ChainerUI: User Interface for Chainer
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ChainerUI is a visualization and management tool for Chainer.


To install ChainerUI, use pip.

$ pip install chainerui

To install ChainerUI from source.

$ git clone
$ cd chainerui/frontend
$ npm install && npm run build && cd ..
$ pip install -e .
  • ChainerUI uses sqlite3 module which is included in the standard Python library. If Python is built from source, sqlite3 must be installed before building Python.
    • On Ubuntu, "libsqlite3-dev" must be installed before building Python ($ apt-get install libsqlite3-dev).
    • On Windows, install Visual C++ Build Tools with the Default Install setting before building Python.

Quick start

Initialize ChainerUI database.

$ chainerui db create
$ chainerui db upgrade

Clone examples of train log and create a project.

$ git clone
$ cd chainerui

$ # create your first project
$ chainerui project create -d examples -n example-project

$ # run ChainerUI server
$ chainerui server

Open http://localhost:5000/ and select "example-project".

For more detailed usage, see getting started

Docker start

Get Docker container from DockerHub and start ChainerUI server. The container has installed ChainerUI module, setup a DB and a command to start the server.

$ git clone
$ cd chainerui

$ # replace tag to the latest version number
$ docker pull chainer/chainerui:v0.4.0
$ docker run -d -p 5000:5000 -v $PWD:/projects --name chainerui chainer/chainerui:v0.4.0

$ # then ChainerUI server is running
$ # create project via HTTP
$ curl http://localhost:5000/api/v1/projects -X POST -H "Content-Type: application/json" -d '{"project":{"name":"example-project","path_name":"/projects/examples"}}'

Open http://localhost:5000/ and select "example-project".

For more detailed usage, see docker start

Browser compatibility

ChainerUI is supported by the latest stable version of the following browsers.

  • Firefox
  • Chrome


MIT License


Any contribution to ChainerUI is welcome!

Run tests

Install "pytest" package and run test

$ CHAINERUI_ENV=test pytest

Build client side JS

$ cd frontend
$ npm install
$ npm run build:watch