Commit 1bbf15aa authored by Sander Bollen's avatar Sander Bollen
Browse files

VcfFilter addition for musthavegenotypes. See #186.

Ended up using HTSJDK nomenclature for genotype types
I.e: HET, HOM_REF, HOM_VAR, MIXED, NO_CALL and UNAVAILABLE
parent f402933f
......@@ -17,7 +17,7 @@ package nl.lumc.sasc.biopet.tools
import java.io.File
import htsjdk.variant.variantcontext.VariantContext
import htsjdk.variant.variantcontext.{ GenotypeType, VariantContext }
import htsjdk.variant.variantcontext.writer.{ AsyncVariantContextWriter, VariantContextWriterBuilder }
import htsjdk.variant.vcf.VCFFileReader
import nl.lumc.sasc.biopet.core.config.Configurable
......@@ -72,6 +72,7 @@ object VcfFilter extends ToolCommand {
minSamplesPass: Int = 1,
mustHaveVariant: List[String] = Nil,
calledIn: List[String] = Nil,
mustHaveGenotype: List[String] = Nil,
deNovoInSample: String = null,
resToDom: List[Trio] = Nil,
trioCompound: List[Trio] = Nil,
......@@ -126,6 +127,10 @@ object VcfFilter extends ToolCommand {
opt[String]("calledIn") unbounded () valueName "<sample>" action { (x, c) =>
c.copy(calledIn = x :: c.calledIn)
} text "Must be called in this sample"
opt[String]("mustHaveGenotype") unbounded () valueName "<sample:genotype>" action { (x, c) =>
c.copy(mustHaveGenotype = x :: c.mustHaveGenotype)
} validate { x => if (x.split(":").length == 2 && Set("HET", "HOM_REF", "HOM_VAR", "MIXED", "NO_CALL", "UNAVAILABLE").contains(x.split(":")(1))) success else failure("--mustHaveGenotype should be in this format: sample:genotype")
} text "Must have genotoype <genotype> for this sample. Genotype can be HET, HOM_REF, HOM_VAR, MIXED, NO_CALL and UNAVAILABLE"
opt[String]("diffGenotype") unbounded () valueName "<sample:sample>" action { (x, c) =>
c.copy(diffGenotype = (x.split(":")(0), x.split(":")(1)) :: c.diffGenotype)
} validate { x => if (x.split(":").length == 2) success else failure("--notSameGenotype should be in this format: sample:sample")
......@@ -183,7 +188,7 @@ object VcfFilter extends ToolCommand {
hasMinSampleDepth(record, cmdArgs.minSampleDepth, cmdArgs.minSamplesPass) &&
minAlternateDepth(record, cmdArgs.minAlternateDepth, cmdArgs.minSamplesPass) &&
(cmdArgs.mustHaveVariant.isEmpty || mustHaveVariant(record, cmdArgs.mustHaveVariant)) &&
calledIn(record, cmdArgs.calledIn) &&
calledIn(record, cmdArgs.calledIn) && hasGenotype(record, cmdArgs.mustHaveGenotype) &&
(cmdArgs.diffGenotype.isEmpty || cmdArgs.diffGenotype.forall(x => notSameGenotype(record, x._1, x._2))) &&
(
cmdArgs.filterHetVarToHomVar.isEmpty ||
......@@ -220,6 +225,17 @@ object VcfFilter extends ToolCommand {
else true
}
/**
* Checks if given genotypes for given samples are there
* @param record VCF record
* @param samplesGenotypes samples and their associated genotypes to be checked (of format sample:genotype)
* @return false when filter fails
*/
def hasGenotype(record: VariantContext, samplesGenotypes: List[String]): Boolean = {
if (!samplesGenotypes.forall(x => record.getGenotype(x.split(":")(0)).getType == GenotypeType.valueOf(x.split(":")(1)))) false
else true
}
/**
* Checks if record has atleast minQualScore
* @param record VCF record
......
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