Пример #1
0
    def uninstall(cls, args):
        import lodel.plugin.plugins
        from lodel.plugin.plugins import Plugin
        if len(args.archive) > 0:
            raise RuntimeError("Cannot uninstall plugin using -f --file \
options. Use -d --directory instead")
        to_delete = dict()  # will contain all pathes of plugins to delete
        errors = dict()
        # Uninstall by pathes
        if len(args.directory) > 0:
            # processing & checking -d --directory arguments
            for path in args.directory:
                apath = os.path.abspath(path)
                # We assume plugins are in lodel/plugins
                if not apath.startswith(lodel.plugins.PLUGINS_PATH):
                    errors[path] = "Not a subdir of %s"
                    errors[path] %= lodel.plugins.PLUGINS_PATH
                    continue
                try:
                    pinfos = Plugin.dir_is_plugin(apath)
                except Exception as e:
                    if not args.force:
                        errors[path] = e
                        continue
                to_delete[path] = pinfos

        # Uninstall by plugin's names
        # We retrieve the path of the plugin from its name
        if len(args.plugin_name) > 0:
            # Processing -n --plugin-name arguments
            plist = Plugin._discover(lodel.plugins.PLUGINS_PATH)
            for pinfos in plist:
                if pinfos['name'] in args.plugin_name:
                    to_delete[pinfos['path']] = pinfos

        # Manage errors and exit if there is no force option
        if len(errors) > 0:
            msg = "Following errors detected before begining deletions :\n"
            for path, errmsg in errors.items():
                msg += "\t- For %s : %s" % (path, errmsg)
            print(msg)
            if not args.force:
                exit(1)

        print("Begining deletion :")
        for path, pinfos in to_delete.items():
            # shutil.rmtree(path)
            print("rm -R %s" % path)
            print("\t%s(%s) in %s deleted" % (
                pinfos['name'], pinfos['version'], pinfos['path']))
Пример #2
0
    def install(cls, args):
        import lodel.plugin.plugins
        from lodel.plugin.plugins import Plugin
        from lodel.plugin.exceptions import PluginError

        # We can't install a plugin with just its name, we have to know where
        # it is
        if len(args.plugin_name) > 0:
            raise RuntimeError("Unable to install a plugin from its name !\
We do not know where to find it...")
        plist = Plugin.discover()
        errors = dict()

        # For now we do not handle archive for plugins
        if len(args.archive) > 0:
            raise NotImplementedError("Not supported yet")

        plugins_infos = {}
        for cur_dir in args.directory:
            # Check that the directories obtained correspond to plugins
            try:
                res = Plugin.dir_is_plugin(cur_dir, assert_in_package=False)
                if res is False:
                    errors[cur_dir] = PluginError("Not a plugin")
                else:
                    plugins_infos[res['name']] = res
            except Exception as e:
                errors[cur_dir] = e

        # Abording because of previous errors
        if len(errors) > 0:
            msg = "Abording installation because of following errors :\n"
            for path, expt in errors.items():
                msg += ("\t- For path '%s' : %s\n" % (path, expt))
            raise RuntimeError(msg)

        # No errors continuing to install
        for pname, pinfos in plugins_infos.items():
            if pname in plist:
                # Found an installed plugin with the same name
                # Checking both versions
                if plist[pname]['version'] == pinfos['version']:
                    errors[pinfos['path']] = 'Abording installation of %s \
found in %s because it seems to be allready installed in %s' % (
                        pname, pinfos['path'], plist[pname]['path'])
                    continue
                if plist[pname]['version'] > pinfos['version']:
                    errors[pinfos['path']] = 'Abording installation of %s \
found in %s because the same plugins with a greater version seems to be \
installed in %s' % (pname, pinfos['path'], plist[pname]['path'])
                    continue
                logger.info("Found a plugin with the same name but with an \
inferior version. Continuing to install")
            # Checking that we can safely copy our plugin
            dst_path = os.path.join(lodel.plugin.plugins.PLUGINS_PATH,
                                    os.path.basename(os.path.dirname(pinfos['path'])))
            orig_path = dst_path
            if os.path.isdir(dst_path):
                dst_path = tempfile.mkdtemp(
                    prefix=os.path.basename(dst_path) + '_',
                    dir=lodel.plugin.plugins.PLUGINS_PATH)
                logger.warning("A plugin already exists in %s. Installing \
in %s" % (orig_path, dst_path))
                shutil.rmtree(dst_path)

            # Install the plugin
            shutil.copytree(pinfos['path'], dst_path, symlinks=False)
            print("%s(%s) installed in %s" % (
                pname, pinfos['version'], dst_path))
        if len(errors) > 0:
            msg = "Following errors occurs during installation process :\n"
            for path, error_msg in errors.items():
                msg += "\t- For '%s' : %s" % (path, error_msg)
            print(msg)