lrossett / centos / centpkg

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#pylint: disable=line-too-long,abstract-class-not-used
'''
    Top level function library for centpkg
'''
#
# Author(s):
#            Jesse Keating <jkeating@redhat.com>
#            Pat Riehecky <riehecky@fnal.gov>
#            Brian Stinson <bstinson@ksu.edu>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.  See http://www.gnu.org/copyleft/gpl.html for
# the full text of the license.



import os
import re
import sys
import warnings

from pyrpkg import Commands, rpkgError
from pyrpkg.layout import SRPMLayout, DistGitLayout
from .lookaside import StreamLookasideCache,SIGLookasideCache
from pyrpkg.utils import cached_property
from . import cli


class DistGitDirectory(object):

    signame = None
    centosversion = None
    projectname = None
    releasename = None
    distrobranch = False

    def __init__(self, branchtext):
        sigtobranchre = r'c(?P<centosversion>\d+[s]?)-sig-(?P<signame>\w+)-?(?P<projectname>\w+)?-?(?P<releasename>\w+)?'
        distrobranchre = r'c(?P<centosversion>\d+)-?(?P<projectname>\w+)?'
        oldbranchre = r'(?P<signame>\w+)(?P<centosversion>\d)'
        sigmatch = re.match(sigtobranchre, branchtext)
        distromatch = re.match(distrobranchre, branchtext)
        oldbranchmatch = re.match(oldbranchre, branchtext)
        if sigmatch:
            gd = sigmatch.groupdict()
            self.signame = gd['signame']
            self.centosversion = gd['centosversion']

            # Users have the option to specify (or not specify) common in their
            # git repos. Ww need to handle these cases because common is not a
            # project nor is it a release.
            if gd['projectname'] != 'common':
                self.projectname = gd['projectname']
            if gd['releasename'] != 'common':
                self.releasename = gd['releasename']
        elif distromatch:
            gd = distromatch.groupdict()
            self.distrobranch = True
            self.signame = 'centos'
            self.centosversion = gd['centosversion']

            if gd['projectname'] != 'common':
                self.projectname = gd['projectname']
        elif oldbranchmatch:
            warnings.warn("This branch is deprecated and will be removed soon",
                          DeprecationWarning)
        else:
            raise ValueError("Branchname: {0} is not valid".format(branchtext))

    @property
    def target(self):
        projectorcommon = self.projectname
        releaseorcommon = self.releasename

        if self.distrobranch:
            if self.centosversion not in ('6','7'):
                return 'c{}s-candidate'.format(self.centosversion)
            else:
                return '-'.join(filter(None, ['c'+self.centosversion,
                                              projectorcommon]))


        if not releaseorcommon:
            if not projectorcommon or projectorcommon == 'common':
                projectorcommon = 'common'
            else:
                releaseorcommon = 'common'

        return '-'.join(filter(None, [self.signame+self.centosversion,
                                      projectorcommon, releaseorcommon])) + '-el{0}'.format(self.centosversion)


class Commands(Commands):
    '''
        For the pyrpkg commands with centpkg behavior
    '''
    def __init__(self, *args, **kwargs):
        '''
            Init the object and some configuration details.
        '''
        super(Commands, self).__init__(*args, **kwargs)

    @property
    def distgitdir(self):
        return DistGitDirectory(self.branch_merge)

    @cached_property
    def lookasidecache(self):
        if self.distgitdir.distrobranch:
            return StreamLookasideCache(self.lookasidehash,
                                        self.lookaside,
                                        self.lookaside_cgi,
                                        )
        else:
            return SIGLookasideCache(self.lookasidehash,
                                        self.lookaside,
                                        self.lookaside_cgi,
                                        self.repo_name,
                                        self.branch_merge)

    # redefined loaders
    def load_rpmdefines(self):
        '''
            Populate rpmdefines based on branch data
        '''

        if not self.distgitdir.centosversion:
            raise rpkgError('Could not get the OS version from the branch:{0}'.format(self.branch_merge))

        self._distvar = self.distgitdir.centosversion
        self._distval = self._distvar.replace('.', '_')

        self._disttag = 'el%s' % self._distval
        self._rpmdefines = ["--define '_sourcedir %s'" % self.layout.sourcedir,
                            "--define '_specdir %s'" % self.layout.specdir,
                            "--define '_builddir %s'" % self.layout.builddir,
                            "--define '_srcrpmdir %s'" % self.layout.srcrpmdir,
                            "--define '_rpmdir %s'" % self.layout.rpmdir,
                            "--define 'dist .%s'" % self._disttag,
                            # int and float this to remove the decimal
                            "--define '%s 1'" % self._disttag]
        self.log.debug("RPMDefines: %s" % self._rpmdefines)

    def load_target(self):
        """ This sets the target attribute (used for mock and koji) """

        self._target = self.distgitdir.target

    def upload(self, *args, **kwargs):
        if not self.distgitdir.distrobranch:
            self.source_entry_type = 'bsd'
        return super(Commands, self).upload(*args, **kwargs)

    def import_srpm(self, *args, **kwargs):
        raise NotImplementedError("import_srpm is not yet implemented in centpkg")

    def patch(self, *args, **kwargs):
        raise NotImplementedError("patch is not yet implemented in centpkg")

    def install(self, *args, **kwargs):
        raise NotImplementedError("install is not yet implemented in centpkg")

    def lint(self, *args, **kwargs):
        raise NotImplementedError("lint is not yet implemented in centpkg")