def test_commit_serialization(self):
        assert_commit_serialization(self.gitrwrepo, '58c78e6', True)

        rwrepo = self.gitrwrepo
        make_object = rwrepo.odb.store
        # direct serialization - deserialization can be tested afterwards
        # serialization is probably limited on IO
        hc = rwrepo.commit(rwrepo.head)

        nc = 5000
        st = time()
        for i in xrange(nc):
            cm = Commit(rwrepo, Commit.NULL_BIN_SHA, hc.tree,
                        hc.author, hc.authored_date, hc.author_tz_offset,
                        hc.committer, hc.committed_date, hc.committer_tz_offset,
                        str(i), parents=hc.parents, encoding=hc.encoding)

            stream = BytesIO()
            cm._serialize(stream)
            slen = stream.tell()
            stream.seek(0)

            cm.binsha = make_object(IStream(Commit.type, slen, stream)).binsha
        # END commit creation
        elapsed = time() - st

        print("Serialized %i commits to loose objects in %f s ( %f commits / s )"
              % (nc, elapsed, nc / elapsed), file=sys.stderr)
dataset/ETHPy150Open gitpython-developers/GitPython/git/test/performance/test_commit.py/TestPerformance.test_commit_serialization/original