Example #1
0
 def __init__(self, config, hash_key=""):
     """
         Initialize an EastwindPackage for install/dump
         config: path to config file
     """
     self.config = EastwindSet(os.path.expanduser(config))
     if hash_key == "":
         self.hash = utils.hash_name(self.config.name)
     else:
         self.hash = hash_key
     self.base_path = utils.app_path(os.path.join("package", self.hash, ""))
     self.config_manager = EastwindConfigManager(self.base_path)
     self.pkg_manager = EastwindPkgManager()
Example #2
0
class EastwindPackage:
    """ Handles a eastwind package """

    def __init__(self, config, hash_key=""):
        """
            Initialize an EastwindPackage for install/dump
            config: path to config file
        """
        self.config = EastwindSet(os.path.expanduser(config))
        if hash_key == "":
            self.hash = utils.hash_name(self.config.name)
        else:
            self.hash = hash_key
        self.base_path = utils.app_path(os.path.join("package", self.hash, ""))
        self.config_manager = EastwindConfigManager(self.base_path)
        self.pkg_manager = EastwindPkgManager()

    @classmethod
    def extract(self, pkg_path):
        """
            Extracting an EastwindPackage and turn it to a instance
            pkg_path: path to EastwindPackage, will expanded to user path
        """
        self.pkg_name = os.path.basename(pkg_path)
        tar = tarfile.open(os.path.expanduser(pkg_path), "r:gz")
        hash_name = utils.hash_name(pkg_path)
        dest_dir = utils.app_path(os.path.join("package", hash_name))
        tar.extractall(dest_dir)
        tar.close()

        config_file = os.path.join(dest_dir, "control")
        return EastwindPackage(config_file, hash_name)

    def unpack(self):
        """ Execute the actions in the package """
        action_friendly = {
            "source": "Add external sources",
            "install": "Install",
            "remove": "Remove",
            "update": "Update package list",
            "upgrade": "Upgrade installed packages",
            "config": "Add new configuration",
            "exec": "Execute external command",
            "download": "Download files",
        }
        print "Package name: %s" % self.pkg_name
        print "The following actions are going to be executed:"
        for action in self.config.actions:
            print "%s: %s" % (action_friendly[action.type], action.arg)

        print "Do you want to proceed? [y/N]",
        try:
            res = raw_input()
        except KeyboardInterrupt:
            res = "n"
        if "n" in res.lower():
            print "Aborted."
            return

        total = len(self.config.actions)
        for index, action in enumerate(self.config.actions):
            utils.slog("INFO", "Executing %d of %d actions ..." % (index + 1, total))
            print "%s: %s" % (action.type, action.arg)
            self.__react(action.type, action.arg)

    def pack(self, pkg_path):
        """
            Dump a EastwindPackage to a single package
            pkg_path: path to the target .eastwind file
        """
        for action in self.config.actions:
            if action.type == "config":
                self.config_manager.backup(action.arg)
        self.config.dump(os.path.join(self.base_path, "control"))
        self.config_manager.dump()
        tar = tarfile.open(os.path.expanduser(pkg_path), "w:gz")
        for item in os.listdir(self.base_path):
            tar.add(os.path.join(self.base_path, item), item)
        tar.close()

    def __react(self, action, arg):
        """
            React to different operations
            action: atomic action name, ex: source, install ...
            args: argument(s) for each atomic actions
        """
        if action == "source":
            self.pkg_manager.add_external_sources([arg])
        elif action == "install":
            self.pkg_manager.install([arg])
        elif action == "remove":
            self.pkg_manager.remove()
        elif action == "update":
            self.pkg_manager.update()
        elif action == "upgrade":
            self.pkg_manager.upgrade()
        elif action == "config":
            self.config_manager.recover(arg)
        elif action == "exec":
            subprocess.Popen(arg, shell=True).wait()
        elif action == "download":
            pass
        else:
            raise ValueError