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# 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/>.
import glob
import os
from flask import Flask
from flask import render_template
from flask import abort
from flask.wrappers import Response
from markupsafe import Markup
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.
files = glob.glob("articles/*.md")
files.sort(key=os.path.getctime)
for file in files[::-1]:
try:
articles += render_template('list.html', file = file.replace(".md", ""),
date = config[file.replace(".md", "").replace("articles/", "")]['Date'],
article = config[ \
file.replace(".md", "").replace("articles/", "")]['Title'])
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[" + escape(article.read()) + "]]></description>"
rss_feed += "</item>"
article.close()
rss_feed += "</channel>" + "</rss>"
# Return it!
return Response(rss_feed, mimetype='application/xml')
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