Пример #1
0
def initialize_pipeline(phase_path, haplotype_path, cnv_path):
    exons_path = bamhelp.GetExons()

    event, extension = os.path.splitext(os.path.basename(cnv_path))

    phased_bed = "/".join([phase_path, "PHASED.BED"])
    bedtools_path = bamhelp.GetBedtoolsPath()

    try:
        logger.debug(' --- Initializing input files  --- ')
        exonsinroibed = "/".join(
            [haplotype_path, "exons_in_roi" + str(event) + ".bed"])

        nonhetbed = "/".join([haplotype_path, "non_het" + str(event) + ".bed"])
        hetbed = "/".join([haplotype_path, "het" + str(event) + ".bed"])
        hetsnpbed = "/".join([haplotype_path, "het_snp" + str(event) + ".bed"])

        tmp = "/".join([haplotype_path, str(event) + "_tmp.bed"])
        command = " ".join([
            bedtools_path, "intersect -a", exons_path, "-b", cnv_path,
            "-wa -wb > ", tmp
        ])
        runCommand(command)

        cmd = "".join([
            """awk '{print $1"\t"$2"\t"$3"\t"$NF}' """, tmp, " > ",
            exonsinroibed
        ])
        runCommand(cmd)

        splitBed(exonsinroibed, '_exons_in_roi' + str(event))
        command = " ".join([
            bedtools_path, "intersect -a", phased_bed, "-b", exonsinroibed,
            "-wa -wb >", tmp
        ])
        runCommand(command)

        cmd = "".join([
            """awk '{print $1"\t"$2"\t"$3"\t"$4"\t"$5"\t"$6"\t"$NF}' """, tmp,
            " > ", hetsnpbed
        ])
        runCommand(cmd)
        splitBed(hetsnpbed, '_het_snp' + str(event))
        os.remove(tmp)
    except:
        logger.exception("Initialization error !")
        raise
    logger.debug("--- initialization complete ---")
    return
Пример #2
0
def initialize0(results_path, cancer_dir_path):
    try:
        vcf_path = bamhelp.GetVCF()
        exons_path = bamhelp.GetExons()
        reference_path = bamhelp.GetRef()
        bedtools_path = bamhelp.GetBedtoolsPath()
        vpath, vcf = os.path.split(vcf_path)

        if (params.GetPhase()):
            phasedvcf = "/".join(
                [results_path,
                 sub('.vcf$', '_phased.vcf.gz', vcf)])
            vcftobed = "/".join([results_path, sub('.vcf$', '.bed', vcf)])

            hap1vcf = "/".join([results_path, "hap1_het.vcf"])
            hap2vcf = "/".join([results_path, "hap2_het.vcf"])
            hap1vcffiltered = "/".join([results_path, "hap1_het_filtered"])
            hap2vcffiltered = "/".join([results_path, "hap2_het_filtered"])
            hap1vcffilteredtobed = "/".join(
                [results_path, "hap1_het_filtered.bed"])
            hap2vcffilteredtobed = "/".join(
                [results_path, "hap2_het_filtered.bed"])
            phased_bed = "/".join([results_path, "PHASED.BED"])

            phaseVCF(vcf_path, phasedvcf)
            getVCFHaplotypes(phasedvcf, hap1vcf, hap2vcf)
            thinVCF(hap1vcf, hap1vcffiltered)
            thinVCF(hap2vcf, hap2vcffiltered)
            convertvcftobed(hap1vcffiltered + ".recode.vcf",
                            hap1vcffilteredtobed)
            convertvcftobed(hap2vcffiltered + ".recode.vcf",
                            hap2vcffilteredtobed)

            cmd1 = """sed -i 's/$/\thap1/' """ + hap1vcffilteredtobed
            cmd2 = """sed -i 's/$/\thap2/' """ + hap2vcffilteredtobed
            cmd3 = "cat " + hap1vcffilteredtobed + " " + hap2vcffilteredtobed + " > " + 'tmp.bed'
            cmd4 = "sort -V -k1,1 -k2,2 tmp.bed > " + phased_bed

            runCommand(cmd1)
            runCommand(cmd2)
            runCommand(cmd3)
            runCommand(cmd4)
            os.remove('tmp.bed')

    except:

        raise

    return
Пример #3
0
def initialize_pipeline(phase_path, haplotype_path, cnv_path):
    """
    Intersect CNV region with exons and then intersect with phased VCF bed.
    """
    exons_path = params.GetExonsPath()
    cnv_bed = params.GetCNV()

    event, extension = os.path.splitext(os.path.basename(cnv_path))

    phased_bed = "/".join([phase_path, "PHASED.BED"])
    nonroibedfn = "/".join([haplotype_path, "non_roi.bed"])
    bedtools_path = bamhelp.GetBedtoolsPath()

    try:
        logger.debug(' --- Initializing input files  --- ')
        exonsinroibed = "/".join([haplotype_path, "exons_in_roi" + str(event) + ".bed"])
        nonhetbed = "/".join([haplotype_path, "non_het" + str(event) + ".bed"])
        hetbed = "/".join([haplotype_path, "het" + str(event) + ".bed"])
        hetsnpbed = "/".join([haplotype_path, "het_snp" + str(event) + ".bed"])
        tmp1 = "/".join([haplotype_path, str(event) + "_tmp1.bed"])
        tmp2 = "/".join([haplotype_path, str(event) + "_tmp2.bed"])
    
        command = " ".join([bedtools_path, "intersect -a", cnv_path, "-b", exons_path, " > ", exonsinroibed])
        runCommand(command)
        splitBed(exonsinroibed, '_exons_in_roi' + str(event))
        command = " ".join([bedtools_path, "intersect -a", phased_bed, "-b", exonsinroibed, "-wa -wb >", tmp2])
        runCommand(command)
        removeIfEmptyBed(tmp2)
        if os.path.isfile(tmp2):
            filterColumns(tmp2, hetsnpbed, [0,1,2,3,4,5,9])#[i for i in range(0, 8)])
            splitBed(hetsnpbed, '_het_snp' + str(event))
    
        # non-roi bed:
        if not os.path.isfile(nonroibedfn):
            command = " ".join([bedtools_path, "subtract -a", exons_path, "-b", cnv_bed, ">", nonroibedfn])
            runCommand(command)
            removeIfEmptyBed(nonroibedfn)
            if os.path.isfile(nonroibedfn):
                splitBedByChr(nonroibedfn, haplotype_path) 
         
    except:
        logger.exception("Initialization error !")
        raise
    logger.debug("--- initialization complete ---")
    return
Пример #4
0
def initialize0(results_path, cancer_dir_path):
    try:
        vcf_path = bamhelp.GetVCF()
        exons_path = bamhelp.GetExons()
        reference_path = bamhelp.GetRef()
        bedtools_path = bamhelp.GetBedtoolsPath()
        vpath, vcf = os.path.split(vcf_path)

        if params.GetPhase():
            phasedvcf = "/".join(
                [results_path,
                 sub('.vcf$', '_phased.vcf.gz', vcf)])
            vcftobed = "/".join([results_path, sub('.vcf$', '.bed', vcf)])

            hap1vcf = "/".join([results_path, "hap1_het.vcf"])
            hap2vcf = "/".join([results_path, "hap2_het.vcf"])
            hap1vcffiltered = "/".join([results_path, "hap1_het_filtered"])
            hap2vcffiltered = "/".join([results_path, "hap2_het_filtered"])
            hap1vcffilteredtobed = "/".join(
                [results_path, "hap1_het_filtered.bed"])
            hap2vcffilteredtobed = "/".join(
                [results_path, "hap2_het_filtered.bed"])
            phased_bed = "/".join([results_path, "PHASED.BED"])

            phaseVCF(vcf_path, phasedvcf)
            getVCFHaplotypes(phasedvcf, hap1vcf, hap2vcf)
            thinVCF(hap1vcf, hap1vcffiltered)
            thinVCF(hap2vcf, hap2vcffiltered)
            convertvcftobed(hap1vcffiltered + ".recode.vcf",
                            hap1vcffilteredtobed)
            convertvcftobed(hap2vcffiltered + ".recode.vcf",
                            hap2vcffilteredtobed)

            generatePhasedBed(hap1vcffilteredtobed, hap2vcffilteredtobed,
                              phased_bed)

    except:

        logger.exception("Initialization error !")
        raise

    return
Пример #5
0
def initialize0(results_path, cancer_dir_path):
    """
    Initialize paths for files provided by user.
    Phasing is also performed if requested by user.
    """
    try:
        vcf_path = params.GetVCFPath()
        exons_path = params.GetExonsPath()
        #reference_path = bamhelp.GetRef()
        bedtools_path = bamhelp.GetBedtoolsPath()
        vpath, vcf = os.path.split(vcf_path)

        phasedvcf = "/".join([results_path, sub('.vcf$', '_phased.vcf.gz', vcf)])
        vcftobed = "/".join([results_path, sub('.vcf$', '.bed', vcf)])
        hap1vcf = "/".join([results_path, "hap1_het.vcf"])
        hap2vcf = "/".join([results_path, "hap2_het.vcf"])
        hap1vcffiltered = "/".join([results_path, "hap1_het_filtered"])
        hap2vcffiltered = "/".join([results_path, "hap2_het_filtered"])
        hap1vcffilteredtobed = "/".join([results_path, "hap1_het_filtered.bed"])
        hap2vcffilteredtobed = "/".join([results_path, "hap2_het_filtered.bed"])
        phased_bed = "/".join([results_path, "PHASED.BED"])

        if params.GetPhase():
            phaseVCF(vcf_path, phasedvcf)
            getVCFHaplotypes(phasedvcf, hap1vcf, hap2vcf)
        else:
            getVCFHaplotypes(vcf_path, hap1vcf, hap2vcf)

        convertvcftobed(hap1vcf, hap1vcffilteredtobed)
        convertvcftobed(hap2vcf, hap2vcffilteredtobed)
        generatePhasedBed(hap1vcffilteredtobed, hap2vcffilteredtobed, phased_bed)

    except:

        logger.exception("Initialization error!")
        raise

    return