BISMARK_GENOME_PREPARATION

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Generate indexes for Bismark (see https://github.com/FelixKrueger/Bismark/blob/master/bismark_genome_preparation).

Example

This wrapper can be used in the following way:

# For *.fa file
rule bismark_genome_preparation_fa:
    input:
        "indexes/{genome}/{genome}.fa"
    output:
        directory("indexes/{genome}/Bisulfite_Genome")
    log:
        "logs/indexes/{genome}/Bisulfite_Genome.log"
    params:
        ""  # optional params string
    wrapper:
        "v3.6.0-3-gc8272d7/bio/bismark/bismark_genome_preparation"

# Fo *.fa.gz file:
rule bismark_genome_preparation_fa_gz:
    input:
        "indexes/{genome}/{genome}.fa.gz"
    output:
        directory("indexes/{genome}/Bisulfite_Genome")
    log:
        "logs/indexes/{genome}/Bisulfite_Genome.log"
    params:
        extra=""  # optional params string
    wrapper:
        "v3.6.0-3-gc8272d7/bio/bismark/bismark_genome_preparation"

Note that input, output and log file paths can be chosen freely.

When running with

snakemake --use-conda

the software dependencies will be automatically deployed into an isolated environment before execution.

Software dependencies

  • bowtie2=2.5.3

  • bismark=0.24.2

  • samtools=1.19.2

Input/Output

Input:

  • path to genome *.fa (or *.fasta, *.fa.gz, *.fasta.gz) file

Output:

  • No ouptut, generates bismark indexes in parent directory of input file

Authors

  • Roman Cherniatchik

Code

"""Snakemake wrapper for Bismark indexes preparing using bismark_genome_preparation."""

# https://github.com/FelixKrueger/Bismark/blob/master/bismark_genome_preparation

__author__ = "Roman Chernyatchik"
__copyright__ = "Copyright (c) 2019 JetBrains"
__email__ = "roman.chernyatchik@jetbrains.com"
__license__ = "MIT"


from os import path
from snakemake.shell import shell

input_dir = path.dirname(snakemake.input[0])

params_extra = snakemake.params.get("extra", "")
log = snakemake.log_fmt_shell(stdout=True, stderr=True)

shell("bismark_genome_preparation --verbose --bowtie2 {params_extra} {input_dir} {log}")