Mercurial > repos > yufei-luo > s_mart
diff SMART/Java/Python/GetReadDistribution.py @ 6:769e306b7933
Change the repository level.
author | yufei-luo |
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date | Fri, 18 Jan 2013 04:54:14 -0500 |
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children | 94ab73e8a190 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SMART/Java/Python/GetReadDistribution.py Fri Jan 18 04:54:14 2013 -0500 @@ -0,0 +1,283 @@ +#! /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 random, os, glob, subprocess +from commons.core.parsing.ParserChooser import ParserChooser +from commons.core.parsing.GffParser import GffParser +from SMART.Java.Python.misc.UnlimitedProgress import UnlimitedProgress +from SMART.Java.Python.misc.Progress import Progress +from SMART.Java.Python.misc import Utils +from commons.core.LoggerFactory import LoggerFactory +from commons.core.utils.RepetOptionParser import RepetOptionParser + +LOG_DEPTH = "smart" +DEFAULT_REGION = "_all_" +MULTIPLE_STR = {1: "", 1000: " (in kpb)", 1000000: " (in Gbp)"} + +class GetReadDistribution(object): + + def __init__(self, verbosity = 0): + self.xLab = "" + self.yLab = "# reads" + self.verbosity = verbosity + self.number = random.randint(0, 100000) + self.log = LoggerFactory.createLogger("%s.%s" % (LOG_DEPTH, self.__class__.__name__), self.verbosity) + self.parsers = {} + self.distribution = {} + self.factors = {} + self.regions = None + self.tmpDatName = None + self.tmpRName = None + self.quorum = 1 + self.width = 800 + self.height = 300 + + def setNames(self, names): + self.names = names + + def setInputFiles(self, fileNames, format): + chooser = ParserChooser(self.verbosity) + chooser.findFormat(format) + for cpt, fileName in enumerate(fileNames): + self.parsers[self.names[cpt]] = chooser.getParser(fileName) + + def setOutputFileName(self, fileName): + self.outputFileName = fileName + + def setLabs(self, xLab, yLab): + self.xLab = xLab + self.yLab = yLab + + def setBinSize(self, binSize): + self.binSize = binSize + + def setColors(self, colors): + self.colors = colors + + def setFactors(self, factors): + self.factors = dict(zip(self.names, factors)) + + def setMultiple(self, boolean): + self.multiple = boolean + + def setImageSize(self, width, height): + if width != None: + self.width = width + if height != None: + self.height = height + + def setQuorum(self, quorum): + self.quorum = quorum + + def setRegionsFile(self, fileName): + if fileName != None: + self._loadRegions(fileName) + + def _checkOptions(self): + if not self.parsers: + self.logAndRaise("ERROR: Missing input file names") + + def _logAndRaise(self, errorMsg): + self.log.error(errorMsg) + raise Exception(errorMsg) + + def _loadRegions(self, fileName): + self.regions = {} + parser = GffParser(fileName, self.verbosity) + for transcript in parser.getIterator(): + chromosome = transcript.getChromosome() + start = transcript.getStart() + end = transcript.getEnd() + name = transcript.getName() + if chromosome not in self.regions: + self.regions[chromosome] = {} + if start not in self.regions[chromosome]: + self.regions[chromosome][start] = {} + if end not in self.regions[chromosome][start]: + self.regions[chromosome][start][end] = [] + self.regions[chromosome][start][end].append(name) + + def _getRegions(self, transcript): + if self.regions == None: + return [DEFAULT_REGION] + chromosome = transcript.getChromosome() + start = transcript.getStart() + end = transcript.getEnd() + if chromosome not in self.regions: + return [] + names = [] + for loadedStart in sorted(self.regions[chromosome].keys()): + if loadedStart > end: + return names + for loadedEnd in reversed(sorted(self.regions[chromosome][loadedStart].keys())): + if loadedEnd < start: + break + names.extend(self.regions[chromosome][loadedStart][loadedEnd]) + return names + + def _parse(self, name): + progress = UnlimitedProgress(10000, "Reading file '%s'" % (name), self.verbosity) + for transcript in self.parsers[name].getIterator(): + if transcript.__class__.__name__ == "Mapping": + transcript = transcript.getTranscript() + regions = self._getRegions(transcript) + for region in regions: + if region not in self.distribution: + self.distribution[region] = {} + if name not in self.distribution[region]: + self.distribution[region][name] = {} + chromosome = transcript.getChromosome() + nbElements = float(transcript.getTagValue("nbElements")) if "nbElements" in transcript.getTagNames() else 1 + nbElements *= self.factors.get(name, 1) + if chromosome not in self.distribution[region][name]: + self.distribution[region][name][chromosome] = {} + previousBin = None + for exon in transcript.getExons(): + for pos in range(exon.getStart(), exon.getEnd()+1): + bin = pos / self.binSize + if bin != previousBin: + self.distribution[region][name][chromosome][bin] = self.distribution[region][name][chromosome].get(bin, 0) + nbElements + previousBin = bin + progress.inc() + progress.done() + + def _checkQuorum(self, region): + if self.quorum == None: + return True + return max([max([max(self.distribution[region][name][chromosome].values()) for chromosome in self.distribution[region][name]]) for name in self.distribution[region]]) >= self.quorum + + def _writeData(self, region): + self.tmpDatName = "tmpFile%d.dat" % (self.number) + handle = open(self.tmpDatName, "w") + handle.write("Chr\tPos\tCount\tSample\n") + for name in self.distribution[region]: + for chromosome in sorted(self.distribution[region][name].keys()): + for pos in sorted(self.distribution[region][name][chromosome].keys()): + handle.write("%s\t%d\t%d\t\"%s\"\n" % (chromosome, pos * self.binSize, self.distribution[region][name][chromosome].get(pos, 0), name)) + handle.close() + + def _findMultiple(self, region): + if not self.multiple: + return 1 + maxPosition = max([self.distribution[region][name][chromosome].keys() for name in self.distribution[region] for chromosome in self.distribution[region][name]]) + if maxPosition > 2000000: + return 1000000 + elif maxPosition > 2000: + return 1000 + return 1 + + def _writeScript(self, region): + self.tmpRName = "tmpFile%d.R" % (self.number) + fileName = self.outputFileName if region == DEFAULT_REGION else "%s_%s.png" % (os.path.splitext(self.outputFileName)[0], region) + colors = "scale_fill_brewer(palette=\"Set1\") + scale_color_brewer(palette=\"Set1\")" if self.colors == None else "scale_fill_manual(values = c(%s)) + scale_color_manual(values = c(%s))" % (", ".join(["\"%s\"" % (color) for color in self.colors]), ", ".join(["\"%s\"" % (color) for color in self.colors])) + title = "" if region == DEFAULT_REGION else " of %s" % (region) + facet = "Sample ~ Chr" if region == DEFAULT_REGION else "Sample ~ ." + handle = open(self.tmpRName, "w") + multiple = self._findMultiple(region) + handle.write("library(ggplot2)\n") + handle.write("data <- read.table(\"%s\", header = T)\n" % (self.tmpDatName)) + handle.write("data$Sample <- factor(data$Sample, levels=c(%s))\n" % (", ".join(["\"%s\"" % (name) for name in self.names]))) + handle.write("png(\"%s\", width = %d, height = %d)\n" % (fileName, self.width, self.height)) + handle.write("ggplot(data, aes(x = Pos/%d, y = Count, fill = Sample, color = Sample)) + opts(title = \"Distribution%s\") + geom_bar(stat = \"identity\") + facet_grid(%s, space=\"free\") + xlab(\"%s%s\") + ylab(\"%s\") + %s + opts(legend.position = \"none\", panel.grid.major = theme_blank(), panel.grid.minor = theme_blank(), panel.background = theme_blank())\n" % (multiple, title, facet, self.xLab, MULTIPLE_STR[multiple], self.yLab, colors)) + handle.write("dev.off()\n") + + def _runR(self): + rCommand = "R" + if "SMARTRPATH" in os.environ: + rCommand = os.environ["SMARTRPATH"] + command = "\"%s\" CMD BATCH %s" % (rCommand, self.tmpRName) + status = subprocess.call(command, shell=True) + if status != 0: + raise Exception("Problem with the execution of script file %s, status is: %s" % (self.tmpRName, status)) + + def _plot(self): + progress = Progress(len(self.distribution), "Plotting data", self.verbosity) + for region in self.distribution: + if not self._checkQuorum(region): + self.log.info("Not displaying '%s' for it contains insufficient data." % (region)) + else: + self._writeData(region) + self._writeScript(region) + self._runR() + progress.inc() + progress.done() + + def _cleanFiles(self): + for fileName in (self.tmpDatName, self.tmpRName): + if fileName != None and os.path.exists(fileName): + os.remove(fileName) + for otherFileName in glob.glob("%s*" % (fileName)): + os.remove(otherFileName) + + def run(self): + LoggerFactory.setLevel(self.log, self.verbosity) + self._checkOptions() + self.log.info("START Get Read Distribution") + for name in self.names: + self._parse(name) + self._plot() + self._cleanFiles() + self.log.info("END Get Read Distribution") + + +if __name__ == "__main__": + description = "Usage: GetReadDistribution.py [options]\n\nGet Read Distribution v1.0.1: Get the distribution of a set of reads. [Category: Personal]\n" + epilog = "" + parser = RepetOptionParser(description = description, epilog = epilog) + parser.add_option("-i", "--input", dest="inputFileNames", action="store", default=None, type="string", help="input files, separated by commas [compulsory] [format: string]") + parser.add_option("-f", "--format", dest="format", action="store", default=None, type="string", help="format of the input [compulsory] [format: transcript or sequence file format]") + parser.add_option("-n", "--names", dest="names", action="store", default=None, type="string", help="name of the input data, separated by commas [compulsory] [format: string]") + parser.add_option("-o", "--output", dest="outputFileName", action="store", default=None, type="string", help="output file [format: output file in PNG format]") + parser.add_option("-s", "--binSize", dest="binSize", action="store", default=10000, type="int", help="bin size [format: int] [default: 10000]") + parser.add_option("-l", "--xLabel", dest="xLab", action="store", default="", type="string", help="x-axis label name [format: string]") + parser.add_option("-L", "--yLabel", dest="yLab", action="store", default="# reads", type="string", help="y-axis label name [format: string] [default: Reads]") + parser.add_option("-c", "--colors", dest="colors", action="store", default=None, type="string", help="colors of the bars, separated by commas [format: string]") + parser.add_option("-a", "--factors", dest="factors", action="store", default=None, type="string", help="normalization factors, separated by commas [format: string]") + parser.add_option("-r", "--regions", dest="regionsFileName", action="store", default=None, type="string", help="regions to plot [format: transcript file in GFF format]") + parser.add_option("-m", "--multiple", dest="multiple", action="store_true", default=False, help="print position using multiples (k, G) [format: boolean] [default: False]") + parser.add_option("-q", "--quorum", dest="quorum", action="store", default=1, type="int", help="minimum number of intervals to plot a region [format: int] [default: 1]") + parser.add_option("-z", "--width", dest="width", action="store", default=800, type="int", help="width of the image [format: int] [default: 800]") + parser.add_option("-Z", "--height", dest="height", action="store", default=300, type="int", help="height of the image [format: int] [default: 300]") + parser.add_option("-v", "--verbosity", dest="verbosity", action="store", default=1, type="int", help="trace level [format: int]") + options = parser.parse_args()[0] + iGetReadDistribution = GetReadDistribution(options.verbosity) + iGetReadDistribution.setNames(options.names.split(",")) + iGetReadDistribution.setInputFiles(options.inputFileNames.split(","), options.format) + iGetReadDistribution.setOutputFileName(options.outputFileName) + iGetReadDistribution.setLabs(options.xLab, options.yLab) + iGetReadDistribution.setBinSize(options.binSize) + iGetReadDistribution.setColors(None if options.colors == None else options.colors.split(",")) + iGetReadDistribution.setFactors(None if options.factors == None else map(float, options.factors.split(","))) + iGetReadDistribution.setRegionsFile(options.regionsFileName) + iGetReadDistribution.setMultiple(options.multiple) + iGetReadDistribution.setQuorum(options.quorum) + iGetReadDistribution.setImageSize(options.width, options.height) + iGetReadDistribution.run() +