76 lines
2.6 KiB
Python
Executable File
76 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python2.7
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# -*- coding: UTF-8 no BOM -*-
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import os,sys
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import numpy as np
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from optparse import OptionParser
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import damask
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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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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Sort rows by given (or all) column label(s).
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Examples:
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With coordinates in columns "x", "y", and "z"; sorting with x slowest and z fastest varying index: --label x,y,z.
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""", version = scriptID)
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parser.add_option('-l','--label',
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dest = 'keys',
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action = 'extend', metavar = '<string LIST>',
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help = 'list of column labels (a,b,c,...)')
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parser.add_option('-r','--reverse',
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dest = 'reverse',
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action = 'store_true',
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help = 'sort in reverse')
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parser.set_defaults(reverse = False,
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)
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(options,filenames) = parser.parse_args()
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# --- loop over input files -------------------------------------------------------------------------
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if filenames == []: filenames = [None]
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for name in filenames:
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try: table = damask.ASCIItable(name = name,
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buffered = False)
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except: continue
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damask.util.report(scriptName,name)
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# ------------------------------------------ assemble header ---------------------------------------
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table.head_read()
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table.info_append(scriptID + '\t' + ' '.join(sys.argv[1:]))
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table.head_write()
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# ------------------------------------------ process data ---------------------------------------
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table.data_readArray()
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keys = table.labels(raw = True)[::-1] if options.keys is None else options.keys[::-1] # numpy sorts with most significant column as last
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cols = []
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remarks = []
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for i,column in enumerate(table.label_index(keys)):
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if column < 0: remarks.append('label "{}" not present...'.format(keys[i]))
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else: cols += [table.data[:,column]]
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if remarks != []: damask.util.croak(remarks)
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ind = np.lexsort(cols) if cols != [] else np.arange(table.data.shape[0])
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if options.reverse: ind = ind[::-1]
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# ------------------------------------------ output result ---------------------------------------
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table.data = table.data[ind]
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table.data_writeArray()
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table.close() # close ASCII table
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