churro_remove_file_flush_issue.py

import churro
import transaction
import shutil
import os.path

def test(dbpath):
    db = churro.Churro(dbpath)
    root = db.root()
    root["a"] = churro.Persistent()

    transaction.commit()

    db = churro.Churro(dbpath)
    root = db.root()

    del root["a"]
    db.flush()
    root["b"] = churro.Persistent()

    try:
        db.flush()
    except FileNotFoundError as why:
        print(why)
    finally:
        transaction.abort()

if __name__ == "__main__":
    dbpath = "./churrodata"
    assert not os.path.exists(dbpath)

    try:
        test(dbpath)
    finally:
        shutil.rmtree(dbpath)