/usr/lib/python2.7/dist-packages/code_saturne/cs_xml_reader.py is in code-saturne-data 4.2.0+repack-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#-------------------------------------------------------------------------------
# This file is part of Code_Saturne, a general-purpose CFD tool.
#
# Copyright (C) 1998-2015 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.
#-------------------------------------------------------------------------------
import sys
import os.path
from xml.dom import minidom
#-------------------------------------------------------------------------------
# Utility class
#-------------------------------------------------------------------------------
class XMLError(Exception):
"""Base class for exception handling."""
def __init__(self, *args):
self.args = args
def __str__(self):
if len(self.args) == 1:
return str(self.args[0])
else:
return str(self.args)
#-------------------------------------------------------------------------------
# Utility functions
#-------------------------------------------------------------------------------
def getChildNode(node, tag, required=False):
"""
Return a child node matching a tag.
"""
childNode = None
for child in node.childNodes:
if child.nodeType == node.ELEMENT_NODE:
if child.nodeName == tag:
if childNode == None:
childNode = child
else:
errStr = "Multiple instance of " + tag + "nodes"
raise XMLError(errStr)
if childNode == None and required:
errStr = tag + " node not found under " + node.tagName
raise XMLError(errStr)
return childNode
#-------------------------------------------------------------------------------
def childNodeList(node, tag):
"""
Return a list of child nodes matching a tag.
"""
childNodeList = []
for child in node.childNodes:
if child.nodeType == node.ELEMENT_NODE:
if child.nodeName == tag:
childNodeList.append(child)
return childNodeList
#-------------------------------------------------------------------------------
def getDataFromNode(node, tag):
"""
Return data matching a tag.
"""
data = None
list = node.getElementsByTagName(tag)
if (list.length == 1):
current = list.item(0)
if current.firstChild:
data = current.firstChild.data
return data
#-------------------------------------------------------------------------------
# Main class
#-------------------------------------------------------------------------------
class Parser:
"""Extract case information from XML file."""
#---------------------------------------------------------------------------
def __init__(self,
fileName,
root_str = None,
version_str = None):
self.dict = {}
self.dict['mesh_dir'] = None
self.dict['meshes'] = None
self.root = None
if fileName == None:
return
if not os.path.isfile(fileName):
raise XMLError('XML file: ' + fileName + ' not found')
try:
self.doc = minidom.parse(fileName)
except Exception:
raise XMLError('Error parsing XML file: ' + fileName)
self.root = self.doc.documentElement
if root_str != None:
if root_str != self.root.tagName:
errStr = '%s\n' \
+'type: "%s", but "%s" expected.'
raise XMLError(errStr % (fileName,
self.root.tagName,
root_str))
if version_str != None:
version = self.root.getAttribute('version')
if version_str != version:
errStr = '%s\n' \
+'type: "%s", version: "%s", but version "%s" expected.'
raise XMLError(errStr % (fileName,
self.root.tagName,
version,
version_str))
# Get study and case names
study_name = str(self.root.getAttribute('study'))
case_name = str(self.root.getAttribute('case'))
if len(study_name) > 0:
self.dict['study'] = study_name
if len(case_name) > 0:
self.dict['case'] = case_name
#---------------------------------------------------------------------------
def _getMeshExtension(self, name):
"""
Return: Extension of the mesh file if it exists.
"""
# Define known extensions
ext = {'case':'ensight',
'cgns':'cgns',
'des':'des',
'med':'med',
'msh':'gmsh',
'neu':'gambit',
'ccm':'ccm',
'ngeom':'ngeom',
'unv':'ideas'}
# first check if the mesh is compressed with gzip
if name.endswith(".gz"):
name = name[:-3]
extension = None
last_caracters = (name.split('.')[-1:])[0]
if last_caracters in list(ext.keys()):
extension = last_caracters
return extension
#---------------------------------------------------------------------------
def _getMeshFormat(self, name):
"""
Return mesh format.
"""
format = ""
extension = self._getMeshExtension(mesh)
if extension:
format = self.ext[extension]
return format
#---------------------------------------------------------------------------
def _getMeshParams(self):
"""
Get mesh parameters
"""
# Search for appropriate node.
sol_domain_node = getChildNode(self.root, 'solution_domain')
if sol_domain_node == None:
return
# Get mesh_input if available; in this case, no mesh
# import will be necessary, so we are done.
node = getChildNode(sol_domain_node, 'mesh_input')
if node != None:
mesh_input = str(node.getAttribute('path'))
if mesh_input:
self.dict['mesh_input'] = mesh_input
return
# Get meshes.
meshes = []
meshes_node = getChildNode(sol_domain_node, 'meshes_list')
if meshes_node != None:
# Get meshes search directory.
node = getChildNode(meshes_node, 'meshdir')
if node != None:
meshdir = str(node.getAttribute('name'))
if len(meshdir) > 0:
self.dict['mesh_dir'] = meshdir
# Get meshes list
nodeList = childNodeList(meshes_node, 'mesh')
else:
nodeList = []
for node in nodeList:
name = str(node.getAttribute('name'))
path = str(node.getAttribute('path'))
format = str(node.getAttribute('format'))
number = str(node.getAttribute('num'))
reorient = (str(node.getAttribute('reorient')) == 'on')
grp_cel = str(node.getAttribute('grp_cel'))
grp_fac = str(node.getAttribute('grp_fac'))
l_args = []
extension = self._getMeshExtension(name)
if len(format) > 0:
l_args.append('--format')
l_args.append(format)
if len(path) > 0:
name = os.path.join(path, name)
if len(number) > 0:
l_args.append('--num')
l_args.append(number)
if reorient:
l_args.append('--reorient')
if len(grp_cel) > 0:
l_args.append('--grp-cel')
l_args.append(grp_cel)
if len(grp_fac) > 0:
l_args.append('--grp-fac')
l_args.append(grp_fac)
if len(l_args) > 0:
l_args.insert(0, name)
meshes.append(tuple(l_args))
else:
meshes.append(name)
if len(meshes) > 0:
self.dict['meshes'] = meshes
#---------------------------------------------------------------------------
def _getCalcParams(self):
"""
Get various calculation parameters
"""
# Search for user calculation parameters
calc_node = getChildNode(self.root, 'calculation_management')
if not calc_node:
return
node = getChildNode(calc_node, 'start_restart')
if node != None:
node = getChildNode(node, 'restart')
if node != None:
path = str(node.getAttribute('path'))
if path:
self.dict['restart_input'] = path
node = getChildNode(calc_node, 'partitioning')
if node != None:
node = getChildNode(node, 'partition_input')
if node != None:
path = str(node.getAttribute('path'))
if path:
self.dict['partition_input'] = path
val = getDataFromNode(calc_node, 'run_type')
if val:
if val == 'none':
self.dict['exec_solver'] = False
elif val == 'mesh preprocess':
self.dict['solver_args'] = '--preprocess'
elif val == 'mesh quality':
self.dict['solver_args'] = '--quality'
logging_args = ''
log_node = getChildNode(calc_node, 'logging')
if log_node != None:
attr = str(log_node.getAttribute('main'))
if attr == 'stdout':
logging_args += '--log 0 '
attr = str(log_node.getAttribute('parallel'))
if attr == 'stdout':
logging_args += '--logp 0'
elif attr == 'listing':
logging_args += '--logp 1'
logging_args.strip()
if logging_args:
self.dict['logging_args'] = logging_args
val = getDataFromNode(calc_node, 'debug')
if val:
self.dict['debug'] = val
#---------------------------------------------------------------------------
def getParams(self):
"""
Get all parameters
"""
self._getMeshParams()
self._getCalcParams()
return self.dict
#-------------------------------------------------------------------------------
# End
#-------------------------------------------------------------------------------
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