# -*- coding: utf-8 -*- # # This file is part of Glances. # # SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com> # # SPDX-License-Identifier: LGPL-3.0-only # """Common objects shared by all Glances modules.""" import errno import os import sys import platform import ujson from operator import itemgetter # OS constants (some libraries/features are OS-dependent) BSD = sys.platform.find('bsd') != -1 LINUX = sys.platform.startswith('linux') MACOS = sys.platform.startswith('darwin') SUNOS = sys.platform.startswith('sunos') WINDOWS = sys.platform.startswith('win') WSL = "linux" in platform.system().lower() and "microsoft" in platform.uname()[3].lower() # Set the AMPs, plugins and export modules path work_path = os.path.realpath(os.path.dirname(__file__)) amps_path = os.path.realpath(os.path.join(work_path, 'amps')) plugins_path = os.path.realpath(os.path.join(work_path, 'plugins')) exports_path = os.path.realpath(os.path.join(work_path, 'exports')) sys_path = sys.path[:] sys.path.insert(1, exports_path) sys.path.insert(1, plugins_path) sys.path.insert(1, amps_path) def safe_makedirs(path): """A safe function for creating a directory tree.""" try: os.makedirs(path) except OSError as err: if err.errno == errno.EEXIST: if not os.path.isdir(path): raise else: raise def json_dumps(data): """Return the object data in a JSON format. Manage the issue #815 for Windows OS with UnicodeDecodeError catching. """ try: return ujson.dumps(data) except UnicodeDecodeError: return ujson.dumps(data, ensure_ascii=False) def json_dumps_dictlist(data, item): if isinstance(data, dict): try: return json_dumps({item: data[item]}) except: return None elif isinstance(data, list): try: # Source: # http://stackoverflow.com/questions/4573875/python-get-index-of-dictionary-item-in-list # But https://github.com/nicolargo/glances/issues/1401 return json_dumps({item: list(map(itemgetter(item), data))}) except: return None else: return None