def setUp(self): """ set up DAS core module """ debug = 0 config = deepcopy(das_readconfig()) logger = PrintManager('TestDASMongocache', verbose=debug) config['logger'] = logger config['verbose'] = debug dburi = config['mongodb']['dburi'] connection = MongoClient(dburi) connection.drop_database('das') dasmapping = DASMapping(config) config['dasmapping'] = dasmapping self.dasmongocache = DASMongocache(config)
def __init__(self, config=None, debug=0, nores=False, logger=None, engine=None, multitask=True): if config: dasconfig = config else: dasconfig = das_readconfig() verbose = dasconfig['verbose'] self.stdout = debug if isinstance(debug, int) and debug: self.verbose = debug dasconfig['verbose'] = debug else: self.verbose = verbose das_timer('DASCore::init', self.verbose) self.operators = das_operators() self.collect_wait_time = dasconfig['das'].get('collect_wait_time', 120) # set noresults option self.noresults = False if nores: dasconfig['write_cache'] = True self.noresults = nores self.init_expire = dasconfig['das'].get('init_expire', 5 * 60) self.multitask = dasconfig['das'].get('multitask', True) if debug or self.verbose: self.multitask = False # in verbose mode do not use multitask dasconfig['das']['multitask'] = False if not multitask: # explicitly call DASCore ctor self.multitask = False dasconfig['das']['multitask'] = False dasconfig['engine'] = engine if self.multitask: nworkers = dasconfig['das'].get('core_workers', 5) # if engine: # thr_name = 'DASCore:PluginTaskManager' # self.taskmgr = PluginTaskManager(\ # engine, nworkers=nworkers, name=thr_name) # self.taskmgr.subscribe() # else: # thr_name = 'DASCore:TaskManager' # self.taskmgr = TaskManager(nworkers=nworkers, name=thr_name) thr_name = 'DASCore:TaskManager' self.taskmgr = TaskManager(nworkers=nworkers, name=thr_name) else: self.taskmgr = None if logger: self.logger = logger else: self.logger = PrintManager('DASCore', self.verbose) # define Mapping/Analytics/Parser in this order since Parser depends # on first two dasmapping = DASMapping(dasconfig) dasconfig['dasmapping'] = dasmapping self.mapping = dasmapping self.keylearning = DASKeyLearning(dasconfig) dasconfig['keylearning'] = self.keylearning # init DAS cache self.rawcache = DASMongocache(dasconfig) dasconfig['rawcache'] = self.rawcache # plug-in architecture: loop over registered data-services in # dasconfig; load appropriate module/class; register data # service with DASCore. self.systems = dasmapping.list_systems() # pointer to the DAS top level directory dasroot = '/'.join(__file__.split('/')[:-3]) for name in self.systems: try: klass = 'DAS/services/%s/%s_service.py' \ % (name, name) srvfile = os.path.join(dasroot, klass) with open(srvfile) as srvclass: for line in srvclass: if line.find('(DASAbstractService)') != -1: klass = line.split('(DASAbstractService)')[0] klass = klass.split('class ')[-1] break mname = 'DAS.services.%s.%s_service' % (name, name) module = __import__(mname, fromlist=[klass]) obj = getattr(module, klass)(dasconfig) setattr(self, name, obj) except IOError as err: if debug > 1: # we have virtual services, so IOError can be correct print_exc(err) try: mname = 'DAS.services.generic_service' module = __import__(mname, fromlist=['GenericService']) obj = module.GenericService(name, dasconfig) setattr(self, name, obj) except Exception as exc: print_exc(exc) msg = "Unable to load %s data-service plugin" % name raise Exception(msg) except Exception as exc: print_exc(exc) msg = "Unable to load %s data-service plugin" % name raise Exception(msg) # loop over systems and get system keys, add mapping keys to final list self.service_keys = {} self.service_parameters = {} for name in self.systems: skeys = list(getattr(self, name).keys()) self.service_keys[getattr(self, name).name] = skeys sparams = getattr(self, name).parameters() self.service_parameters[getattr(self, name).name] = sparams self.service_keys['special'] = das_special_keys() self.dasconfig = dasconfig das_timer('DASCore::init', self.verbose)