Esempio n. 1
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    def init_enum(self,enumdicts,systemSpecies,runGetKpoints = True):
        from aBuild.enumeration import Enumerate
        from aBuild.calculators.vasp import VASP
        from aBuild.database.crystal import Crystal
        from aBuild.jobs import Job
        from random import randrange
        from aBuild.utility import chdir
        from numpy import array
        from os import remove, path

        #        from crystal import Crystal
        from os import path
        import os

        #    if not path.isdir(self.root):
        #    os.mkdir(self.root)
        print("Building database from enumerations")
        self.crystals = []
        #        configIndex = startPoint = self._starting_point
#########################my changes#########################3
        iterations = 0
########################################################
        for eDict in enumdicts:
            enumController = Enumerate(eDict)
            if enumController.nEnumStructs == 0:
                msg.warn('There are no enumerated structures for lattice type {}.  Not building any VASP folders for them.'.format(self.enumDicts[index]["name"]))
                enumController.buildInputFile()

                enumController.enumerate()
Esempio n. 2
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    def randomDisplace(self):
        from numpy.random import randn
        msg.warn("Warning:  You are about to move basis atoms around")

        for ibv, bv in enumerate(self.Bv_cartesian):
            disp = 0.05 * randn(3)
            self.basis[ibv] = bv + disp
        self.coordsys = 'C'
Esempio n. 3
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    def status(self):
        from os import path
        from time import time
        from aBuild.utility import grep
        import os

        ctime = time()
        with chdir(self.directory):
            outcar = self._check_file_exists('OUTCAR')
            incar = self._check_file_exists('INCAR')
            kpoints = self._check_file_exists('KPOINTS')
            potcar = self._check_file_exists('POTCAR')
            poscar = self._check_file_exists('POSCAR')
            if not (incar and kpoints and potcar and poscar):
                return 'not setup'

            if incar:
                relax = grep('INCAR', 'IBRION')
                if '-1' not in relax or relax is []:
                    static = True
                else:
                    static = False
            else:
                msg.warn("No INCAR found.  That seems odd..")

                outcarfinishtags = self._check_tag_exists(
                    'OUTCAR',
                    '------------------------ aborting loop because EDIFF is reached ----------------------------------------\n'
                ) or self._check_tag_exists('OUTCAR', ' writing wavefunctions')

            if outcar:
                time = path.getmtime('OUTCAR')
                sgrcon = grep('OUTCAR', 'SGRCON')
                if (ctime - time) < 60:
                    folderstat = 'running'
                else:
                    if static and self._check_tag_exists(
                            'OUTCAR',
                            '------------------------ aborting loop because EDIFF is reached ----------------------------------------\n'
                    ):
                        print('Tripped 1')
                        folderstat = 'done'
                    elif self._check_tag_exists('OUTCAR',
                                                ' writing wavefunctions'):
                        print('Tripped 2')
                        folderstat = 'done'
                    else:
                        folderstat = 'running'
            else:
                folderstat = 'not started'

            #        if outcar:

            #if 'OUTCAR' in files:

        print("Folder Stat {}".format(folderstat))
        return folderstat
Esempio n. 4
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 def _processConcRestrictions(self, concs):
     knarylookup = {2: "binary", 3: "ternary", 4: "quaternary"}
     if concs is not None:
         self.conc_res = True
         self.concRestrictions = concs
         if len(self.concRestrictions) > self.knary - 1:
             msg.warn("You have specified concentration restrictions on {} atom types.\
             For a {} system, you only need to supply restrictions on {} atom types. (<order of system> - 1) "\
             .format(len(self.concRestrictions),knarylookup[self.knary],self.knary - 1 ) )
     else:
         self.conc_res = False
Esempio n. 5
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    def init_enum(enumdicts, systemSpecies):
        from aBuild.enumeration import Enumerate
        from aBuild.calculators.vasp import VASP
        from aBuild.database.crystal import Crystal
        from aBuild.jobs import Job
        from random import randrange
        from aBuild.utility import chdir
        from numpy import array
        from os import remove, path

        #        from crystal import Crystal
        from os import path
        import os

        print("Building database from enumerations")
        crystals = []
        #        configIndex = startPoint = self._starting_point
        for eDict in enumdicts:
            enumController = Enumerate(eDict)
            if enumController.nEnumStructs == 0:
                msg.warn(
                    'There are no enumerated structures for lattice type {}.  Not building any VASP folders for them.'
                    .format(eDict["lattice"]))
                enumController.buildInputFile()

                enumController.enumerate()

            # Loop to generate random structures for a given lattice type
            for i in range(eDict["nconfigs"]):
                print('Adding {} structure # {} to database'.format(
                    eDict["lattice"], rStruct))
                with open('structNums', 'a+') as f:
                    f.write(eDict["name"] + ' ' + str(i) + '\n')
                enumController.generatePOSCAR(i)

                poscarpath = path.join(
                    enumController.root,
                    "poscar.{}.{}".format(eDict["name"], rStruct))
                thisCrystal = Crystal.from_poscar(
                    poscarpath, systemSpecies
                )  #title = ' '.join([self.enumDicts[index]["lattice"]," str #: {}"]).format(rStruct)
                crystals.append(thisCrystal)
                delpath = path.join(
                    enumController.root,
                    "poscar.{}.{}".format(eDict["name"], rStruct))
                remove(delpath)
        return dataset(crystals)
Esempio n. 6
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    def init_enum(self, enumdicts, systemSpecies, runGetKpoints=True):
        from aBuild.enumeration import Enumerate
        from aBuild.calculators.vasp import VASP
        from aBuild.database.crystal import Crystal
        from aBuild.jobs import Job
        from random import randrange
        from aBuild.utility import chdir

        #        from crystal import Crystal
        from os import path
        import os

        #    if not path.isdir(self.root):
        #    os.mkdir(self.root)
        print("Building database from enumerations")
        self.crystals = []
        #        configIndex = startPoint = self._starting_point
        for eDict in enumdicts:
            enumController = Enumerate(eDict)
            if enumController.nEnumStructs == 0:
                msg.warn(
                    'There are no enumerated structures for lattice type {}.  Not building any VASP folders for them.'
                    .format(self.enumDicts[index]["lattice"]))
                enumController.buildInputFile()

                enumController.enumerate()

            # Loop to generate random structures for a given lattice type
            for i in range(eDict["nconfigs"]):
                rStruct = randrange(1, enumController.nEnumStructs)
                print('Adding {} structure # {} to database'.format(
                    eDict["lattice"], rStruct))
                with open('structNums', 'a+') as f:
                    f.write(eDict["lattice"] + ' ' + str(rStruct) + '\n')
                    #print("Building VASP folder for {} structure #: {}".format(eDict["lattice"],rStruct))
                enumController.generatePOSCAR(rStruct)

                poscarpath = path.join(
                    enumController.root,
                    "poscar.{}.{}".format(eDict["lattice"], rStruct))
                thisCrystal = Crystal(
                    poscarpath, systemSpecies=systemSpecies
                )  #title = ' '.join([self.enumDicts[index]["lattice"]," str #: {}"]).format(rStruct)
                self.crystals.append(thisCrystal)
Esempio n. 7
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    def buildFolders(self,
                     buildpath,
                     calculator,
                     runGetKpoints=True,
                     foldername='A',
                     onlyCloseToHull=False,
                     distToHull=5e-3):
        from os import path
        from aBuild.calculators.vasp import VASP
        from aBuild.calculators.aflow import AFLOW
        from aBuild.calculators.lammps import LAMMPS
        from aBuild.calculators.espresso import ESPRESSO
        from aBuild.jobs import Job
        from math import floor
        import os

        print("Building folders in {}".format(buildpath))
        if not path.isdir(buildpath):
            os.mkdir(buildpath)
            print('Made path:', buildpath)
        configIndex = startPoint = self.starting_point(buildpath)

        lookupCalc = {
            'aflow': lambda specs: AFLOW.from_dictionary(specs),
            'vasp': lambda specs: VASP.from_dictionary(specs),
            'qe': lambda specs: ESPRESSO(specs, self.species),
            'lammps': lambda specs: LAMMPS(specs, self.species)
        }

        lookupBuild = {
            'aflow': lambda obj: obj.buildFolder(),
            'vasp': lambda obj: obj.buildFolder(runGetKPoints=runGetKpoints),
            'qe': lambda obj: obj.buildFolder(),
            'lammps': lambda obj: obj.buildFolder()
        }

        for crystal in self.crystals:
            if onlyCloseToHull:
                if crystal.results["distToHull"] is None:
                    msg.fatal(
                        "You asked only for cystals that are close to the hull, but I don't have a value for that distance."
                    )
                elif crystal.results["distToHull"] > distToHull:
                    continue
            print("Building crystal {}".format(crystal.title))
            runpath = path.join(buildpath,
                                foldername + ".{}".format(configIndex))
            #Augment the existing dictionary in preparation for sending it in
            calculator[calculator["active"]]["crystal"] = crystal
            calculator[calculator["active"]]["directory"] = runpath

            # Initialize the calculation object
            print('initializing VASP object')
            thisCalc = lookupCalc[calculator["active"]](
                calculator[calculator["active"]])

            # Build the path
            if not path.isdir(runpath):
                os.mkdir(runpath)
            else:
                msg.fatal(
                    "I'm gonna write over top of a current directory. ({})  I think I'll stop instead."
                    .format(runpath))

                # Change the directory and build the folder
            print("Building folder for structure: {}".format(crystal.title))
            with chdir(runpath):
                success = lookupBuild[calculator["active"]](thisCalc)
            if not success:
                if calculator["active"] == 'aflow':
                    retryCalc = lookupCalc["vasp"](calculator['vasp'])
                    with chdir(runpath):
                        success = lookupBuild["vasp"](retryCalc)
                    if not success:
                        msg.fatal(
                            "I tried building an aflow dir and it failed, then I tried building a VASP dir and it failed too. I give up"
                        )
                else:
                    msg.warn(
                        "VASP(??) directory build failed, and I'm not sure why"
                    )

            configIndex += 1

        # Build the submission script
        exdir = path.join(buildpath, 'A.')
        if calculator['active'] == 'aflow':
            calculator["execution"]["exec_path"] = "aflow --run"
        elif calculator["active"] == 'vasp':
            calculator["execution"]["exec_path"] = "vasp6_serial"

        startAdder = int(floor(startPoint / 1000)) * 1000
        endAdder = int(floor((configIndex - 1) / 1000)) * 1000

        if startAdder == endAdder:  # Don't need to submit two jobs in this case.  Just one, but we might have to add an offset if the numbers are too high.
            msg.info("Building one job submission file")
            calculator["execution"]["offset"] = startAdder
            mljob = Job(calculator["execution"],
                        exdir,
                        calculator["execution"]["exec_path"],
                        arrayStart=startPoint - startAdder,
                        arrayEnd=configIndex - 1 - endAdder)
            with chdir(buildpath):
                print('Building job file')
                mljob.write_jobfile('jobscript_vasp.sh')
        else:  # We're going to have to submit two jobs to span the whole job array.
            msg.info("Building two job submission files")
            #First job..
            calculator["execution"]["offset"] = startAdder
            mljob = Job(calculator["execution"],
                        exdir,
                        calculator["execution"]["exec_path"],
                        arrayStart=startPoint - startAdder,
                        arrayEnd=999)
            with chdir(buildpath):
                print('Building job file')
                mljob.write_jobfile('jobscript_vasp_1.sh')

            calculator["execution"]["offset"] = endAdder - 1
            mljob = Job(calculator["execution"],
                        exdir,
                        calculator["execution"]["exec_path"],
                        arrayStart=1,
                        arrayEnd=configIndex - endAdder)
            with chdir(buildpath):
                print('Building job file')
                mljob.write_jobfile('jobscript_vasp_2.sh')
Esempio n. 8
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    def _init_mlp(datafile, species):
        from aBuild.database.crystal import Crystal
        import os
        from os import path
        from aBuild.calculators.vasp import VASP
        from aBuild.calculators.aflow import AFLOW
        with open(datafile, 'r') as f:
            lines = f.readlines()

        crystals = []
        nCrystals = 0
        # Get information for pures so I can calculate formation energies
        root = os.getcwd()
        trainingRoot = path.join(root, 'training_set')
        puredirs = [path.join(trainingRoot, 'pure' + x) for x in species]
        pures = [
            AFLOW.from_path(x, species, filesuffix='.relax2.xz')
            for x in puredirs
        ]
        for pure in pures:
            pure.read_results()
        # End reading pures

        count = 0
        for index, line in enumerate(lines):
            if 'BEGIN' in line:
                indexStart = index
            elif 'END' in line:
                count += 1
                indexEnd = index
                structlines = lines[indexStart:indexEnd + 1]
                if count % 1000 == 0:
                    print("Processed {} crystals".format(nCrystals))
                nCrystals += 1

                thisCrystal = Crystal.from_lines(structlines, species, 'mlp')
                # Only add the crystal if mindist is reasonable
                if thisCrystal.minDist > 1.5:
                    # Only calculate formation energy if I have information about the pures

                    if True not in [
                            x.crystal is None or x.crystal.results is None
                            or thisCrystal.results["energyF"] is None
                            for x in pures
                    ]:
                        thisCrystal.results["fEnth"] = thisCrystal.results[
                            "energyF"] / thisCrystal.nAtoms - sum([
                                pures[i].crystal.results["energyF"] /
                                pures[i].crystal.nAtoms *
                                thisCrystal.concentrations[i]
                                for i in range(thisCrystal.nTypes)
                            ])

                    # Otherwise, set it to a ridiculus number
                    else:
                        thisCrystal.results["fEnth"] = 1000
                    thisCrystal.results["distToHull"] = None
                    # Save the crystal for later.
                    crystals.append(thisCrystal)
                else:
                    msg.warn(
                        "Mindist is pretty small for this one, so I'm not gonna add it"
                    )

        return dataset(crystals)
Esempio n. 9
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    def init_enum(self, enumdicts, systemSpecies, runGetKpoints=True):
        from aBuild.enumeration import Enumerate
        from aBuild.calculators.vasp import VASP
        from aBuild.database.crystal import Crystal
        from aBuild.jobs import Job
        from random import randrange
        from aBuild.utility import chdir
        from numpy import array
        from os import remove, path

        #        from crystal import Crystal
        from os import path
        import os

        #    if not path.isdir(self.root):
        #    os.mkdir(self.root)
        print("Building database from enumerations")
        self.crystals = []
        #        configIndex = startPoint = self._starting_point
        for eDict in enumdicts:
            enumController = Enumerate(eDict)
            if enumController.nEnumStructs == 0:
                msg.warn(
                    'There are no enumerated structures for lattice type {}.  Not building any VASP folders for them.'
                    .format(self.enumDicts[index]["lattice"]))
                enumController.buildInputFile()

                enumController.enumerate()

            # Loop to generate random structures for a given lattice type
            for i in range(eDict["nconfigs"]):
                rStruct = 16254  #randrange(1,enumController.nEnumStructs)
                print('Adding {} structure # {} to database'.format(
                    eDict["lattice"], rStruct))
                with open('structNums', 'a+') as f:
                    f.write(eDict["name"] + ' ' + str(rStruct) + '\n')
                    #print("Building VASP folder for {} structure #: {}".format(eDict["lattice"],rStruct))
                enumController.generatePOSCAR(rStruct)

                poscarpath = path.join(
                    enumController.root,
                    "poscar.{}.{}".format(eDict["name"], rStruct))
                thisCrystal = Crystal(
                    poscarpath, systemSpecies=systemSpecies
                )  #title = ' '.join([self.enumDicts[index]["lattice"]," str #: {}"]).format(rStruct)
                if self.restrictions is None:
                    self.crystals.append(thisCrystal)
                elif thisCrystal.getAFMPlanes([1, 0, 0]):
                    print('parent is AFM compatible')
                    self.crystals.append(thisCrystal)
                    import sys
                    sys.exit()
                else:
                    superCrystal = thisCrystal.superPeriodics(2)
                    if superCrystal != []:
                        print('super periodic structures is AFM compatible')
                        print(superCrystal.minDist, 'minDist')
                        print(superCrystal.basis, ' basis')
                        print(array(superCrystal.Bv_direct), 'direct')
                        print(array(superCrystal.Bv_cartesian), 'cartesian')
                        self.crystals.append(superCrystal)
                        import sys
                        sys.exit()
                    else:
                        print("Can't find an AFM compatible structure")
                        import sys
                        sys.exit()
#                self.crystals.append(thisCrystal)
                delpath = path.join(
                    enumController.root,
                    "poscar.{}.{}".format(eDict["name"], rStruct))
                remove(delpath)