try: import btree except ImportError: print("SKIP") import sys sys.exit() db = btree.open(None) db[b"foo3"] = b"bar3" db[b"foo1"] = b"bar1" db[b"foo2"] = b"bar2" db[b"bar1"] = b"foo1" print(db[b"foo2"]) try: print(db[b"foo"]) except KeyError: print("KeyError") print(db.get(b"foo")) print(db.get(b"foo", b"dflt")) del db[b"foo2"] try: del db[b"foo"] except KeyError: print("KeyError") for k, v in db.items(): print((k, v)) print("---") for k, v in db.items(None, None): print((k, v)) print("---") for k, v in db.items(b"f"): print((k, v)) print("---") for k, v in db.items(b"f", b"foo3"): print((k, v)) print("---") for k, v in db.items(None, b"foo3"): print((k, v)) print("---") for k, v in db.items(b"f", b"foo3", btree.INCL): print((k, v)) print("---") for k, v in db.items(None, None, btree.DESC): print((k, v)) print(list(db.keys())) print(list(db.values())) for k in db: print(k)