disable syncing and deck exports for v2 sched

anki/exporting.py

@@ -263,6 +263,9 @@ class AnkiPackageExporter(AnkiExporter):
         z.close()
 
     def doExport(self, z, path):
+        if self.col.schedVer() != 1:
+            raise Exception("Experimental scheduler currently doesn't support deck exports.")
+
         # export into the anki2 file
         colfile = path.replace(".apkg", ".anki2")
         AnkiExporter.exportInto(self, colfile)

anki/sync.py

@@ -35,6 +35,11 @@ class Syncer:
         # if the deck has any pending changes, flush them first and bump mod
         # time
         self.col.save()
+
+        if self.col.schedVer() != 1:
+            self.syncMsg = "Experimental scheduler currently doesn't support syncing."
+            return "serverAbort"
+
         # step 1: login & metadata
         runHook("sync", "login")
         meta = self.server.meta()