find_missing_provenance

import synapseclient
from multiprocessing.dummy import Pool
mp = Pool(5)
syn = synapseclient.login()

def prov(x):
    try:
        return syn.getProvenance(x)
    except synapseclient.exceptions.SynapseHTTPError:
      return None

ids = [i['file.id'] for i in syn.chunkedQuery("select id from file where projectId=='syn1773109'")]
time activities = mp.map(prov, ids)
idsWMissingProv = [id for id, act in zip(ids, activities) if act is None]