108 lines
5.7 KiB
Python
Executable File
108 lines
5.7 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os,sys,string
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import numpy as np
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from collections import defaultdict
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from optparse import OptionParser
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import damask
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scriptID = string.replace('$Id$','\n','\\n')
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scriptName = scriptID.split()[1][:-3]
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
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Shift values of scalar, vector, or tensor columns by given offset.
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""", version = scriptID)
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parser.add_option('-s','--scalar', dest='scalar', action='extend', metavar='<string LIST>',
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help='column heading to shift by scalar')
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parser.add_option('-v','--vector', dest='vector', action='extend', metavar='<string LIST>',
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help='column heading to shift by vector')
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parser.add_option('-t','--tensor', dest='tensor', action='extend', metavar='<string LIST>',
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help='column heading to shift by tensor')
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parser.add_option('-d','--delta', dest='delta', action='extend', metavar='<float LIST>',
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help='list of scalar, vector, and tensor shifts (in this order!)')
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parser.set_defaults(scalar = [])
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parser.set_defaults(vector = [])
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parser.set_defaults(tensor = [])
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parser.set_defaults(delta = [])
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(options,filenames) = parser.parse_args()
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options.delta = np.array(options.delta,'d')
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datainfo = { # list of requested labels per datatype
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'scalar': {'len':1,
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'label':[]},
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'vector': {'len':3,
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'label':[]},
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'tensor': {'len':9,
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'label':[]},
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}
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length = 0
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if options.scalar != []: datainfo['scalar']['label'] += options.scalar; length += len(options.scalar)*datainfo['scalar']['len']
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if options.vector != []: datainfo['vector']['label'] += options.vector; length += len(options.vector)*datainfo['vector']['len']
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if options.tensor != []: datainfo['tensor']['label'] += options.tensor; length += len(options.tensor)*datainfo['tensor']['len']
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if len(options.delta) != length:
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parser.error('length of offset vector does not match column types...')
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# ------------------------------------------ setup file handles ------------------------------------
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files = []
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if filenames == []:
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files.append({'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout, 'croak':sys.stderr})
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else:
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for name in filenames:
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if os.path.exists(name):
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files.append({'name':name, 'input':open(name), 'output':open(name+'_tmp','w'), 'croak':sys.stderr})
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# ------------------------------------------ loop over input files ---------------------------------
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for file in files:
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if file['name'] != 'STDIN': file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
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else: file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
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table = damask.ASCIItable(file['input'],file['output'],False) # make unbuffered ASCII_table
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table.head_read() # read ASCII header info
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table.info_append(scriptID + '\t' + ' '.join(sys.argv[1:]))
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# --------------- figure out columns to process ---------------------------------------------------
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active = defaultdict(list)
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column = defaultdict(dict)
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for datatype,info in datainfo.items():
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for label in info['label']:
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key = {True :'1_%s',
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False:'%s' }[info['len']>1]%label
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if key in table.labels:
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active[datatype].append(label)
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column[datatype][label] = table.labels.index(key) # remember columns of requested data
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else:
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file['croak'].write('column %s not found...\n'%label)
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# ------------------------------------------ assemble header ---------------------------------------
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table.head_write()
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# ------------------------------------------ process data ------------------------------------------
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outputAlive = True
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while outputAlive and table.data_read(): # read next data line of ASCII table
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i = 0
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for datatype,labels in sorted(active.items(),key=lambda x:datainfo[x[0]]['len']): # loop over scalar,vector,tensor
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for label in labels: # loop over all requested labels
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for j in xrange(datainfo[datatype]['len']): # loop over entity elements
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table.data[column[datatype][label]+j] = float(table.data[column[datatype][label]+j]) + options.delta[i]
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i += 1
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outputAlive = table.data_write() # output processed line
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# ------------------------------------------ output result -----------------------------------------
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outputAlive and table.output_flush() # just in case of buffered ASCII table
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file['input'].close() # close input ASCII table (works for stdin)
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file['output'].close() # close output ASCII table (works for stdout)
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if file['name'] != 'STDIN':
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os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new
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