diff --git a/.github/filters.yml b/.github/filters.yml index f074dc9d..5a1ed42e 100644 --- a/.github/filters.yml +++ b/.github/filters.yml @@ -132,6 +132,10 @@ ivar_consensus: - software/ivar/consensus/** - tests/software/ivar/consensus/** +ivar_trim: + - software/ivar/trim/** + - tests/software/ivar/trim/** + minimap2_align: - software/minimap2/align/** - tests/software/minimap2/align/** diff --git a/software/ivar/trim/functions.nf b/software/ivar/trim/functions.nf new file mode 100644 index 00000000..d25eea86 --- /dev/null +++ b/software/ivar/trim/functions.nf @@ -0,0 +1,59 @@ +/* + * ----------------------------------------------------- + * Utility functions used in nf-core DSL2 module files + * ----------------------------------------------------- + */ + +/* + * Extract name of software tool from process name using $task.process + */ +def getSoftwareName(task_process) { + return task_process.tokenize(':')[-1].tokenize('_')[0].toLowerCase() +} + +/* + * Function to initialise default values and to generate a Groovy Map of available options for nf-core modules + */ +def initOptions(Map args) { + def Map options = [:] + options.args = args.args ?: '' + options.args2 = args.args2 ?: '' + options.publish_by_id = args.publish_by_id ?: false + options.publish_dir = args.publish_dir ?: '' + options.publish_files = args.publish_files + options.suffix = args.suffix ?: '' + return options +} + +/* + * Tidy up and join elements of a list to return a path string + */ +def getPathFromList(path_list) { + def paths = path_list.findAll { item -> !item?.trim().isEmpty() } // Remove empty entries + paths = paths.collect { it.trim().replaceAll("^[/]+|[/]+\$", "") } // Trim whitespace and trailing slashes + return paths.join('/') +} + +/* + * Function to save/publish module results + */ +def saveFiles(Map args) { + if (!args.filename.endsWith('.version.txt')) { + def ioptions = initOptions(args.options) + def path_list = [ ioptions.publish_dir ?: args.publish_dir ] + if (ioptions.publish_by_id) { + path_list.add(args.publish_id) + } + if (ioptions.publish_files instanceof Map) { + for (ext in ioptions.publish_files) { + if (args.filename.endsWith(ext.key)) { + def ext_list = path_list.collect() + ext_list.add(ext.value) + return "${getPathFromList(ext_list)}/$args.filename" + } + } + } else if (ioptions.publish_files == null) { + return "${getPathFromList(path_list)}/$args.filename" + } + } +} diff --git a/software/ivar/trim/main.nf b/software/ivar/trim/main.nf new file mode 100644 index 00000000..f46070e8 --- /dev/null +++ b/software/ivar/trim/main.nf @@ -0,0 +1,41 @@ +// Import generic module functions +include { initOptions; saveFiles; getSoftwareName } from './functions' + +params.options = [:] +def options = initOptions(params.options) + +process IVAR_TRIM { + tag "$meta.id" + label 'process_low' + publishDir "${params.outdir}", + mode: params.publish_dir_mode, + saveAs: { filename -> saveFiles(filename:filename, options:params.options, publish_dir:getSoftwareName(task.process), publish_id:meta.id) } + + conda (params.enable_conda ? "bioconda::ivar=1.3.1" : null) + if (workflow.containerEngine == 'singularity' && !params.singularity_pull_docker_container) { + container "https://depot.galaxyproject.org/singularity/ivar:1.3.1--h089eab3_0" + } else { + container "quay.io/biocontainers/ivar:1.3.1--h089eab3_0" + } + + input: + tuple val(meta), path(bam) + path bed + + output: + tuple val(meta), path("*.bam"), emit: bam + path "*.version.txt" , emit: version + + script: + def software = getSoftwareName(task.process) + def prefix = options.suffix ? "${meta.id}${options.suffix}" : "${meta.id}" + """ + ivar trim \\ + $options.args \\ + -i $bam \\ + -b $bed \\ + -p $prefix + + ivar version | head -n1 2>&1 | sed 's/^.*iVar version //g' > ${software}.version.txt + """ +} diff --git a/software/ivar/trim/meta.yml b/software/ivar/trim/meta.yml new file mode 100644 index 00000000..4b72d968 --- /dev/null +++ b/software/ivar/trim/meta.yml @@ -0,0 +1,64 @@ +name: ivar_trim +description: Trim primer sequences rom a BAM file with iVar +keywords: + - amplicon sequencing + - trimming + - fasta +tools: + - ivar: + description: | + iVar - a computational package that contains functions broadly useful for viral amplicon-based sequencing. + homepage: https://github.com/andersen-lab/ivar + documentation: https://andersen-lab.github.io/ivar/html/manualpage.html +params: + - outdir: + type: string + description: | + The pipeline's output directory. By default, the module will + output files into `$params.outdir/` + - publish_dir_mode: + type: string + description: | + Value for the Nextflow `publishDir` mode parameter. + Available: symlink, rellink, link, copy, copyNoFollow, move. + - enable_conda: + type: boolean + description: | + Run the module with Conda using the software specified + via the `conda` directive + - singularity_pull_docker_container: + type: boolean + description: | + Instead of directly downloading Singularity images for use with Singularity, + force the workflow to pull and convert Docker containers instead. +input: + - meta: + type: map + description: | + Groovy Map containing sample information + e.g. [ id:'test', single_end:false ] + - bam: + type: file + description: A sorted (with samtools sort) bam file + pattern: "*.bam" + - bed: + type: file + description: BED file with primer labels and positions + pattern: "*.bed" +output: + - meta: + type: map + description: | + Groovy Map containing sample information + e.g. [ id:'test', single_end:false ] + - bam: + type: file + description: iVar generated trimmed bam file (unsorted) + pattern: "*.bam" + - version: + type: file + description: File containing software version + pattern: "*.{version.txt}" +authors: + - "@andersgs" + - "@drpatelh" diff --git a/tests/data/bed/test-sc2-artic-v3.bed b/tests/data/bed/test-sc2-artic-v3.bed new file mode 100644 index 00000000..fbd2c968 --- /dev/null +++ b/tests/data/bed/test-sc2-artic-v3.bed @@ -0,0 +1,4 @@ +MN908947.3 1242 1264 nCoV-2019_5_LEFT 1 + +MN908947.3 1623 1651 nCoV-2019_5_RIGHT 1 - +MN908947.3 1573 1595 nCoV-2019_6_LEFT 2 + +MN908947.3 1942 1964 nCoV-2019_6_RIGHT 2 - \ No newline at end of file diff --git a/tests/software/ivar/trim/main.nf b/tests/software/ivar/trim/main.nf new file mode 100644 index 00000000..94fc1e10 --- /dev/null +++ b/tests/software/ivar/trim/main.nf @@ -0,0 +1,15 @@ +#!/usr/bin/env nextflow + +nextflow.enable.dsl = 2 + +include { IVAR_TRIM } from '../../../../software/ivar/trim/main.nf' addParams([:]) + +workflow test_ivar_trim { + bed_file = file("${launchDir}/tests/data/bed/test-sc2-artic-v3.bed", checkIfExists: true) + + def input = [] + input = [ [ id:'test'], + file("${launchDir}/tests/data/bam/test-sc2-artic-v3.bam", checkIfExists: true) ] + + IVAR_TRIM ( input, bed_file ) +} diff --git a/tests/software/ivar/trim/test.yml b/tests/software/ivar/trim/test.yml new file mode 100644 index 00000000..ae1207e5 --- /dev/null +++ b/tests/software/ivar/trim/test.yml @@ -0,0 +1,8 @@ +- name: ivar trim + command: nextflow run ./tests/software/ivar/trim -entry test_ivar_trim -c tests/config/nextflow.config + tags: + - ivar + - ivar_trim + files: + - path: output/ivar/test.bam + md5sum: 09fc287d484f3a56d6868e5a3deace78 \ No newline at end of file