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hedweb

Documentation Status

This project contains the web interface code for deploying HED tools as a web application running in a docker module.
The instructions assume that you have cloned the hed-web GitHub repository:

git clone https://github.com/hed-standard/hed-web

Running locally

The application can be run locally on an internal test web server by calling the runserver application directly. To do this you will have to do the following:

  1. Set up a config.py in the same directory as config_template.py.

    1. Copy config_template.py to config.py
    2. Change BASE_DIRECTORY in the Config class to point to the directory that you want the application to use to temporarily store uploads and to cache the HED schema.
  2. Use pip to install hedtools from the GitHub repository:

        pip install git+https://github.com/hed-standard/hed-python/@master
    

Once this installation is complete, you can execute runserver. This call should bring up a Flask test server. Paste the indicated link into a web browser, and you are ready to go.

Deployment on an external webserver

Overview

The deploy_hed directory contains scripts and configuration files that are needed to deploy the application as a docker container. These instructions assume that you have a Linux server with apache2 and docker installed.

The current setup assumes that an apache web server runs inside a docker container using internal port 80. The docker container listens to requests on port 33000 from the local host IP (assumed to be 127.0.0.1) of the Linux server running the docker container. Docker forwards these requests and subsequent responses to and from its internal server running on port 80.

If you are on the Linux server, you can run the online tools directly in a web browser using the address http://127.0.0.1:33000/hed. In a production environment, the tools are meant to be run through an Apache web server with proxies. The description of how to set this up is described elsewhere.

Deploying the docker module

The instructions assume that you are in your home directory on the Linux server. The deployment will use your home directory as a temporary staging area. The instructions assume that you have DOCKER installed.

  1. Make a deployment directory, say deploy_hed.
  2. Download the hed-web deployment script to your deploy_hed directory.
  3. Change to the deploy_hed directory:
   cd ~/deploy_hed
  1. Execute the deploy.sh script:
   sudo bash deploy.sh

The deploy.sh script will download the latest versions of the hed-python and the hed-web repositories and deploy.

Branches and versions

The web tools are built on the hedtools package housed in the hed-python GitHub repository. The tools are related to the hed-specification and hed-schemas repositories. The branches correspond as follows:

Branch Meaning Synchronized with
stable Tagged as a released version - will not change. stable@hed-python
stable@hed-specification
stable@hed-examples
master Most recent usable version.
https://hedtools/edu/hed.
master@hed-python
master@hed-specification
main@hed-examples
develop Experimental and evolving.
https://hedtools/edu/hed_dev.
develop@hed-python
develop@hed-specification
develop@hed-examples

As features are integrated, they first appear in the develop branches of the repositories. The develop branches of the repositories will be kept in sync as much as possible If an interface change in hed-python triggers a change in hed-web or hed-examples, every effort will be made to get the master/main branches of the respective repositories in sync. The stable version refers to the last officially released version. It generally refers to a version without the latest features.

API documentation is generated on ReadTheDocs when a new version is pushed on any of the three branches. For example, the API documentation for the latest branch can be found on hed-python.readthedocs.io/en/latest/.

More information about using the webtools can be found at https://www.hed-resources.org.