Added CLI and refactored argument parsing

tests/test_cli.py

@@ -0,0 +1,21 @@
+import os
+import logging
+from functools import partial
+
+logger = logging.getLogger(__name__)
+
+from unittest import TestCase
+from senpy.cli import main_function
+from senpy.models import Error
+
+
+class CLITest(TestCase):
+
+    def test_basic(self):
+        self.assertRaises(Error, partial(main_function, []))
+        res = main_function(['--input', 'test'])
+        assert 'entries' in res
+        res = main_function(['--input', 'test', '--algo', 'rand'])
+        assert 'entries' in res
+        assert 'analysis' in res
+        assert res['analysis'][0]['name'] == 'rand'