DAMASK_EICMD/lib/damask/config/material.py

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# -*- coding: UTF-8 no BOM -*-
# $Id$
import re
class Section():
def __init__(self,data = {'__order__':[]},part = ''):
classes = {
'homogenization':Homogenization,
'microstructure':Microstructure,
'crystallite':Crystallite,
'phase':Phase,
'texture':Texture,
}
self.parameters = {}
for key in data:
if type(data[key]) is not list:
self.parameters[key] = [data[key]]
else:
self.parameters[key] = data[key]
if '__order__' not in self.parameters:
self.parameters['__order__'] = self.parameters.keys()
if part.lower() in classes:
self.__class__ = classes[part.lower()]
self.__init__(data)
def add_multiKey(self,key,data):
multiKey = '(%s)'%key
if multiKey not in self.parameters: self.parameters[multiKey] = []
if multiKey not in self.parameters['__order__']: self.parameters['__order__'] += [multiKey]
if type(data) == list: self.parameters[multiKey] += [[item] for item in data]
else: self.parameters[multiKey] += [[data]]
def data(self):
return self.parameters
class Homogenization(Section):
def __init__(self,data = {'__order__':[]}):
Section.__init__(self,data)
class Crystallite(Section):
def __init__(self,data = {'__order__':[]}):
Section.__init__(self,data)
class Phase(Section):
def __init__(self,data = {'__order__':[]}):
Section.__init__(self,data)
class Microstructure(Section):
def __init__(self,data = {'__order__':[]}):
Section.__init__(self,data)
class Texture(Section):
def __init__(self,data = {'__order__':[]}):
Section.__init__(self,data)
def add_component(self,theType,properties):
if 'scatter' not in map(str.lower,properties.keys()):
scatter = 0.0
else:
scatter = properties['scatter']
if 'fraction' not in map(str.lower,properties.keys()):
fraction = 1.0
else:
fraction = properties['fraction']
try:
multiKey = theType.lower()
except AttributeError:
pass
if multiKey == 'gauss':
self.add_multiKey(multiKey,'phi1 %g\tPhi %g\tphi2 %g\tscatter %g\tfraction %g'%(
properties['eulers'][0],
properties['eulers'][1],
properties['eulers'][2],
scatter,
fraction,
)
)
if multiKey == 'fiber':
self.add_multiKey(multiKey,'alpha1 %g\talpha2 %g\tbeta1 %g\tbeta2 %g\tscatter %g\tfraction %g'%(
properties['eulers'][0],
properties['eulers'][1],
properties['eulers'][2],
properties['eulers'][3],
scatter,
fraction,
)
)
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class Material():
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"""Reads, manipulates and writes material.config files"""
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__slots__ = ['data']
def __init__(self,verbose=True):
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"""generates ordered list of parts"""
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self.parts = [
'homogenization',
'microstructure',
'crystallite',
'phase',
'texture',
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]
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self.data = {\
'homogenization': {'__order__': []},
'microstructure': {'__order__': []},
'crystallite': {'__order__': []},
'phase': {'__order__': []},
'texture': {'__order__': []},
}
self.verbose = verbose
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def __repr__(self):
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"""returns current configuration to be used as material.config"""
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me = []
for part in self.parts:
if self.verbose: print('doing '+part)
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me += ['','#-----------------------------#','<%s>'%part,'#-----------------------------#',]
for section in self.data[part]['__order__']:
me += ['','[%s] %s'%(section,'-'*max(0,27-len(section))),'',]
for key in self.data[part][section]['__order__']:
if key.startswith('(') and key.endswith(')'): # multiple (key)
me += ['%s\t%s'%(key,' '.join(values)) for values in self.data[part][section][key]]
else: # plain key
me += ['%s\t%s'%(key,' '.join(map(str,self.data[part][section][key])))]
return '\n'.join(me)
def parse_data(self, part=None, sections=[], content=None):
re_part = re.compile(r'^<(.+)>$') # pattern for part
re_sec = re.compile(r'^\[(.+)\]$') # pattern for section
name_section = ''
active = False
for line in content:
line = line.split('#')[0].strip() # kill comments and extra whitespace
line = line.split('/echo/')[0].strip() # remove '/echo/' tags
line = line.lower() # be case insensitive
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if line: # content survives...
match_part = re_part.match(line.split()[0])
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if match_part: # found <part> separator
active = (match_part.group(1) == part) # only active in <part>
continue
if active:
match_sec = re_sec.match(line.split()[0])
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if match_sec: # found [section]
name_section = match_sec.group(1) # remember name ...
if '__order__' not in self.data[part]: self.data[part]['__order__'] = []
self.data[part]['__order__'].append(name_section) # ... and position
self.data[part][name_section] = {'__order__':[]}
continue
if sections == [] or name_section in sections: # respect subset
items = line.split()
if items[0] not in self.data[part][name_section]: # first encounter of key?
self.data[part][name_section][items[0]] = [] # create item
self.data[part][name_section]['__order__'].append(items[0])
if items[0].startswith('(') and items[0].endswith(')'): # multiple "(key)"
self.data[part][name_section][items[0]].append(items[1:])
else: # plain key
self.data[part][name_section][items[0]] = items[1:]
def read(self,file=None):
f=open(file,'r')
c=f.readlines()
f.close()
for p in self.parts:
self.parse_data(part=p, content=c)
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def write(self,file='material.config', overwrite=False):
import os
i = 0
saveFile = file
while not overwrite and os.path.exists(saveFile):
i += 1
saveFile = file+'_%i'%i
if self.verbose: print('Writing material data to file %s'%saveFile)
f=open(saveFile,'w')
f.write(str(self)+'\n') #newline at end
f.close()
return saveFile
def add_section(self, part=None, section=None, initialData=None, merge = False):
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"""adding/updating"""
part = part.lower()
section = section.lower()
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if part not in self.parts: raise Exception('invalid part %s'%part)
if type(initialData) is not dict:
initialData = initialData.data()
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if section not in self.data[part]: self.data[part]['__order__'] += [section]
if section in self.data[part] and merge:
for existing in self.data[part][section]['__order__']: # replace existing
if existing in initialData['__order__']:
if existing.startswith('(') and existing.endswith(')'): # multiple (key)
self.data[part][section][existing] += initialData[existing] # add new multiple entries to existing ones
else: # regular key
self.data[part][section][existing] = initialData[existing] # plain replice
for new in initialData['__order__']: # merge new content
if new not in self.data[part][section]['__order__']:
self.data[part][section][new] = initialData[new]
self.data[part][section]['__order__'] += [new]
else:
self.data[part][section] = initialData
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def add_microstructure(self, section='',
components={}, # dict of phase,texture, and fraction lists
):
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"""Experimental! Needs expansion to multi-constituent microstructures..."""
microstructure = Microstructure()
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# make keys lower case (http://stackoverflow.com/questions/764235/dictionary-to-lowercase-in-python)
components=dict((k.lower(), v) for k,v in components.iteritems())
for key in ['phase','texture','fraction','crystallite']:
if type(components[key]) is not list:
try:
components[key] = [components[key].lower()]
except AttributeError:
components[key] = [components[key]]
else:
for i, x in enumerate(components[key]):
try:
components[key][i] = x.lower()
except AttributeError:
pass
for (phase,texture,fraction,crystallite) in zip(components['phase'],components['texture'],
components['fraction'],components['crystallite']):
microstructure.add_multiKey('constituent','phase %i\ttexture %i\tfraction %g\ncrystallite %i'%(
self.data['phase']['__order__'].index(phase)+1,
self.data['texture']['__order__'].index(texture)+1,
fraction,
self.data['crystallite']['__order__'].index(crystallite)+1))
self.add_section('microstructure',section,microstructure)
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def change_value(self, part=None,
section=None,
key=None,
value=None):
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if not isinstance(value,list):
if not isinstance(value,str):
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value = '%s'%value
value = [value]
newlen = len(value)
oldval = self.data[part.lower()][section.lower()][key.lower()]
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oldlen = len(oldval)
print('changing %s:%s:%s from %s to %s '%(part.lower(),section.lower(),key.lower(),oldval,value))
self.data[part.lower()][section.lower()][key.lower()] = value
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if newlen is not oldlen:
print('Length of value was changed from %i to %i!'%(oldlen,newlen))