Index: tests/test_gen_requirements.py
===================================================================
diff -u
--- tests/test_gen_requirements.py	(revision 0)
+++ tests/test_gen_requirements.py	(revision 878d608b5b6e1974f14e3da2956ac8063e30bf14)
@@ -0,0 +1,130 @@
+###########################################################################
+#
+#  Copyright (c) 2019-2019 Diality Inc. - All Rights Reserved.
+#
+#  THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+#  WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+#
+#  @file test_demo.py
+#
+#  @date 15-May-2020
+#  @author P. Lucia
+#
+#  @brief This is a demo script to exercise the HD and DG.
+#
+############################################################################
+import sys
+sys.path.append("..")
+from dialin.dg.dialysate_generator import DG
+from dialin.hd.hemodialysis_device import HD
+from dialin.hd.constants import RESET, NO_RESET, BUTTON_PRESSED, BUTTON_RELEASED
+import time
+import pprint
+
+
+def test_dg_version():
+    """
+    Prints the DG version.
+
+    @return: None
+    """
+    dg = DG()
+    if dg.cmd_log_in_to_dg():
+        dg.cmd_ui_request_dg_version()
+        time.sleep(0.5)
+        print(dg.dg_version)
+
+
+def gen_publish_requirements(modules):
+    result = {}
+
+    for module in modules:
+        for attr in dir(module):
+            if not callable(getattr(module, attr)) and \
+            not attr.startswith("MSG") and \
+            not attr.startswith("START") and \
+            not attr.startswith("END") and \
+            not attr == "can_interface" and \
+            not attr.startswith("_") and \
+            not attr.isupper():
+                result[module.__class__.__name__] = result.get(module.__class__.__name__, []) + [attr]
+
+    # pp = pprint.PrettyPrinter(indent=4)
+    # pp.pprint(result)
+
+    for module, attrs in result.items():
+        print("\n{0} \n ".format(module))
+        for attr in attrs:
+            print("The Dialin API shall publish the {0} to all observers upon HD messaging.".format(attr.replace("_", " ")))
+
+    return result
+
+def gen_cmd_requirements(modules):
+
+    result = {}
+
+    for module in modules:
+        for attr in dir(module):
+            if callable(getattr(module, attr)) and attr.startswith("cmd"):
+                result[module.__class__.__name__] = result.get(module.__class__.__name__, []) + [attr]
+
+    # pp = pprint.PrettyPrinter(indent=4)
+    # pp.pprint(result)
+
+    for module, attrs in result.items():
+        print("\n{0} \n ".format(module))
+        for attr in attrs:
+            print("The Dialin API shall provide a command that constructs and sends the {0} command.".format(attr
+                .replace("_", " ")
+                .replace("cmd ", "")
+                .replace("uf", "UF")
+                .replace("ui", "UI")
+                ))
+
+    return result
+
+
+def gen_dg_requirements():
+    pass
+
+
+
+if __name__ == '__main__':
+    hd = HD()
+
+    result = {}
+
+    modules = [
+        hd.alarms,
+        hd.buttons,
+        hd.ui,
+        hd.rtc,
+        hd.watchdog,
+        hd.bloodflow,
+        hd.dialysate_inlet_flow,
+        hd.dialysate_outlet_flow,
+        hd.treatment,
+        hd.pressure_occlusion,
+        hd.buttons
+    ]
+    gen_publish_requirements(modules)
+    gen_cmd_requirements(modules)
+
+    dg = DG()
+
+    result = {}
+
+    modules = [
+        dg.hd_proxy,
+        dg.load_cells,
+        dg.pressures,
+        dg.reservoirs,
+        dg.valves,
+        dg.ro_pump,
+        dg.drain_pump,
+        # dg.heaters,
+        # dg.temperature_sensors
+    ]
+
+    gen_publish_requirements(modules)
+    gen_cmd_requirements(modules)