Added django command to generate random serial numbers.

lms/djangoapps/licenses/management/commands/generate_serial_numbers.py

+import os.path
+from uuid import uuid4
+from optparse import make_option
+
+from django.utils.html import escape
+from django.core.management.base import BaseCommand, CommandError
+
+from xmodule.modulestore.django import modulestore
+
+from licenses.models import CourseSoftware, UserLicense
+
+
+class Command(BaseCommand):
+    help = """Generate random serial numbers for software used in a course.
+
+    Usage: generate_serial_numbers <course_id> <software_name> <count>
+
+    <count> is the number of numbers to generate.
+
+    Example:
+
+       import_serial_numbers MITx/6.002x/2012_Fall matlab 100
+
+    """
+    args = "course_id software_id count"
+
+    def handle(self, *args, **options):
+        """
+        """
+        course_id, software_name, count = self._parse_arguments(args)
+
+        software, _ = CourseSoftware.objects.get_or_create(course_id=course_id,
+                                                           name=software_name)
+        self._generate_serials(software, count)
+
+    def _parse_arguments(self, args):
+        if len(args) != 3:
+            raise CommandError("Incorrect number of arguments")
+
+        course_id = args[0]
+        courses = modulestore().get_courses()
+        known_course_ids = set(c.id for c in courses)
+
+        if course_id not in known_course_ids:
+            raise CommandError("Unknown course_id")
+
+        software_name = escape(args[1].lower())
+
+        try:
+            count = int(args[2])
+        except ValueError:
+            raise CommandError("Invalid <count> argument.")
+
+        return course_id, software_name, count
+
+    def _generate_serials(self, software, count):
+        print "Generating {0} serials".format(count)
+
+        # add serial numbers them to the database
+        for _ in xrange(count):
+            serial = str(uuid4())
+            license = UserLicense(software=software, serial=serial)
+            license.save()
+
+        print "{0} new serial numbers generated.".format(count)

lms/djangoapps/licenses/management/commands/import_serial_numbers.py

 import os.path
-
 from optparse import make_option
 
 from django.utils.html import escape