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# Source code for samsifter.tools.calculate_pmds

    # -*- coding: utf-8 -*-
    """Wrapper for PMDtools score calculation functionality.

    .. moduleauthor:: Florian Aldehoff <samsifter@biohazardous.de>
    """

    # custom libraries
    from samsifter.models.filter import FilterItem
    from samsifter.models.parameter import FilterParameter

    # global variables
    TEXT = "[PMDtools] Calculate PMDS"
    DESC = ("Calculates post-mortem degradation scores of reads and writes them "
            "into the DS tags.")

    def item():
        """Create item representing this tool in list and tree views.

        Returns
        -------
        FilterItem
            Item for use in item-based list and tree views.
        """
        filter_item = FilterItem(text=TEXT, desc=DESC,
                                 icon=FilterItem.ICON_ANALYZER)
        filter_item.set_command('pmdtools_mod --dry --writesamfield --header')

        filter_item.add_parameter(FilterParameter(
            text="verbose",
            desc="print additional information to STDERR",
            cli_name="--verbose",
            default=True,
            active=True
        ))

        filter_item.add_parameter(FilterParameter(
            text="statistics",
            desc="output summarizing statistics to STDERR",
            cli_name="--stats",
            default=False
        ))

        return filter_item

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