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__date__ = "3 june 2010"
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__author__ = 'olivier.mattelaer@uclouvain.be'
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from function_library import *
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class ParamCardWriter(object):
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"""######################################################################\n""" + \
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"""## PARAM_CARD AUTOMATICALY GENERATED BY THE UFO #####################\n""" + \
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"""######################################################################\n"""
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def __init__(self, filename, list_of_parameters=None, generic=False):
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"""write a valid param_card.dat"""
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if not list_of_parameters:
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from parameters import all_parameters
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list_of_parameters = [param for param in all_parameters if \
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param.nature=='external']
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self.generic_output = generic
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self.define_not_dep_param(list_of_parameters)
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self.fsock = open(filename, 'w')
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self.fsock.write(self.header)
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self.write_card(list_of_parameters)
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def define_not_dep_param(self, list_of_parameters):
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"""define self.dep_mass and self.dep_width in case that they are
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requested in the param_card.dat"""
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from particles import all_particles
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self.dep_mass = [(part, part.mass) for part in all_particles \
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if part.pdg_code > 0 and \
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part.mass not in list_of_parameters]
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self.dep_width = [(part, part.width) for part in all_particles\
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if part.pdg_code > 0 and \
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part.width not in list_of_parameters]
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def order_param(obj1, obj2):
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""" order parameter of a given block """
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maxlen = min([len(obj1.lhacode), len(obj2.lhacode)])
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for i in range(maxlen):
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if obj1.lhacode[i] < obj2.lhacode[i]:
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elif obj1.lhacode[i] == obj2.lhacode[i]:
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#identical up to the first finish
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if len(obj1.lhacode) > len(obj2.lhacode):
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elif len(obj1.lhacode) == len(obj2.lhacode):
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def write_card(self, all_ext_param):
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all_lhablock = set([param.lhablock for param in all_ext_param])
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# ordonate lhablock alphabeticaly
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all_lhablock = list(all_lhablock)
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# put at the beginning SMINPUT + MASS + DECAY
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for name in ['DECAY', 'MASS','SMINPUTS']:
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if name in all_lhablock:
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all_lhablock.remove(name)
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all_lhablock.insert(0, name)
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for lhablock in all_lhablock:
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self.write_block(lhablock)
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need_writing = [ param for param in all_ext_param if \
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param.lhablock == lhablock]
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need_writing.sort(self.order_param)
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[self.write_param(param, lhablock) for param in need_writing]
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if self.generic_output:
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if lhablock in ['MASS', 'DECAY']:
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self.write_dep_param_block(lhablock)
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if self.generic_output:
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def write_block(self, name):
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""" write a comment for a block"""
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self.fsock.writelines(
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"""\n###################################""" + \
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"""\n## INFORMATION FOR %s""" % name.upper() +\
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"""\n###################################\n"""
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self.fsock.write("""Block %s \n""" % name)
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def write_param(self, param, lhablock):
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lhacode=' '.join(['%3s' % key for key in param.lhacode])
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if lhablock != 'DECAY':
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text = """ %s %e # %s \n""" % (lhacode, complex(param.value).real, param.name )
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text = '''DECAY %s %e \n''' % (lhacode, complex(param.value).real)
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self.fsock.write(text)
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def write_dep_param_block(self, lhablock):
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from parameters import all_parameters
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for parameter in all_parameters:
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exec("%s = %s" % (parameter.name, parameter.value))
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text = "## Not dependent paramater.\n"
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text += "## Those values should be edited following analytical the \n"
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text += "## analytical expression. Some generator could simply ignore \n"
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text += "## those values and use the analytical expression\n"
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if lhablock == 'MASS':
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data = self.dep_width
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for part, param in data:
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if isinstance(param.value, str):
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value = complex(eval(param.value)).real
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text += """%s %s %f # %s : %s \n""" %(prefix, part.pdg_code,
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value, part.name, param.value)
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self.fsock.write(text)
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sm_pdg = [1,2,3,4,5,6,11,12,13,13,14,15,16,21,22,23,24,25]
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data="""Block QNUMBERS %(pdg)d # %(name)s
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1 %(charge)d # 3 times electric charge
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2 %(spin)d # number of spin states (2S+1)
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3 %(color)d # colour rep (1: singlet, 3: triplet, 8: octet)
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4 %(antipart)d # Particle/Antiparticle distinction (0=own anti)\n"""
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def write_qnumber(self):
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""" write qnumber """
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from particles import all_particles
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print particles.__file__
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text="""#===========================================================\n"""
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text += """# QUANTUM NUMBERS OF NEW STATE(S) (NON SM PDG CODE)\n"""
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text += """#===========================================================\n\n"""
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for part in all_particles:
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if part.pdg_code in self.sm_pdg or part.pdg_code < 0:
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text += self.data % {'pdg': part.pdg_code,
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'charge': 3 * part.charge,
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'spin': 2 * part.spin + 1,
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'antipart': part.name != part.antiname and 1 or 0}
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self.fsock.write(text)
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if '__main__' == __name__:
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ParamCardWriter('./param_card.dat', generic=True)
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print 'write ./param_card.dat'
added
removed
models/loop_sm_UNITARY_ONLY/write_param_card.py
