Moved to abstract class.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@37107 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Document.py

@@ -77,6 +77,9 @@ DEFAULT_DISPLAY_ID_LIST = ('nano', 'micro', 'thumbnail',
 
 DEFAULT_QUALITY = 75
 
+DEFAULT_CONTENT_TYPE = 'text/html'
+
+
 class SnapshotMixin:
   """
     This class provides a generic API to store in the ZODB

product/ERP5/Document/TextDocument.py

@@ -33,7 +33,7 @@ from zLOG import LOG, WARNING
 from Products.CMFCore.utils import getToolByName
 from Products.CMFCore.utils import _setCacheHeaders, _ViewEmulator
 from Products.ERP5Type import Permissions, PropertySheet
-from Products.ERP5.Document.Document import Document, ConversionError
+from Products.ERP5.Document.Document import Document, ConversionError, _MARKER, DEFAULT_CONTENT_TYPE
 from Products.ERP5.Document.File import File
 from Products.ERP5Type.WebDAVSupport import TextContent
 import re
@@ -46,9 +46,6 @@ try:
 except ImportError:
   from Products.ERP5Type.patches.string import Template
 
-DEFAULT_CONTENT_TYPE = 'text/html'
-_MARKER = []
-
 class TextDocument(CachedConvertableMixin, BaseConvertableFileMixin,
                                                             TextContent, File):
     """A TextDocument impletents IDocument, IFile, IBaseConvertable, ICachedconvertable