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# Copyright 2010 Red Hat, Inc. # Author: Adam Stokes <astokes@fedoraproject.org> # This file is part of the sos project: https://github.com/sosreport/sos # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions of # version 2 of the GNU General Public License. # # See the LICENSE file in the source distribution for further information. """ This module houses the i18n setup and message function. The default is to use gettext to internationalize messages. """ import gettext import six from argparse import ArgumentParser if six.PY3: from configparser import ConfigParser, ParsingError, Error else: from ConfigParser import ConfigParser, ParsingError, Error __version__ = "3.9" gettext_dir = "/usr/share/locale" gettext_app = "sos" gettext.bindtextdomain(gettext_app, gettext_dir) def _default(msg): return gettext.dgettext(gettext_app, msg) _sos = _default # Global option definitions # These must be in the module itself in order to be available to both # the sosreport and policy module (and to avoid recursive import errors). # # FIXME: these definitions make our main module a bit more bulky: the # alternative is to place these in a new sos.options module. This may # prove to be the best route long-term (as it could also contain an # exported parsing routine, and all the command-line definitions). #: Names of all arguments _arg_names = [ 'add_preset', 'alloptions', 'allow_system_changes', 'all_logs', 'batch', 'build', 'case_id', 'chroot', 'compression_type', 'config_file', 'desc', 'debug', 'del_preset', 'dry_run', 'enableplugins', 'encrypt_key', 'encrypt_pass', 'experimental', 'label', 'list_plugins', 'list_presets', 'list_profiles', 'log_size', 'noplugins', 'noreport', 'no_env_vars', 'no_postproc', 'note', 'onlyplugins', 'plugin_timeout', 'plugopts', 'preset', 'profiles', 'quiet', 'since', 'sysroot', 'threads', 'tmp_dir', 'upload', 'upload_url', 'upload_directory', 'upload_user', 'upload_pass', 'verbosity', 'verify' ] #: Arguments with non-zero default values _arg_defaults = { "chroot": "auto", "compression_type": "auto", "log_size": 25, "preset": "auto", # Verbosity has an explicit zero default since the ArgumentParser # count action default is None. "verbosity": 0 } def _is_seq(val): """Return true if val is an instance of a known sequence type. """ val_type = type(val) return val_type is list or val_type is tuple class SoSOptions(object): def _merge_opt(self, opt, src, is_default): def _unset(val): return (val == "" or val is None) if hasattr(src, opt): newvalue = getattr(src, opt) oldvalue = getattr(self, opt) # overwrite value iff: # - we replace unset option by a real value # - new default is set, or # - non-sequential variable keeps its default value if (_unset(oldvalue) and not _unset(newvalue)) or \ is_default or \ ((opt not in self._nondefault) and (not _is_seq(newvalue))): # Overwrite atomic values setattr(self, opt, newvalue) if is_default: self._nondefault.discard(opt) else: self._nondefault.add(opt) elif _is_seq(newvalue): # Concatenate sequence types setattr(self, opt, newvalue + oldvalue) def _merge_opts(self, src, is_default): for arg in _arg_names: self._merge_opt(arg, src, is_default) def __str(self, quote=False, sep=" ", prefix="", suffix=""): """Format a SoSOptions object as a human or machine readable string. :param quote: quote option values :param sep: list separator string :param prefix: arbitrary prefix string :param suffix: arbitrary suffix string :param literal: print values as Python literals """ args = prefix arg_fmt = "=%s" for arg in _arg_names: args += arg + arg_fmt + sep args.strip(sep) vals = [getattr(self, arg) for arg in _arg_names] if not quote: # Convert Python source notation for sequences into plain strings vals = [",".join(v) if _is_seq(v) else v for v in vals] else: def is_string(val): return isinstance(val, six.string_types) # Only quote strings if quote=False vals = ["'%s'" % v if is_string(v) else v for v in vals] return (args % tuple(vals)).strip(sep) + suffix def __str__(self): return self.__str() def __repr__(self): return self.__str(quote=True, sep=", ", prefix="SoSOptions(", suffix=")") def __init__(self, **kwargs): """Initialise a new ``SoSOptions`` object from keyword arguments. Initialises the new object with values taken from keyword arguments matching the names of ``SoSOptions`` attributes. A ``ValueError`` is raised is any of the supplied keyword arguments does not correspond to a known ``SoSOptions` attribute name. :param *kwargs: a list of ``SoSOptions`` keyword args. :returns: the new ``SoSOptions`` object. """ self.add_preset = "" self.alloptions = False self.all_logs = False self.since = None self.batch = False self.build = False self.case_id = "" self.chroot = _arg_defaults["chroot"] self.compression_type = _arg_defaults["compression_type"] self.config_file = "" self.debug = False self.del_preset = "" self.desc = "" self.dry_run = False self.enableplugins = [] self.encrypt_key = None self.encrypt_pass = None self.experimental = False self.label = "" self.list_plugins = False self.list_presets = False self.list_profiles = False self.log_size = _arg_defaults["log_size"] self.noplugins = [] self.noreport = False self.allow_system_changes = False self.no_env_vars = False self.no_postproc = False self.note = "" self.onlyplugins = [] self.plugin_timeout = None self.plugopts = [] self.preset = _arg_defaults["preset"] self.profiles = [] self.quiet = False self.sysroot = None self.threads = 4 self.tmp_dir = "" self.upload = False self.upload_url = "" self.upload_directory = "" self.upload_user = "" self.upload_pass = "" self.verbosity = _arg_defaults["verbosity"] self.verify = False self._nondefault = set() for arg in kwargs.keys(): if arg not in _arg_names: raise ValueError("Unknown SoSOptions attribute: %s" % arg) setattr(self, arg, kwargs[arg]) @classmethod def from_args(cls, args): """Initialise a new SoSOptions object from a ``Namespace`` obtained by parsing command line arguments. :param args: parsed command line arguments :returns: an initialised SoSOptions object :returntype: SoSOptions """ opts = SoSOptions() opts._merge_opts(args, True) return opts @classmethod def _opt_to_args(cls, opt, val): """Convert a named option and optional value to command line argument notation, correctly handling options that take no value or that have special representations (e.g. verify and verbose). """ no_value = ( "alloptions", "allow-system-changes", "all-logs", "batch", "build", "debug", "experimental", "list-plugins", "list-presets", "list-profiles", "no-report", "no-env-vars", "quiet", "verify" ) count = ("verbose",) if opt in no_value: return ["--%s" % opt] if opt in count: return ["--%s" % opt for d in range(0, int(val))] return ["--" + opt + "=" + val] @classmethod def from_file(cls, argparser, config_file, is_default=True): opts = SoSOptions() config = ConfigParser() try: try: with open(config_file) as f: config.readfp(f) except (ParsingError, Error) as e: raise exit('Failed to parse configuration ' 'file %s' % config_file) except (OSError, IOError) as e: raise exit('Unable to read configuration file %s ' ': %s' % (config_file, e.args[1])) if config.has_section("general"): optlist = [] for opt, val in config.items("general"): optlist.extend(SoSOptions._opt_to_args(opt, val)) opts._merge_opts(argparser.parse_args(optlist), is_default) opts.noplugins = [] if config.has_option("plugins", "disable"): opts.noplugins.extend([plugin.strip() for plugin in config.get("plugins", "disable").split(',')]) if config.has_option("plugins", "enable"): opts.enableplugins = [] opts.enableplugins.extend( [plugin.strip() for plugin in config.get("plugins", "enable").split(',')]) if config.has_section("tunables"): opts.plugopts = [] for opt, val in config.items("tunables"): if not opt.split('.')[0] in opts.noplugins: opts.plugopts.append(opt + "=" + val) return opts def merge(self, src, skip_default=True): """Merge another set of ``SoSOptions`` into this object. Merge two ``SoSOptions`` objects by setting unset or default values to their value in the ``src`` object. :param src: the ``SoSOptions`` object to copy from :param is_default: ``True`` if new default values are to be set. """ for arg in _arg_names: if not hasattr(src, arg): continue if getattr(src, arg) is not None or not skip_default: self._merge_opt(arg, src, False) def dict(self): """Return this ``SoSOptions`` option values as a dictionary of argument name to value mappings. :returns: a name:value dictionary of option values. """ odict = {} for arg in _arg_names: value = getattr(self, arg) # Do not attempt to store preset option values in presets if arg in ('add_preset', 'del_preset', 'desc', 'note'): value = None odict[arg] = value return odict def to_args(self): """Return command arguments for this object. Return a list of the non-default options of this ``SoSOptions`` object in ``sosreport`` command line argument notation: ``["--all-logs", "-vvv"]`` """ def has_value(name, value): """ Test for non-null option values. """ null_values = ("False", "None", "[]", '""', "''", "0") if not value or value in null_values: return False if name in _arg_defaults: if str(value) == str(_arg_defaults[name]): return False return True def filter_opt(name, value): """ Filter out preset and null-valued options. """ if name in ("add_preset", "del_preset", "desc", "note"): return False return has_value(name, value) def argify(name, value): """ Convert sos option notation to command line arguments. """ # Handle --verbosity specially if name.startswith("verbosity"): arg = "-" + int(value) * "v" return arg name = name.replace("_", "-") value = ",".join(value) if _is_seq(value) else value if value is not True: opt = "%s %s" % (name, value) else: opt = name arg = "--" + opt if len(opt) > 1 else "-" + opt return arg opt_items = sorted(self.dict().items(), key=lambda x: x[0]) return [argify(n, v) for (n, v) in opt_items if filter_opt(n, v)] # vim: set et ts=4 sw=4 :