Merge pull request #5343 from benjaoming/clearuserdata

Prepare a device for cloning: Management command for clearing user data

docs/installguide/release_notes.rst

@@ -6,6 +6,12 @@ Release Notes
 
 This is a draft of what will be released. Notes are not fully accurate or final.
 
+New features
+^^^^^^^^^^^^
+
+ * New management command ``clearuserdata``, makes it easy to prepare a
+   prototype device for subsequent cloning. :url-issue:`5341`
+
 Bug fixes
 ^^^^^^^^^
 

kalite/distributed/management/commands/clearuserdata.py

@@ -0,0 +1,52 @@
+import os
+import shutil
+import sys
+
+from optparse import make_option
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    help = "Clear out all usage data (NOT including videos and content packs)"
+
+    option_list = BaseCommand.option_list + (
+        make_option('--noinput',
+            action='store_true',
+            dest='noinput',
+            default=False,
+            help='Do not warn, just clear out user data',
+        ),
+    )
+
+    def handle(self, *args, **options):
+
+        if not options['noinput']:
+
+            print (
+                "This will remove all usage data and device registration "
+                "permanently."
+            )
+            yn = raw_input("Are you sure? [y/n] ")
+            if yn.lower().strip() != "y":
+                print "No problem, have a nice day!"
+                sys.exit(0)
+
+        shutil.copy(
+            settings.DB_TEMPLATE_DEFAULT,
+            settings.DEFAULT_DATABASE_PATH
+        )
+
+        if os.path.exists(settings.SECRET_KEY_FILE):
+            os.unlink(settings.SECRET_KEY_FILE)
+
+        print ""
+        print "Successfully cleared out database and secret device key."
+        print ""
+        print (
+            "This device will automatically be re-initialized upon next "
+            "kalite start-up."
+        )
+        print ""
+        print "KA Lite installation is ready to be cloned to other devices."