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1 #! /usr/bin/env python
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2 #
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3 # Copyright INRA-URGI 2009-2010
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4 #
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5 # This software is governed by the CeCILL license under French law and
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6 # abiding by the rules of distribution of free software. You can use,
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7 # modify and/ or redistribute the software under the terms of the CeCILL
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8 # license as circulated by CEA, CNRS and INRIA at the following URL
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9 # "http://www.cecill.info".
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10 #
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11 # As a counterpart to the access to the source code and rights to copy,
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12 # modify and redistribute granted by the license, users are provided only
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13 # with a limited warranty and the software's author, the holder of the
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14 # economic rights, and the successive licensors have only limited
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15 # liability.
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16 #
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17 # In this respect, the user's attention is drawn to the risks associated
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18 # with loading, using, modifying and/or developing or reproducing the
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19 # software by the user in light of its specific status of free software,
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20 # that may mean that it is complicated to manipulate, and that also
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21 # therefore means that it is reserved for developers and experienced
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22 # professionals having in-depth computer knowledge. Users are therefore
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23 # encouraged to load and test the software's suitability as regards their
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24 # requirements in conditions enabling the security of their systems and/or
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25 # data to be ensured and, more generally, to use and operate it in the
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26 # same conditions as regards security.
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27 #
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28 # The fact that you are presently reading this means that you have had
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29 # knowledge of the CeCILL license and that you accept its terms.
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30 #
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31 """Get a given sequence in a multi-Fasta file"""
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32 import sys
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33 from optparse import OptionParser
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34 from commons.core.parsing.FastaParser import FastaParser
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35 from SMART.Java.Python.misc.Progress import Progress
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36 from commons.core.writer.FastaWriter import FastaWriter
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37
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38 if __name__ == "__main__":
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39
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40 # parse command line
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41 description = "Get Sequence v1.0.1: Get a single sequence in a FASTA file. [Category: Data Selection]"
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42
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43 parser = OptionParser(description = description)
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44 parser.add_option("-i", "--input", dest="inputFileName",action="store",type="string", help="multi-FASTA file [compulsory] [format: file in FASTA format]")
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45 parser.add_option("-n", "--name",dest="name",action="store",type="string", help="name of the sequence [compulsory] [format: string]")
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46 parser.add_option("-o", "--output",dest="outputFileName",action="store",type="string", help="output sequence file (FASTA) [compulsory] [format: file in FASTA format]")
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47 parser.add_option("-v", "--verbosity", dest="verbosity",action="store",default=1,type="int",help="trace level [format: int]")
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48 (options, args) = parser.parse_args()
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49
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50 # read Fasta file
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51 sequenceListParser = FastaParser(options.inputFileName, options.verbosity)
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52 for sequence in sequenceListParser.getIterator():
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53 name = sequence.name.split(" ")[0]
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54 if name == options.name:
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55 writer = FastaWriter(options.outputFileName, options.verbosity)
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56 writer.addSequence(sequence)
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57 print sequence.printFasta(),
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58 sys.exit(0)
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59 writer.close()
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60 print "No sequence found"
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