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6
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1 #
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2 # Copyright INRA-URGI 2009-2010
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3 #
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4 # This software is governed by the CeCILL license under French law and
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5 # abiding by the rules of distribution of free software. You can use,
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6 # modify and/ or redistribute the software under the terms of the CeCILL
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7 # license as circulated by CEA, CNRS and INRIA at the following URL
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8 # "http://www.cecill.info".
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9 #
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10 # As a counterpart to the access to the source code and rights to copy,
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11 # modify and redistribute granted by the license, users are provided only
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12 # with a limited warranty and the software's author, the holder of the
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13 # economic rights, and the successive licensors have only limited
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14 # liability.
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15 #
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16 # In this respect, the user's attention is drawn to the risks associated
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17 # with loading, using, modifying and/or developing or reproducing the
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18 # software by the user in light of its specific status of free software,
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19 # that may mean that it is complicated to manipulate, and that also
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20 # therefore means that it is reserved for developers and experienced
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21 # professionals having in-depth computer knowledge. Users are therefore
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22 # encouraged to load and test the software's suitability as regards their
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23 # requirements in conditions enabling the security of their systems and/or
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24 # data to be ensured and, more generally, to use and operate it in the
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25 # same conditions as regards security.
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26 #
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27 # The fact that you are presently reading this means that you have had
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28 # knowledge of the CeCILL license and that you accept its terms.
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29 #
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30 import re
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31 import sys
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32 from commons.core.parsing.MapperParser import MapperParser
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33 from SMART.Java.Python.structure.Mapping import Mapping
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34
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35 class RmapParser(MapperParser):
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36 """A class that parses the output of Rmap format"""
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37
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38 def __init__(self, fileName, verbosity = 0):
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39 super(RmapParser, self).__init__(fileName, verbosity)
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40
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41
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42 def __del__(self):
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43 super(RmapParser, self).__del__()
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44
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45
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46 def getFileFormats():
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47 return ["rmap"]
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48 getFileFormats = staticmethod(getFileFormats)
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49
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50
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51 def skipFirstLines(self):
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52 pass
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53
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54
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55 def parseLine(self, line):
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56 m = re.search(r"^\s*(\S+)\s+(\d+)\s+(\d+)\s+(\S+)\s+(\d+)\s+([+-])\s*$", line)
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57 if m == None:
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58 sys.exit("\nLine %d '%s' does not have a RMAP format" % (self.currentLineNb, line))
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59
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60 mapping = Mapping()
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61
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62 mapping.targetInterval.setChromosome(m.group(1))
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63 mapping.targetInterval.setStart(min(int(m.group(2)), int(m.group(3))))
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64 mapping.targetInterval.setEnd(max(int(m.group(2)), int(m.group(3))))
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65
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66 mapping.queryInterval.setName(m.group(4))
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67 mapping.queryInterval.setStart(1)
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68 mapping.queryInterval.setSize(mapping.targetInterval.getEnd() - mapping.targetInterval.getStart())
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69
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70 mapping.setSize(mapping.targetInterval.getEnd() - mapping.targetInterval.getStart())
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71 mapping.setNbMismatches(int(m.group(5)))
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72 mapping.setDirection(m.group(6))
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73
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74 return mapping
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75
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76
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