155 lines
5.4 KiB
Python
155 lines
5.4 KiB
Python
import datetime
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import os
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import re
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from glob import glob
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from typing import Optional
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from flask import Flask, Response, abort, send_from_directory, render_template
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from markdown import markdown
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basedir = os.path.abspath(os.path.join(os.path.realpath(__file__), '..', '..'))
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templates_dir = os.path.join(basedir, 'templates')
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static_dir = os.path.join(basedir, 'static')
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pages_dir = os.path.join(static_dir, 'pages')
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img_dir = os.path.join(static_dir, 'img')
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css_dir = os.path.join(static_dir, 'css')
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fonts_dir = os.path.join(static_dir, 'fonts')
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app = Flask(__name__, template_folder=templates_dir)
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def parse_page_title(page: str) -> str:
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if page.endswith('.md'):
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page = page[:-3]
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return page.replace('-', ' ')
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def get_page_metadata(page: str) -> dict:
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if not page.endswith('.md'):
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page = page + '.md'
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if not os.path.isfile(os.path.join(pages_dir, page)):
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abort(404)
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metadata = {}
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with open(os.path.join(pages_dir, page), 'r') as f:
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metadata['uri'] = '/article/' + page[:-3]
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for line in f.readlines():
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if not line:
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continue
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if not (m := re.match(r'^\[//]: # \(([^:]+):\s*([^)]+)\)\s*$', line)):
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break
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if m.group(1) == 'published':
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metadata[m.group(1)] = datetime.date.fromisoformat(m.group(2))
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else:
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metadata[m.group(1)] = m.group(2)
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return metadata
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def get_page(page: str, title: Optional[str] = None, skip_header: bool = False):
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if not page.endswith('.md'):
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page = page + '.md'
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metadata = get_page_metadata(page)
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with open(os.path.join(pages_dir, page), 'r') as f:
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return render_template('article.html',
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title=title if title else metadata.get('title', 'Platypush - Blog'),
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image=metadata.get('image'),
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description=metadata.get('description'),
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author=re.match(r'(.+?)\s+<([^>]+>)', metadata['author'])[1] if 'author' in metadata else None,
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author_email=re.match(r'(.+?)\s+<([^>]+)>', metadata['author'])[2] if 'author' in metadata else None,
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published=(metadata['published'].strftime('%b %d, %Y')
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if metadata.get('published') else None),
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content=markdown(f.read(), extensions=['fenced_code', 'codehilite']),
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skip_header=skip_header)
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def get_pages(with_content: bool = False, skip_header: bool = False) -> list:
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return sorted([
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{
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'path': path,
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'content': get_page(path, skip_header=skip_header) if with_content else '',
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**get_page_metadata(os.path.basename(path)),
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}
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for path in glob(os.path.join(pages_dir, '*.md'))
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], key=lambda page: page.get('published'), reverse=True)
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@app.route('/', methods=['GET'])
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def home_route():
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return render_template('index.html', pages=get_pages())
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@app.route('/favicon.ico', methods=['GET'])
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def favicon_route():
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return send_from_directory(img_dir, 'favicon.ico')
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@app.route('/img/<img>', methods=['GET'])
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def img_route(img: str):
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return send_from_directory(img_dir, img)
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@app.route('/css/<style>', methods=['GET'])
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def css_route(style: str):
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return send_from_directory(css_dir, style)
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@app.route('/fonts/<file>', methods=['GET'])
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def fonts_route(file: str):
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return send_from_directory(fonts_dir, file)
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@app.route('/article/<article>', methods=['GET'])
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def article_route(article: str):
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return get_page(article)
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@app.route('/rss', methods=['GET'])
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def rss_route():
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pages = get_pages(with_content=True, skip_header=True)
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return Response('''<?xml version="1.0" encoding="UTF-8" ?>
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<rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/">
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<channel>
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<title>Platypush blog feeds</title>
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<link>http://blog.platypush.tech</link>
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<description>Insights and inspirational projects using Platypush as an automation platform</description>
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<category>Programming, automation, Python, machine learning, IoT, smart home</category>
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<image>
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<url>https://git.platypush.tech/uploads/-/system/appearance/header_logo/1/icon-256.png</url>
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<title>Platypush</title>
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<link>https://git.platypush.tech</link>
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</image>
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<pubDate>{last_pub_date}</pubDate>
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<language>en-us</language>
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{items}
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</channel>
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</rss>'''.format(
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last_pub_date=pages[0]['published'].strftime('%a, %d %b %Y %H:%M:%S GMT'),
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items='\n\n'.join([
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'''
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<item>
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<title>{title}</title>
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<link>https://blog.platypush.tech{link}</link>
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<pubDate>{published}</pubDate>
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<description><![CDATA[{content}]]></description>
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<media:content medium="image" url="https://blog.platypush.tech{image}" width="200" height="150" />
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</item>
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'''.format(
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title=page.get('title', '[No Title]'),
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link=page.get('uri', ''),
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published=page['published'].strftime('%a, %d %b %Y %H:%M:%S GMT') if 'published' in page else '',
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content=page.get('content', ''),
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image=page.get('image', ''),
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)
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for page in pages
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]),
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), mimetype='application/rss+xml')
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