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proc
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proc
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thread-self
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root
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lib
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python3.6
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tuned
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profiles
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files >> //proc/self/root/proc/thread-self/root/lib/python3.6/site-packages/tuned/profiles/locator.py
import os import tuned.consts as consts from tuned.utils.config_parser import ConfigParser, Error class Locator(object): """ Profiles locator and enumerator. """ __slots__ = ["_load_directories"] def __init__(self, load_directories): if type(load_directories) is not list: raise TypeError("load_directories parameter is not a list") self._load_directories = load_directories @property def load_directories(self): return self._load_directories def _get_config_filename(self, *path_parts): path_parts = list(path_parts) + ["tuned.conf"] config_name = os.path.join(*path_parts) return os.path.normpath(config_name) def get_config(self, profile_name, skip_files=None): ret = None conditional_load = profile_name[0:1] == "-" if conditional_load: profile_name = profile_name[1:] for dir_name in reversed(self._load_directories): # basename is protection not to get out of the path config_file = self._get_config_filename(dir_name, os.path.basename(profile_name)) if skip_files is not None and config_file in skip_files: ret = "" continue if os.path.isfile(config_file): return config_file if conditional_load and ret is None: ret = "" return ret def check_profile_name_format(self, profile_name): return profile_name is not None and profile_name != "" and "/" not in profile_name def parse_config(self, profile_name): if not self.check_profile_name_format(profile_name): return None config_file = self.get_config(profile_name) if config_file is None: return None try: config = ConfigParser(delimiters=('='), inline_comment_prefixes=('#'), allow_no_value=True, strict=False) config.optionxform = str with open(config_file) as f: config.read_string("[" + consts.MAGIC_HEADER_NAME + "]\n" + f.read()) return config except (IOError, OSError, Error) as e: return None # Get profile attributes (e.g. summary, description), attrs is list of requested attributes, # if it is not list it is converted to list, defvals is list of default values to return if # attribute is not found, it is also converted to list if it is not list. # Returns list of the following format [status, profile_name, attr1_val, attr2_val, ...], # status is boolean. def get_profile_attrs(self, profile_name, attrs, defvals = None): # check types try: attrs_len = len(attrs) except TypeError: attrs = [attrs] attrs_len = 1 try: defvals_len = len(defvals) except TypeError: defvals = [defvals] defvals_len = 1 # Extend defvals if needed, last value is used for extension if defvals_len < attrs_len: defvals = defvals + ([defvals[-1]] * (attrs_len - defvals_len)) config = self.parse_config(profile_name) if config is None: return [False, "", "", ""] main_unit_in_config = consts.PLUGIN_MAIN_UNIT_NAME in config.sections() vals = [True, profile_name] for (attr, defval) in zip(attrs, defvals): if attr == "" or attr is None: vals[0] = False vals = vals + [""] elif main_unit_in_config and attr in config.options(consts.PLUGIN_MAIN_UNIT_NAME): vals = vals + [config.get(consts.PLUGIN_MAIN_UNIT_NAME, attr, raw=True)] else: vals = vals + [defval] return vals def list_profiles(self): profiles = set() for dir_name in self._load_directories: try: for profile_name in os.listdir(dir_name): config_file = self._get_config_filename(dir_name, profile_name) if os.path.isfile(config_file): profiles.add(profile_name) except OSError: pass return profiles def get_known_names(self): return sorted(self.list_profiles()) def get_known_names_summary(self): return [(profile, self.get_profile_attrs(profile, [consts.PROFILE_ATTR_SUMMARY], [""])[2]) for profile in sorted(self.list_profiles())]
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