186 lines
7.7 KiB
Python
186 lines
7.7 KiB
Python
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class Material():
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'''
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Reads, manipulates and writes material.config files
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'''
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__slots__ = ['data']
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def __init__(self):
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self.parts = [
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'homogenization',
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'microstructure',
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'crystallite',
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'phase',
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'texture',
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] # ordered (!) list of parts
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self.data = {\
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'homogenization': {'__order__': []},
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'microstructure': {'__order__': []},
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'crystallite': {'__order__': []},
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'phase': {'__order__': []},
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'texture': {'__order__': []},
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}
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def __repr__(self):
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me = []
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for part in self.parts:
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print 'doing',part
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me += ['','#-----------------------------#','<%s>'%part,'#-----------------------------#',]
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for section in self.data[part]['__order__']:
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me += ['','[%s] %s'%(section,'-'*max(0,27-len(section))),'',]
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for key in self.data[part][section]['__order__']:
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if key.startswith('(') and key.endswith(')'): # multiple (key)
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me += ['%s\t%s'%(key,' '.join(values)) for values in self.data[part][section][key]]
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else: # plain key
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me += ['%s\t%s'%(key,' '.join(map(str,self.data[part][section][key])))]
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return '\n'.join(me)
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def parse_data(self, part=None, sections=[], content=None):
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re_part = re.compile(r'^<(.+)>$') # pattern for part
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re_sec = re.compile(r'^\[(.+)\]$') # pattern for section
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name_section = ''
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idx_section = 0
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active = False
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for line in content:
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line = line.split('#')[0].strip() # kill comments and extra whitespace
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if line: # content survives...
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match_part = re_part.match(line)
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if match_part: # found <part> separator
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active = (match_part.group(1) == part) # only active in <part>
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continue
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if active:
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match_sec = re_sec.match(line)
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if match_sec: # found [section]
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name_section = match_sec.group(1) # remember name ...
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if '__order__' not in self.data[part]: self.data[part]['__order__'] = []
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self.data[part]['__order__'].append(name_section) # ... and position
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self.data[part][name_section] = {'__order__':[]}
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continue
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if sections == [] or name_section in sections: # respect subset
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items = line.split()
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if items[0] not in self.data[part][name_section]: # first encounter of key?
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self.data[part][name_section][items[0]] = [] # create item
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self.data[part][name_section]['__order__'].append(items[0])
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if items[0].startswith('(') and items[0].endswith(')'): # multiple "(key)"
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self.data[part][name_section][items[0]].append(items[1:])
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else: # plain key
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self.data[part][name_section][items[0]] = items[1:]
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def read(self,file=None):
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f=open(file,'r')
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c=f.readlines()
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f.close()
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for p in self.parts:
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self.parse_data(part=p, content=c)
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def write(self,file='material.config', overwrite=False):
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if overwrite is False:
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if os.path.exists(file):
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i=1
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while os.path.exists(file+'_%i'%i):i+=1
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file+='_%i'%i
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print('Writing material data to file %s'%file)
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f=open(file,'w')
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f.write(str(self))
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f.close()
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return file
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def add_data(self, part=None, section=None, data={}):
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'''Generic data adding/updating'''
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if part not in self.parts: raise Exception('invalid part %s'%part)
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if section not in self.data[part]: self.data[part]['__order__'] += [section]
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self.data[part][section] = data
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def add_homogenization(self, label='', type='', Ngrains=None):
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if type.lower() == 'isostrain':
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self.add_data(part='homogenization',
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section=label,
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data={'type':[type],
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'Ngrains':[Ngrains],
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'__order__':['type','Ngrains']
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}
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)
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elif type.lower() == 'rgc':
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raise Exception('Please implement me')
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def add_crystallite(self, label='', output=[]):
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self.add_data(part='crystallite',
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section=label,
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data={'(output)':[[o] for o in output],
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'__order__':'(output)'})
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def add_texture(self, label='',type='', eulers=[], scatter=0., fraction=1.):
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''' Experimental! Needs expansion to multi-component textures...'''
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if type == '(gauss)':
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texture={type:[['phi1','%f'%float(eulers[0]),'Phi','%f'%float(eulers[1]), 'phi2','%f'%float(eulers[2]),'scatter','%f'%float(scatter), 'fraction','%f'%fraction]],'__order__':label}
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#self.data['texture'][label]=texture
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#if len(self.data['texture'])>old_len: # added new label
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# self.data['texture']['__order__'].append(label)
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else:
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raise Exception('Please implement me.')
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self.add_data(part='texture',section=label, data=texture)
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def add_phase(self, file='', label='', newlabel=None, phase=None):
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''' USAGE:
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- read phase "label" from file
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OR
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- phase is dict with one key
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'''
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if file and label and (phase is None):
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other=MATERIAL_CONFIG()
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other.read(file=file)
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phase={label:other.data['phase'][label]}
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label=None
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print phase
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if len(phase)==1 and label is None:
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if newlabel:
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label=newlabel
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else:
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label=phase.keys()[0]
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print('Adding phase %s'%label)
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self.add_data(part='phase', section=label, data=phase)
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else:
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raise Exception('Wrong arguments')
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def add_microstructure(self, label=None,
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crystallite=None, # label
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phases=None, # list of labels
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textures=None, # list of labels
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fractions=None): # list of floats
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''' Experimental! Needs expansion to multi-constituent microstructures...'''
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c=self.data['crystallite']['__order__'].index(crystallite)+1
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constituent=phases[:]
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if fractions is None:
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fractions=[1./len(phases)]*len(phases)
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for i in range(len(phases)):
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p=self.data['phase']['__order__'].index(phases[i])+1
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t=self.data['texture']['__order__'].index(textures[i])+1
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f=fractions[i]
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constituent[i]=['phase','%i'%p,'texture','%i'%t,'fraction','%f'%f]
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data={'crystallite':['%i'%c],
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'(constituent)':constituent,
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'__order__':['crystallite','(constituent)']}
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self.add_data(part='microstructure',section=label,data=data)
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def change_value(self, part=None,
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section=None,
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key=None,
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value=None):
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if type(value) is not type([]):
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if type(value) is not type('s'):
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value = '%s'%value
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value = [value]
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newlen = len(value)
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oldval = self.data[part][section][key]
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oldlen = len(oldval)
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print('changing %s:%s:%s:%s'%(part,section,key,oldval))
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self.data[part][section][key] = value
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print('new: %s'%self.data[part][section][key])
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if newlen is not oldlen:
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print('Length of value was changed from %i to %i!'%(oldlen,newlen))
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