Given the difficulties in maintaining the Python client, we need to provide a simple to use Java client, separate from the Maven plugin. We actually have an command-line implementation already, named ZanataClient, but it needs to be updated, tested and maintained. We would also need to add a shell script to invoke the Java client. Also, we need to package the client for Fedora and EPEL. We would need to get some of its dependencies (including the Zanata API) packaged for Fedora and/or EPEL. An extension to this (involving more work) would be another command which maintains backwards compatibility with the old Python client's option names.
This was implemented some time ago. (Apart from Python client option compatibility.) The Fedora package is called zanata-client (thanks pahuang!): https://apps.fedoraproject.org/packages/zanata-client Note: we weren't able to package zanata-client for EPEL because of missing/outdated dependencies. However, we also have zanata-client-ivy for non-Fedora users: https://github.com/zanata/zanata-client-ivy
VERIFIED with zanata-cli-2.2.0