templates.py 文件源码

def make_writeable(self, filename):
        """
        Make sure that the file is writeable.
        Useful if our source is read-only.
        """
        if sys.platform.startswith('java'):
            # On Jython there is no os.access()
            return
        if not os.access(filename, os.W_OK):
            st = os.stat(filename)
            new_permissions = stat.S_IMODE(st.st_mode) | stat.S_IWUSR
            os.chmod(filename, new_permissions)