import tarfile, os import cfg class Opk: valid_control_fields = ["Package", "Version", "Depends", "Provides",\ "Replaces", "Conflicts", "Suggests", "Recommends",\ "Section", "Architecture", "Maintainer", "MD5Sum",\ "Size", "InstalledSize", "Filename", "Source",\ "Description", "OE", "Homepage", "Priority",\ "Conffiles"] def __init__(self, **control): for k in control.keys(): if k not in self.valid_control_fields: raise Exception("Invalid control field: " "{}".format(k)) self.control = control def write(self, tar_not_ar=False, data_files=None): filename = "{Package}_{Version}_{Architecture}.opk"\ .format(**self.control) if os.path.exists(filename): os.unlink(filename) if os.path.exists("control"): os.unlink("control") if os.path.exists("control.tar.gz"): os.unlink("control.tar.gz") if os.path.exists("data.tar.gz"): os.unlink("data.tar.gz") f = open("control", "w") for k in self.control.keys(): f.write("{}: {}\n".format(k, self.control[k])) f.close() tar = tarfile.open("control.tar.gz", "w:gz") tar.add("control") tar.close() tar = tarfile.open("data.tar.gz", "w:gz") if data_files: for df in data_files: tar.add(df) tar.close() if tar_not_ar: tar = tarfile.open(filename, "w:gz") tar.add("control.tar.gz") tar.add("data.tar.gz") tar.close() else: os.system("ar q {} control.tar.gz data.tar.gz \ 2>/dev/null".format(filename)) os.unlink("control") os.unlink("control.tar.gz") os.unlink("data.tar.gz") class OpkGroup: def __init__(self): self.opk_list = [] def add(self, **control): self.opk_list.append(Opk(**control)) def write_opk(self, tar_not_ar=False): for o in self.opk_list: o.write(tar_not_ar) def write_list(self, filename="Packages"): f = open(filename, "w") for opk in self.opk_list: for k in opk.control.keys(): f.write("{}: {}\n".format(k, opk.control[k])) f.write("Filename: {Package}_{Version}_{Architecture}" ".opk\n".format(**opk.control)) f.write("\n") f.close() def regress_init(): """ Initialisation and sanity checking. """ if not os.access(cfg.opkgcl, os.X_OK): print("Cannot exec {}".format(cfg.opkgcl)) exit(False) os.chdir(cfg.opkdir) odir = "{}/usr/lib/opkg".format(cfg.offline_root) os.system("rm -fr {}".format(odir)) os.mkdir(odir)