Files
DicePlayer/diceplayer-0.0.1.py
2021-12-06 21:20:32 -03:00

295 lines
8.1 KiB
Python

#!/export/apps/python/361/bin/python3
import os, sys, time, signal
import argparse
import shutil
from multiprocessing import Process, connection
import DPpack.Dice as Dice
import DPpack.Gaussian as Gaussian
from DPpack.PTable import *
from DPpack.SetGlobals import *
from DPpack.MolHandling import *
from DPpack.Misc import *
if __name__ == '__main__':
#### Read and store the arguments passed to the program ####
#### and set the usage and help messages ####
parser = argparse.ArgumentParser(prog='Diceplayer')
parser.add_argument('--version', action='version', version='%(prog)s 1.0')
parser.add_argument('-i', dest='infile', default='control.in', metavar='INFILE',
help='input file of diceplayer [default = control.in]')
parser.add_argument('-o', dest='outfile', default='run.log', metavar='OUTFILE',
help='output file of diceplayer [default = run.log]')
args = parser.parse_args()
#### Read and check the keywords in INFILE
read_keywords(args.infile)
check_keywords(args.infile)
#### Open OUTFILE for writing and print keywords and initial info
try:
if player['initcyc'] > 1 and os.path.exists(args.outfile):
oldname = args.outfile + ".old"
os.replace(args.outfile, oldname)
logfh = open(args.outfile, 'w', 1)
except EnvironmentError as err:
sys.exit(err)
print_keywords(logfh)
#### Check whether the executables are in the path
check_executables(logfh)
#### Read the potential, store the info in 'molecules' and prints the info in OUTFILE
read_potential(args.infile)
if player['lps'] == "yes":
read_lps()
if player['ghosts'] == "yes":
read_ghosts()
print_potential(logfh)
#### Bring the molecules to standard orientation and prints info about them
for i in range(len(molecules)):
logfh.write("\nMolecule type {}:\n\n".format(i + 1))
print_mol_info(molecules[i], logfh)
logfh.write(" Translating and rotating molecule to standard orientation...")
standard_orientation(molecules[i])
logfh.write(" Done\n\n New values:\n")
print_mol_info(molecules[i], logfh)
logfh.write(90 * "=")
logfh.write("\n")
#### Open the geoms.xyz file and prints the initial geometry if starting from zero
if player['initcyc'] == 1:
try:
geomsfh = open("geoms.xyz", "w", 1)
except EnvironmentError as err:
sys.exit(err)
print_geom(0, geomsfh)
else:
try:
geomsfh = open("geoms.xyz", "A", 1)
except EnvironmentError as err:
sys.exit(err)
logfh.write("\nStarting the iterative process.\n")
## Initial position (in Bohr)
position = read_position(molecules[0])
## If restarting, read the last gradient and hessian
if player['initcyc'] > 1:
if player['qmprog'] in ("g03", "g09", "g16"):
Gaussian.read_forces("grad_hessian.dat")
Gaussian.read_hessian_fchk("grad_hessian.dat")
#if player['qmprog'] == "molcas":
#Molcas.read_forces("grad_hessian.dat")
#Molcas.read_hessian("grad_hessian.dat")
####
#### Start the iterative process
####
for cycle in range(player['initcyc'], player['initcyc'] + player['maxcyc']):
logfh.write("\n" + 90 * "-" + "\n")
logfh.write("{} Step # {}\n".format(40 * " ", cycle))
logfh.write(90 * "-" + "\n\n")
make_step_dir(cycle)
if player['altsteps'] == 0 or cycle == 1:
dice['randominit'] = True
else:
dice['randominit'] = False
####
#### Start block of parallel simulations
####
procs = []
sentinels = []
for proc in range(1, player['nprocs'] + 1):
p = Process(target=Dice.simulation_process, args=(cycle, proc, logfh))
p.start()
procs.append(p)
sentinels.append(p.sentinel)
while procs:
finished = connection.wait(sentinels)
for proc_sentinel in finished:
i = sentinels.index(proc_sentinel)
status = procs[i].exitcode
procs.pop(i)
sentinels.pop(i)
if status != 0:
for p in procs:
p.terminate()
sys.exit(status)
for proc in range(1, player['nprocs'] + 1):
Dice.print_last_config(cycle, proc)
####
#### End of parallel simulations block
####
## Make ASEC
logfh.write("\nBuilding the ASEC and vdW meanfields... ")
asec_charges = populate_asec_vdw(cycle, logfh)
## After ASEC is built, compress files bigger than 1MB
for proc in range(1, player['nprocs'] + 1):
path = "step{:02d}".format(cycle) + os.sep + "p{:02d}".format(proc)
compress_files_1mb(path)
####
#### Start QM calculation
####
make_qm_dir(cycle)
if player['opt'] == "yes":
##
## Gaussian block
##
if player['qmprog'] in ("g03", "g09", "g16"):
if cycle > 1:
src = "step{:02d}".format(cycle - 1) + os.sep + "qm" + os.sep + "asec.chk"
dst = "step{:02d}".format(cycle) + os.sep + "qm" + os.sep + "asec.chk"
shutil.copyfile(src, dst)
Gaussian.make_force_input(cycle, asec_charges)
Gaussian.run_gaussian(cycle, "force", logfh)
Gaussian.run_formchk(cycle, logfh)
## Read the gradient
file = "step{:02d}".format(cycle) + os.sep + "qm" + os.sep + "asec.fchk"
gradient = Gaussian.read_forces(file, logfh)
if len(cur_gradient) > 0:
old_gradient = cur_gradient
cur_gradient = gradient
## If 1st step, read the hessian
if cycle == 1:
if player['readhessian'] == "yes":
file = "grad_hessian.dat"
logfh.write("\nReading the hessian matrix from file {}\n".format(file))
hessian = Gaussian.read_hessian_fchk(file)
else:
file = "step01" + os.sep + "qm" + os.sep + "asec.fchk"
logfh.write("\nReading the hessian matrix from file {}\n".format(file))
hessian = Gaussian.read_hessian(file)
## From 2nd step on, update the hessian
else:
logfh.write("\nUpdating the hessian matrix using the BFGS method... ")
hessian = update_hessian(step, cur_gradient, old_gradient, hessian)
logfh.write("Done\n")
## Save gradient and hessian
Gaussian.print_grad_hessian(cycle, cur_gradient, hessian)
## Calculate the step and update the position
step = calculate_step(cur_gradient, hessian, logfh)
position += step
## Update the geometry of the reference molecule
update_molecule(position, logfh)
## If needed, calculate the charges
if cycle < player['switchcyc']:
Gaussian.make_charge_input(cycle, asec_charges)
Gaussian.run_gaussian(cycle, "charge", logfh)
## Read the new charges and update molecules[0]
if cycle < player['switchcyc']:
file = "step{:02d}".format(cycle) + os.sep + "qm" + os.sep + "asec2.log"
Gaussian.read_charges(file, logfh)
else:
file = "step{:02d}".format(cycle) + os.sep + "qm" + os.sep + "asec.log"
Gaussian.read_charges(file, logfh)
## Print new info for molecule[0]
logfh.write("\nNew values for molecule type 1:\n\n")
print_mol_info(molecules[0], logfh)
## Print new geometry in geoms.xyz
print_geom(cycle, geomsfh)
##
## Molcas block
##
#if player['qmprog'] == "molcas":
#elif player['opt'] == "ts":
##
## Gaussian block
##
#if player['qmprog'] in ("g03", "g09", "g16"):
##
## Molcas block
##
#if player['qmprog'] == "molcas":
else: ## Only relax the charge distribution
if player['qmprog'] in ("g03", "g09", "g16"):
if cycle > 1:
src = "step{:02d}".format(cycle - 1) + os.sep + "qm" + os.sep + "asec.chk"
dst = "step{:02d}".format(cycle) + os.sep + "qm" + os.sep + "asec.chk"
shutil.copyfile(src, dst)
Gaussian.make_charge_input(cycle, asec_charges)
Gaussian.run_gaussian(cycle, "charge", logfh)
file = "step{:02d}".format(cycle) + os.sep + "qm" + os.sep + "asec2.log"
Gaussian.read_charges(file)
## Print new info for molecule[0]
logfh.write("\nNew values for molecule type 1:\n\n")
print_mol_info(molecules[0], logfh)
#if player['qmprog'] == "molcas":
####
#### End of the iterative process
####
## imprimir ultimas mensagens, criar um arquivo de potencial para ser usado em eventual
## continuacao, fechar arquivos (geoms.xyz, run.log, ...)
logfh.write("\nDiceplayer finished normally!\n")
logfh.close()
####
#### End of the program
####