481 lines
16 KiB
Python
481 lines
16 KiB
Python
from diceplayer.shared.interface.gaussian_interface import GaussianInterface
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from diceplayer.shared.interface.dice_interface import DiceInterface
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from diceplayer.shared.utils.dataclass_protocol import Dataclass
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from diceplayer.shared.config.gaussian_config import GaussianDTO
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from diceplayer.shared.config.player_config import PlayerConfig
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from diceplayer.shared.config.dice_config import DiceConfig
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from diceplayer.shared.utils.misc import weekday_date_time
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from diceplayer.shared.environment.molecule import Molecule
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from diceplayer.shared.environment.system import System
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from diceplayer.shared.environment.atom import Atom
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from diceplayer.shared.utils.ptable import atomsymb
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from diceplayer import logger
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from dataclasses import fields
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from typing import Type, Tuple
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from pathlib import Path
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import pickle
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import yaml
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import sys
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import os
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ENV = ["OMP_STACKSIZE"]
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class Player:
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def __init__(self, infile: str = None, optimization: bool = False):
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if infile is None and optimization is False:
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raise ValueError("Must specify either infile or optimization")
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elif infile is not None:
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self.config = self.set_config(
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self.read_keywords(infile)
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)
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self.system = System()
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self.initial_cycle = 1
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elif optimization is True:
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save = self.load_run_from_pickle()
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self.config = save[0]
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self.system = save[1]
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self.initial_cycle = save[2] + 1
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else:
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raise ValueError("Must specify either infile or config")
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self.dice_interface = DiceInterface()
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self.gaussian_interface = GaussianInterface()
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def start(self):
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logger.info(
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"==========================================================================================\n"
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"Starting the iterative process.\n"
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"==========================================================================================\n"
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)
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for cycle in range(self.initial_cycle, self.initial_cycle + self.config.maxcyc + 1):
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logger.info(
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f"------------------------------------------------------------------------------------------\n"
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f" Step # {cycle}\n"
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f"------------------------------------------------------------------------------------------\n"
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)
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self.dice_start(cycle)
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try:
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self.gaussian_start(cycle)
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except StopIteration:
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break
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self.save_run_in_pickle(cycle)
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def prepare_system(self):
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for i, mol in enumerate(self.system.molecule):
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logger.info(
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f"Molecule {i + 1} - {mol.molname}"
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)
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mol.print_mol_info()
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logger.info(
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"\n Translating and rotating molecule to standard orientation..."
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)
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mol.standard_orientation()
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logger.info("\n Done")
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logger.info("\nNew values:\n")
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mol.print_mol_info()
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logger.info("\n")
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def create_simulation_dir(self):
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simulation_dir_path = Path(self.config.simulation_dir)
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if simulation_dir_path.exists():
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raise FileExistsError(
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f"Error: a file or a directory {self.config.simulation_dir} already exists,"
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f" move or delete the simfiles directory to continue."
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)
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simulation_dir_path.mkdir()
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def create_geoms_file(self):
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geoms_file_path = Path(self.config.geoms_file)
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if geoms_file_path.exists():
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raise FileExistsError(
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f"Error: a file or a directory {self.config.geoms_file} already exists,"
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f" move or delete the simfiles directory to continue."
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)
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geoms_file_path.touch()
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def print_keywords(self) -> None:
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def log_keywords(config: Dataclass, dto: Type[Dataclass]):
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for key in sorted(list(map(lambda f: f.name, fields(dto)))):
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if getattr(config, key) is not None:
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if isinstance(getattr(config, key), list):
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string = " ".join(str(x) for x in getattr(config, key))
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logger.info(f"{key} = [ {string} ]")
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else:
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logger.info(f"{key} = {getattr(config, key)}")
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logger.info(
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"##########################################################################################\n"
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"############# Welcome to DICEPLAYER version 1.0 #############\n"
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"##########################################################################################\n"
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)
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logger.info("Your python version is {}\n".format(sys.version))
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logger.info("Program started on {}\n".format(weekday_date_time()))
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logger.info("Environment variables:")
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for var in ENV:
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logger.info(
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"{} = {}\n".format(
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var, (os.environ[var] if var in os.environ else "Not set")
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)
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)
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logger.info(
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"------------------------------------------------------------------------------------------\n"
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" DICE variables being used in this run:\n"
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"------------------------------------------------------------------------------------------\n"
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)
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log_keywords(self.config.dice, DiceConfig)
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logger.info(
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"------------------------------------------------------------------------------------------\n"
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" GAUSSIAN variables being used in this run:\n"
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"------------------------------------------------------------------------------------------\n"
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)
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log_keywords(self.config.gaussian, GaussianDTO)
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logger.info("\n")
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def read_potentials(self):
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ljname_path = Path(self.config.dice.ljname)
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if ljname_path.exists():
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with open(self.config.dice.ljname) as file:
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ljc_data = file.readlines()
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else:
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raise RuntimeError(
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f"Potential file {self.config.dice.ljname} not found."
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)
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combrule = ljc_data.pop(0).split()[0]
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if combrule not in ("*", "+"):
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sys.exit(
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"Error: expected a '*' or a '+' sign in 1st line of file {}".format(
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self.config.dice.ljname
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)
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)
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self.config.dice.combrule = combrule
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ntypes = ljc_data.pop(0).split()[0]
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if not ntypes.isdigit():
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sys.exit(
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"Error: expected an integer in the 2nd line of file {}".format(
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self.config.dice.ljname
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)
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)
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ntypes = int(ntypes)
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if ntypes != len(self.config.dice.nmol):
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sys.exit(
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f"Error: number of molecule types in file {self.config.dice.ljname} "
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f"must match that of 'nmol' keyword in config file"
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)
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for i in range(ntypes):
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try:
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nsites, molname = ljc_data.pop(0).split()[:2]
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except ValueError:
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raise ValueError(
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f"Error: expected nsites and molname for the molecule type {i + 1}"
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)
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if not nsites.isdigit():
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raise ValueError(
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f"Error: expected nsites to be an integer for molecule type {i + 1}"
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)
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nsites = int(nsites)
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self.system.add_type(Molecule(molname))
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atom_fields = ["lbl", "na", "rx", "ry", "rz", "chg", "eps", "sig"]
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for j in range(nsites):
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new_atom = dict(zip(
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atom_fields,
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ljc_data.pop(0).split()
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))
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self.system.molecule[i].add_atom(
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Atom(**self.validate_atom_dict(i, j, new_atom))
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)
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def print_potentials(self) -> None:
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formatstr = "{:<3d} {:>3d} {:>10.5f} {:>10.5f} {:>10.5f} {:>10.6f} {:>9.5f} {:>7.4f} {:>9.4f}"
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logger.info(
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"==========================================================================================\n"
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f" Potential parameters from file {self.config.dice.ljname}:\n"
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"------------------------------------------------------------------------------------------"
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"\n"
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)
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logger.info(f"Combination rule: {self.config.dice.combrule}")
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logger.info(
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f"Types of molecules: {len(self.system.molecule)}\n"
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)
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i = 0
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for mol in self.system.molecule:
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i += 1
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logger.info(
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"{} atoms in molecule type {}:".format(len(mol.atom), i)
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)
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logger.info(
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"---------------------------------------------------------------------------------"
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)
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logger.info(
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"Lbl AN X Y Z Charge Epsilon Sigma Mass"
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)
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logger.info(
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"---------------------------------------------------------------------------------"
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)
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for atom in mol.atom:
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logger.info(
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formatstr.format(
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atom.lbl,
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atom.na,
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atom.rx,
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atom.ry,
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atom.rz,
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atom.chg,
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atom.eps,
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atom.sig,
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atom.mass,
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)
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)
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logger.info("\n")
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def dice_start(self, cycle: int):
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self.dice_interface.configure(
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self.config,
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self.system,
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)
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self.dice_interface.start(cycle)
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self.dice_interface.reset()
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def gaussian_start(self, cycle: int):
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self.gaussian_interface.configure(
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self.config,
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self.system,
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)
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result = self.gaussian_interface.start(cycle)
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self.gaussian_interface.reset()
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if self.config.opt:
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if 'position' not in result:
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raise RuntimeError(
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'Optimization failed. No position found in result.'
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)
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self.system.update_molecule(result['position'])
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else:
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if 'charges' not in result:
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raise RuntimeError(
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'Charges optimization failed. No charges found in result.'
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)
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diff = self.system.molecule[0] \
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.update_charges(result['charges'])
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self.system.print_charges_and_dipole(cycle)
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self.print_geoms(cycle)
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if diff < self.config.gaussian.chg_tol:
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logger.info(
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f'Charges converged after {cycle} cycles.'
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)
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raise StopIteration()
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def print_geoms(self, cycle: int):
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with open(self.config.geoms_file, 'a') as file:
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file.write(f'Cycle # {cycle}\n')
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for atom in self.system.molecule[0].atom:
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symbol = atomsymb[atom.na]
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file.write(
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f'{symbol:<2s} {atom.rx:>10.6f} {atom.ry:>10.6f} {atom.rz:>10.6f}\n'
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)
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file.write('\n')
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@staticmethod
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def validate_atom_dict(molecule_type, molecule_site, atom_dict: dict) -> dict:
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molecule_type += 1
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molecule_site += 1
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if len(atom_dict) < 8:
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raise ValueError(
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f'Invalid number of fields for site {molecule_site} for molecule type {molecule_type}.'
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)
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try:
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atom_dict['lbl'] = int(atom_dict['lbl'])
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except Exception:
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raise ValueError(
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f'Invalid lbl fields for site {molecule_site} for molecule type {molecule_type}.'
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)
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try:
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atom_dict['na'] = int(atom_dict['na'])
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except Exception:
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raise ValueError(
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f'Invalid na fields for site {molecule_site} for molecule type {molecule_type}.'
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)
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try:
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atom_dict['rx'] = float(atom_dict['rx'])
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except Exception:
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raise ValueError(
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f'Invalid rx fields for site {molecule_site} for molecule type {molecule_type}. '
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f'Value must be a float.'
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)
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try:
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atom_dict['ry'] = float(atom_dict['ry'])
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except Exception:
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raise ValueError(
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f'Invalid ry fields for site {molecule_site} for molecule type {molecule_type}. '
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f'Value must be a float.'
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)
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try:
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atom_dict['rz'] = float(atom_dict['rz'])
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except Exception:
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raise ValueError(
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f'Invalid rz fields for site {molecule_site} for molecule type {molecule_type}. '
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f'Value must be a float.'
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)
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try:
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atom_dict['chg'] = float(atom_dict['chg'])
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except Exception:
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raise ValueError(
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f'Invalid chg fields for site {molecule_site} for molecule type {molecule_type}. '
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f'Value must be a float.'
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)
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try:
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atom_dict['eps'] = float(atom_dict['eps'])
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except Exception:
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raise ValueError(
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f'Invalid eps fields for site {molecule_site} for molecule type {molecule_type}. '
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f'Value must be a float.'
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)
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try:
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atom_dict['sig'] = float(atom_dict['sig'])
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except Exception:
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raise ValueError(
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f'Invalid sig fields for site {molecule_site} for molecule type {molecule_type}. '
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f'Value must be a float.'
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)
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return atom_dict
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def print_results(self):
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formatstr = "{:<3d} {:>3d} {:>10.5f} {:>10.5f} {:>10.5f} {:>10.6f} {:>9.5f} {:>7.4f} {:>9.4f}"
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mol = self.system.molecule[0]
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logger.info(
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"{} atoms in molecule type {}:".format(len(mol.atom), 1)
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)
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logger.info(
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"---------------------------------------------------------------------------------"
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)
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logger.info(
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"Lbl AN X Y Z Charge Epsilon Sigma Mass"
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)
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logger.info(
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"---------------------------------------------------------------------------------"
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)
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for atom in mol.atom:
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logger.info(
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formatstr.format(
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atom.lbl,
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atom.na,
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atom.rx,
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atom.ry,
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atom.rz,
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atom.chg,
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atom.eps,
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atom.sig,
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atom.mass,
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)
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)
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logger.info("\n")
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def save_run_in_pickle(self, cycle):
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try:
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with open('latest-step.pkl', 'wb') as pickle_file:
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pickle.dump(
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(self.config, self.system, cycle),
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pickle_file
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)
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except Exception:
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raise RuntimeError(
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f'Could not save pickle file latest-step.pkl.'
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)
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@staticmethod
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def load_run_from_pickle() -> Tuple[PlayerConfig, System, int]:
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pickle_path = Path("latest-step.pkl")
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try:
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with open(pickle_path, 'rb') as pickle_file:
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save = pickle.load(pickle_file)
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return save[0], save[1], save[2] + 1
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except Exception:
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raise RuntimeError(
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f'Could not load pickle file {pickle_path}.'
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)
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@staticmethod
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def set_config(data: dict) -> PlayerConfig:
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return PlayerConfig.from_dict(data)
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@staticmethod
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def read_keywords(infile) -> dict:
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with open(infile, 'r') as yml_file:
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config = yaml.load(yml_file, Loader=yaml.SafeLoader)
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if "diceplayer" in config:
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return config.get("diceplayer")
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raise RuntimeError(
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f'Could not find diceplayer section in {infile}.'
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)
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@classmethod
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def from_file(cls, infile: str) -> 'Player':
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return cls(infile=infile)
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@classmethod
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def from_save(cls):
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return cls(optimization=True)
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