added a method to automate python converage in the django module

modules/django.py

@@ -62,7 +62,7 @@ def commandline(args="", workingdir=None):
 
 
 @task
-def manage(args="", workingdir=None):
+def manage(args="", workingdir=None, prefix=None, suffix=None):
     configuration = env.config
 
     # changes the working directory to the djangoroot
@@ -71,12 +71,14 @@ def manage(args="", workingdir=None):
     with virtualenv():
         if workingdir:
             with cd(workingdir):
-                fabcommand = "{djangoroot}/manage.py {args} " \
+                fabcommand = "{prefix} {djangoroot}/manage.py {args} " \
                     "--pythonpath='{djangoroot}' " \
-                    "--settings={djangosettings}".format(
+                    "--settings={djangosettings} {suffix}".format(
+                        prefix=prefix,
                         djangoroot=configuration.paths.django.root,
                         args=args,
                         djangosettings=configuration.imports.settings,
+                        suffix=suffix
                     )
 
                 if env.debug:
@@ -89,12 +91,14 @@ def manage(args="", workingdir=None):
                         shell='/bin/bash')
 
         with cd(configuration.paths.django.root):
-            cmd = "{djangoroot}/manage.py {args} " \
+            cmd = "{prefix} {djangoroot}/manage.py {args} " \
                     " --pythonpath='{djangoroot}' " \
-                    "--settings={djangosettings}".format(
+                    "--settings={djangosettings} {suffix}".format(
+                        prefix=prefix,
                         djangoroot=configuration.paths.django.root,
                         args=args,
-                        djangosettings=configuration.imports.settings,)
+                        djangosettings=configuration.imports.settings,
+                        suffix=suffix)
 
             if env.debug:
                 print("command: with cd(%s)" % configuration.paths.django.root)
@@ -118,6 +122,51 @@ def manage(args="", workingdir=None):
     # shell='/bin/bash' in all uses of local!
 
 
+@task
+def coverage(args="help", workingdir=None, outputdir=None,
+             report=True, html=True):
+    """
+    helper method that uses the coverage package
+
+    TODO: test if coverage is installed and if it isn't give
+    an error explaining the problem
+    """
+    configuration = env.config
+
+    prefix = "coverage run"
+
+    suffix = ""
+
+    if report:
+        suffix += "&& coverage report"
+
+    if html:
+        suffix += "&& coverage html"
+
+    if outputdir:
+        outputpath = outputdir
+
+    else:
+        outputpath = "{projectroot}/share".format(
+            projectroot=configuration.paths.project.root,
+            outputdir=outputdir)
+
+    outputpath += "/htmlcov"
+    suffix += " -d %s" % outputpath
+
+    if env.debug:
+        print("args: %s" % args)
+        print("workigindir: %s" % args)
+        print("\noutput directory: %s" % outputdir)
+        print("full output path: %s" % outputpath)
+        print("\nis report: %s" % report)
+        print("is html: %s" % html)
+        print("\nprefix: %s" % prefix)
+        print("suffix: %s" % suffix)
+
+    manage(args=args, workingdir=workingdir, prefix=prefix, suffix=suffix)
+
+
 @task
 def admin(args="help"):
     configuration = env.config