def prepare_dependencies(self):
        """
        Prepares a FileBuildInfo object for explaining what changed

        The bsources, bdepends and bimplicit lists have all been
        stored on disk as paths relative to the top-level SConstruct
        directory.  Convert the strings to actual Nodes (for use by the
        --debug=explain code and --implicit-cache).
        """
        attrs = [
            ('bsources', 'bsourcesigs'),
            ('bdepends', 'bdependsigs'),
            ('bimplicit', 'bimplicitsigs'),
        ]
        for (nattr, sattr) in attrs:
            try:
                strings = getattr(self, nattr)
                nodeinfos = getattr(self, sattr)
            except __HOLE__:
                continue
            nodes = []
            for s, ni in zip(strings, nodeinfos):
                if not isinstance(s, SCons.Node.Node):
                    s = ni.str_to_node(s)
                nodes.append(s)
            setattr(self, nattr, nodes)
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/FileBuildInfo.prepare_dependencies