86 lines
3.3 KiB
Python
Executable File
86 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os,re,sys,string
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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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scriptID = string.replace('$Id$','\n','\\n')
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scriptName = os.path.splitext(scriptID.split()[1])[0]
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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 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', dest='keys', 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', dest='reverse', action='store_true',
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help='reverse sorting')
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parser.set_defaults(key = [])
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parser.set_defaults(reverse = False)
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(options,filenames) = parser.parse_args()
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if options.keys == None:
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parser.error('No sorting column(s) specified.')
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options.keys.reverse() # numpy sorts with most significant column as last
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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(string.replace(scriptID,'\n','\\n') + \
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'\t' + ' '.join(sys.argv[1:]))
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# ------------------------------------------ assemble header ---------------------------------------
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table.head_write()
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# ------------------------------------------ process data ---------------------------------------
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table.data_readArray()
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cols = []
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for column in table.label_index(options.keys):
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cols += [table.data[:,column]]
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ind = np.lexsort(cols)
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if options.reverse:
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ind = ind[::-1]
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table.data = table.data[ind]
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table.data_writeArray()
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# ------------------------------------------ output result ---------------------------------------
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table.output_flush() # just in case of buffered ASCII table
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table.input_close() # close input ASCII table
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if file['name'] != 'STDIN':
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table.output_close() # close output ASCII table
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os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new
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