def read_individual(indivfile, n=-1):
"""Function to write the data of an individual class object to a flat file
Input:
indivfile = String or fileobject for file to be read from
n = which individual from file to return. Default is last individual written.
optional All
Output:
returns an individual class object or list of individual class objects depending on value of n
"""
if isinstance(indivfile, str):
indivfile = open(indivfile, 'r')
all_lines = indivfile.readlines()
indivfile.close()
linen = 0
all_indivs = []
while linen < len(all_lines):
if '----------' in all_lines[linen]:
individ = Individual(Atoms())
elif 'Structure information' in all_lines[linen]:
natomstruct = int(all_lines[linen + 1])
atomstruct = Atoms()
for i in range(natomstruct):
a = all_lines[linen + i + 3].split()
sym = a[0]
position = [float(a[1]), float(a[2]), float(a[3])]
atomstruct.append(Atom(symbol=sym, position=position))
individ = Individual(atomstruct)
linen += 2 + natomstruct
elif 'structure cell' in all_lines[linen]:
cell_line = all_lines[linen].split('=')
structcell = eval(cell_line[1])
individ[0].set_cell(structcell)
elif 'fitness' in all_lines[linen]:
fitline = all_lines[linen].split('=')
individ.fitness = float(fitline[1])
elif 'history_index' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.history_index = line[1].strip()
elif 'index' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.index = float(line[1])
elif 'tenergymx' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.tenergymx = float(line[1])
elif 'tenergymin' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.tenergymin = float(line[1])
elif 'energy' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.energy = float(line[1])
elif 'pressure' in all_lines[linen]:
line = all_lines[linen].split('=')
# HKK 05-21-2015:: Occassionally found 'Null' pressure during VASP-GA. Need investigation, but setting to 0 pressure for now.
if line[1] and line[1].strip():
individ.pressure = float(line[1])
else:
individ.pressure = 0.0
elif 'volume' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.volume = float(line[1])
elif 'force' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.force = float(line[1])
elif 'purebulkenpa' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.purebulkenpa = float(line[1])
elif 'natomsbulk' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.natomsbulk = float(line[1])
elif 'fingerprint' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.fingerprint = eval(line[1])
elif 'swpalist' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.swaplist = eval(line[1])
elif 'bulki cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.bulki.set_cell(cell)
elif 'bulki' in all_lines[linen]:
natoms = int(all_lines[linen + 1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen + i + 3].split()
sym = a[0]
position = [float(a[1]), float(a[2]), float(a[3])]
atomstruct.append(Atom(symbol=sym, position=position))
individ.bulki = atomstruct.copy()
linen += 2 + natoms
elif 'bulko cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.bulko.set_cell(cell)
elif 'bulko' in all_lines[linen]:
natoms = int(all_lines[linen + 1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen + i + 3].split()
sym = a[0]
position = [float(a[1]), float(a[2]), float(a[3])]
atomstruct.append(Atom(symbol=sym, position=position))
individ.bulko = atomstruct.copy()
linen += 2 + natoms
elif 'box cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.box.set_cell(cell)
elif 'box' in all_lines[linen]:
natoms = int(all_lines[linen + 1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen + i + 3].split()
sym = a[0]
position = [float(a[1]), float(a[2]), float(a[3])]
atomstruct.append(Atom(symbol=sym, position=position))
individ.box = atomstruct.copy()
linen += 2 + natoms
elif 'vacancies cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.vacancies.set_cell(cell)
elif 'vacancies' in all_lines[linen]:
natoms = int(all_lines[linen + 1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen + i + 3].split()
sym = a[0]
position = [float(a[1]), float(a[2]), float(a[3])]
atomstruct.append(Atom(symbol=sym, position=position))
individ.vacancies = atomstruct.copy()
linen += 2 + natoms
elif 'swaps cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.swaps.set_cell(cell)
elif 'swaps' in all_lines[linen]:
natoms = int(all_lines[linen + 1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen + i + 3].split()
sym = a[0]
position = [float(a[1]), float(a[2]), float(a[3])]
atomstruct.append(Atom(symbol=sym, position=position))
individ.swaps = atomstruct.copy()
linen += 2 + natoms
elif 'Finish' in all_lines[linen]:
all_indivs.append(individ.duplicate())
linen += 1
if n == 'All':
return all_indivs
else:
return all_indivs[n]
def read_individual(indivfile, n=-1):
"""Function to write the data of an individual class object to a flat file
Input:
indivfile = String or fileobject for file to be read from
n = which individual from file to return. Default is last individual written.
optional All
Output:
returns an individual class object or list of individual class objects depending on value of n
"""
if isinstance(indivfile, str):
indivfile=open(indivfile, 'r')
all_lines = indivfile.readlines()
indivfile.close()
linen = 0
all_indivs = []
while linen < len(all_lines):
if '----------' in all_lines[linen]:
individ = Individual(Atoms())
elif 'Structure information' in all_lines[linen]:
natomstruct = int(all_lines[linen+1])
atomstruct = Atoms()
for i in range(natomstruct):
a = all_lines[linen+i+3].split()
sym = a[0]
position = [float(a[1]),float(a[2]),float(a[3])]
atomstruct.append(Atom(symbol=sym,position=position))
individ = Individual(atomstruct)
linen += 2+natomstruct
elif 'structure cell' in all_lines[linen]:
cell_line = all_lines[linen].split('=')
structcell = eval(cell_line[1])
individ[0].set_cell(structcell)
elif 'fitness' in all_lines[linen]:
fitline = all_lines[linen].split('=')
individ.fitness = float(fitline[1])
elif 'history_index' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.history_index = line[1].strip()
elif 'index' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.index = float(line[1])
elif 'tenergymx' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.tenergymx = float(line[1])
elif 'tenergymin' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.tenergymin = float(line[1])
elif 'energy' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.energy = float(line[1])
elif 'pressure' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.pressure = float(line[1])
elif 'volume' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.volume = float(line[1])
elif 'force' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.force = float(line[1])
elif 'purebulkenpa' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.purebulkenpa = float(line[1])
elif 'natomsbulk' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.natomsbulk = float(line[1])
elif 'fingerprint' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.fingerprint = eval(line[1])
elif 'swpalist' in all_lines[linen]:
line = all_lines[linen].split('=')
individ.swaplist = eval(line[1])
elif 'bulki cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.bulki.set_cell(cell)
elif 'bulki' in all_lines[linen]:
natoms = int(all_lines[linen+1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen+i+3].split()
sym = a[0]
position = [float(a[1]),float(a[2]),float(a[3])]
atomstruct.append(Atom(symbol=sym,position=position))
individ.bulki = atomstruct.copy()
linen += 2+natoms
elif 'bulko cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.bulko.set_cell(cell)
elif 'bulko' in all_lines[linen]:
natoms = int(all_lines[linen+1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen+i+3].split()
sym = a[0]
position = [float(a[1]),float(a[2]),float(a[3])]
atomstruct.append(Atom(symbol=sym,position=position))
individ.bulko = atomstruct.copy()
linen += 2+natoms
elif 'box cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.box.set_cell(cell)
elif 'box' in all_lines[linen]:
natoms = int(all_lines[linen+1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen+i+3].split()
sym = a[0]
position = [float(a[1]),float(a[2]),float(a[3])]
atomstruct.append(Atom(symbol=sym,position=position))
individ.box = atomstruct.copy()
linen += 2+natoms
elif 'vacancies cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.vacancies.set_cell(cell)
elif 'vacancies' in all_lines[linen]:
natoms = int(all_lines[linen+1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen+i+3].split()
sym = a[0]
position = [float(a[1]),float(a[2]),float(a[3])]
atomstruct.append(Atom(symbol=sym,position=position))
individ.vacancies = atomstruct.copy()
linen += 2+natoms
elif 'swaps cell' in all_lines[linen]:
line = all_lines[linen].split('=')
cell = eval(line[1])
individ.swaps.set_cell(cell)
elif 'swaps' in all_lines[linen]:
natoms = int(all_lines[linen+1])
atomstruct = Atoms()
for i in range(natoms):
a = all_lines[linen+i+3].split()
sym = a[0]
position = [float(a[1]),float(a[2]),float(a[3])]
atomstruct.append(Atom(symbol=sym,position=position))
individ.swaps = atomstruct.copy()
linen += 2+natoms
elif 'Finish' in all_lines[linen]:
all_indivs.append(individ.duplicate())
linen+=1
if n=='All':
return all_indivs
else:
return all_indivs[n]
