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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#-------------------------------------------------------------------------------
# This file is part of Code_Saturne, a general-purpose CFD tool.
#
# Copyright (C) 1998-2021 EDF S.A.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
# Street, Fifth Floor, Boston, MA 02110-1301, USA.
#-------------------------------------------------------------------------------
try:
import ConfigParser # Python2
configparser = ConfigParser
except Exception:
import configparser # Python3
import os
import os.path
import sys
from code_saturne.cs_case_domain import *
from code_saturne.cs_case import *
from code_saturne import cs_exec_environment
from code_saturne import cs_run_conf
from code_saturne import cs_runcase
#===============================================================================
# Main function for code coupling execution
#===============================================================================
def coupling(package,
domains,
casedir,
dest_dir = None,
staging_dir = None,
verbose = True,
package_compute = None):
use_saturne = False
use_syrthes = False
use_neptune = False
use_cathare = False
use_py_code = False
# Use alternate compute (back-end) package if defined
config = configparser.ConfigParser()
config.read(package.get_global_configfile())
if package_compute == None:
package_compute = package
# Initialize code domains
sat_domains = []
syr_domains = []
nep_domains = []
cat_domains = []
py_domains = []
if domains == None:
raise RunCaseError('No domains defined.')
for d in domains:
domain_s = d.get('domain')
solver_s = d.get('solver').lower()
script_s = None
param_s = None
if (domain_s == None):
msg = 'Check your coupling definition.\n'
msg += 'domain key is missing.'
raise RunCaseError(msg)
# First, determine parameter file to use for code_saturne
# or associated modules (ensuring backwards compatibiliy)
if solver_s in package.config.solver_modules.keys() \
or solver_s == 'cathare':
param = None
script = d.get('script') # v6.1 and older structure
if script != None:
if script[-4:] == '.xml':
param = script
else:
param = d.get('param')
if not param:
param = d.get('paramfile') # older_name
s_dir = staging_dir
if not s_dir:
s_dir = casedir
if not s_dir:
s_dir = os.getcwd()
if param == None:
run_conf_path = os.path.join(s_dir,
domain_s,
'DATA',
'run.cfg')
if os.path.isfile(run_conf_path):
run_conf = cs_run_conf.run_conf(run_conf_path)
if 'setup' in run_conf.sections:
if 'param' in run_conf.sections['setup']:
param = run_conf.sections['setup']['param']
if script and not param: # v6.1 and older case structure
runcase_path = os.path.join(s_dir,
domain_s,
'SCRIPTS',
script)
if os.path.isfile(runcase_path):
try:
runcase = cs_runcase.runcase(runcase_path)
param = runcase.get_parameters()
except Exception:
err_str = 'Cannot read ' + d.get('solver') \
+ ' script: ' + runcase_path
raise RunCaseError(err_str)
# Remark: if param is undefined, the code_saturne domain will
# default to 'setup.xml' if present.
d['param'] = param
# Now build case domain for the different solvers:
if solver_s in package.config.solver_modules.keys():
dom = domain(package,
package_compute = package_compute,
name = domain_s,
param = d.get('param'),
n_procs_weight = d.get('n_procs_weight'),
n_procs_min = d.get('n_procs_min'),
n_procs_max = d.get('n_procs_max'))
if solver_s == 'code_saturne':
use_saturne = True
sat_domains.append(dom)
elif solver_s == 'neptune_cfd':
use_neptune = True
nep_domains.append(dom)
elif solver_s == 'syrthes':
param_s = d.get('param')
if param_s == None:
param_s = d.get('script') # older name
if (param_s == None):
msg = 'Check your coupling definition.\n'
msg += 'parameters file selection is missing for domain: '
msg += domain_s + '.\n'
raise RunCaseError(msg)
try:
dom = syrthes_domain(package,
cmd_line = d.get('opt'),
name = domain_s,
param = d.get('param'),
n_procs_weight = d.get('n_procs_weight'),
n_procs_min = d.get('n_procs_min'),
n_procs_max = d.get('n_procs_max'),
verbose = verbose)
except Exception:
err_str = 'Cannot create SYRTHES domain. Opt = ' + d.get('opt') + '\n'
err_str += ' domain = ' + domain_s + '\n'
err_str += ' n_procs_weight = ' + str(d.get('n_procs_weight')) + '\n'
raise RunCaseError(err_str)
use_syrthes = True
syr_domains.append(dom)
elif solver_s == 'cathare':
# Current version using Cathare2: the cathare case is converted to a
# .so library which is opened and launched by a neptune_cfd executable
dom = cathare_domain(package,
package_compute = package_compute,
name = domain_s,
param = d.get('param'),
n_procs_weight = None,
n_procs_min = 1,
n_procs_max = 1,
cathare_case_file = d.get('cathare_case_file'),
neptune_cfd_dom = d.get('neptune_cfd_domain'))
use_cathare = True
cat_domains.append(dom)
elif solver_s == 'python_code':
script_s = d.get('script')
if (script_s == None):
msg = 'Check your coupling definition.\n'
msg += 'Python script file selection is missing for domain: '
msg += domain_s + '.\n'
raise RunCaseError(msg)
# Generic Code_Saturne/Python Script coupling
# The python script can contain any MPI compatible code or supervisor
try:
dom = python_domain(package,
name = domain_s,
cmd_line = d.get('command_line'),
script_name = script_s)
except Exception:
err_str = 'Cannot create Python code domain.\n'
err_str += ' domain = ' + domain_s + '\n'
err_str += ' script = ' + str(d.get('script')) + '\n'
raise RunCaseError(err_str)
use_py_code = True
py_domains.append(dom)
else:
err_str = 'Unknown code type : ' + d.get('solver') + '.\n'
raise RunCaseError(err_str)
# Now handle case for the corresponding calculation domain(s).
c = case(package,
package_compute = package_compute,
case_dir = casedir,
dest_dir = dest_dir,
staging_dir = staging_dir,
domains = sat_domains + nep_domains + cat_domains,
syr_domains = syr_domains,
py_domains = py_domains)
if verbose:
msg = ' Coupling execution between: \n'
if use_saturne == True:
msg += ' o code_saturne [' + str(len(sat_domains)) + ' domain(s)];\n'
if use_syrthes == True:
msg += ' o SYRTHES [' + str(len(syr_domains)) + ' domain(s)];\n'
if use_neptune == True:
msg += ' o neptune_cfd [' + str(len(nep_domains)) + ' domain(s)];\n'
if use_cathare == True:
msg += ' o CATHARE2 [' + str(len(cat_domains)) + ' domain(s)];\n'
if use_py_code == True:
msg += ' o Python Script [' + str(len(py_domains)) + ' domain(s)];\n'
sys.stdout.write(msg+'\n')
return c
#-------------------------------------------------------------------------------
# End
#-------------------------------------------------------------------------------
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