Mercurial > repos > yufei-luo > s_mart

annotate smart_toolShed/SMART/Java/Python/getRandomRegions.py @ 4:1fc014126d55

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Uploaded
author yufei-luo
date Fri, 18 Jan 2013 04:45:50 -0500
parents e0f8dcca02ed
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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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
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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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,
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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12 # modify and redistribute granted by the license, users are provided only
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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13 # with a limited warranty and the software's author, the holder of the
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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14 # economic rights, and the successive licensors have only limited
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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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
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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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
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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22 # professionals having in-depth computer knowledge. Users are therefore
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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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 """Find random regions in a genome"""
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32
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33 import random, math
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34 from optparse import OptionParser
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35 from commons.core.parsing.FastaParser import *
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36 from commons.core.writer.Gff3Writer import *
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37 from commons.core.writer.MySqlTranscriptWriter import *
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38 from SMART.Java.Python.misc.Progress import *
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39 from SMART.Java.Python.structure.Transcript import Transcript
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40 from SMART.Java.Python.structure.TranscriptContainer import TranscriptContainer
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41
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42 repetitions = 100
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43
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44
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45 class RandomRegionsGenerator(object):
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46
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47 def __init__(self, verbosity):
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48 self.verbosity = verbosity
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49 self.strands = False
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50 self.distribution = "uniform"
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51 self.transcripts = None
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52 self.sequenceParser = None
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53 random.seed()
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54
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55
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56 def setInput(self, fileName):
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57 self.sequenceParser = FastaParser(fileName, self.verbosity)
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58
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59
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60 def setGenomeSize(self, size):
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61 self.genomeSize = size
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62
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63
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64 def setChromosomeName(self, name):
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65 self.chromosomeName = name
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66
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67
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68 def setAnnotation(self, fileName, format):
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69 parser = TranscriptContainer(fileName, format, self.verbosity)
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70 self.transcripts = []
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71 for transcript in parser.getIterator():
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72 self.transcripts.append(transcript)
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73 self.setNumber(len(self.transcripts))
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74 self.setSize(0)
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75
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76
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77 def setOutputFile(self, fileName):
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78 self.outputFileName = fileName
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79
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80
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81 def setSize(self, size):
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82 self.minSize = size
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83 self.maxSize = size
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84
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85
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86 def setMinSize(self, size):
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87 self.minSize = size
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88
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89
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90 def setMaxSize(self, size):
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91 self.maxSize = size
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92
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93
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94 def setNumber(self, number):
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95 self.number = number
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96
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97
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98 def setStrands(self, strands):
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99 self.strands = strands
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100
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101
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102 def setMaxDistribution(self, maxElements):
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103 if maxElements == None:
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104 return
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105 self.maxElements = maxElements
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106 self.distribution = "gaussian"
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107
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108
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109 def setDeviationDistribution(self, deviation):
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110 if deviation == None:
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111 return
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112 self.deviation = deviation
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113 self.distribution = "gaussian"
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114
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115
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116 def getSizes(self):
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117 if self.sequenceParser == None:
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118 self.chromosomes = [self.chromosomeName]
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119 self.sizes = {self.chromosomeName: self.genomeSize}
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120 self.cumulatedSize = self.genomeSize
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121 self.cumulatedSizes = {self.chromosomeName: self.genomeSize}
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122 return
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123 self.chromosomes = self.sequenceParser.getRegions()
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124 self.sizes = {}
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125 self.cumulatedSize = 0
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126 self.cumulatedSizes = {}
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127 for chromosome in self.chromosomes:
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128 self.sizes[chromosome] = self.sequenceParser.getSizeOfRegion(chromosome)
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129 self.cumulatedSize += self.sizes[chromosome]
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130 self.cumulatedSizes[chromosome] = self.cumulatedSize
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131
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132
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133 def findPosition(self, size = None):
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134 if size == None:
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135 size = random.randint(self.minSize, self.maxSize)
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136 integer = random.randint(0, self.cumulatedSize)
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137 for chromosome in self.chromosomes:
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yufei-luo
parents:
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138 if self.cumulatedSizes[chromosome] > integer:
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yufei-luo
parents:
diff changeset
139 break
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yufei-luo
parents:
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140 start = random.randint(1, self.sizes[chromosome] - size)
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parents:
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141 return (chromosome, start, size)
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142
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143
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144 def createTranscript(self, chromosome, start, size, strand, cpt):
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145 transcript = Transcript()
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146 transcript.setChromosome(chromosome)
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147 transcript.setStart(start)
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148 transcript.setEnd(start + size-1)
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yufei-luo
parents:
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149 transcript.setDirection(strand)
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parents:
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150 transcript.setName("rand_%d" % (cpt))
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151 return transcript
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152
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153
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154 def moveTranscript(self, chromosome, start, transcript):
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155 while transcript.getEnd() + start - transcript.getStart() > self.cumulatedSizes[chromosome]:
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parents:
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156 chromosome, start, size = self.findPosition(transcript.getEnd() - transcript.getStart())
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157 transcript.setChromosome(chromosome)
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158 oldStart, oldEnd = transcript.getStart(), transcript.getEnd()
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yufei-luo
parents:
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159 if transcript.getNbExons() > 1:
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yufei-luo
parents:
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160 for exon in transcript.getNbExons():
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yufei-luo
parents:
diff changeset
161 oldExonStart, oldExonEnd = exon.getStart(), exon.getEnd()
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parents:
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162 exon.setStart(oldExonStart + start - oldStart)
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yufei-luo
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163 exon.setEnd(oldExonEnd + start - oldStart)
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yufei-luo
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164 transcript.setStart(start)
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yufei-luo
parents:
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165 transcript.setEnd(oldEnd + start - oldStart)
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166 return [transcript]
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167
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168
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169 def createUniformCluster(self, chromosome, start, size, strand, cpt):
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170 transcript = self.createTranscript(chromosome, start, size, strand, cpt)
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171 return [transcript]
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172
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173
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174 def findNbTranscripts(self, cpt):
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175 return min(int(round(math.exp(random.random() * math.log(self.maxElements)))), self.number - cpt + 1)
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176
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177
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178 def getDev(self):
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179 deviation = 0.0
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yufei-luo
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180 for j in range(repetitions):
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181 deviation += random.randint(-self.deviation, self.deviation)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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182 deviation /= repetitions
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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183 deviation = int(round(deviation))
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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184 return deviation
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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185
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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186
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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187 def createGaussianCluster(self, chromosome, start, size, strand, cpt):
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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188 transcripts = []
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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189 nbTranscripts = self.findNbTranscripts(cpt)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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190 for i in range(nbTranscripts):
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
191 transcript = self.createTranscript(chromosome, start + self.getDev(), size + self.getDev(), strand, cpt + i)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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192 transcripts.append(transcript)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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193 return transcripts
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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194
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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195
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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196 def writeRegions(self):
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yufei-luo
parents:
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197 writer = Gff3Writer(self.outputFileName, self.verbosity)
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yufei-luo
parents:
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198 outputFile = open(self.outputFileName, "w")
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parents:
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199 progress = Progress(self.number, "Writing to %s" % (self.outputFileName), self.verbosity)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
200 i = 0
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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201 while i < self.number:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
202 chromosome, start, size = self.findPosition()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
203 strand = random.choice([-1, 1]) if self.strands else 1
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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204 if self.transcripts != None:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
205 transcripts = self.moveTranscript(chromosome, start, self.transcripts[i])
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
206 elif self.distribution == "uniform":
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
207 transcripts = self.createUniformCluster(chromosome, start, size, strand, i+1)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
208 else:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
209 transcripts = self.createGaussianCluster(chromosome, start, size, strand, i+1)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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210 for transcript in transcripts:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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211 writer.addTranscript(transcript)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
212 i += 1
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
213 progress.inc()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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214 progress.done()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
215 outputFile.close()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
216 writer.write()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
217 writer.close()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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parents:
diff changeset
218
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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diff changeset
219
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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diff changeset
220 def run(self):
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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221 self.getSizes()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
222 self.writeRegions()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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parents:
diff changeset
223
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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224
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
225 if __name__ == "__main__":
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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226
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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227 # parse command line
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
228 description = "Get Random Regions v1.0.2: Get some random coordinates on a genome. May use uniform or gaussian distribution (in gaussion distribution, # of element per cluster follows a power law). [Category: Other]"
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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229
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
230 parser = OptionParser(description = description)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
231 parser.add_option("-r", "--reference", dest="reference", action="store", default=None, type="string", help="file that contains the sequences [format: file in FASTA format]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
232 parser.add_option("-S", "--referenceSize", dest="referenceSize", action="store", default=None, type="int", help="size of the chromosome (when no reference is given) [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
233 parser.add_option("-c", "--chromosome", dest="chromosome", action="store", default=None, type="string", help="name of the chromosome (when no reference is given) [format: string]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
234 parser.add_option("-o", "--output", dest="outputFileName", action="store", type="string", help="output file [compulsory] [format: output file in FASTA format]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
235 parser.add_option("-i", "--input", dest="inputFileName", action="store", default=None, type="string", help="optional file containing regions to shuffle [format: file in transcript format given by -f]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
236 parser.add_option("-f", "--format", dest="format", action="store", default=None, type="string", help="format of the previous file [format: transcript file format]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
237 parser.add_option("-s", "--size", dest="size", action="store", default=None, type="int", help="size of the regions (if no region set is provided) [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
238 parser.add_option("-z", "--minSize", dest="minSize", action="store", default=None, type="int", help="minimum size of the regions (if no region set nor a fixed size are provided) [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
239 parser.add_option("-Z", "--maxSize", dest="maxSize", action="store", default=None, type="int", help="maximum size of the regions (if no region set nor a fixed size are provided) [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
240 parser.add_option("-n", "--number", dest="number", action="store", default=None, type="int", help="number of regions (if no region set is provided) [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
241 parser.add_option("-t", "--strands", dest="strands", action="store_true", default=False, help="use both strands (if no region set is provided) [format: boolean]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
242 parser.add_option("-m", "--max", dest="max", action="store", default=None, type="int", help="max. # reads in a cluster (for Gaussian dist.) [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
243 parser.add_option("-d", "--deviation", dest="deviation", action="store", default=None, type="int", help="deviation around the center of the cluster (for Gaussian dist.) [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
244 parser.add_option("-v", "--verbosity", dest="verbosity", action="store", default=1, type="int", help="trace level [format: int]")
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
245 (options, args) = parser.parse_args()
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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246
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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247 rrg = RandomRegionsGenerator(options.verbosity)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
248 if options.reference == None:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
249 rrg.setGenomeSize(options.referenceSize)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
250 rrg.setChromosomeName(options.chromosome)
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yufei-luo
parents:
diff changeset
251 else:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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diff changeset
252 rrg.setInput(options.reference)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
253 rrg.setOutputFile(options.outputFileName)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
254 if options.inputFileName == None:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
255 if options.size != None:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
256 rrg.setSize(options.size)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
257 else:
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
258 rrg.setMinSize(options.minSize)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
259 rrg.setMaxSize(options.maxSize)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff changeset
260 rrg.setNumber(options.number)
e0f8dcca02ed Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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261 rrg.setStrands(options.strands)
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262 else:
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263 rrg.setAnnotation(options.inputFileName, options.format)
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264 rrg.setMaxDistribution(options.max)
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265 rrg.setDeviationDistribution(options.deviation)
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266 rrg.run()
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267