--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_media/audio.py Fri Oct 13 09:08:48 2017 +0200
@@ -0,0 +1,61 @@
+#
+# 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'
+
+
+# import standard library
+
+# import interfaces
+from pyams_file.interfaces import IAudio
+from pyams_media.interfaces import IAudioType
+from pyams_utils.interfaces.tales import ITALESExtension
+
+# import packages
+from pyams_utils.adapter import adapter_config, ContextAdapter, ContextRequestViewAdapter
+from zope.interface import Interface
+
+
+#
+# Custom audio types
+#
+
+@adapter_config(context=IAudio, provides=IAudioType)
+class AudioTypeAdapter(ContextAdapter):
+ """Default audio content type adapter"""
+
+ @property
+ def audio_type(self):
+ return self.context.content_type
+
+
+@adapter_config(name='audio_type', context=(Interface, Interface, Interface), provides=ITALESExtension)
+class AudioTypeExtension(ContextRequestViewAdapter):
+ """extension:audio_type(media) TALES extension"""
+
+ def render(self, context=None):
+ if context is None:
+ context = self.context
+ if not IAudio.providedBy(context):
+ return None
+ registry = self.request.registry
+ content_type = context.content_type
+ if isinstance(content_type, bytes):
+ content_type = content_type.decode()
+ adapter = registry.queryAdapter(context, IAudioType, name=content_type)
+ if adapter is None:
+ adapter = registry.queryAdapter(context, IAudioType)
+ if adapter is not None:
+ audio_type = adapter.audio_type
+ if isinstance(audio_type, bytes):
+ audio_type = audio_type.decode()
+ return audio_type
--- a/src/pyams_media/interfaces/__init__.py Thu Sep 21 12:42:23 2017 +0200
+++ b/src/pyams_media/interfaces/__init__.py Fri Oct 13 09:08:48 2017 +0200
@@ -62,14 +62,20 @@
"""Media video converter"""
+class IVideoType(Interface):
+ """Video content-type interface"""
+
+ video_type = Attribute("Video content type")
+
+
class IMediaAudioConverter(IMediaConverter):
"""Media audio converter"""
-class IVideoType(Interface):
- """Video content-type interface"""
+class IAudioType(Interface):
+ """Audio content-type interface"""
- video_type = Attribute("Video content type")
+ audio_type = Attribute("Audio content type")
#