doctest.py 文件源码

def debug_script(src, pm=False, globs=None):
    "Debug a test script.  `src` is the script, as a string."
    import pdb

    if globs:
        globs = globs.copy()
    else:
        globs = {}

    if pm:
        try:
            exec(src, globs, globs)
        except:
            print(sys.exc_info()[1])
            p = pdb.Pdb(nosigint=True)
            p.reset()
            p.interaction(None, sys.exc_info()[2])
    else:
        pdb.Pdb(nosigint=True).run("exec(%r)" % src, globs, globs)