scriptutils.py 文件源码

def FindTabNanny():
    try:
        return __import__("tabnanny")
    except ImportError:
        pass
    # OK - not in the standard library - go looking.
    filename = "tabnanny.py"
    try:
        path = win32api.RegQueryValue(win32con.HKEY_LOCAL_MACHINE, "SOFTWARE\\Python\\PythonCore\\%s\\InstallPath" % (sys.winver))
    except win32api.error:
        print("WARNING - The Python registry does not have an 'InstallPath' setting")
        print("          The file '%s' can not be located" % (filename))
        return None
    fname = os.path.join(path, "Tools\\Scripts\\%s" % filename)
    try:
        os.stat(fname)
    except os.error:
        print("WARNING - The file '%s' can not be located in path '%s'" % (filename, path))
        return None

    tabnannyhome, tabnannybase = os.path.split(fname)
    tabnannybase = os.path.splitext(tabnannybase)[0]
    # Put tab nanny at the top of the path.
    sys.path.insert(0, tabnannyhome)
    try:
        return __import__(tabnannybase)
    finally:
        # remove the tab-nanny from the path
        del sys.path[0]