diff -r 1fe028e17f70 -r 34e6d07ea2e9 src/pyams_content/component/extfile/interfaces/__init__.py
--- a/src/pyams_content/component/extfile/interfaces/__init__.py	Mon Nov 05 13:20:10 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-#
-# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
-# All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE.
-#
-
-__docformat__ = 'restructuredtext'
-
-from zope.interface import Interface
-from zope.schema import Choice, TextLine
-
-from pyams_content.component.association.interfaces import IAssociationContainerTarget, IAssociationItem
-from pyams_i18n.schema import I18nAudioField, I18nFileField, I18nTextField, I18nTextLineField, I18nThumbnailImageField, \
-    I18nVideoField
-
-from pyams_content import _
-
-
-EXTFILE_CONTAINER_KEY = 'pyams_content.extfile'
-EXTFILE_LINKS_CONTAINER_KEY = 'pyams_content.extfile.links'
-
-
-class IBaseExtFile(IAssociationItem):
-    """Base external file interface"""
-
-    title = I18nTextLineField(title=_("Download link label"),
-                              description=_("Label of download link, as shown in front-office"),
-                              required=False)
-
-    description = I18nTextField(title=_("Description"),
-                                description=_("File description displayed by front-office template"),
-                                required=False)
-
-    author = TextLine(title=_("Author"),
-                      description=_("Name of document's author"),
-                      required=False)
-
-    language = Choice(title=_("Language"),
-                      description=_("File's content language"),
-                      vocabulary="PyAMS base languages",
-                      required=False)
-
-    filename = TextLine(title=_("Save file as..."),
-                        description=_("Name under which the file will be saved"),
-                        required=False)
-
-
-class IExtFile(IBaseExtFile):
-    """Generic external file interface"""
-
-    data = I18nFileField(title=_("File data"),
-                         description=_("File content"),
-                         required=True)
-
-
-class IExtMedia(IExtFile):
-    """External media file interface"""
-
-
-class IExtImage(IExtMedia):
-    """External image file interface"""
-
-    data = I18nThumbnailImageField(title=_("Image data"),
-                                   description=_("Image content"),
-                                   required=True)
-
-
-class IExtVideo(IExtMedia):
-    """External video file interface"""
-
-    data = I18nVideoField(title=_("Video data"),
-                          description=_("Video content"),
-                          required=True)
-
-
-class IExtAudio(IExtMedia):
-    """External audio file interface"""
-
-    data = I18nAudioField(title=_("Audio data"),
-                          description=_("Audio file content"),
-                          required=True)
-
-
-class IExtFileContainerTarget(IAssociationContainerTarget):
-    """External files container marker interface"""
-
-
-#
-# External files management
-#
-
-EXTFILE_MANAGER_INFO_KEY = 'pyams_content.extfile.manager'
-
-
-class IExtFileManagerInfo(Interface):
-    """External file manager interface"""
-
-    default_title_prefix = I18nTextLineField(title=_("Default title prefix"),
-                                             description=_("If used, this prefix will be automatically added to "
-                                                           "download link's label of all files"),
-                                             required=False)