Improve conv tool to convert all old graphs

bin/conv.py

@@ -11,23 +11,42 @@ from backend.crawler import convert_crawl, net_to_json
 from bgpdata.models import CrawlRun
 
 
+def _convert_crawl(crawl):
+    net = convert_crawl(crawl)
+    if net.nodes and net.edges:
+        crawl.graph = net_to_json(net)
+        crawl.save()
+        print("Crawl {} updated".format(crawl.id))
+    else:
+        print("Crawl {} had no nodes or edges, abort".format(crawl.id))
+
+
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument("-c", "--crawl-id", type=int)
+    parser.add_argument("-a", "--all", default=False, action="store_true")
+    parser.add_argument("-e", "--empty-graph-only", default=False, action="store_true")
     args = parser.parse_args()
 
-    try:
-        crawl = CrawlRun.objects.get(pk=args.crawl_id)
-    except CrawlRun.DoesNotExist:
-        parser.error("CrawlRun with id {} does not exist".format(args.crawl_id))
+    if args.crawl_id and args.all:
+        parser.error("-c and -a don't work together")
 
-    net = convert_crawl(crawl)
-    if net.nodes and net.edges:
-        crawl.graph = net_to_json(net)
-        crawl.save()
-        print("Crawl updated")
+    if args.crawl_id:
+        try:
+            crawl = CrawlRun.objects.get(pk=args.crawl_id)
+        except CrawlRun.DoesNotExist:
+            parser.error("CrawlRun with id {} does not exist".format(args.crawl_id))
+        _convert_crawl(crawl)
+    elif args.all:
+        if args.empty_graph_only:
+            crawls = CrawlRun.objects.filter(graph='')
+        else:
+            crawls = CrawlRun.objects.all()
+
+        for crawl in crawls:
+            _convert_crawl(crawl)
     else:
-        print("Crawl had no nodes or edges, abort")
+        parser.error("Either specify a crawl with -c or use -a for all")
 
 
 if __name__ == '__main__':