def report_deprecated_feature(logger, msg, *args, **kwargs): """Call this function when a deprecated feature is used. If the system is configured for fatal deprecations then the message is logged at the 'critical' level and :class:`DeprecatedConfig` will be raised. Otherwise, the message will be logged (once) at the 'warn' level. :raises: :class:`DeprecatedConfig` if the system is configured for fatal deprecations. """ stdmsg = _("Deprecated: %s") % msg CONF.register_opts(deprecated_opts) if CONF.fatal_deprecations: logger.critical(stdmsg, *args, **kwargs) raise DeprecatedConfig(msg=stdmsg) # Using a list because a tuple with dict can't be stored in a set. sent_args = _deprecated_messages_sent.setdefault(msg, list()) if args in sent_args: # Already logged this message, so don't log it again. return sent_args.append(args) logger.warn(stdmsg, *args, **kwargs)
def print_list(objs, fields, formatters=None, sortby_index=0, mixed_case_fields=None, field_labels=None): """Print a list or objects as a table, one row per object. :param objs: iterable of :class:`Resource` :param fields: attributes that correspond to columns, in order :param formatters: `dict` of callables for field formatting :param sortby_index: index of the field for sorting table rows :param mixed_case_fields: fields corresponding to object attributes that have mixed case names (e.g., 'serverId') :param field_labels: Labels to use in the heading of the table, default to fields. """ formatters = formatters or {} mixed_case_fields = mixed_case_fields or [] field_labels = field_labels or fields if len(field_labels) != len(fields): raise ValueError(_("Field labels list %(labels)s has different number " "of elements than fields list %(fields)s"), {'labels': field_labels, 'fields': fields}) if sortby_index is None: kwargs = {} else: kwargs = {'sortby': field_labels[sortby_index]} pt = prettytable.PrettyTable(field_labels) pt.align = 'l' for o in objs: row = [] for field in fields: if field in formatters: row.append(formatters[field](o)) else: if field in mixed_case_fields: field_name = field.replace(' ', '_') else: field_name = field.lower().replace(' ', '_') data = getattr(o, field_name, '') row.append(data) pt.add_row(row) if six.PY3: print(encodeutils.safe_encode(pt.get_string(**kwargs)).decode()) else: print(encodeutils.safe_encode(pt.get_string(**kwargs)))
def __init__(self, missing): self.missing = missing msg = _("Missing arguments: %s") % ", ".join(missing) super(MissingArgs, self).__init__(msg)