Add a tool to save/restore user passwords.

(imported from commit 59bea04308bc0c42aeef840aa923dbef1919d31d)

zephyr/management/commands/dump_passwords.py

@@ -0,0 +1,28 @@
+from optparse import make_option
+from django.core.management.base import BaseCommand
+from zephyr.models import User
+import simplejson
+
+def dump():
+    passwords = []
+    for u in User.objects.all():
+        passwords.append((u.email, u.password))
+    file("dumped-passwords", "w").write(simplejson.dumps(passwords) + "\n")
+
+def restore(change):
+    for (email, password) in simplejson.loads(file("dumped-passwords").read()):
+        user = User.objects.get(email__iexact=email)
+        if change:
+            user.password = password
+            user.save()
+
+class Command(BaseCommand):
+    option_list = BaseCommand.option_list + (
+        make_option('--restore', default=False, action='store_true'),
+        make_option('--dry-run', '-n', default=False, action='store_true'),)
+
+    def handle(self, *args, **options):
+        if options["restore"]:
+            restore(change=not options['dry_run'])
+        else:
+            dump()