Add module for TaxonKit name2taxid

modules/nf-core/taxonkit/name2taxid/environment.yml

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+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/nf-core/modules/master/modules/environment-schema.json
+name: "taxonkit_name2taxid"
+channels:
+  - conda-forge
+  - bioconda
+  - defaults
+dependencies:
+  - "bioconda::taxonkit=0.15.1"

modules/nf-core/taxonkit/name2taxid/main.nf

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+process TAXONKIT_NAME2TAXID {
+    tag "$meta.id"
+    label 'process_low'
+
+    conda "${moduleDir}/environment.yml"
+    container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
+        'https://depot.galaxyproject.org/singularity/taxonkit:0.15.1--h9ee0642_0':
+        'biocontainers/taxonkit:0.15.1--h9ee0642_0' }"
+
+    input:
+    tuple val(meta), val(name), path(names_txt)
+    path taxdb
+
+    output:
+    tuple val(meta), path("*.tsv"), emit: tsv
+    path "versions.yml"           , emit: versions
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    def args = task.ext.args ?: ''
+    def prefix = task.ext.prefix ?: "${meta.id}"
+    assert (!name && names_txt) || (name && !names_txt)
+    """
+    taxonkit \\
+        name2taxid \\
+        $args \\
+        --data-dir $taxdb \\
+        --threads $task.cpus \\
+        --out-file ${prefix}.tsv \\
+        ${name? "<<< '$name'": names_txt}
+
+    cat <<-END_VERSIONS > versions.yml
+    "${task.process}":
+        taxonkit: \$( taxonkit version | sed 's/.* v//' )
+    END_VERSIONS
+    """
+
+    stub:
+    def args = task.ext.args ?: ''
+    def prefix = task.ext.prefix ?: "${meta.id}"
+    """
+    touch ${prefix}.tsv
+
+    cat <<-END_VERSIONS > versions.yml
+    "${task.process}":
+        taxonkit: \$( taxonkit version | sed 's/.* v//' )
+    END_VERSIONS
+    """
+}

modules/nf-core/taxonkit/name2taxid/meta.yml

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+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/nf-core/modules/master/modules/meta-schema.json
+name: "taxonkit_name2taxid"
+description: Convert taxon names to TaxIds
+keywords:
+  - taxonomy
+  - taxids
+  - taxon name
+  - conversion
+tools:
+  - "taxonkit":
+      description: "A Cross-platform and Efficient NCBI Taxonomy Toolkit"
+      homepage: "https://bioinf.shenwei.me/taxonkit/"
+      documentation: "https://bioinf.shenwei.me/taxonkit/usage/#name2taxid"
+      tool_dev_url: "https://github.com/shenwei356/taxonkit"
+      doi: "10.1016/j.jgg.2021.03.006"
+      licence: ["MIT"]
+
+input:
+  - meta:
+      type: map
+      description: |
+        Groovy Map containing sample information
+        e.g. `[ id:'sample1', single_end:false ]`
+  - name:
+      type: string
+      description: Taxon name to look up (provide either this or names.txt, not both)
+  - names_txt:
+      type: file
+      description: File with taxon names to look up, each on their own line (provide either this or name, not both)
+  - taxdb:
+      type: file
+      description: Taxonomy database unpacked from ftp://ftp.ncbi.nih.gov/pub/taxonomy/taxdump.tar.gz
+
+output:
+  - meta:
+      type: map
+      description: |
+        Groovy Map containing sample information
+        e.g. `[ id:'sample1', single_end:false ]`
+  - versions:
+      type: file
+      description: File containing software versions
+      pattern: "versions.yml"
+  - tsv:
+      type: file
+      description: TSV file of Taxon names and their taxon ID
+      pattern: "*.tsv"
+
+authors:
+  - "@mahesh-panchal"
+maintainers:
+  - "@mahesh-panchal"

modules/nf-core/taxonkit/name2taxid/tests/main.nf.test

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+nextflow_process {
+
+    name "Test Process TAXONKIT_NAME2TAXID"
+    script "../main.nf"
+    process "TAXONKIT_NAME2TAXID"
+
+    tag "modules"
+    tag "modules_nfcore"
+    tag "untar"
+    tag "taxonkit"
+    tag "taxonkit/name2taxid"
+
+    setup {
+        run("UNTAR"){
+            script "modules/nf-core/untar/main.nf"
+            process {
+                """
+                input[0] = [
+                    [ id:'test' ],
+                    file("ftp://ftp.ncbi.nih.gov/pub/taxonomy/taxdump.tar.gz", checkIfExists: true)
+                ]
+                """
+            }
+        }
+    }
+
+    test("sarscov2 - name") {
+
+        when {
+            process {
+                """
+                input[0] = [
+                    [ id:'test', single_end:false ], // meta map
+                    "SARS-CoV-2",
+                    []
+                ]
+                input[1] = UNTAR.out.untar.map{ it[1] }
+                """
+            }
+        }
+
+        then {
+            assertAll(
+                { assert process.success },
+                { assert snapshot(process.out).match() }
+            )
+        }
+
+    }
+
+    test("sarscov2 - list") {
+
+        when {
+            process {
+                """
+                input[0] = Channel.of( [
+                    [ id:'test', single_end:false ], // meta map
+                    ''
+                ] ).combine( Channel.of("SARS-CoV-2").collectFile( name:'names.txt', newLine: true ) )
+                input[1] = UNTAR.out.untar.map{ it[1] }
+                """
+            }
+        }
+
+        then {
+            assertAll(
+                { assert process.success },
+                { assert snapshot(process.out).match() }
+            )
+        }
+
+    }
+
+    test("sarscov2 - name - stub") {
+
+        options "-stub"
+
+        when {
+            process {
+                """
+                input[0] = [
+                    [ id:'test', single_end:false ], // meta map
+                    "SARS-CoV-2",
+                    []
+                ]
+                input[1] = UNTAR.out.untar.map{ it[1] }
+                """
+            }
+        }
+
+        then {
+            assertAll(
+                { assert process.success },
+                { assert snapshot(process.out).match() }
+            )
+        }
+
+    }
+
+}

modules/nf-core/taxonkit/name2taxid/tests/tags.yml

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+taxonkit/name2taxid:
+  - "modules/nf-core/taxonkit/name2taxid/**"