DAMASK_EICMD/processing/post/reLabel.py

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#!/usr/bin/env python2
# -*- coding: UTF-8 no BOM -*-
import os,sys,re
import damask
from optparse import OptionParser
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog [options] dfile[s]', description = """
Rename scalar, vectorial, and/or tensorial data header labels.
""", version = scriptID)
parser.add_option('-l','--label',
dest = 'label',
action = 'extend', metavar='<string LIST>',
help = 'column(s) to rename')
parser.add_option('-s','--substitute',
dest = 'substitute',
action = 'extend', metavar='<string LIST>',
help = 'new column label(s)')
parser.set_defaults(label = [],
substitute = [],
)
(options,filenames) = parser.parse_args()
pattern = [re.compile('^()(.+)$'), # label pattern for scalar
re.compile('^(\d+_)?(.+)$'), # label pattern for multidimension
]
# --- loop over input files -------------------------------------------------------------------------
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if filenames == []: filenames = [None]
for name in filenames:
try: table = damask.ASCIItable(name = name,
buffered = False)
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except: continue
damask.util.report(scriptName,name)
# ------------------------------------------ read header ------------------------------------------
table.head_read()
# ------------------------------------------ process labels ---------------------------------------
errors = []
remarks = []
if len(options.label) == 0:
errors.append('no labels specified.')
elif len(options.label) != len(options.substitute):
errors.append('mismatch between number of labels ({}) and substitutes ({}).'.format(len(options.label),
len(options.substitute)))
else:
indices = table.label_index (options.label)
dimensions = table.label_dimension(options.label)
for i,index in enumerate(indices):
if index == -1: remarks.append('label "{}" not present...'.format(options.label[i]))
else:
m = pattern[dimensions[i]>1].match(table.tags[index]) # isolate label name
for j in xrange(dimensions[i]):
table.tags[index+j] = table.tags[index+j].replace(m.group(2),options.substitute[i]) # replace name with substitute
if remarks != []: damask.util.croak(remarks)
if errors != []:
damask.util.croak(errors)
table.close(dismiss = True)
continue
# ------------------------------------------ assemble header ---------------------------------------
table.info_append(scriptID + '\t' + ' '.join(sys.argv[1:]))
table.head_write()
# ------------------------------------------ process data ------------------------------------------
outputAlive = True
while outputAlive and table.data_read(): # read next data line of ASCII table
outputAlive = table.data_write() # output processed line
# ------------------------------------------ output finalization -----------------------------------
table.close() # close ASCII tables