Source code for thoth.adviser.sieves.index_enabled
#!/usr/bin/env python3
# thoth-adviser
# Copyright(C) 2019 - 2021 Fridolin Pokorny
#
# 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 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""A sieve for filtering out disabled Python package indexes."""
import logging
from typing import Any
from typing import Optional
from typing import Dict
from typing import Generator
from typing import TYPE_CHECKING
import attr
from thoth.python import PackageVersion
from thoth.storages.exceptions import NotFoundError
from ..sieve import Sieve
if TYPE_CHECKING:
from ..pipeline_builder import PipelineBuilderContext
_LOGGER = logging.getLogger(__name__)
[docs]@attr.s(slots=True)
class PackageIndexSieve(Sieve):
"""Filter out disabled Python package indexes."""
CONFIGURATION_DEFAULT = {"package_name": None}
_cached_records: Dict[str, Optional[bool]] = attr.ib(default=attr.Factory(dict), kw_only=True)
[docs] @classmethod
def should_include(cls, builder_context: "PipelineBuilderContext") -> Generator[Dict[str, Any], None, None]:
"""Remove indexes which are not enabled in pipeline configuration."""
if not builder_context.is_included(cls):
yield {}
return None
yield from ()
return None
[docs] def run(self, package_versions: Generator[PackageVersion, None, None]) -> Generator[PackageVersion, None, None]:
"""Filter out package versions based on disabled Python package index."""
for package_version in package_versions:
if package_version.index.url in self._cached_records:
is_enabled = self._cached_records[package_version.index.url]
else:
try:
is_enabled = self.context.graph.is_python_package_index_enabled(package_version.index.url)
except NotFoundError:
# A special value of None marks non-existing index in thoth's knowledge base.
is_enabled = None
self._cached_records[package_version.index.url] = is_enabled
if is_enabled is None:
_LOGGER.debug(
"Removing Python package version %r as used index is not registered",
package_version.to_tuple(),
)
continue
if not is_enabled:
_LOGGER.debug(
"Removing Python package version %r as used index is not enabled",
package_version.to_tuple(),
)
continue
yield package_version