annotate SMART/Java/Python/ncList/FindOverlapsWithOneInterval.py @ 24:452e051f6562

Deleted selected files
author m-zytnicki
date Mon, 29 Apr 2013 03:28:24 -0400
parents 769e306b7933
children
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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
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32 import struct
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33 import math
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34 import os
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35 from optparse import OptionParser
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36 from commons.core.writer.Gff3Writer import Gff3Writer
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37 from SMART.Java.Python.ncList.NCList import NCList
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38 from SMART.Java.Python.ncList.FileSorter import FileSorter
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39 from commons.core.parsing.ParserChooser import ParserChooser
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40 from SMART.Java.Python.ncList.NCListCursor import NCListCursor
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41 from SMART.Java.Python.structure.Transcript import Transcript
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42
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43 LONGSIZE = struct.calcsize('l')
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44
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45 class FindOverlapsWithOneInterval(object):
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46
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47 def __init__(self, verbosity):
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48 self._sortedFileName = None
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49 self._verbosity = verbosity
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50 self._overlappingNames = []
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51 self._nbOverlaps = 0
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52 self._nbWritten = 0
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53
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54 def __del__(self):
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55 if self._sortedFileName and os.path.exists(self._sortedFileName):
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56 os.remove(self._sortedFileName)
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57
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58 def close(self):
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59 self._iWriter.close()
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60
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61 def setOutputFileName(self, fileName):
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62 self._iWriter = Gff3Writer(fileName)
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63
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64 def setFileName(self, fileName, format):
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65 chooser = ParserChooser(self._verbosity)
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66 chooser.findFormat(format)
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67 self._parser = chooser.getParser(fileName)
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68 self._sortedFileName = "%s_sorted.pkl" % (os.path.splitext(fileName)[0])
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69
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70 def setInterval(self, chromosome, start, end):
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71 self._chromosome = chromosome
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72 self._start = start
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73 self._end = end
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74 self._transcript = Transcript()
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75 self._transcript.setChromosome(chromosome)
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76 self._transcript.setStart(start)
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77 self._transcript.setEnd(end)
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78 self._transcript.setDirection("+")
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79
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80 def setTranscript(self, transcript):
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81 if transcript.__class__.__name__ == "Mapping":
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82 transcript = transcript.getTranscript()
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83 self._chromosome = transcript.getChromosome()
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84 self._start = transcript.getStart()
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85 self._end = transcript.getEnd()
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86 self._transcript = transcript
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87
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88 def prepareIntermediateFiles(self):
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89 fs = FileSorter(self._parser, self._verbosity-4)
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90 fs.selectChromosome(self._chromosome)
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91 fs.perChromosome(False)
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92 fs.setOutputFileName(self._sortedFileName)
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93 fs.sort()
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94 self._nbTotalLines = fs.getNbElements()
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95 self._nbLines = fs.getNbElementsPerChromosome()[self._chromosome]
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96
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97 def createNCList(self):
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98 if self._verbosity > 2:
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99 print "Creating NC-list..."
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100 ncList = NCList(self._verbosity)
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101 ncList.createIndex(True)
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102 ncList.setChromosome(self._chromosome)
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103 ncList.setFileName(self._sortedFileName)
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104 ncList.setNbElements(self._nbTotalLines)
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105 ncList.buildLists()
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106 self.setNCList(ncList, ncList.getIndex())
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107 if self._verbosity > 2:
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108 print " ...done (%ds)" % (endTime - startTime)
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109
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110 def setNCList(self, ncList, index):
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111 self._ncList = ncList
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112 self._indix = index
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113
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114 def binarySearch(self, cursor, startL, endL):
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115 if startL > endL:
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116 return None
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117 middleL = (startL + endL) / 2
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118 cursor.moveSibling(middleL)
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119 overlap = self.isOverlapping(cursor)
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120 if overlap == 0:
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121 if middleL == startL:
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122 return cursor
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123 else:
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124 return self.binarySearch(cursor, startL, middleL)
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125 if overlap == -1:
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126 return self.binarySearch(cursor, middleL + 1, endL)
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127 return self.binarySearch(cursor, startL, middleL - 1)
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128
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129 def compare(self, cursor = None):
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130 self._ncList.openFiles()
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131 if cursor == None:
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132 dump = True
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133 cursor = NCListCursor(None, self._ncList, 0, self._verbosity)
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134 cursor._getSiblingData()
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135 cursor = self.binarySearch(cursor, cursor._firstSiblingLIndex, cursor._lastSiblingLIndex)
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136 if cursor == None:
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137 return
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138 while not cursor.isOut() and self.isOverlapping(cursor) == 0:
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139 self.write(cursor)
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140 newCursor = NCListCursor(cursor)
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141 if newCursor.hasChildren():
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142 newCursor.moveDown()
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143 self.compare(newCursor)
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144 if cursor.isLast():
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145 return
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146 cursor.moveRight()
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147
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148 def isOverlapping(self, cursor):
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149 if self._end < cursor.getStart():
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150 return 1
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151 if self._start > cursor.getEnd():
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152 return -1
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153 return 0
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154
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155 def write(self, cursor):
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156 self._nbOverlaps += 1
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157 refTranscript = cursor.getTranscript()
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158 self._overlappingNames.append(refTranscript.getName())
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159
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160 def dumpWriter(self):
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161 if (not self._overlappingNames) or self._transcript == None:
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162 return
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163 self._transcript.setTagValue("nbOverlaps", len(self._overlappingNames))
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164 self._transcript.setTagValue("overlapsWith", "--".join(self._overlappingNames))
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165 self._iWriter.addTranscript(self._transcript)
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166 self._nbWritten += 1
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167 self._overlappingNames = []
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168
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169 def run(self):
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170 self.prepareIntermediateFiles()
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171 self.createNCList()
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172 self.compare()
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173 self.dumpWriter()
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174 self.close()
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175 if self._verbosity > 0:
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176 print "# refs: %d" % (self._nbLines)
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177 print "# written: %d (%d overlaps)" % (self._nbOverlappingQueries, self._nbOverlaps)
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178
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179
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180 if __name__ == "__main__":
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181 description = "FindOverlapsWithOneInterval: Finds overlaps with one query interval."
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182
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183 parser = OptionParser(description = description)
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184 parser.add_option("-i", "--input", dest="inputFileName", action="store", type="string", help="Input file [compulsory] [format: file in transcript format given by -f]")
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185 parser.add_option("-f", "--format", dest="format", action="store", type="string", help="Format of previous file [compulsory] [format: transcript file format]")
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186 parser.add_option("-s", "--start", dest="start", action="store", type="int", help="The start of the query interval [compulsory] [format: int]")
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187 parser.add_option("-e", "--end", dest="end", action="store", type="int", help="The end of the query interval [compulsory] [format: int]")
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188 parser.add_option("-c", "--chromosome", dest="chromosome", action="store", type="string", help="Chromosome of the query interval [compulsory] [format: string]")
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189 parser.add_option("-o", "--output", dest="outputFileName", action="store", type="string", help="Output file [compulsory] [format: output file in GFF3 format]")
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190 parser.add_option("-v", "--verbosity", dest="verbosity", action="store", default=1, type="int", help="Trace level [format: int] [default: 1]")
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191 (options, args) = parser.parse_args()
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192
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193 iFOWOI = FindOverlapsWithOneInterval(options.verbosity)
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194 iFOWOI.setFileName(options.inputFileName, options.format)
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195 iFOWOI.setInterval(options.chromosome, options.start, options.end)
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196 iFOWOI.setOutputFileName(options.outputFileName)
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197 iFOWOI.run()