Everything should work now. bt5 upgrade (not yet committed) will be necessaru...

Everything should work now. bt5 upgrade (not yet committed) will be necessaru to benefit from better guard in document_publication_workflow.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13480 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Document.py

@@ -334,6 +334,7 @@ class Document(XMLObject, UrlMixIn):
                     , PropertySheet.Document
                     , PropertySheet.Url
                     , PropertySheet.Snapshot
+                    , PropertySheet.Periodicity
                     )
 
   # Declarative interfaces
@@ -998,10 +999,12 @@ class Document(XMLObject, UrlMixIn):
       about any file format.
 
       Other possible applications: conversion of HTML
-      text to tiddie HTML such as described here:
+      text to tiddy HTML such as described here:
       http://www.xml.com/pub/a/2004/09/08/pyxml.html
       so that resulting text can be processed more
-      easily by XSLT parsers.
+      easily by XSLT parsers. Conversion of internal
+      links to images of an HTML document to local
+      links (in combindation with populate).
     """
     raise NotImplementedError
 
@@ -1034,3 +1037,38 @@ class Document(XMLObject, UrlMixIn):
       del(self.snapshot_data)
     except AttributeError:
       pass
+
+  # Transformation API
+  def populateContent(self):
+    """
+      Populates the Document with subcontent based on the
+      document base data.
+
+      This can be used for example to transform the XML
+      of an RSS feed into a single piece per news or
+      to transform an XML export from a database into
+      individual records. Other application: populate
+      an HTML text document with its images, used in
+      conversion with convertToBaseFormat.
+
+      NOTE: to be implemented as typed base method.
+    """
+    pass
+
+  # Crawling API
+  def getContentURLList(self):
+    """
+      Returns a list of URLs referenced by the content of this document.
+
+      NOTE: to be implemented as typed base method or
+      by subclass.
+    """
+    pass
+
+  def updateContentFromURL(self):
+    """
+      Download and update content of this document from its source URL.
+
+      NOTE: to be implemented here.
+    """
+    pass
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