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# Package initialization
# Copyright (C) 2022-2023 Nguyễn Gia Phong
#
# This file is part of rub.
#
# Rub is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Rub 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with rub. If not, see <https://www.gnu.org/licenses/>.
from functools import cached_property
from os import walk
from pathlib import Path
from shutil import copytree, rmtree
from typing import Iterator
from doit import run as do
from rub.xml import Processor, gen_metadata, gen_omnifeed
__all__ = ['rub']
OMNIFEED = Path('feed.xml')
def glob_files(root: Path, suffix='') -> list[Path]:
"""Return the list of all files in given directory, recursively."""
return [Path(path).relative_to(root)/file
for path, dirs, files in walk(root)
for file in files if file.endswith(suffix)]
def replace(source: Path, destination: Path) -> None:
"""Replace destination with source directory."""
rmtree(destination, ignore_errors=True)
copytree(source, destination, dirs_exist_ok=True)
def processing_task(proc: Processor, path: Path,
src_dir: Path, dest_dir: Path, doc: str) -> dict:
source, dest = src_dir / path, proc.change_name(dest_dir/path)
return {'name': f'/{proc.change_name(path)}', 'doc': doc,
'file_dep': [proc.xslt, source],
'actions': [(proc.process, [source, dest])],
'targets': [dest], 'clean': True}
class Rubber:
"""Static generator."""
def __init__(self, page_proc: Processor, feed_proc: Processor,
base: Path, src: Path, cache: Path, out: Path) -> None:
self.page_proc, self.feed_proc = page_proc, feed_proc
self.base, self.src = base, src
self.cache, self.out = cache, out
def task_base(self) -> dict:
paths = glob_files(self.base)
return {'doc': 'copy base directory',
'file_dep': [self.base/path for path in paths],
'actions': [(replace, [self.base, self.out])],
'targets': [self.out/path for path in paths],
'clean': True}
@cached_property
def sources(self) -> list[Path]:
return glob_files(self.src, '.xml')
@cached_property
def metadata(self) -> Path:
return self.cache / 'metadata.xml'
@cached_property
def page_tasks(self) -> list[dict]:
return [processing_task(self.page_proc, path, self.src, self.out,
f'process {path} into a web page')
for path in self.sources]
@cached_property
def pages(self) -> list[Path]:
for task in self.page_tasks:
assert len(task['targets']) == 1
return [task['targets'][0] for task in self.page_tasks]
def task_metadata(self) -> dict:
sources = [self.src/path for path in self.sources]
return {'doc': 'extract metadata from source pages',
'file_dep': sources,
'actions': [(gen_metadata, [sources, self.pages, self.out,
self.metadata])],
'targets': [self.metadata], 'clean': True}
def task_pages(self) -> Iterator[dict]:
yield {'name': None, 'doc': 'process sources into web pages'}
yield from self.page_tasks
def task_global_feed(self) -> dict:
src = self.cache / OMNIFEED
task = processing_task(self.feed_proc, OMNIFEED, self.cache, self.out,
'generate global feed')
file_dep = (file for file in task['file_dep'] if file != src)
return {'doc': task['doc'],
'file_dep': [self.metadata, *self.pages, *file_dep],
'actions': [(gen_omnifeed, [self.metadata, self.out, src]),
*task['actions']],
'targets': [src, *task['targets']], 'clean': True}
def rub(page_proc: Processor, feed_proc: Processor,
base: Path, src: Path, cache: Path, out: Path) -> None:
"""Generate static website."""
rubber = Rubber(page_proc, feed_proc, base, src, cache, out)
do({k: getattr(rubber, k) for k in dir(rubber)})
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