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import functools

import dnf

from utils import CONFIG, log

MULTILIB = {'x86_64': 'i686'} # architectures to exclude in certain queries

@functools.cache

def _base(repo_key):

f"""

Creates a DNF base from repositories defined in CONFIG['repos'], based on the given key.

The sack is filled, which can be extremely slow if not already cached on disk in {CONFIG['cache_dir']['dnf']}.

Cache is never invalidated here, remove the directory manually if needed.

"""

base = dnf.Base()

dnf_conf = base.conf

dnf_conf.arch = CONFIG['architectures']['repoquery']

dnf_conf.cachedir = CONFIG['cache_dir']['dnf']

dnf_conf.substitutions['releasever'] = 'rawhide'

dnf_conf.substitutions['basearch'] = CONFIG['architectures']['repoquery']

for repo in CONFIG['repos'][repo_key]:

base.repos.add_new_repo(conf=dnf_conf, skip_if_unavailable=False, **repo)

log(f'• Filling the DNF {repo_key} sack to/from {CONFIG["cache_dir"]["dnf"]}...', end=' ')

base.fill_sack(load_system_repo=False, load_available_repos=True)

log('done.')

return base

def rawhide_group(group_id):

"""

Return a rawhide comps group of a given id (a.k.a. name)

"""

base = _base('rawhide')

log('• Reading the comps information...', end=' ')

base.read_comps()

log('done.')

for group in base.comps.groups_by_pattern(group_id):

if group.id == group_id:

return group

raise ValueError(f'No such group {group_id}')

def rawhide_sack():

"""

A filled sack to perform rawhide repoquries. See base() for details.

"""

return _base('rawhide').sack

def target_sack():

"""

A filled sack to perform target repoquries. See base() for details.

"""

return _base('target').sack

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