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path: root/src/lib/Bcfg2/Server/Lint/Pkgmgr.py
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""" ``bcfg2-lint`` plugin for :ref:`Pkgmgr
<server-plugins-generators-pkgmgr>` """

import os
import glob
import lxml.etree
import Bcfg2.Options
from Bcfg2.Server.Lint import ServerlessPlugin


class Pkgmgr(ServerlessPlugin):
    """ Find duplicate :ref:`Pkgmgr
    <server-plugins-generators-pkgmgr>` entries with the same
    priority. """

    def Run(self):
        pset = set()
        for pfile in glob.glob(os.path.join(Bcfg2.Options.setup.repository,
                                            'Pkgmgr', '*.xml')):
            if self.HandlesFile(pfile):
                xdata = lxml.etree.parse(pfile).getroot()
                # get priority, type, group
                priority = xdata.get('priority')
                ptype = xdata.get('type')
                for pkg in xdata.xpath("//Package"):
                    if pkg.getparent().tag == 'Group':
                        grp = pkg.getparent().get('name')
                        if (type(grp) is not str and
                                grp.getparent().tag == 'Group'):
                            pgrp = grp.getparent().get('name')
                        else:
                            pgrp = 'none'
                    else:
                        grp = 'none'
                        pgrp = 'none'
                    ptuple = (pkg.get('name'), priority, ptype, grp, pgrp)
                    # check if package is already listed with same
                    # priority, type, grp
                    if ptuple in pset:
                        self.LintError(
                            "duplicate-package",
                            "Duplicate Package %s, priority:%s, type:%s" %
                            (pkg.get('name'), priority, ptype))
                    else:
                        pset.add(ptuple)

    @classmethod
    def Errors(cls):
        return {"duplicate-packages": "error"}