command for dumping apps and versions (bug 598180)

apps/applications/management/commands/dump_apps.py

@@ -0,0 +1,29 @@
+import json
+import os
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+import amo
+from applications.models import Application, AppVersion
+
+
+# The validator uses the file created here to keep up to date with the
+# apps and versions on AMO.
+class Command(BaseCommand):
+    help = 'Dump a json file containing AMO apps and versions.'
+
+    JSON_PATH = os.path.join(settings.NETAPP_STORAGE, 'apps.json')
+
+    def handle(self, *args, **kw):
+        apps = {}
+        for id, guid in Application.objects.values_list('id', 'guid'):
+            apps[id] = dict(guid=guid, versions=[],
+                            name=amo.APPS_ALL[id].short)
+        versions = (AppVersion.objects.values_list('application', 'version')
+                    .order_by('version_int'))
+        for app, version in versions:
+            apps[app]['versions'].append(version)
+        apps[amo.FIREFOX.id]['versions'].append('4.0.*')  # bug 613234
+        with open(self.JSON_PATH, 'w') as f:
+            json.dump(apps, f)