import os from os import makedirs import subprocess import logging from logging import Logger import locale import shutil import tomlkit import sys import gi from gi.repository import Gtk gi.require_version("Gtk", "3.0") BaseDir = os.path.abspath(os.path.join(os.path.dirname(__file__))) SudoUsername = os.getlogin() logger = logging.getLogger("logger") ch = logging.StreamHandler() # source: https://stackoverflow.com/questions/3220284/how-to-customize-the-time-format-for-python-logging formatter = logging.Formatter("%(asctime)s:%(levelname)s > %(message)s", "%Y-%m-%d %H:%M:%S") ch.setFormatter(formatter) logger.addHandler(ch) locale.setlocale(locale.LC_ALL, "C.utf-8") LocalEnv = os.environ LocalEnv["LC_ALL"] = "C.utf-8" def permissions(dst): try: groups = subprocess.run(["sh", "-c", "id " + SudoUsername],shell=False,stdout=subprocess.PIPE,stderr=subprocess.STDOUT,env=LocalEnv) for i in groups.stdout.decode().split(" "): if "gid" in i: g = i.split("(")[1] group = g.replace(")", "".strip()) subprocess.call(["chown", "-R", SudoUsername + ":" + group, dst],shell=False,env=LocalEnv) except Exception as e: logger.error("Found error in permissions() ! Type: %s" %e) HomeDir = "/home/" + str(SudoUsername) default_ConfigFile = "%s/default/config.toml" %BaseDir ConfigDir = "%s/.config/snigdhaos-kernel-switcher" %HomeDir ConfigFile = "%s/.config/snigdhaos-kernel-switcher/config.toml" %ConfigDir def setupConfig(self): try: if not os.path.exists(ConfigDir): makedirs(ConfigDir) if not os.path.exists(ConfigFile): shutil.copy(default_ConfigFile,ConfigDir) permissions(ConfigDir) return readConfig(self) except Exception as e: logger.error("Found error in setupConfig() ! Type: %s" %e) SupportedKernelDict = {} CommunityKernelDict = {} def readConfig(self): try: logger.info("Reading config file: %s"%ConfigFile) ConfigData = None with open(ConfigFile, "rb") as f: ConfigData = tomlkit.load(f) if ConfigData.get("kernels") and "official" in ConfigData["kernels"] is not None: for OfficialKernel in ConfigData["kernels"]["official"]: SupportedKernelDict[OfficialKernel["name"]] = (OfficialKernel["description"], OfficialKernel["headers"]) if ConfigData.get("kernels") and "community" in ConfigData["kernels"] is not None: for CommunityKernel in ConfigData["kernels"]["community"]: CommunityKernelDict[CommunityKernel["name"]] = (CommunityKernel["description"], CommunityKernel["headers"], CommunityKernel["repository"]) if ConfigData.get("logging") is not None and "loglevel" in ConfigData["logging"] is not None: loglevel = ConfigData["logging"]["loglevel"].lower() logger.info("Setting LogLevel: %s" %loglevel) if loglevel == "debug": logger.setLevel(logging.DEBUG) elif loglevel == "info": logger.setLevel(logging.INFO) else: logger.warning("Invalid logging level set, use info / debug") logger.setLevel(logging.INFO) else: logger.setLevel(logging.INFO) return ConfigData except Exception as e: logger.error("Found error in readConfig() ! Type: %s"%e) sys.exit(1) def updateConfig(ConfigData, BootLoader): try: logger.info("Updating config data...") with open(ConfigFile, "w") as f: tomlkit.dump(ConfigData, f) return True except Exception as e: logger.error("Found error in updateConfig() ! Type: %s"%e) return False CacheDir = "%s/.cache/snigdhaos-kernel-switcher" % HomeDir CacheFile = "%s/kernels.toml" % CacheDir CacheUpdate = "%s/update" % CacheDir def createCacheDir(): try: if not os.path.exists(CacheDir): makedirs(CacheDir) logger.info("Cache directory = %s" % CacheDir) permissions(CacheDir) except Exception as e: logger.error("Found error in createCacheDir() ! Type: %s" %e) LogDir = "/var/log/snigdhaos-kernel-switcher" EventLogFile = "%s/event.log" %LogDir def createLogDir(): try: if not os.path.exists(LogDir): makedirs(LogDir) logger.info("Log directory : %s" %LogDir) except Exception as e: logger.error("Found error in create_log_dir() ! Type: %s" %e) import datetime FetchedKernelsDict = {} ArchlinuxMirrorArchiveUrl = "https://archive.archlinux.org" headers = { "Content-Type": "text/plain;charset=UTF-8", "User-Agent": "Mozilla/5.0 (Linux x86_64) Gecko Firefox", } def writeCache(): try: if len(FetchedKernelsDict) > 0: with open(CacheFile, "w", encoding="utf-8") as f: f.write('title = "Arch Linux Kernels"\n\n') f.write('timestamp = "%s"\n'%datetime.datetime.now().strftime("%Y-%m-%d %H-%M-%S")) f.write('source = "%s"\n\n' % ArchlinuxMirrorArchiveUrl) for kernel in FetchedKernelsDict.values(): f.write("[[kernel]]\n") f.write('name = "%s"\nheaders = "%s"\nversion = "%s"\nsize = "%s"\nfile_format = "%s"\nlast_modified = "%s"\n\n'% (kernel.name,kernel.headers,kernel.version,kernel.size,kernel.file_format,kernel.last_modified)) permissions(CacheFile) except Exception as e: logger.error("Found error in write_cache() ! Type: %s" % e) CacheDays = 5 CachedKernelsList = [] def readCache(self): try: self.timestamp = None with open(CacheFile, "rb") as f: data = tomlkit.load(f) if len(data) == 0: logger.error("%s is empty, delete it and open the app again" % CacheFile) name = None headers = None version = None size = None last_modified = None file_format = None if len(data) > 0: self.timestamp = data["timestamp"] self.cache_timestamp = data["timestamp"] if self.timestamp: self.timestamp = datetime.datetime.strptime(self.timestamp, "%Y-%m-%d %H-%M-%S") delta = datetime.datetime.now() - self.timestamp if delta.days >= CacheDays: logger.info("Cache is older than 5 days, refreshing ..") refresh_cache(self) else: if delta.days > 0: logger.debug("Cache is %s days old" % delta.days) else: logger.debug("Cache is newer than 5 days") kernels = data["kernel"] if len(kernels) > 1: for k in kernels: if (datetime.datetime.now().year - datetime.datetime.strptime(k["last_modified"], "%d-%b-%Y %H:%M").year <= 2): CachedKernelsList.append(Kernel(k["name"],k["headers"],k["version"],k["size"],k["last_modified"],k["file_format"])) name = None headers = None version = None size = None last_modified = None file_format = None if len(CachedKernelsList) > 0: sorted(CachedKernelsList) logger.info("Kernels cache data processed") else: logger.error("Cached file is invalid, remove it and try again") else: logger.error("Failed to read cache file") except Exception as e: logger.error("Exception in read_cache(): %s" % e)