cohen3 0.9.3

Cohen3 - DLNA/UPnP Media Server

Overview

Dlna/UPnP framework

For the Digital Living

Cohen3 Framework is a DLNA/UPnP Media Server for Python 3, based on the Python 2 version named Cohen. Provides several UPnP MediaServers and MediaRenderers to make simple publishing and streaming different types of media content to your network.

Cohen3 is the Python 3’s version of the Coherence Framework project, originally created by Frank Scholz. If you ever used the original Coherence project you could use Cohen3 like you do in the original Coherence project.

• Documentation: https://opacam.github.io/Cohen3/

• GitHub: https://github.com/opacam/Cohen3

• Issue tracker: https://github.com/opacam/Cohen3/issues

• PyPI: https://pypi.python.org/pypi/cohen3

• Free software: MIT licence

Features

The original Coherence Framework were know to work with different kind of dlna/UPnP clients and Cohen3 should also work for them:

• Sony Playstation 3/4

• XBox360/One

• Denon AV Receivers

• WD HD Live MediaPlayers

• Samsung TVs

• Sony Bravia TVs

And provides a lot of backends to fulfil your media streaming needs:

• Local file storage

• Apple Trailers

• Lol Cats

• ShoutCast Radio

• and much more…

Project Status

Right now Cohen is in development mode. All the code has been refactored in order to work for Python 3, moreover, some additions has been made to make easier to create a custom Backend (check the coherence.backends.models package documentation for more information). The original Coherence project was unmaintained for a while and some of the backends has become obsolete. You can see the backends status in the below table.

Status	Backend Name	Description/Notes
	AmpacheStore
	AppleTrailersStore
	AudioCDStore
	AxisCamStore
	BansheeStore
	BuzztardStore
	DVBDStore
	ElisaPlayer
	ElisaMediaStore
	FeedStore
	FlickrStore
	FSStore
	Gallery2Store
	GStreamerPlayer
	IRadioStore (ShoutCast)
	ITVStore
	LastFMStore	service moved to new api…needs update
	LolcatsStore
	MediaStore
	MiroGuideStore	The miroguide’s api is not working anymore :(
	PicasaStore	Partially tested, may work until starting year 2019, where google will begin to shutdown this service, the source code should be rewrite using the api for the new service `Google Photos`
	PlayListStore
	RadiotimeStore
	SWR3Store
	TEDStore
	TestStore
	TrackerStore
	TestStore
	TwitchStore	Partially working, video play is not working
	YamjStore
	YouTubeStore	Google moved to new api…backend should be rewrite with new api in mind

Notes:

• Some of the listed backends it may be removed in a future releases… depending on if the target service is still available, dependencies of the backend, maintainability…keep in mind that the main goal of this project is to have a working media server/client capable of serve local files into a dlna/upnp network, all the backends are extra features which may be handy for some end-users and also may be useful as a reference of how to make your own backend using the Cohen3’s modules.

Installation with pip

If you want to install with pip, first make sure that the pip command triggers the python3 version of python or use pip3 instead. You can install the Cohen3 python package from pypi or github

To install from pypi:

$ pip3 install –user Cohen3

To install from git:

$ pip3 install –user https://github.com/opacam/Cohen3/archive/master.zip

Note

• An user install is recommended or use an virtualenv

Tip

If you encounter problems while installing, caused by some dependency, you may try to bypass this error by installing the conflicting dependency before Cohen3, so if you face an error like this for Twisted:

ERROR: Could not find a version that satisfies the requirement Twisted>=19.2.1 (from Cohen3) (from versions: none)

You should be able to fix it installing Twisted before the install of Cohen3:

pip3 install –upgrade –user Twisted

Install from source with poetry

After downloading and extracting the archive or having done a git clone, move into the freshly created ‘Cohen3’ folder and install all dependencies (dev included) with poetry, but first upgrade pip:

$ pip3 install pip --upgrade
$ pip3 install poetry
$ poetry install

Personalized install from source with pip

Also, you can perform a personalized install using pip. This will allow you to install only certain dependencies, if you want the basic dependencies to run the project:

$ pip install .

If you want to install Cohen3 with development dependencies:

$ pip install .[dev]

Note: Here you have all supported install modes:

• dev: all the dependencies will be installed except docs

• test: used by travis builds (omits dbus and docs)

• docs: install build dependencies to generate docs

• dbus: install dependencies needed by tube service or dvbd storage

• gstreamer: needed if you use GStreamerPlayer

• picasa: needed by the picasa storage

• youtube: needed by the youtube backend

Quickstart

To just export some files on your hard-disk fire up Cohen with an UPnP MediaServer with a file-system backend enabled:

$ cohen3 --plugin=backend:FSStore,content:/path/to/your/media/files

You can also configure cohen via a config file. Feel free to check our example misc/cohen.conf.example. The config file can be placed anywhere, cohen looks by default for $HOME/.cohen, but you can pass the path via the command line option ‘-c’ to it too:

$ cohen3 -c /path/to/config/file

For developers

Starting from version 0.9.0 the event system has changed from louie/dispatcher to EventDispatcher (external dependency). Here are the most important changes:

• The new event system is not a global dispatcher anymore

• All the signal/receivers are connected between them only if it is necessary.

• We don’t connect/disconnect anymore, instead we will bind/unbind.

• The events has been renamed (this is necessary because the old event names contains dots in his names, and this could cause troubles with the new event system)

Please, check the documentation for further details at “The events system” section.

Contributing

Report bugs at https://github.com/opacam/Cohen3/issues

Feel free to fetch the repo and send your pull requests!