Planned out design. Started laying out class/method structure.

apps/cli/utilities/wksp0/docs/make.bat

+@ECHO OFF
+
+pushd %~dp0
+
+REM Command file for Sphinx documentation
+
+if "%SPHINXBUILD%" == "" (
+	set SPHINXBUILD=sphinx-build
+)
+set SOURCEDIR=.
+set BUILDDIR=_build
+
+if "%1" == "" goto help
+
+%SPHINXBUILD% >NUL 2>NUL
+if errorlevel 9009 (
+	echo.
+	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
+	echo.installed, then set the SPHINXBUILD environment variable to point
+	echo.to the full path of the 'sphinx-build' executable. Alternatively you
+	echo.may add the Sphinx directory to PATH.
+	echo.
+	echo.If you don't have Sphinx installed, grab it from
+	echo.http://sphinx-doc.org/
+	exit /b 1
+)
+
+%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+goto end
+
+:help
+%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+
+:end
+popd

apps/cli/utilities/wksp0/experiments/cat-grep.dag

+JOB cat cat.condor
+JOB grep grep.condor
+PARENT cat CHILD grep

apps/cli/utilities/wksp0/experiments/cat.condor

+executable = /bin/cp
+arguments = /home/casa/capo/nmtest.properties contents.txt
+log = condor.log
+
+queue
+

apps/cli/utilities/wksp0/experiments/grep-uniq.dag

+JOB grep grep2.condor
+JOB uniq uniq.condor
+PARENT grep CHILD uniq

apps/cli/utilities/wksp0/experiments/grep.condor

+executable = /bin/grep
+arguments = "username contents.txt"
+output = usernames.txt
+error = grep.err
+transfer_input_files = contents.txt
+log = condor.log
+
+queue

apps/cli/utilities/wksp0/experiments/grep2.condor

+executable = /bin/grep
+arguments = "username nmtest.properties"
+should_transfer_files = YES
+transfer_input_files = /home/casa/capo/nmtest.properties
+output = raw-usernames.txt
+error = grep.err
+log = condor.log
+
+queue

apps/cli/utilities/wksp0/experiments/hello.condor

+executable = hello.sh
+log = condor.log
+queue

apps/cli/utilities/wksp0/experiments/hello.sh

+#!/bin/sh
+
+echo "Hello, world!"
+exit 1

apps/cli/utilities/wksp0/experiments/map-reduce/grep-sort.dag

+JOB username grep.condor
+VARS username search="username" file="/home/casa/capo/nmtest.properties"
+
+JOB password grep.condor
+VARS password search="password" file="/home/casa/capo/nmtest.properties"
+
+JOB sort sort.condor
+
+PARENT username password CHILD sort

apps/cli/utilities/wksp0/experiments/map-reduce/grep.condor

+executable = grep.sh
+arguments = "$(search) $(file) $(search).grep-out"
+should_transfer_files = YES
+transfer_input_files = $(file)
+log_file = condor.log
+queue

apps/cli/utilities/wksp0/experiments/map-reduce/grep.sh

+#!/bin/sh
+
+grep $1 $2 > $3
+

apps/cli/utilities/wksp0/experiments/map-reduce/sort.condor

+executable = sort.sh
+arguments = "combined.txt"
+should_transfer_files = YES
+transfer_input_files = username.grep-out,password.grep-out
+log_file = condor.log
+queue

apps/cli/utilities/wksp0/experiments/map-reduce/sort.sh

+#!/bin/sh
+
+cat *.grep-out | sort > $1

apps/cli/utilities/wksp0/experiments/uniq.condor

+executable = uniq.sh
+arguments = raw-usernames.txt
+output = unique-usernames.txt
+error = uniq.err
+log = condor.log
+
+queue

apps/cli/utilities/wksp0/experiments/uniq.sh

+#!/bin/sh
+
+cut -f2 -d= "$1" | sed 's/[ \t]*\([^ \t]*\).*/\1/g' | sort | uniq

apps/cli/utilities/wksp0/setup.py

+#!/usr/bin/env python
+
+from setuptools import setup, find_packages
+
+setup(name='wksp0',
+      version='1.0rc1',
+      description='NRAO Archive Workspace Subsystem Prototype 0',
+      author='Daniel K Lyons',
+      author_email='dlyons@nrao.edu',
+      url='https://open-bitbucket.nrao.edu/projects/SSA/repos/wksp0/browse',
+      packages=find_packages(),
+      test_suite='tests',
+      install_requires=[
+            'injector >= 0.17',
+            'htcondor >= 8.9',
+            'pystache >= 0.5'
+      ],
+      extras_require={
+            'dev': ['sphinx >= 2.2', 'sphinx_rtd_theme']
+      },
+      entry_points={
+            'console_scripts': [
+                  'run = wksp.run_capability:main',
+                  'run_workflow = wksp.run_workflow:main'
+            ],
+      })

apps/cli/utilities/wksp0/tests/architectural/test_ifaces.py

+import unittest
+import inspect
+from typing import List
+
+import wksp.ifaces
+
+
+def interface_methods(klass) -> List[str]:
+    """
+    Return the names of methods on the supplied class
+    :param klass:   the class to get methods from
+    :return:        the names of the methods on klass
+    """
+    return [x for (x, _) in inspect.getmembers(klass, predicate=inspect.isfunction)]
+
+
+class TestInterfaces(unittest.TestCase):
+    """
+    Ensure that the interfaces have exactly the methods we think they have, and no more or less.
+    """
+    def test_capability_info(self):
+        methods = interface_methods(wksp.ifaces.CapabilityInfo)
+        self.assertEqual(len(methods), 2, "CapabilityInfo should have two methods")
+        self.assertIn("lookup_capability", methods, "CapabilityInfo should have a method lookup_capability")
+        self.assertIn("lookup_capability_request", methods,
+                      "CapabilityInfo should have a method lookup_capability_request")
+