journal.py 文件源码

def open_journal():
    """Make sure the journal dir exists (creating it if necessary)"""
    global journal_dir_rp, journal_dir_fp
    assert journal_dir_rp is journal_dir_fp is None
    journal_dir_rp = Globals.rbdir.append("journal")
    if not journal_dir_rp.lstat():
        log.Log("Creating journal directory %s" % (journal_dir_rp.path,), 5)
        journal_dir_rp.mkdir()
    assert journal_dir_rp.isdir()
    journal_dir_fp = journal_dir_rp.open("rb")