Add new module: Flye

modules/flye/main.nf

@@ -0,0 +1,43 @@
+process FLYE {
+    tag "$meta.id"
+    label 'process_high'
+
+    conda (params.enable_conda ? "bioconda::flye=2.9" : null)
+    container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
+        'https://depot.galaxyproject.org/singularity/flye:2.9--py39h6935b12_1':
+        'quay.io/biocontainers/flye:2.9--py39h6935b12_1' }"
+
+    input:
+    tuple val(meta), path(reads)
+    val mode
+
+    output:
+    tuple val(meta), path("*.fasta.gz"), emit: fasta
+    tuple val(meta), path("*.gfa.gz")  , emit: gfa
+    tuple val(meta), path("*.gv.gz")   , emit: gv
+    tuple val(meta), path("*.txt")     , emit: txt
+    tuple val(meta), path("*.log")     , emit: log
+    tuple val(meta), path("*.json")    , emit: json
+    path "versions.yml"                , emit: versions
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    def args = task.ext.args ?: ''
+    def prefix = task.ext.prefix ?: "${meta.id}"
+    """
+    flye $mode $reads --out-dir . --threads $task.cpus $args
+
+    gzip -c assembly.fasta > ${prefix}.assembly.fasta.gz
+    gzip -c assembly_graph.gfa > ${prefix}.assembly_graph.gfa.gz
+    gzip -c assembly_graph.gv > ${prefix}.assembly_graph.gv.gz
+    mv assembly_info.txt ${prefix}.assembly_info.txt
+    mv flye.log ${prefix}.flye.log
+    mv params.json ${prefix}.params.json
+    cat <<-END_VERSIONS > versions.yml
+    "${task.process}":
+        flye: \$(echo \$(flye --version | sed 's/-b1768//' ))
+    END_VERSIONS
+    """
+}

modules/flye/meta.yml

@@ -0,0 +1,65 @@
+name: "flye"
+description: De novo assembler for single molecule sequencing reads
+keywords:
+  - assembly
+  - genome
+  - de novo
+  - genome assembler
+  - single molecule
+tools:
+  - "flye":
+      description: "Fast and accurate de novo assembler for single molecule sequencing reads"
+      homepage: "https://github.com/fenderglass/Flye"
+      documentation: "https://github.com/fenderglass/Flye/blob/flye/docs/USAGE.md"
+      tool_dev_url: "https://github.com/fenderglass/Flye"
+      doi: "doi:s41592-020-00971-x"
+      licence: "['BSD-3-clause']"
+
+input:
+  - meta:
+      type: map
+      description: |
+        Groovy Map containing sample information
+        e.g. [ id:'test' ]
+  - reads:
+      type: file
+      description: Input file in FASTA/FASTQ format.
+      pattern: "*.{fasta,fastq,fasta.gz,fastq.gz,fa,fq,fa.gz,fq.gz}"
+
+output:
+  - meta:
+      type: map
+      description: |
+        Groovy Map containing sample information
+        e.g. [ id:'test' ]
+  - versions:
+      type: file
+      description: File containing software versions
+      pattern: "versions.yml"
+  - fasta:
+      type: file
+      description: Assembled FASTA file
+      pattern: "*.fasta.gz"
+  - gfa:
+      type: file
+      description: Repeat graph
+      pattern: "*.gfa.gz"
+  - gv:
+      type: file
+      description: Repeat graph
+      pattern: "*.gv.gz"
+  - txt:
+      type: file
+      description: Extra contig information
+      pattern: "*.txt"
+  - log:
+      type: file
+      description: Flye log file
+      pattern: "*.log"
+  - json:
+      type: file
+      description: Flye parameters
+      pattern: "*.json"
+
+authors:
+  - "@mirpedrol"

tests/config/pytest_modules.yml

@@ -711,6 +711,10 @@ flash:
   - modules/flash/**
   - tests/modules/flash/**
 
+flye:
+  - modules/flye/**
+  - tests/modules/flye/**
+
 freebayes:
   - modules/freebayes/**
   - tests/modules/freebayes/**

tests/modules/flye/main.nf

@@ -0,0 +1,71 @@
+#!/usr/bin/env nextflow
+
+nextflow.enable.dsl = 2
+
+include { FLYE } from '../../../modules/flye/main.nf'
+
+workflow test_flye_pacbio_raw {
+
+    input = [
+        [ id:'test' ], // meta map
+        file(params.test_data['bacteroides_fragilis']['nanopore']['test_fastq_gz'], checkIfExists: true)
+    ]
+    mode = "--pacbio-raw"
+
+    FLYE ( input, mode )
+}
+
+workflow test_flye_pacbio_corr {
+
+    input = [
+        [ id:'test' ], // meta map
+        file(params.test_data['homo_sapiens']['pacbio']['hifi'], checkIfExists: true)
+    ]
+    mode = "--pacbio-corr"
+
+    FLYE ( input, mode )
+}
+
+workflow test_flye_pacbio_hifi {
+
+    input = [
+        [ id:'test' ], // meta map
+        file(params.test_data['homo_sapiens']['pacbio']['hifi'], checkIfExists: true)
+    ]
+    mode = "--pacbio-hifi"
+
+    FLYE ( input, mode )
+}
+
+workflow test_flye_nano_raw {
+
+    input = [
+        [ id:'test' ], // meta map
+        file(params.test_data['bacteroides_fragilis']['nanopore']['test_fastq_gz'], checkIfExists: true)
+    ]
+    mode = "--nano-raw"
+
+    FLYE ( input, mode )
+}
+
+workflow test_flye_nano_corr {
+
+    input = [
+        [ id:'test' ], // meta map
+        file(params.test_data['homo_sapiens']['pacbio']['hifi'], checkIfExists: true)
+    ]
+    mode = "--nano-corr"
+
+    FLYE ( input, mode )
+}
+
+workflow test_flye_nano_hq {
+
+    input = [
+        [ id:'test' ], // meta map
+        file(params.test_data['homo_sapiens']['pacbio']['hifi'], checkIfExists: true)
+    ]
+    mode = "--nano-hq"
+
+    FLYE ( input, mode )
+}

tests/modules/flye/nextflow.config

@@ -0,0 +1,7 @@
+process {
+
+    publishDir = { "${params.outdir}/${task.process.tokenize(':')[-1].tokenize('_')[0].toLowerCase()}" }
+    withName: FLYE_LOW_MEM {
+        ext.args = '--asm-coverage 40 --genome-size 5.2k'
+    }
+}

tests/modules/flye/test.yml

@@ -0,0 +1,87 @@
+# According to the issue https://github.com/fenderglass/Flye/issues/164
+# Some fluctuations are expected because of the heuristics
+# Here we check the that test.assembly_info.txt contains at least one contig
+
+- name: flye test_flye_pacbio_raw
+  command: nextflow run ./tests/modules/flye -entry test_flye_pacbio_raw -c ./tests/config/nextflow.config  -c ./tests/modules/flye/nextflow.config
+  tags:
+    - flye
+  files:
+    - path: output/flye/test.assembly.fasta.gz
+    - path: output/flye/test.assembly_graph.gfa.gz
+    - path: output/flye/test.assembly_graph.gv.gz
+    - path: output/flye/test.assembly_info.txt
+      contains: ["contig_1"]
+    - path: output/flye/test.flye.log
+    - path: output/flye/test.params.json
+      md5sum: 54b576cb6d4d27656878a7fd3657bde9
+
+- name: flye test_flye_pacbio_corr
+  command: nextflow run ./tests/modules/flye -entry test_flye_pacbio_corr -c ./tests/config/nextflow.config  -c ./tests/modules/flye/nextflow.config
+  tags:
+    - flye
+  files:
+    - path: output/flye/test.assembly.fasta.gz
+    - path: output/flye/test.assembly_graph.gfa.gz
+    - path: output/flye/test.assembly_graph.gv.gz
+    - path: output/flye/test.assembly_info.txt
+      contains: ["contig_1"]
+    - path: output/flye/test.flye.log
+    - path: output/flye/test.params.json
+      md5sum: 54b576cb6d4d27656878a7fd3657bde9
+
+- name: flye test_flye_pacbio_hifi
+  command: nextflow run ./tests/modules/flye -entry test_flye_pacbio_hifi -c ./tests/config/nextflow.config  -c ./tests/modules/flye/nextflow.config
+  tags:
+    - flye
+  files:
+    - path: output/flye/test.assembly.fasta.gz
+    - path: output/flye/test.assembly_graph.gfa.gz
+    - path: output/flye/test.assembly_graph.gv.gz
+    - path: output/flye/test.assembly_info.txt
+      contains: ["contig_1"]
+    - path: output/flye/test.flye.log
+    - path: output/flye/test.params.json
+      md5sum: 54b576cb6d4d27656878a7fd3657bde9
+
+- name: flye test_flye_nano_raw
+  command: nextflow run ./tests/modules/flye -entry test_flye_nano_raw -c ./tests/config/nextflow.config  -c ./tests/modules/flye/nextflow.config
+  tags:
+    - flye
+  files:
+    - path: output/flye/test.assembly.fasta.gz
+    - path: output/flye/test.assembly_graph.gfa.gz
+    - path: output/flye/test.assembly_graph.gv.gz
+    - path: output/flye/test.assembly_info.txt
+      contains: ["contig_1"]
+    - path: output/flye/test.flye.log
+    - path: output/flye/test.params.json
+      md5sum: 54b576cb6d4d27656878a7fd3657bde9
+
+- name: flye test_flye_nano_corr
+  command: nextflow run ./tests/modules/flye -entry test_flye_nano_corr -c ./tests/config/nextflow.config  -c ./tests/modules/flye/nextflow.config
+  tags:
+    - flye
+  files:
+    - path: output/flye/test.assembly.fasta.gz
+    - path: output/flye/test.assembly_graph.gfa.gz
+    - path: output/flye/test.assembly_graph.gv.gz
+    - path: output/flye/test.assembly_info.txt
+      contains: ["contig_1"]
+    - path: output/flye/test.flye.log
+    - path: output/flye/test.params.json
+      md5sum: 54b576cb6d4d27656878a7fd3657bde9
+
+- name: flye test_flye_nano_hq
+  command: nextflow run ./tests/modules/flye -entry test_flye_nano_hq -c ./tests/config/nextflow.config  -c ./tests/modules/flye/nextflow.config
+  tags:
+    - flye
+  files:
+    - path: output/flye/test.assembly.fasta.gz
+    - path: output/flye/test.assembly_graph.gfa.gz
+    - path: output/flye/test.assembly_graph.gv.gz
+    - path: output/flye/test.assembly_info.txt
+      contains: ["contig_1"]
+    - path: output/flye/test.flye.log
+    - path: output/flye/test.params.json
+      md5sum: 54b576cb6d4d27656878a7fd3657bde9