added error checking to django.coverage so that if no value is passed in to application, the program sends a message and exits

modules/django.py

@@ -7,10 +7,16 @@ import os
 import sys
 import pathlib
 
+
+ERRCODE_DJANGO_COVERAGE_NO_APPLICATION_PARAMETER_SET = -3
+
+
 dir_parent = pathlib.Path(os.path.abspath(__file__)).parents[2]
 sys.path.append(str(dir_parent))
 
 try:
+    import customfabric.modules.utils as modules_utils
+
     from customfabric.modules.utils import virtualenv
     from customfabric.modules.utils import loggify, print_run, booleanize
     from customfabric.modules.utils import generate_template_build_path
@@ -200,7 +206,7 @@ def coverage_test():
 
 
 @task
-def coverage(application, args="test", workingdir=None, outputdir=None,
+def coverage(application=None, args="test", workingdir=None, outputdir=None,
              coveragerc=True, report=True, html=True):
     """
     Helper method that uses the coverage package
@@ -208,6 +214,8 @@ def coverage(application, args="test", workingdir=None, outputdir=None,
     :parameter application: the name of the installed application being tested.
         NOTE: this is required because currently I do not know how to run
         manage.py test on all installed applications.
+
+        If no value is given, the program will give a message and exit.
     :type application:  str
 
     :parameter args: the manage command that coverage is going to run.
@@ -248,6 +256,17 @@ def coverage(application, args="test", workingdir=None, outputdir=None,
         method to specifically ask for the applications being used
     """
 
+    #
+    # make sure that the application parameter was set
+
+    if application is None:
+        modules_utils.printerr(
+            message="\nThe application parameter for django.coverage"
+            " was not set! Please make sure you have set application"
+            " to the application you wish to have coverage applied to!"
+            "\nExiting.",
+            errcode=ERRCODE_DJANGO_COVERAGE_NO_APPLICATION_PARAMETER_SET)
+
     configuration = env.config
 
     coverage_test()