Files
ahriman/src/ahriman/core/report/rss.py

130 lines
4.5 KiB
Python

#
# Copyright (c) 2021-2025 ahriman team.
#
# This file is part of ahriman
# (see https://github.com/arcan1s/ahriman).
#
# 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/>.
#
import datetime
from collections.abc import Callable
from email.utils import format_datetime, parsedate_to_datetime
from typing import Any
from ahriman.core import context
from ahriman.core.configuration import Configuration
from ahriman.core.report.jinja_template import JinjaTemplate
from ahriman.core.report.report import Report
from ahriman.core.status import Client
from ahriman.core.types import Comparable
from ahriman.models.event import EventType
from ahriman.models.package import Package
from ahriman.models.repository_id import RepositoryId
from ahriman.models.result import Result
class RSS(Report, JinjaTemplate):
"""
RSS report generator
Attributes:
max_entries(int): the maximal amount of entries in RSS
report_path(Path): output path to RSS report
template(str): name of the template
"""
def __init__(self, repository_id: RepositoryId, configuration: Configuration, section: str) -> None:
"""
Args:
repository_id(RepositoryId): repository unique identifier
configuration(Configuration): configuration instance
section(str): settings section name
"""
Report.__init__(self, repository_id, configuration)
JinjaTemplate.__init__(self, repository_id, configuration, section)
self.max_entries = configuration.getint(section, "max_entries", fallback=-1)
self.report_path = configuration.getpath(section, "path")
self.template = configuration.get(section, "template")
@staticmethod
def format_datetime(timestamp: datetime.datetime | float | int | None) -> str:
"""
convert datetime object to string
Args:
timestamp(datetime.datetime | float | int | None): datetime to convert
Returns:
str: datetime as string representation
"""
if timestamp is None:
return ""
if isinstance(timestamp, (int, float)):
timestamp = datetime.datetime.fromtimestamp(timestamp, datetime.UTC)
return format_datetime(timestamp)
@staticmethod
def sort_content(content: list[dict[str, Any]]) -> list[dict[str, Any]]:
"""
sort content before rendering
Args:
content(list[dict[str, str]]): content of the template
Returns:
list[dict[str, str]]: sorted content according to comparator defined
"""
comparator: Callable[[dict[str, str]], Comparable] = \
lambda item: parsedate_to_datetime(item["build_date"])
return sorted(content, key=comparator, reverse=True)
def content(self, packages: list[Package]) -> Result:
"""
extract result to be written to template
Args:
packages(list[Package]): list of packages to generate report
Returns:
Result: result descriptor
"""
ctx = context.get()
reporter = ctx.get(Client)
events = reporter.event_get(EventType.PackageUpdated, None, limit=self.max_entries)
known_packages = {package.base: package for package in packages}
result = Result()
for event in events:
package = known_packages.get(event.object_id)
if package is None:
continue # package not found
result.add_updated(package)
return result
def generate(self, packages: list[Package], result: Result) -> None:
"""
generate report for the specified packages
Args:
packages(list[Package]): list of packages to generate report
result(Result): build result
"""
result = self.content(packages)
rss = self.make_html(result, self.template)
self.report_path.write_text(rss, encoding="utf8")