221 lines
8.2 KiB
Python
221 lines
8.2 KiB
Python
from __future__ import annotations
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import logging
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import shutil
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from pathlib import Path
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import os
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import markdown
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from typing import Optional, Union, Dict, Generator, List, DefaultDict
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from bs4 import BeautifulSoup
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from collections import defaultdict
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import toml
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import datetime
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from . import config
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def replace_values(template: str, values: Dict[str, str]) -> str:
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for key, value in values.items():
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template = template.replace("{" + key + "}", value)
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return template
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def get_first_header_content(content, fallback: str = ""):
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soup = BeautifulSoup(content, 'html.parser')
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for level in range(1, 7):
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header = soup.find(f'h{level}')
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if header:
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return header.get_text(strip=True)
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return fallback
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class Template:
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def __init__(self, folder: Path):
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self.folder = folder
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self.article: str = (self.folder / "article.html").read_text()
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self.overview: str = (self.folder / "overview.html").read_text()
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self.overview_card: str = (self.folder / "overview_card.html").read_text()
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class ArticleTranslation:
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def __init__(self, file: Path, article_overview: ArticleOverview):
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self.file = file
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self.article_overview = article_overview
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self.language_code = self.file.stem
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self.article_content = self.file.read_text()
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if self.file.suffix == ".md":
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self.article_content = markdown.markdown(self.article_content)
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self.location_in_tree = [self.language_code, *self.article_overview.location_in_tree]
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self.url = "/" + "/".join(self.location_in_tree)
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self.dist_path = Path(config.setup.dist_directory, *self.location_in_tree)
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_language_info = config.languages[config.formatting.fallback_language]
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parsed_language_code = self.language_code.lower().replace("-", "_")
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if parsed_language_code in config.languages:
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_language_info = config.languages[parsed_language_code]
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elif parsed_language_code.split("_")[0] in config.languages:
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_language_info = config.languages[parsed_language_code.split("_")[0]]
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self.language_name: str = _language_info["native_name"]
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self.language_flag: str = _language_info["flag"]
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self.priority: int = _language_info.get("priority", 0)
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self.title = get_first_header_content(self.article_content, fallback=self.language_name)
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def build(self):
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self.dist_path.mkdir(parents=True, exist_ok=True)
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with Path(self.dist_path, "index.html").open("w") as f:
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f.write(self.get_article())
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def _get_values(self, return_foreign_articles: bool = True) -> Dict[str, str]:
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r = {
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"article_content": self.article_content,
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"article_preview": self.article_content[:config.formatting.article_preview_length] + "...",
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"article_url": self.url,
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"article_overview_url": self.article_overview.url,
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"article_slug": self.article_overview.slug,
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"article_title": self.title,
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"article_datetime": self.article_overview.article_written.strftime(config.formatting.datetime_format),
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"article_language_name": self.language_name,
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"article_language_code": self.language_code,
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"article_language_flag": self.language_flag,
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}
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if return_foreign_articles:
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r.update(ARTICLE_REFERENCE_VALUES[self.language_code])
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return r
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def get_article_values(self) -> Dict[str, str]:
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res = {}
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for key, value in self._get_values(return_foreign_articles=False).items():
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res[key + ":" + self.article_overview.slug] = value
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return res
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def get_article(self) -> str:
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global TEMPLATE
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return replace_values(TEMPLATE.article, self._get_values())
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def get_overview_card(self) -> str:
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global TEMPLATE
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return replace_values(TEMPLATE.overview_card, self._get_values())
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class ArticleOverview:
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def __init__(self, directory: Path, location_in_tree: Optional[List[str]] = None, is_root: bool = False):
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self.directory = directory
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article_config = {}
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if (self.directory / "index.toml").exists():
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article_config = toml.load(self.directory / "index.toml")
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self.slug = article_config.get("name", self.directory.name)
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self.article_written = datetime.datetime.fromisoformat(article_config["datetime"]) if "datetime" in article_config else datetime.datetime.fromtimestamp(self.directory.stat().st_mtime)
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self.location_in_tree: List[str] = location_in_tree or []
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self.location_in_tree.append(self.slug)
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self.url = "/" + "/".join(self.location_in_tree)
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self.dist_path = Path(config.setup.dist_directory, *self.location_in_tree)
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if self.slug in ARTICLE_LAKE:
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logger.error("two articles have the same name at %s and %r", ARTICLE_LAKE[self.slug].directory, self.directory)
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exit(1)
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ARTICLE_LAKE[self.slug] = self
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self.child_articles: List[ArticleOverview] = []
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self.article_translations: List[ArticleTranslation] = []
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self.article_translations_map: Dict[str, ArticleTranslation] = {}
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for c in self.directory.iterdir():
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if c.name == "index.toml":
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continue
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if c.is_file():
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at = ArticleTranslation(c, self)
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self.article_translations.append(at)
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self.article_translations_map[at.language_code] = at
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elif c.is_dir():
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self.child_articles.append(ArticleOverview(
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directory=c,
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location_in_tree=self.location_in_tree.copy(),
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))
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# the tree is built
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self.article_translations.sort(key=lambda a: a.priority, reverse=True)
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self.overview_cards = "\n".join(a.get_overview_card() for a in self.article_translations)
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logger.info("found %s at %s with the translations %s", self.slug, ".".join(list(self.location_in_tree)), ",".join(self.article_translations_map.keys()))
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def build(self):
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# builds the tree structure to the dist directory
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self.dist_path.mkdir(parents=True, exist_ok=True)
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with Path(self.dist_path, "index.html").open("w") as f:
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f.write(self.get_overview())
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for at in self.article_translations:
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at.build()
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for ca in self.child_articles:
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ca.build()
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def _get_values(self, return_foreign_articles: bool = True) -> Dict[str, str]:
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r = {
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"article_url": self.url,
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"article_title": self.slug,
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"article_slug": self.slug,
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"article_datetime": self.article_written.strftime(config.formatting.datetime_format),
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"article_overview_url": self.url,
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"article_overview_cards": self.overview_cards,
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}
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if return_foreign_articles:
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r.update(ARTICLE_REFERENCE_VALUES[""])
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return r
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def get_article_values(self) -> Dict[str, str]:
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res = {}
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for key, value in self._get_values(return_foreign_articles=False).items():
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res[key + ":" + self.slug] = value
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return res
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def get_overview(self) -> str:
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global TEMPLATE
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return replace_values(TEMPLATE.overview, self._get_values())
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# GLOBALS
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logger = logging.getLogger("stsg.build")
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TEMPLATE = Template(Path(config.setup.source_directory, "templates"))
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ARTICLE_LAKE: Dict[str, ArticleOverview] = {}
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ARTICLE_REFERENCE_VALUES: DefaultDict[str, Dict[str, str]] = defaultdict(dict)
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def build():
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logger.info("starting build process...")
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logger.info("copying static folder...")
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shutil.copytree(Path(config.setup.source_directory, "static"), Path(config.setup.dist_directory, "static"), dirs_exist_ok=True)
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logger.info("reading page tree...")
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tree = ArticleOverview(directory=Path(config.setup.source_directory, "articles"), is_root=True)
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# build article reverence values
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for article_overview in ARTICLE_LAKE.values():
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ARTICLE_REFERENCE_VALUES[""].update(article_overview.get_article_values())
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for language_code, at in article_overview.article_translations_map.items():
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ARTICLE_REFERENCE_VALUES[language_code].update(at.get_article_values())
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logger.info("writing page tree...")
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tree.build() |