Mercurial > repos > yufei-luo > s_mart
diff smart_toolShed/SMART/Java/Python/clusterizeBySlidingWindows.py @ 0:e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
author | yufei-luo |
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date | Thu, 17 Jan 2013 10:52:14 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/smart_toolShed/SMART/Java/Python/clusterizeBySlidingWindows.py Thu Jan 17 10:52:14 2013 -0500 @@ -0,0 +1,344 @@ +#! /usr/bin/env python +# +# Copyright INRA-URGI 2009-2010 +# +# This software is governed by the CeCILL license under French law and +# abiding by the rules of distribution of free software. You can use, +# modify and/ or redistribute the software under the terms of the CeCILL +# license as circulated by CEA, CNRS and INRIA at the following URL +# "http://www.cecill.info". +# +# As a counterpart to the access to the source code and rights to copy, +# modify and redistribute granted by the license, users are provided only +# with a limited warranty and the software's author, the holder of the +# economic rights, and the successive licensors have only limited +# liability. +# +# In this respect, the user's attention is drawn to the risks associated +# with loading, using, modifying and/or developing or reproducing the +# software by the user in light of its specific status of free software, +# that may mean that it is complicated to manipulate, and that also +# therefore means that it is reserved for developers and experienced +# professionals having in-depth computer knowledge. Users are therefore +# encouraged to load and test the software's suitability as regards their +# requirements in conditions enabling the security of their systems and/or +# data to be ensured and, more generally, to use and operate it in the +# same conditions as regards security. +# +# The fact that you are presently reading this means that you have had +# knowledge of the CeCILL license and that you accept its terms. +# +import re +from commons.core.writer.WriterChooser import WriterChooser +""" +Cluster the data into regions (defined by size and overlap with next region) and keep only highest peaks. +""" + +import os, os.path +from optparse import OptionParser +from SMART.Java.Python.structure.Transcript import Transcript +from SMART.Java.Python.structure.TranscriptContainer import TranscriptContainer +from SMART.Java.Python.misc.RPlotter import RPlotter +from SMART.Java.Python.misc.Progress import Progress +from commons.core.writer.Gff3Writer import Gff3Writer + +class ClusterizeBySlidingWindows(object): + + def __init__(self, verbosity = 0): + self.verbosity = verbosity + self.strands = (0, ) + self.normalize = False + self.plot = None + self.excel = None + self.outputFileName = '' + self.defaultValue = None + + def __del__(self): + pass + + def setInputFile(self, fileName, format): + self.parser = TranscriptContainer(fileName, format, self.verbosity) + + def setOutputFileName(self, fileName, format="gff", title="S-MART", feature="transcript", featurePart="exon"): + writerChooser = WriterChooser(self.verbosity) + writerChooser.findFormat(format) + self.writer = writerChooser.getWriter(fileName) + self.writer.setTitle(title) + self.writer.setFeature(feature) + self.writer.setFeaturePart(featurePart) +# self.outputFileName = fileName +# self.outputFormat = format + + def setWindowSize(self, size): + self.size = size + + def setWindowOverlap(self, overlap): + self.overlap = overlap + + def setTag(self, tag): + self.tag = tag + + def setOperation(self, operation): + self.operation = operation + + def setBothStrands(self, bothStrands): + if bothStrands: + self.strands = (-1, 1) + + def setNormalize(self, normalize): + self.normalize = normalize + + def setPlot(self, plot): + self.plot = plot + + def setExcel(self, excel): + self.excel = excel + + def setOutputTag(self, tag): + self.outputTagName = tag + + def setDefaultValue(self, defaultValue): + self.defaultValue = defaultValue + + def checkOptions(self): +# if self.operation != None: +# raise Exception("Trying to combine the values without specifying tag! Aborting...") + if self.operation != None and self.operation not in ("sum", "avg", "med", "min", "max"): + raise Exception("Do not understand tag '%s'! Aborting..." % (self.operation)) + + def getChromosomeSizes(self): + self.sizes = {} + progress = Progress(self.parser.getNbTranscripts(), "Getting sizes in genome", self.verbosity) + for transcript in self.parser.getIterator(): + self.sizes[transcript.getChromosome()] = max(transcript.getStart(), self.sizes.get(transcript.getChromosome(), 0)) + progress.inc() + progress.done() + + def getBinsFromPos(self, pos): + bin = (pos - 1) / (self.size - self.overlap) + if bin >= 1 and pos <= bin * (self.size - self.overlap) + self.overlap: + return (bin - 1, bin) + return (bin, ) + + def getPosFromBin(self, bin): + return (bin * (self.size - self.overlap) + 1, bin * (self.size - self.overlap) + self.size) + + def initializeBins(self): + self.binsPerStrand = {} + self.sumsPerStrand = {} + self.valuesPerStrand = {} + self.toBePlottedPerStrand = {} + for strand in self.strands: + self.binsPerStrand[strand] = {} + self.sumsPerStrand[strand] = {} + self.valuesPerStrand[strand] = {} + self.toBePlottedPerStrand[strand] = {} + for chromosome in self.sizes: + binRange = range(self.getBinsFromPos(self.sizes[chromosome])[-1] + 1) + self.binsPerStrand[strand][chromosome] = dict([[i, 0] for i in binRange]) + self.sumsPerStrand[strand][chromosome] = dict([[i, 0.0] for i in binRange]) + self.valuesPerStrand[strand][chromosome] = dict([[i, []] for i in binRange]) + self.toBePlottedPerStrand[strand][chromosome] = dict([[i, 0] for i in binRange]) + + def getNbElements(self, transcript): + nbOccurrences = 1 if "nbOccurrences" not in transcript.getTagNames() else transcript.getTagValue("nbOccurrences") + nbElements = 1 if "nbElements" not in transcript.getTagNames() else transcript.getTagValue("nbElements") + nbOccurrences = float(nbOccurrences) + nbElements = float(nbElements) + nbElements /= float(nbOccurrences) + return nbElements + + def setBins(self): + progress = Progress(self.parser.getNbTranscripts(), "Setting bins", self.verbosity) + for transcript in self.parser.getIterator(): + nbElements = self.getNbElements(transcript) + strand = transcript.getDirection() if len(self.strands) == 2 else 0 + for bin in self.getBinsFromPos(transcript.getStart()): + self.binsPerStrand[strand][transcript.getChromosome()][bin] += nbElements + if self.tag != None: + if self.tag not in transcript.getTagNames(): + if self.defaultValue is None: + raise Exception("Tag %s undefined in transcript %s" % (self.tag, transcript)) + value = self.defaultValue + else: + value = float(transcript.getTagValue(self.tag)) + self.sumsPerStrand[strand][transcript.getChromosome()][bin] += value + self.valuesPerStrand[strand][transcript.getChromosome()][bin].append(value) + progress.inc() + progress.done() + + def aggregateData(self): + if self.operation == "sum": + self.computeSumData() + elif self.operation == "avg": + self.computeAvgData() + elif self.operation == "med": + self.computeMedData() + elif self.operation == "min": + self.computeMinData() + elif self.operation == "max": + self.computeMaxData() + elif self.operation == "GCpercent": + self.computeGCPercent() + else: + self.toBePlottedPerStrand = self.binsPerStrand + + def computeSumData(self): + self.toBePlottedPerStrand = self.sumsPerStrand + + def computeAvgData(self): + for strand in self.strands: + for chromosome in self.binsPerStrand[strand]: + for bin in self.binsPerStrand[strand][chromosome]: + if self.binsPerStrand[strand][chromosome][bin] != 0: + self.toBePlottedPerStrand[strand][chromosome][bin] = float(self.sumsPerStrand[strand][chromosome][bin]) / self.binsPerStrand[strand][chromosome][bin] + + def computeMedData(self): + for strand in self.strands: + for chromosome in self.binsPerStrand[strand]: + for bin in self.binsPerStrand[strand][chromosome]: + if self.valuesPerStrand[strand][chromosome][bin]: + self.valuesPerStrand[strand][chromosome][bin].sort() + size = len(self.valuesPerStrand[strand][chromosome][bin]) + if size % 2 == 1: + self.toBePlottedPerStrand[strand][chromosome][bin] = self.valuesPerStrand[strand][chromosome][bin][(size - 1) / 2] + else: + self.toBePlottedPerStrand[strand][chromosome][bin] = (self.valuesPerStrand[strand][chromosome][bin][size / 2 - 1] + self.valuesPerStrand[strand][chromosome][bin][size / 2]) / 2.0 + + def computeMinData(self): + for strand in self.strands: + for chromosome in self.binsPerStrand[strand]: + for bin in self.binsPerStrand[strand][chromosome]: + if self.valuesPerStrand[strand][chromosome][bin]: + self.toBePlottedPerStrand[strand][chromosome][bin] = min(self.valuesPerStrand[strand][chromosome][bin]) + + def computeMaxData(self): + for strand in self.strands: + for chromosome in self.binsPerStrand[strand]: + for bin in self.binsPerStrand[strand][chromosome]: + if self.valuesPerStrand[strand][chromosome][bin]: + self.toBePlottedPerStrand[strand][chromosome][bin] = max(self.valuesPerStrand[strand][chromosome][bin]) + + def computeGCPercent(self): + for strand in self.strands: + for chromosome in self.binsPerStrand[strand]: + for bin in self.binsPerStrand[strand][chromosome]: + if self.valuesPerStrand[strand][chromosome][bin]: + subSequence = self.valuesPerStrand[strand][chromosome][bin] + NPercent = 100 * (subSequence.countNt("N") / float(subSequence.getSize())) + if NPercent >= 50: + currentGCpercent = "NA" + else: + currentGCpercent = subSequence.getGCpercentageInSequenceWithoutCountNInLength() + + self.toBePlottedPerStrand[strand][chromosome][bin] = currentGCpercent + #TODO: see if a map method could be used for the various "compute" methods + #return currentGCpercent, NPercent + + def plotData(self): + if self.plot != None: + for strand in self.strands: + adjunct = "" + if strand != 0: + adjunct = "Strand%d" % (strand) + for chromosome in self.toBePlottedPerStrand[strand]: + if len(self.toBePlottedPerStrand[strand][chromosome].keys()) > 0: + plotter = RPlotter(self.plot, self.verbosity) + plotter.setFill(0) + plotter.addLine(self.toBePlottedPerStrand[strand][chromosome], chromosome) + plotter.plot() + + def writeExcel(self): + if self.excel != None: + excelFile = open(self.excel, "w") + for strand in self.strands: + maxBin = max([max(self.toBePlottedPerStrand[strand][chromosome].keys()) for chromosome in self.binsPerStrand[strand]]) + for bin in range(0, maxBin + 1): + excelFile.write(",%d-%d" % self.getPosFromBin(bin)) + excelFile.write("\n") + for chromosome in self.toBePlottedPerStrand[strand]: + excelFile.write("%s" % (chromosome)) + for bin in self.toBePlottedPerStrand[strand][chromosome]: + excelFile.write(",%f" % (self.toBePlottedPerStrand[strand][chromosome][bin])) + excelFile.write("\n") + excelFile.close() + + def printRegions(self): + cpt = 1 + tagOp = "nb" + tagName = "Elements" + outputTagName = "nbElements" + if self.operation != None: + tagOp = self.operation.lower() + if self.tag != None: + tagName = self.tag.title() + if self.outputTagName != None: + outputTagName = self.outputTagName + + + #writer = Gff3Writer(self.outputFileName, self.verbosity) + + for strand in self.strands: + for chromosome in self.toBePlottedPerStrand[strand]: + for bin in self.toBePlottedPerStrand[strand][chromosome]: + transcript = Transcript() + transcript.setName("region%d" % cpt) + transcript.setChromosome(chromosome) + transcript.setStart(self.getPosFromBin(bin)[0]) + transcript.setEnd(self.getPosFromBin(bin)[1]) + transcript.setDirection(1 if strand == 0 else strand) + transcript.setTagValue(outputTagName, self.binsPerStrand[strand][chromosome][bin]) + transcript.setTagValue("%s%s" % (tagOp, tagName), str(self.toBePlottedPerStrand[strand][chromosome][bin])) + self.writer.addTranscript(transcript) + cpt += 1 + self.writer.close() + + def run(self): + self.checkOptions() + self.getChromosomeSizes() + self.initializeBins() + self.setBins() + self.aggregateData() + if self.excel: + self.writeExcel() + if self.plot: + self.plotData() + self.printRegions() + + +if __name__ == "__main__": + + # parse command line + description = "Clusterize by Sliding Windows v1.0.1: Produces a GFF3 file that clusters a list of transcripts using a sliding window. [Category: Sliding Windows]" + + parser = OptionParser(description = description) + parser.add_option("-i", "--input", dest="inputFileName", action="store", type="string", help="input file [compulsory] [format: file in transcript format given by -f]") + parser.add_option("-f", "--inputFormat", dest="inputFormat", action="store", type="string", help="format of the input file [compulsory] [format: transcript file format]") + parser.add_option("-o", "--output", dest="outputFileName", action="store", type="string", help="output file [compulsory] [format: output file in transcript format given by -u]") + parser.add_option("-u", "--outputFormat", dest="outputFormat", action="store", default="gff", type="string", help="format of the output file [format: transcript file format]") + parser.add_option("-s", "--size", dest="size", action="store", type="int", help="size of the regions [compulsory] [format: int]") + parser.add_option("-e", "--overlap", dest="overlap", action="store", type="int", help="overlap between two consecutive regions [compulsory] [format: int]") + parser.add_option("-m", "--normalize", dest="normalize", action="store_true", default=False, help="normalize the number of reads per cluster by the number of mappings per read [format: bool] [default: false]") + parser.add_option("-g", "--tag", dest="tag", action="store", default=None, type="string", help="use a given tag as input (instead of summing number of features) [format: string]") + parser.add_option("-r", "--operation", dest="operation", action="store", default=None, type="string", help="combine tag value with given operation [format: choice (sum, avg, med, min, max)]") + parser.add_option("-d", "--defaultValue",dest="defaultValue", action="store", type="float", help="default value for input tag [format: float]") + parser.add_option("-w", "--write", dest="writeTag", action="store", default=None, type="string", help="print the result in the given tag (default usually is 'nbElements') [format: string]") + parser.add_option("-2", "--strands", dest="strands", action="store_true", default=False, help="consider the two strands separately [format: bool] [default: false]") + parser.add_option("-p", "--plot", dest="plot", action="store", default=None, type="string", help="plot regions to the given file [format: output file in PNG format]") + parser.add_option("-x", "--excel", dest="excel", action="store", default=None, type="string", help="write an Excel file to the given file [format: output file in Excel format]") + parser.add_option("-v", "--verbosity", dest="verbosity", action="store", default=1, type="int", help="trace level [format: int] [default: 1]") + (options, args) = parser.parse_args() + + cbsw = ClusterizeBySlidingWindows(options.verbosity) + cbsw.setInputFile(options.inputFileName, options.inputFormat) + cbsw.setOutputFileName(options.outputFileName, options.outputFormat) + cbsw.setWindowSize(options.size) + cbsw.setWindowOverlap(options.overlap) + cbsw.setTag(options.tag) + cbsw.setDefaultValue(options.defaultValue) + cbsw.setOperation(options.operation) + cbsw.setOutputTag(options.writeTag) + cbsw.setBothStrands(options.strands) + cbsw.setPlot(options.plot) + cbsw.setExcel(options.excel) + cbsw.run()