DAMASK_EICMD/processing/post/reLabel.py

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#!/usr/bin/env python
# -*- coding: UTF-8 no BOM -*-
import os,re,sys,math,string
import damask
from optparse import OptionParser
scriptID = string.replace('$Id$','\n','\\n')
scriptName = os.path.splitext(scriptID.split()[1])[0]
# --------------------------------------------------------------------
# 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')
parser.set_defaults(label = [])
parser.set_defaults(substitute = [])
(options,filenames) = parser.parse_args()
# --- loop over input files -------------------------------------------------------------------------
if filenames == []:
filenames = ['STDIN']
for name in filenames:
if name == 'STDIN':
file = {'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout, 'croak':sys.stderr}
file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
else:
if not os.path.exists(name): continue
file = {'name':name, 'input':open(name), 'output':open(name+'_tmp','w'), 'croak':sys.stderr}
file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
table = damask.ASCIItable(file['input'],file['output'],buffered=False) # make unbuffered ASCII_table
table.head_read()
table.info_append(scriptID + '\t' + ' '.join(sys.argv[1:])) # read ASCII header info
# ------------------------------------------ process labels ---------------------------------------
errors = []
if options.label == []:
errors.append('no labels specified...')
elif len(options.label) != len(options.substitute):
errors.append('mismatch between number of labels ({0}) and substitutes ({1})...'.format(len(options.label),
len(options.substitute)))
else: # tag individual candidates
indices = table.label_index (options.label)
dimensions = table.label_dimension(options.label)
for i,index in enumerate(indices):
if index == -1:
errors.append('label %s not present...\n'%options.label[i])
else:
for j in xrange(dimensions[i]):
table.labels[index+j] = table.labels[index+j].replace(options.label[i],options.substitute[i])
if errors != []:
file['croak'].write('\n'.join(errors)+'\n')
table.close(dismiss = True)
continue
# ------------------------------------------ assemble header ---------------------------------------
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 result ---------------------------------------
outputAlive and table.output_flush() # just in case of buffered ASCII table
table.close() # close ASCII tables
if file['name'] != 'STDIN':
os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new