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def pub(self, topic=b'', embed_topic=False): """ Returns a callable that can be used to transmit a message, with a given ``topic``, in a publisher-subscriber fashion. Note that the sender function has a ``print`` like signature, with an infinite number of arguments. Each one bein...
def sub(self, topics=(b'',)): """ Returns an iterable that can be used to iterate over incoming messages, that were published with one of the topics specified in ``topics``. Note that the iterable returns as many parts as sent by subscribed publishers. :param topics: a list of t...
def push(self): """ Returns a callable that can be used to transmit a message in a push-pull fashion. Note that the sender function has a ``print`` like signature, with an infinite number of arguments. Each one being a part of the complete message. :rtype: function ...
def pull(self): """ Returns an iterable that can be used to iterate over incoming messages, that were pushed by a push socket. Note that the iterable returns as many parts as sent by pushers. :rtype: generator """ sock = self.__sock(zmq.PULL) return self....
def request(self): """ Returns a callable and an iterable respectively. Those can be used to both transmit a message and/or iterate over incoming messages, that were replied by a reply socket. Note that the iterable returns as many parts as sent by repliers. Also, the sender func...
def reply(self): """ Returns a callable and an iterable respectively. Those can be used to both transmit a message and/or iterate over incoming messages, that were requested by a request socket. Note that the iterable returns as many parts as sent by requesters. Also, the sender ...
def pair(self): """ Returns a callable and an iterable respectively. Those can be used to both transmit a message and/or iterate over incoming messages, that were sent by a pair socket. Note that the iterable returns as many parts as sent by a pair. Also, the sender function has ...
def connect(self, ip, port): """ Connects to a server at the specified ip and port. :param ip: an IP address :type ip: str or unicode :param port: port number from 1024 up to 65535 :type port: int :rtype: self """ _check_valid_port_range(port) ...
def disconnect(self, ip, port): """ Disconnects from a server at the specified ip and port. :param ip: an IP address :type ip: str or unicode :param port: port number from 1024 up to 65535 :type port: int :rtype: self """ _check_valid_port_range(p...
def disconnect_all(self): """ Disconnects from all connected servers. :rtype: self """ addresses = deepcopy(self._addresses) for ip, port in addresses: self.disconnect(ip, port) return self
def remove_exponent(d): """Remove exponent.""" return d.quantize(Decimal(1)) if d == d.to_integral() else d.normalize()
def millify(n, precision=0, drop_nulls=True, prefixes=[]): """Humanize number.""" millnames = ['', 'k', 'M', 'B', 'T', 'P', 'E', 'Z', 'Y'] if prefixes: millnames = [''] millnames.extend(prefixes) n = float(n) millidx = max(0, min(len(millnames) - 1, int(math....
def prettify(amount, separator=','): """Separate with predefined separator.""" orig = str(amount) new = re.sub("^(-?\d+)(\d{3})", "\g<1>{0}\g<2>".format(separator), str(amount)) if orig == new: return new else: return prettify(new)
def load_json(json_data, decoder=None): """ Load data from json string :param json_data: Stringified json object :type json_data: str | unicode :param decoder: Use custom json decoder :type decoder: T <= DateTimeDecoder :return: Json data :rtype: None | int | float | str | list | dict ...
def load_json_file(file, decoder=None): """ Load data from json file :param file: Readable object or path to file :type file: FileIO | str :param decoder: Use custom json decoder :type decoder: T <= DateTimeDecoder :return: Json data :rtype: None | int | float | str | list | dict ""...
def save_json(val, pretty=False, sort=True, encoder=None): """ Save data to json string :param val: Value or struct to save :type val: None | int | float | str | list | dict :param pretty: Format data to be readable (default: False) otherwise going to be compact :type pretty...
def save_json_file( file, val, pretty=False, compact=True, sort=True, encoder=None ): """ Save data to json file :param file: Writable object or path to file :type file: FileIO | str | unicode :param val: Value or struct to save :type val: None | int | float | str | list | dict ...
def load_yaml_file(file): """ Load data from yaml file :param file: Readable object or path to file :type file: FileIO | str | unicode :return: Yaml data :rtype: None | int | float | str | unicode | list | dict """ if not hasattr(file, "read"): with io.open(file, "r", encoding="...
def save_yaml_file(file, val): """ Save data to yaml file :param file: Writable object or path to file :type file: FileIO | str | unicode :param val: Value or struct to save :type val: None | int | float | str | unicode | list | dict """ opened = False if not hasattr(file, "write")...
def load_file(path): """ Load file :param path: Path to file :type path: str | unicode :return: Loaded data :rtype: None | int | float | str | unicode | list | dict :raises IOError: If file not found or error accessing file """ res = {} if not path: IOError("No path spe...
def save_file(path, data, readable=False): """ Save to file :param path: File path to save :type path: str | unicode :param data: Data to save :type data: None | int | float | str | unicode | list | dict :param readable: Format file to be human readable (default: False) :type readable: ...
def join_path_prefix(path, pre_path=None): """ If path set and not absolute, append it to pre path (if used) :param path: path to append :type path: str | None :param pre_path: Base path to append to (default: None) :type pre_path: None | str :return: Path or appended path :rtype: str |...
def _load_json_file(self, file, decoder=None): """ Load data from json file :param file: Readable file or path to file :type file: FileIO | str | unicode :param decoder: Use custom json decoder :type decoder: T <= flotils.loadable.DateTimeDecoder :return: Json da...
def _save_json_file( self, file, val, pretty=False, compact=True, sort=True, encoder=None ): """ Save data to json file :param file: Writable file or path to file :type file: FileIO | str | unicode :param val: Value or struct to save :type val: None |...
def _load_yaml_file(self, file): """ Load data from yaml file :param file: Readable object or path to file :type file: FileIO | str | unicode :return: Yaml data :rtype: None | int | float | str | unicode | list | dict :raises IOError: Failed to load """ ...
def _save_yaml_file(self, file, val): """ Save data to yaml file :param file: Writable object or path to file :type file: FileIO | str | unicode :param val: Value or struct to save :type val: None | int | float | str | unicode | list | dict :raises IOError: Faile...
def load_settings(self, path): """ Load settings dict :param path: Path to settings file :type path: str | unicode :return: Loaded settings :rtype: dict :raises IOError: If file not found or error accessing file :raises TypeError: Settings file does not c...
def save_settings(self, path, settings, readable=False): """ Save settings to file :param path: File path to save :type path: str | unicode :param settings: Settings to save :type settings: dict :param readable: Format file to be human readable (default: False) ...
def load_file(self, path): """ Load file :param path: Path to file :type path: str | unicode :return: Loaded settings :rtype: None | str | unicode | int | list | dict :raises IOError: If file not found or error accessing file """ res = None ...
def save_file(self, path, data, readable=False): """ Save to file :param path: File path to save :type path: str | unicode :param data: To save :type data: None | str | unicode | int | list | dict :param readable: Format file to be human readable (default: False)...
def name(self): """ Get the module name :return: Module name :rtype: str | unicode """ res = type(self).__name__ if self._id: res += ".{}".format(self._id) return res
def _get_function_name(self): """ Get function name of calling method :return: The name of the calling function (expected to be called in self.error/debug/..) :rtype: str | unicode """ fname = inspect.getframeinfo(inspect.stack()[2][0]).function if fn...
def start(self, blocking=False): """ Start the interface :param blocking: Should the call block until stop() is called (default: False) :type blocking: bool :rtype: None """ super(StartStopable, self).start() self._is_running = True # ...
def get_embedded_yara(self, iocid): """ Extract YARA signatures embedded in Yara/Yara indicatorItem nodes. This is done regardless of logic structure in the OpenIOC. """ ioc_obj = self.iocs[iocid] ids_to_process = set([]) signatures = '' for elem in ioc_ob...
def get_yara_condition_string(self, indicator_node, parameters_node, ids_to_process, condition_string='', joining_value='or'): """ get_yara_condition_string input indicator_node: this is the node we walk down parameters_node: this contai...
def write_yara(self, output_file): """ Write out yara signatures to a file. """ fout = open(output_file, 'wb') fout.write('\n') for iocid in self.yara_signatures: signature = self.yara_signatures[iocid] fout.write(signature) fout.write...
def safe_makedirs(fdir): """ Make an arbitrary directory. This is safe to call for Python 2 users. :param fdir: Directory path to make. :return: """ if os.path.isdir(fdir): pass # print 'dir already exists: %s' % str(dir) else: try: os.makedirs(fdir) ...
def convert_to_10(self): """ converts the iocs in self.iocs from openioc 1.1 to openioc 1.0 format. the converted iocs are stored in the dictionary self.iocs_10 :return: A list of iocid values which had errors downgrading. """ if len(self) < 1: log.error('no i...
def convert_branch(self, old_node, new_node, ids_to_skip, comment_dict=None): """ Recursively walk a indicator logic tree, starting from a Indicator node. Converts OpenIOC 1.1 Indicator/IndicatorItems to Openioc 1.0 and preserves order. :param old_node: An Indicator node, which we walk...
def write_iocs(self, directory=None, source=None): """ Serializes IOCs to a directory. :param directory: Directory to write IOCs to. If not provided, the current working directory is used. :param source: Dictionary contianing iocid -> IOC mapping. Defaults to self.iocs_10. This is not...
def write_pruned_iocs(self, directory=None, pruned_source=None): """ Writes IOCs to a directory that have been pruned of some or all IOCs. :param directory: Directory to write IOCs to. If not provided, the current working directory is used. :param pruned_source: Iterable containing a s...
def make_dnsentryitem_recordname(dns_name, condition='contains', negate=False, preserve_case=False): """ Create a node for DnsEntryItem/RecordName :return: A IndicatorItem represented as an Element node """ document = 'DnsEntryItem' search = 'DnsEntryItem/RecordName' content_type = 'str...
def make_driveritem_deviceitem_devicename(device_name, condition='is', negate=False, preserve_case=False): """ Create a node for DriverItem/DeviceItem/DeviceName :return: A IndicatorItem represented as an Element node """ document = 'DriverItem' search = 'DriverItem/DeviceItem/DeviceName' ...
def make_driveritem_drivername(driver_name, condition='contains', negate=False, preserve_case=False): """ Create a node for DriverItem/DriverName :return: A IndicatorItem represented as an Element node """ document = 'DriverItem' search = 'DriverItem/DriverName' content_type = 'string' ...
def make_eventlogitem_eid(eid, condition='is', negate=False): """ Create a node for EventLogItem/EID :return: A IndicatorItem represented as an Element node """ document = 'EventLogItem' search = 'EventLogItem/EID' content_type = 'int' content = eid ii_node = ioc_api.make_indica...
def make_eventlogitem_log(log, condition='is', negate=False, preserve_case=False): """ Create a node for EventLogItem/log :return: A IndicatorItem represented as an Element node """ document = 'EventLogItem' search = 'EventLogItem/log' content_type = 'string' content = log ii_no...
def make_eventlogitem_message(message, condition='contains', negate=False, preserve_case=False): """ Create a node for EventLogItem/message :return: A IndicatorItem represented as an Element node """ document = 'EventLogItem' search = 'EventLogItem/message' content_type = 'string' c...
def make_fileitem_fileattributes(attributes, condition='contains', negate=False, preserve_case=False): """ Create a node for FileItem/FileAttributes :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/FileAttributes' content_type = 'strin...
def make_fileitem_fileextension(extension, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/FileExtension :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/FileExtension' content_type = 'string' con...
def make_fileitem_filename(filename, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/FileName :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/FileName' content_type = 'string' content = filename ...
def make_fileitem_filepath(filepath, condition='contains', negate=False, preserve_case=False): """ Create a node for FileItem/FilePath :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/FilePath' content_type = 'string' content = fil...
def make_fileitem_fullpath(fullpath, condition='contains', negate=False, preserve_case=False): """ Create a node for FileItem/FullPath :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/FullPath' content_type = 'string' content = ful...
def make_fileitem_md5sum(md5, condition='is', negate=False): """ Create a node for FileItem/Md5sum :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/Md5sum' content_type = 'md5' content = md5 ii_node = ioc_api.make_indicatoritem...
def make_fileitem_peinfo_detectedanomalies_string(anomaly, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/DetectedAnomalies/string :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/PEInfo/DetectedA...
def make_fileitem_peinfo_detectedentrypointsignature_name(entrypoint_name, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/DetectedEntryPointSignature/Name :return: A IndicatorItem represented as an Elem...
def make_fileitem_peinfo_digitalsignature_signatureexists(sig_exists, condition='is', negate=False): """ Create a node for FileItem/PEInfo/DigitalSignature/SignatureExists :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/PEInfo/DigitalSign...
def make_fileitem_peinfo_digitalsignature_signatureverified(sig_verified, condition='is', negate=False): """ Create a node for FileItem/PEInfo/DigitalSignature/SignatureVerified :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/PEInfo/Digit...
def make_fileitem_peinfo_exports_dllname(dll_name, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/Exports/DllName :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/PEInfo/Exports/DllName' conte...
def make_fileitem_peinfo_exports_numberoffunctions(function_count, condition='is', negate=False): """ Create a node for FileItem/PEInfo/Exports/NumberOfFunctions :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/PEInfo/Exports/NumberOfFunct...
def make_fileitem_peinfo_importedmodules_module_importedfunctions_string(imported_function, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/ImportedModules/Module/ImportedFunctions/string ...
def make_fileitem_peinfo_importedmodules_module_name(imported_module, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/ImportedModules/Module/Name :return: A IndicatorItem represented as an Element node ""...
def make_fileitem_peinfo_petimestamp(compile_time, condition='is', negate=False): """ Create a node for FileItem/PEInfo/PETimeStamp :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/PEInfo/PETimeStamp' content_type = 'date' content ...
def make_fileitem_peinfo_resourceinfolist_resourceinfoitem_name(resource_name, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/ResourceInfoList/ResourceInfoItem/Name :return: A IndicatorItem repres...
def make_fileitem_peinfo_type(petype, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/Type :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/PEInfo/Type' content_type = 'string' content = pe...
def make_fileitem_sizeinbytes(filesize, condition='is', negate=False): """ Create a node for FileItem/SizeInBytes :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/SizeInBytes' content_type = 'int' content = filesize ii_node = i...
def make_fileitem_streamlist_stream_name(stream_name, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/StreamList/Stream/Name :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/StreamList/Stream/Name' co...
def make_fileitem_stringlist_string(file_string, condition='contains', negate=False, preserve_case=False): """ Create a node for FileItem/StringList/string :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/StringList/string' content_typ...
def make_fileitem_username(file_owner, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/Username :return: A IndicatorItem represented as an Element node """ document = 'FileItem' search = 'FileItem/Username' content_type = 'string' content = file_ow...
def make_hookitem_hookedfunction(hooked_function, condition='is', negate=False, preserve_case=False): """ Create a node for HookItem/HookedFunction :return: A IndicatorItem represented as an Element node """ document = 'HookItem' search = 'HookItem/HookedFunction' content_type = 'string...
def make_hookitem_hookingmodule(hooking_module, condition='contains', negate=False, preserve_case=False): """ Create a node for HookItem/HookingModule :return: A IndicatorItem represented as an Element node """ document = 'HookItem' search = 'HookItem/HookingModule' content_type = 'stri...
def make_portitem_remoteport(remote_port, condition='is', negate=False): """ Create a node for PortItem/remotePort :return: A IndicatorItem represented as an Element node """ document = 'PortItem' search = 'PortItem/remotePort' content_type = 'int' content = remote_port ii_node ...
def make_prefetchitem_accessedfilelist_accessedfile(accessed_file, condition='contains', negate=False, preserve_case=False): """ Create a node for PrefetchItem/AccessedFileList/AccessedFile :return: A IndicatorItem represented as an Element node "...
def make_prefetchitem_applicationfilename(application_filename, condition='is', negate=False, preserve_case=False): """ Create a node for PrefetchItem/ApplicationFileName :return: A IndicatorItem represented as an Element node """ document = 'PrefetchItem' search = 'PrefetchItem/Application...
def make_prefetchitem_applicationfullpath(application_fullpath, condition='contains', negate=False, preserve_case=False): """ Create a node for PrefetchItem/ApplicationFullPath :return: A IndicatorItem represented as an Element node """ document = 'Pref...
def make_processitem_handlelist_handle_name(handle_name, condition='contains', negate=False, preserve_case=False): """ Create a node for ProcessItem/HandleList/Handle/Name :return: A IndicatorItem represented as an Element node """ document = 'ProcessItem' search = 'ProcessItem/HandleList/H...
def make_processitem_portlist_portitem_remoteip(remote_ip, condition='is', negate=False): """ Create a node for ProcessItem/PortList/PortItem/remoteIP :return: A IndicatorItem represented as an Element node """ document = 'ProcessItem' search = 'ProcessItem/PortList/PortItem/remoteIP' c...
def make_processitem_sectionlist_memorysection_name(section_name, condition='contains', negate=False, preserve_case=False): """ Create a node for ProcessItem/SectionList/MemorySection/Name :return: A IndicatorItem represented as an Element node ""...
def make_processitem_sectionlist_memorysection_peinfo_exports_exportedfunctions_string(export_function, condition='is', negate=False, preserve_cas...
def make_processitem_stringlist_string(string, condition='contains', negate=False, preserve_case=False): """ Create a node for ProcessItem/StringList/string :return: A IndicatorItem represented as an Element node """ document = 'ProcessItem' search = 'ProcessItem/StringList/string' cont...
def make_processitem_username(username, condition='contains', negate=False, preserve_case=False): """ Create a node for ProcessItem/Username :return: A IndicatorItem represented as an Element node """ document = 'ProcessItem' search = 'ProcessItem/Username' content_type = 'string' c...
def make_processitem_arguments(arguments, condition='contains', negate=False, preserve_case=False): """ Create a node for ProcessItem/arguments :return: A IndicatorItem represented as an Element node """ document = 'ProcessItem' search = 'ProcessItem/arguments' content_type = 'string' ...
def make_processitem_path(path, condition='contains', negate=False, preserve_case=False): """ Create a node for ProcessItem/path :return: A IndicatorItem represented as an Element node """ document = 'ProcessItem' search = 'ProcessItem/path' content_type = 'string' content = path ...
def make_registryitem_keypath(keypath, condition='contains', negate=False, preserve_case=False): """ Create a node for RegistryItem/KeyPath :return: A IndicatorItem represented as an Element node """ document = 'RegistryItem' search = 'RegistryItem/KeyPath' content_type = 'string' c...
def make_registryitem_text(text, condition='contains', negate=False, preserve_case=False): """ Create a node for RegistryItem/Text :return: A IndicatorItem represented as an Element node """ document = 'RegistryItem' search = 'RegistryItem/Text' content_type = 'string' content = tex...
def make_registryitem_valuename(valuename, condition='is', negate=False, preserve_case=False): """ Create a node for RegistryItem/ValueName :return: A IndicatorItem represented as an Element node """ document = 'RegistryItem' search = 'RegistryItem/ValueName' content_type = 'string' ...
def make_serviceitem_description(description, condition='contains', negate=False, preserve_case=False): """ Create a node for ServiceItem/description :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/description' content_type = 's...
def make_serviceitem_descriptivename(descriptive_name, condition='is', negate=False, preserve_case=False): """ Create a node for ServiceItem/descriptiveName :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/descriptiveName' conten...
def make_serviceitem_name(name, condition='is', negate=False, preserve_case=False): """ Create a node for ServiceItem/name :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/name' content_type = 'string' content = name ii_n...
def make_serviceitem_pathmd5sum(path_md5, condition='is', negate=False): """ Create a node for ServiceItem/pathmd5sum :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/pathmd5sum' content_type = 'md5' content = path_md5 ii...
def make_serviceitem_servicedll(servicedll, condition='contains', negate=False, preserve_case=False): """ Create a node for ServiceItem/serviceDLL :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/serviceDLL' content_type = 'strin...
def make_serviceitem_servicedllsignatureexists(dll_sig_exists, condition='is', negate=False): """ Create a node for ServiceItem/serviceDLLSignatureExists :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/serviceDLLSignatureExists' ...
def make_serviceitem_servicedllsignatureverified(dll_sig_verified, condition='is', negate=False): """ Create a node for ServiceItem/serviceDLLSignatureVerified :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/serviceDLLSignatureVerif...
def make_serviceitem_servicedllmd5sum(servicedll_md5, condition='is', negate=False): """ Create a node for ServiceItem/serviceDLLmd5sum :return: A IndicatorItem represented as an Element node """ document = 'ServiceItem' search = 'ServiceItem/serviceDLLmd5sum' content_type = 'md5' c...
def make_systeminfoitem_hostname(hostname, condition='contains', negate=False, preserve_case=False): """ Create a node for SystemInfoItem/hostname :return: A IndicatorItem represented as an Element node """ document = 'SystemInfoItem' search = 'SystemInfoItem/hostname' content_type = 's...
def make_systemrestoreitem_originalfilename(original_filename, condition='contains', negate=False, preserve_case=False): """ Create a node for SystemRestoreItem/OriginalFileName :return: A IndicatorItem represented as an Element node """ document = 'SystemRestoreItem' search = 'SystemRestor...
def make_fileitem_peinfo_versioninfoitem(key, value, condition='is', negate=False, preserve_case=False): """ Create a node for FileItem/PEInfo/VersionInfoList/VersionInfoItem/ + key name No validation of the key is performed. :return: A IndicatorItem represented as an Element node """ ...
def fix_schema_node_ordering(parent): """ Fix the ordering of children under the criteria node to ensure that IndicatorItem/Indicator order is preserved, as per XML Schema. :return: """ children = parent.getchildren() i_nodes = [node for node in children if node....
def make_indicator_node(operator, nid=None): """ This makes a Indicator node element. These allow the construction of a logic tree within the IOC. :param operator: String 'AND' or 'OR'. The constants ioc_api.OR and ioc_api.AND may be used as well. :param nid: This is used to provide a GUID for the In...
def make_indicatoritem_node(condition, document, search, content_type, content, preserve_case=False, negate=False, context_t...
def get_top_level_indicator_node(root_node): """ This returns the first top level Indicator node under the criteria node. :param root_node: Root node of an etree. :return: an elementTree Element item, or None if no item is found. """ if root_node.tag != 'OpenIOC': raise IOCParseError('R...