Mercurial in memory commit

from mercurial.localrepo import localrepository
from mercurial. import ui
from mercurial.context import memctx,memfilectx

repo = localrepository(ui.ui(), "/path/to/repository/")
ctx = memctx(
    repo=repo,
    parents=("tip", None),
    text = "Commit Message",
    files = ['text.txt'],
    filectxfn = lambda repo, memctx, path: memfilectx(path, "text.txt file data", False, False, None),
    user = "Ian Lewis",
)

repo.commitctx(ctx)