# delete theme engine dll
    def clear_dll(self, dll):
        for fn in dll:
            os.remove(self.theme_dir + fn)

    # instantiate pluginconf.dependency()
    def deps(self, theme):
        d = pluginconf.dependency()
        self.deps = pluginconf.dependency(add = dict(
        d.have.update(dict([name, {"version": str(ver)}] for name,ver in [
            ("gtk", ".".join(str(i) for i in uikit.gtk.gtk_version)),
            ("gtk2", "2" if uikit.ver == 2 else "-1"),
            ("gtk3", "3" if uikit.ver == 3 else "-1"),
            ("linux", "-1" if conf.windows else "4.0.0"),
            ("win32", "6.1" if conf.windows else "-1")
        ]))
            gtk = uikit.gtk.gtk_version,
            gtk2 = uikit.ver == 2,
            gtk3 = uikit.ver == 3,
            linux = "-1" if conf.windows else "3.0.0",
            win32 = "6.1" if conf.windows else "-1"
        )).depends
        #log.HAVE(dict((k,d.have[k].get("version")) for k in d.have))
        self.deps = d.depends
        return self.deps(theme)