dnf resolve 2 package sets

test.py

#!/usr/bin/python3
import dnf

base = dnf.Base()
conf = base.conf
conf.cachedir = '/tmp/my_cache_dir'
conf.substitutions['releasever'] = '33'
conf.substitutions['basearch'] = 'x86_64'

base.repos.add_new_repo('my-repo', conf,
    baseurl=["http://download.fedoraproject.org/pub/fedora/linux/releases/$releasever/Everything/$basearch/os/"])
base.fill_sack(load_system_repo=False)

print("Enabled repositories:")
for repo in base.repos.iter_enabled():
    print("id: {}".format(repo.id))
    print("baseurl: {}".format(repo.baseurl))

# First include and exclude packages and groups that define the OS

print("First run:")

include = [
    "vim-minimal"
]

exclude = [
    "logrotate"
]

base.install_specs(
    include,
    exclude=exclude,
    strict=True
)

base.resolve()

for tsi in base.transaction:
    # Avoid using the install_set() helper, as it does not guarantee
    # a stable order
    if tsi.action not in dnf.transaction.FORWARD_ACTIONS:
        continue
    print(f"Pkg to install: {tsi.pkg}")

# Second, apply the customizations from the user. Ideally this would override whatever
# excludes from the first run, but THIS DOESN'T WORK YET.

print("Second run:")

include = [
    "vsftpd"
]

exclude = []

base.install_specs(
    include,
    exclude=exclude,
    strict=False
)

base.resolve()

for tsi in base.transaction:
    # Avoid using the install_set() helper, as it does not guarantee
    # a stable order
    if tsi.action not in dnf.transaction.FORWARD_ACTIONS:
        continue
    print(f"Pkg to install: {tsi.pkg}")