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Diffstat (limited to 'app.py')
| -rw-r--r-- | app.py | 112 |
1 files changed, 112 insertions, 0 deletions
@@ -0,0 +1,112 @@ +# seen, flask edition - A simple blog generator. +# Copyright (C) 2022 Ferass EL HAFIDI +# +# This program 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. +# +# 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. +from flask import Flask +from flask import render_template +from flask import abort +from flask.wrappers import Response +from markupsafe import Markup +import glob +import markdown +import configparser +app = Flask(__name__) + +@app.route('/') +def index(): + """ + This is the article index function. It generates a list of articles. + """ + config = configparser.ConfigParser() + config.read('config.ini') + articles = "<div class=\"articles\">" + # Get config values such as the Blog name and the Welcome text. + try: + blog_name = config['Blog']['Name'] + description = config['Blog']['Description'] + footer = config['Blog']['Footer'] + except KeyError: + return "<code>Missing configuration! Please configure the config.ini!</code>" + # Get a list of all articles. + for file in glob.glob("articles/*.md"): + try: + articles += "\n<a href=\"" + file.replace(".md", "") + "\">" + \ + config[file.replace(".md", "").replace("articles/", "")]['Title'] + "</a>" + except KeyError: + return "<code>No config.ini entry! " + \ + "Please create a config.ini entry for the %s article!</code>" % file + articles += "\n</div>" + # Return index. + return render_template('template.html', blog_name = blog_name, + welcome_text = description, footer = footer, article_index = Markup(articles)) + +@app.route('/articles/') +@app.route('/articles/<name>') +def article(name = None): + """ + This is the article function. It parses a markdown file, converts it to + html, and formats it. + """ + # Open the markdown file, complain if it doesn't exist. + try: article_file = open("articles/" + name + ".md", mode='r') + except OSError: abort(404) + # Convert it to HTML5. + article_text = Markup(markdown.markdown(article_file.read())) + # Close the file + article_file.close() + # Override the defaults + config = configparser.ConfigParser() + config.read('config.ini') + try: + article_title = config[name]['Title'] + article_date = config[name]['Date'] + article_description = config[name]['Description'] + footer = config['Blog']['Footer'] + except KeyError: + return "<code>Missing configuration! Please configure the config.ini!</code>" + # Finally, return the article text. + return render_template('template.html', article = True, article_title = article_title, + article_text = article_text, article_description = article_description, + article_date = article_date, footer = footer) + +@app.route('/rss.xml') +def rss_feeds(): + """ + This function generates RSS Feeds. + """ + config = configparser.ConfigParser() + config.read('config.ini') + if config['Blog']['RSS'] != 'y': abort(404) + blog_name = config['Blog']['Name'] + try: + blog_description = config['Blog']['Description'] + rss_feed = "<rss version=\"2.0\">" + rss_feed += "<channel>" + "<title>" + blog_name + "</title>" + rss_feed += "<link>" + config['Blog']['URL'] + "</link>" + rss_feed += "<description>" + blog_description + "</description>" + except KeyError: + return "<code>Missing configuration! Please configure the config.ini!</code>" + # Create an RSS entry for each article. + for file in glob.glob("articles/*.md"): + article = open(file, mode='r') + rss_feed += "<item>" + rss_feed += "<title>" + \ + config[file.replace("articles/", "").replace(".md", "")]['Title'] + \ + "</title>" + rss_feed += "<description><![CDATA[" + markdown.markdown(article.read()) + "]]></description>" + rss_feed += "</item>" + article.close() + rss_feed += "</channel>" + "</rss>" + # Return it! + return Response(rss_feed, mimetype='application/xml') |