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import os
from typing import Dict, List, Optional, Union
import yaml
from django.conf import settings
from django.http import Http404
from markdown2 import markdown
def get_category(path: List[str]) -> Dict[str, str]:
"""Load category information by name from _info.yml."""
path = settings.ARTICLES_PATH.joinpath(*path)
if not path.exists() or not path.is_dir():
raise Http404("Category not found.")
return yaml.safe_load(path.joinpath("_info.yml").read_text())
def get_categories(path: Optional[List[str]] = None) -> Dict[str, Dict]:
"""Get all categories information."""
categories = {}
if path is None:
categories_path = settings.ARTICLES_PATH
path = []
else:
categories_path = settings.ARTICLES_PATH.joinpath(*path)
for name in categories_path.iterdir():
if name.is_dir():
categories[name.name] = get_category([*path, name.name])
return categories
def get_articles(path: Optional[List[str]] = None) -> Dict[str, Dict]:
"""Get all root or category articles."""
if path is None:
base_dir = settings.ARTICLES_PATH
else:
base_dir = settings.ARTICLES_PATH.joinpath(*path)
articles = {}
for item in base_dir.iterdir():
if item.is_file() and item.name.endswith(".md"):
md = markdown(item.read_text(), extras=["metadata"])
articles[os.path.splitext(item.name)[0]] = md.metadata
return articles
def get_article(path: List[str]) -> Dict[str, Union[str, Dict]]:
"""Get one specific article. When category is specified, get it from there."""
article_path = settings.ARTICLES_PATH.joinpath(*path[:-1])
# We need to include extension MD
article_path = article_path.joinpath(f"{path[-1]}.md")
if not article_path.exists() or not article_path.is_file():
raise Http404("Article not found.")
html = markdown(
article_path.read_text(),
extras=[
"metadata",
"fenced-code-blocks",
"header-ids",
"strike",
"target-blank-links",
"tables",
"task_list"
]
)
return {"article": str(html), "metadata": html.metadata}
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