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import core.modules
import core.modules.module_registry
from core.modules.vistrails_module import Module, ModuleError
import core.bundles
import core.requirements
import os
import re
identifier = 'edu.utah.sci.cscheid.meshutils'
version = '0.1'
name = 'Mesh utility'
class MeshArea(Module):
def compute(self):
self.checkInputPort('input_file')
f1 = self.getInputFromPort('input_file')
text_output = self.interpreter.filePool.create_file()
cmdline = []
cmdline.append(meshareapath)
cmdline.append(f1.name)
cmdline.append('>' + text_output.name)
cmdline = ('%s ' * len(cmdline)) % tuple(cmdline)
print cmdline
result = os.system(cmdline)
if result != 0:
raise ModuleError(self, "execution failed")
try:
l = file(text_output.name).readlines()[-1]
v = float(l)
except:
raise ModuleError(self, "Expected a float, got '%s'" % l)
self.setResult('area', v)
class MeshChoose(Module):
def guess_input_format(self, input_file_name):
i = input_file_name.rfind('.')
if i == -1:
return None
else:
return input_file_name[i:]
def compute(self):
self.checkInputPort('input_file_1')
self.checkInputPort('input_file_2')
input_file_1 = self.getInputFromPort('input_file_1')
input_file_2 = self.getInputFromPort('input_file_2')
if self.hasInputFromPort('output_format'):
output_suffix = self.getInputFromPort('output_format')
else:
output_suffix = self.guess_input_format(input_file_2.name)
output_file = self.interpreter.filePool.create_file(output_suffix)
cmdline = [meshchoosepath,
input_file_1.name,
input_file_2.name,
output_file.name]
cmdline = ('%s ' * len(cmdline)) % tuple(cmdline)
print cmdline
result = os.system(cmdline)
if result != 0:
raise ModuleError(self, "execution failed")
self.setResult('output_file', output_file)
def setpath(prefix):
global meshareapath
meshareapath = prefix + 'mesh_area'
global meshchoosepath
meshchoosepath = prefix + 'mesh_choose'
def initialize(meshutilspath=None):
global _mesh_utils_path
if not meshutilspath:
print "Assuming mesh_utils are on path"
setpath('')
else:
print "Assuming mesh_utils are in '%s/'" % meshutilspath
setpath(meshutilspath+'/')
reg = core.modules.module_registry
reg.add_module(MeshArea)
reg.add_input_port(MeshArea, 'input_file',
core.modules.basic_modules.File)
reg.add_output_port(MeshArea, 'area',
core.modules.basic_modules.Float)
reg.add_module(MeshChoose)
reg.add_input_port(MeshChoose, 'input_file_1',
core.modules.basic_modules.File)
reg.add_input_port(MeshChoose, 'input_file_2',
core.modules.basic_modules.File)
reg.add_input_port(MeshChoose, 'output_format',
core.modules.basic_modules.String)
reg.add_output_port(MeshChoose, 'output_file',
core.modules.basic_modules.File)
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