def get_csig(self):
        contents = self.get_contents()
        return SCons.Util.MD5signature(contents)
Compute the content signature for Directory nodes. In
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/Dir.get_csig