name)
         if not appyType:
             raise 'Attribute "%s" does not exist.' % name
-        if appyType.type == 'File':
-            self._set_file_attribute(name, v)
-        elif appyType.type == 'Ref':
-            raise "Use methods 'link' or 'create' to modify references."
-        else:
-            setattr(self.o, name, v)
+        appyType.store(self.o, value)
+
     def __repr__(self):
-        return '<%s wrapper at %s>' % (self.klass.__name__, id(self))
+        return '<%s appyobj at %s>' % (self.klass.__name__, id(self))
+
     def __cmp__(self, other):
         if other: return cmp(self.o, other.o)
         else: return 1
+
     def get_tool(self): return self.o.getTool().appy()
     tool = property(get_tool)
+
     def get_request(self): return self.o.REQUEST
     request = property(get_request)
+
     def get_session(self): return self.o.REQUEST.SESSION
     session = property(get_session)
+
     def get_typeName(self): return self.__class__.__bases__[-1].__name__
     typeName = property(get_typeName)
+
     def get_id(self): return self.o.id
     id = property(get_id)
+
     def get_uid(self): return self.o.UID()
     uid = property(get_uid)
+
     def get_state(self):
         return self.o.portal_workflow.getInfoFor(self.o, 'review_state')
     state = property(get_state)
+
     def get_stateLabel(self):
         appName = self.o.getProductConfig().PROJECTNAME
-        return self.o.utranslate(self.o.getWorkflowLabel(), domain=appName)
+        return self.o.translate(self.o.getWorkflowLabel(), domain=appName)
     stateLabel = property(get_stateLabel)
+
     def get_klass(self): return self.__class__.__bases__[-1]
     klass = property(get_klass)
+
     def get_url(self): return self.o.absolute_url()
     url = property(get_url)
+
     def get_history(self):
         key = self.o.workflow_history.keys()[0]
         return self.o.workflow_history[key]
     history = property(get_history)
+
     def get_user(self): return self.o.portal_membership.getAuthenticatedMember()
     user = property(get_user)
+
     def get_fields(self): return self.o.getAllAppyTypes()
     fields = property(get_fields)
 
@@ -210,6 +175,10 @@ class AbstractWrapper:
         ploneObj.reindexObject()
         return appyObj
 
+    def delete(self):
+        '''Deletes myself.'''
+        self.o.delete()
+
     def translate(self, label, mapping={}, domain=None, language=None):
         '''Check documentation of self.o.translate.'''
         return self.o.translate(label, mapping, domain, language=language)

pod/buffers.py

@@ -486,11 +486,18 @@ class MemoryBuffer(Buffer):
         else:
             res = self.getLength()
         return res
+
+    reTagContent = re.compile('<(?P<p>[\w-]+):(?P<f>[\w-]+)(.*?)>.*</(?P=p):' \
+                              '(?P=f)>', re.S)
     def evaluate(self, subElements=True, removeMainElems=False):
-        #print 'Evaluating buffer', self.content.encode('utf-8'), self.elements
         result = self.getFileBuffer()
         if not subElements:
-            result.write(self.content)
+            # Dump the root tag in this buffer, but not its content.
+            res = self.reTagContent.match(self.content.strip())
+            if not res: result.write(self.content)
+            else:
+                g = res.group
+                result.write('<%s:%s%s></%s:%s>' % (g(1),g(2),g(3),g(1),g(2)))
         else:
             iter = BufferIterator(self)
             currentIndex = self.getStartIndex(removeMainElems)
@@ -505,8 +512,6 @@ class MemoryBuffer(Buffer):
                         PodError.dump(result, EVAL_EXPR_ERROR % (
                             evalEntry.expr, e), dumpTb=False)
                 else: # It is a subBuffer
-                    #print '******Subbuffer*************'
-                    # This is a bug.
                     if evalEntry.action:
                         evalEntry.action.execute()
                     else:

pod/test/contexts/ForCell6.py

@@ -0,0 +1,17 @@
+class Student:
+    def __init__(self, **kwargs):
+        for k, v in kwargs.iteritems():
+            setattr(self, k, v)
+
+students = [
+   Student(parent_guardian='Parent 1', street='Street 1', city='Flawinne',
+           state='Namur', zip='5020', lname='Name 1', fname='First name 1'),
+   Student(parent_guardian='Parent 2', street='Street 2', city='Flawinne',
+           state='Namur', zip='5020', lname='Name 2', fname='First name 2'),
+   Student(parent_guardian='Parent 3', street='Street 3', city='Flawinne',
+           state='Namur', zip='5020', lname='Name 3', fname='First name 3'),
+   Student(parent_guardian='Parent 4', street='Street 4', city='Flawinne',
+           state='Namur', zip='5020', lname='Name 4', fname='First name 4'),
+   Student(parent_guardian='Parent 5', street='Street 5', city='Flawinne',
+           state='Namur', zip='5020', lname='Name 5', fname='First name 5'),
+]