Bug 1755362 - Skip fetching source of missing revisions. r=dom-storage-reviewers,jstutte

def getMetricsJson(src_url):

    if src_url.startswith("http"):

        print("Fetching source for function extraction: {}".format(src_url))

        metrics = subprocess.check_output(["./fetch_fn_names.sh", src_url])

    else:

        print("Skip fetching source: {}".format(src_url))

        metrics = ""

    try:

        return json.loads(metrics)