How to use the ocrd.cli.workspace.workspace_cli function in ocrd

file_grp,
                ID=ID,
                content=content,
                pageId=page_id,
                mimetype=mimetype,
                local_filename=local_filename
            )
            ws_api.save_mets()
            #  mets_api = ws_api.mets.to_xml().decode('utf8')

        with TemporaryDirectory() as tempdir:
            ws_api = self.resolver.workspace_from_nothing(directory=tempdir)
            content_file = join(tempdir, 'testfile')
            with open(content_file, 'w') as f:
                f.write(content)
                result = self.runner.invoke(workspace_cli, [
                    '-d', tempdir,
                    'add',
                    '--file-grp', file_grp,
                    '--page-id', page_id,
                    '--file-id', ID,
                    '--mimetype', mimetype,
                    content_file
                ])
                self.assertEqual(result.exit_code, 0)
                # TODO too complex to compare :(
                #  with open(join(tempdir, 'mets.xml')) as f:
                #      mets_cli = f.read()
                #  print(mets_api)
                #  print(mets_cli)
                #  self.assertEqual(mets_api, mets_cli)
                #  print(result.output)

def test_add_existing_checked(self):
        ID = 'foo123file'
        page_id = 'foo123page'
        file_grp = 'TEST_GROUP'
        mimetype = 'image/tiff'
        with TemporaryDirectory() as tempdir:
            content_file = join(tempdir, 'test.tif')
            ws = self.resolver.workspace_from_nothing(directory=tempdir)
            ws.save_mets()
            with open(content_file, 'w') as f:
                f.write('x')
            result = self.runner.invoke(workspace_cli, [
                '-d', tempdir,
                'add',
                '-C',
                '--file-grp', file_grp,
                '--page-id', page_id,
                '--file-id', ID,
                '--mimetype', mimetype,
                content_file])
            self.assertEqual(result.exit_code, 0)
            ws.reload_mets()
            f = ws.mets.find_files()[0]
            self.assertEqual(f.url, 'test.tif')

from ocrd.cli.bashlib import bashlib_cli
from ocrd.cli.validate import validate_cli
from ocrd.decorators import ocrd_loglevel
from .zip import zip_cli
from .log import log_cli

@click.group()
@click.version_option()
@ocrd_loglevel
def cli(**kwargs): # pylint: disable=unused-argument
    """
    CLI to OCR-D
    """

cli.add_command(ocrd_tool_cli)
cli.add_command(workspace_cli)
cli.add_command(process_cli)
cli.add_command(bashlib_cli)
cli.add_command(zip_cli)
cli.add_command(validate_cli)
cli.add_command(log_cli)