def __init__( self, input_file, output_file, start_event=0, stop_event=sys.maxint, write_banner=False, mur=[0.5, 1, 2], muf=[0.5, 1, 2], alps=[1], pdf='errorset', #[(id, subset)] dyn=[-1, 1, 2, 3, 4], together=[('mur', 'muf', 'dyn')], remove_wgts=[], keep_wgts=[], start_id=None, lhapdf_config=misc.which('lhapdf-config'), log=lambda x: sys.stdout.write(str(x) + '\n')): # INPUT/OUTPUT FILE if isinstance(input_file, str): self.input = lhe_parser.EventFile(input_file) else: self.input = input_file self.output_path = output_file if output_file != None: if isinstance(output_file, str): if output_file == input_file: directory, name = os.path.split(output_file) new_name = pjoin(directory, '.tmp_' + name) self.output = lhe_parser.EventFile(new_name, 'w') else: self.output = lhe_parser.EventFile(output_file, 'w') else: self.output = output_file self.log = log #get some information from the run_card. self.banner = banner_mod.Banner(self.input.banner) self.force_write_banner = bool(write_banner) self.orig_dyn = self.banner.get('run_card', 'dynamical_scale_choice') self.orig_pdf = self.banner.run_card.get_lhapdf_id() matching_mode = self.banner.get('run_card', 'ickkw') #check for beam beam1, beam2 = self.banner.get_pdg_beam() if abs(beam1) != 2212 and abs(beam2) != 2212: self.b1 = 0 self.b2 = 0 pdf = 'central' #raise SystematicsError, 'can only reweight proton beam' elif abs(beam1) != 2212: self.b1 = 0 self.b2 = beam2 // 2212 elif abs(beam2) != 2212: self.b1 = beam1 // 2212 self.b2 = 0 else: self.b1 = beam1 // 2212 self.b2 = beam2 // 2212 if isinstance(self.banner.run_card, banner_mod.RunCardLO): self.is_lo = True if not self.banner.run_card['use_syst']: raise SystematicsError, 'The events have not been generated with use_syst=True. Cannot evaluate systematics error on these events.' else: self.is_lo = False if not self.banner.run_card['store_rwgt_info']: raise SystematicsError, 'The events have not been generated with store_rwgt_info=True. Cannot evaluate systematics error on these events.' # MUR/MUF/ALPS PARSING if isinstance(mur, str): mur = mur.split(',') self.mur = [float(i) for i in mur] if isinstance(muf, str): muf = muf.split(',') self.muf = [float(i) for i in muf] if isinstance(alps, str): alps = alps.split(',') self.alps = [float(i) for i in alps] # DYNAMICAL SCALE PARSING + together if isinstance(dyn, str): dyn = dyn.split(',') self.dyn = [int(i) for i in dyn] # For FxFx only mode -1 makes sense if matching_mode == 3: self.dyn = [-1] # avoid sqrts at NLO if ISR is possible if 4 in self.dyn and self.b1 and self.b2 and not self.is_lo: self.dyn.remove(4) if isinstance(together, str): self.together = together.split(',') else: self.together = together # START/STOP EVENT self.start_event = int(start_event) self.stop_event = int(stop_event) if start_event != 0: self.log("#starting from event #%s" % start_event) if stop_event != sys.maxint: self.log("#stopping at event #%s" % stop_event) # LHAPDF set if isinstance(lhapdf_config, list): lhapdf_config = lhapdf_config[0] lhapdf = misc.import_python_lhapdf(lhapdf_config) if not lhapdf: log('fail to load lhapdf: doe not perform systematics') return lhapdf.setVerbosity(0) self.pdfsets = {} if isinstance(pdf, str): pdf = pdf.split(',') if isinstance(pdf, list) and isinstance(pdf[0], (str, int)): self.pdf = [] for data in pdf: if data == 'errorset': data = '%s' % self.orig_pdf if data == 'central': data = '%s@0' % self.orig_pdf if '@' in data: #one particular dataset name, arg = data.rsplit('@', 1) if int(arg) == 0: if name.isdigit(): self.pdf.append(lhapdf.mkPDF(int(name))) else: self.pdf.append(lhapdf.mkPDF(name)) elif name.isdigit(): try: self.pdf.append(lhapdf.mkPDF(int(name) + int(arg))) except: raise Exception, 'Individual error sets need to be called with LHAPDF NAME not with LHAGLUE NUMBER' else: self.pdf.append(lhapdf.mkPDF(name, int(arg))) else: if data.isdigit(): pdfset = lhapdf.mkPDF(int(data)).set() else: pdfset = lhapdf.mkPDF(data).set() self.pdfsets[pdfset.lhapdfID] = pdfset self.pdf += pdfset.mkPDFs() else: self.pdf = pdf for p in self.pdf: if p.lhapdfID == self.orig_pdf: self.orig_pdf = p break else: self.orig_pdf = lhapdf.mkPDF(self.orig_pdf) if not self.b1 == 0 == self.b2: self.log("# events generated with PDF: %s (%s)" % (self.orig_pdf.set().name, self.orig_pdf.lhapdfID)) # create all the function that need to be called self.get_all_fct() # define self.fcts and self.args # For e+/e- type of collision initialise the running of alps if self.b1 == 0 == self.b2: try: from models.model_reader import Alphas_Runner except ImportError: root_path = pjoin(root, os.pardir, os.pardir) try: import internal.madevent_interface as me_int cmd = me_int.MadEventCmd(root_path, force_run=True) except ImportError: import internal.amcnlo_run_interface as me_int cmd = me_int.Cmd(root_path, force_run=True) if 'mg5_path' in cmd.options and cmd.options['mg5_path']: sys.path.append(cmd.options['mg5_path']) from models.model_reader import Alphas_Runner if not hasattr(self.banner, 'param_card'): param_card = self.banner.charge_card('param_card') else: param_card = self.banner.param_card asmz = param_card.get_value('sminputs', 3, 0.13) nloop = 2 zmass = param_card.get_value('mass', 23, 91.188) cmass = param_card.get_value('mass', 4, 1.4) if cmass == 0: cmass = 1.4 bmass = param_card.get_value('mass', 5, 4.7) if bmass == 0: bmass = 4.7 self.alpsrunner = Alphas_Runner(asmz, nloop, zmass, cmass, bmass) # Store which weight to keep/removed self.remove_wgts = [] for id in remove_wgts: if id == 'all': self.remove_wgts = ['all'] break elif ',' in id: min_value, max_value = [int(v) for v in id.split(',')] self.remove_wgts += [ i for i in range(min_value, max_value + 1) ] else: self.remove_wgts.append(id) self.keep_wgts = [] for id in keep_wgts: if id == 'all': self.keep_wgts = ['all'] break elif ',' in id: min_value, max_value = [int(v) for v in id.split(',')] self.remove_wgts += [ i for i in range(min_value, max_value + 1) ] else: self.remove_wgts.append(id) # input to start the id in the weight self.start_wgt_id = int(start_id[0]) if (start_id is not None) else None self.has_wgts_pattern = False # tag to check if the pattern for removing
opts['pdf'].append('%s@%s' % (pdf, i)) if not opts['pdf']: opts['pdf'] = 'central' else: #NLO case raise Exception del opts['from_card'] obj = Systematics(input, output, log=log, **opts) if running and obj: obj.run(result) return obj if __name__ == "__main__": sys_args = sys.argv[1:] for i, arg in enumerate(sys_args): if arg.startswith('--lhapdf_config='): lhapdf = misc.import_python_lhapdf(arg[len('--lhapdf_config='):]) del sys_args[i] break if 'lhapdf' not in globals(): lhapdf = misc.import_python_lhapdf('lhapdf-config') if not lhapdf: sys.exit( 'Can not run systematics since can not link python to lhapdf, specify --lhapdf-config=' ) call_systematics(sys_args)