Flask application which powers the conceptnull.org website, using MediaWiki as it's backend.
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from flask import Flask, render_template, Response
import requests
from bs4 import BeautifulSoup
from datetime import datetime
class WikiApp(Flask):
MEDIAWIKI_BASE_URL = 'https://wiki.conceptnull.org/'
BASE_API = 'api.php?'
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Define routes
self.route('/', methods=['GET'])(self.homepage)
self.route('/<string:title>', methods=['GET'])(self.page_content)
self.route('/favicon.ico')(self.favicon)
def fetch_pages_cat(self, category_page_list):
all_pages_string = '|'.join(page for pages in category_page_list.values() for page in pages)
thumb_resp = requests.get(self.MEDIAWIKI_BASE_URL + self.BASE_API, params={
'action': 'query',
'titles': all_pages_string,
'format': 'json',
'prop': 'pageimages',
'pithumbsize': 700,
})
thumb_data = thumb_resp.json()
pages_thumb_data = thumb_data.get('query', {}).get('pages', {})
for key, value in pages_thumb_data.items():
title = value.get('title')
pageid = value.get('pageid')
source = value.get('thumbnail', {}).get('source')
for category, pages in category_page_list.items():
# print(category, pages)
if title in pages:
for index, page_title in enumerate(category_page_list[category]):
if title == page_title:
category_page_list[category][page_title].update({'pageid':pageid, 'title': title, 'source': source })
return category_page_list
def fetch_all_pages(self, categories):
category_page_list = {}
for category in categories:
response = requests.get(self.MEDIAWIKI_BASE_URL + self.BASE_API, params={'action': 'ask', 'query': '[[Concept:'+category+']]|?Article:Date', 'format': 'json', 'formatversion': '2'})
data = response.json()
page_title_timestamps = {}
for page_title, page_data in data['query']['results'].items():
if 'printouts' in page_data and 'Article:Date' in page_data['printouts']:
raw_timestamp = page_data['printouts']['Article:Date'][0]['raw']
raw_timestamp = raw_timestamp[2:]
lol = datetime.strptime(raw_timestamp, "%Y/%m/%d")
formatted_date = lol.strftime("%d.%m.%Y")
page_title_timestamps[page_title] = {'date': formatted_date}
category_page_list[category] = page_title_timestamps
return category_page_list
def homepage(self):
# Fetch pages for articles, projects, and newsletters
categories = ['Articles', 'Projects', 'Newsletters']
category_page_list = self.fetch_all_pages(categories)
updated_cat_list = self.fetch_pages_cat(category_page_list)
articles = updated_cat_list.get('Articles', [])
projects = updated_cat_list.get('Projects', [])
newsletters = updated_cat_list.get('Newsletters', [])
nav_elements = self.get_nav_menu()
return render_template('home.html', articles=articles, projects=projects, newsletters=newsletters, nav_elements=nav_elements)
def page_content(self, title):
# Make a request to MediaWiki API to get content of a specific page
response = requests.get(self.MEDIAWIKI_BASE_URL + self.BASE_API, params={'action': 'parse', 'page': title, 'format': 'json'})
data = response.json()
# Extract page title and content
page_title = data['parse']['title']
page_content = data['parse']['text']['*']
page_content = self.fix_html(page_content)
return render_template('article.html', nav_elements=self.get_nav_menu(), title=page_title, content=page_content)
def get_nav_menu(self):
response = requests.get(self.MEDIAWIKI_BASE_URL + self.BASE_API, params={'action': 'ask', 'query': '[[Concept:MainNavigation]]', 'format': 'json', 'formatversion': '2'})
data = response.json()
main_navigation_elements = {}
for page_title, page_data in data['query']['results'].items():
main_navigation_elements[page_title] = {'title':page_data.get('fulltext', '')}
return main_navigation_elements
def fix_html(self, page_content):
soup = BeautifulSoup(page_content, 'html.parser')
# Find all img tags
images = soup.find_all('img')
# Loop through each image and update the src attribute
for img in images:
# Append 'https://wiki.conceptnull.org' to the src attribute
img['src'] = 'https://wiki.conceptnull.org' + img['src']
# Find all a tags with href not containing 'index.php'
links = soup.find_all('a', href=lambda href: href and 'index.php' not in href and not href.startswith('#') and not href.startswith('/File:'))
# Loop through each link and modify its href attribute
for link in links:
# Add _blank to href
link['target'] = '_blank'
link.string = link.string.strip() + ""
# Find all a tags with href containing 'index.php'
links = soup.find_all('a', href=lambda href: href and 'index.php' in href)
# Loop through each link and modify its href attribute
for link in links:
# Remove 'index.php' from the href attribute
link['href'] = link['href'].replace('/index.php', '')
# Remove any element with class 'mw-editsection'
edit_sections = soup.find_all(class_='mw-editsection')
for edit_section in edit_sections:
edit_section.decompose()
# Remove any <a> tag's surrounding
file_description_tags = soup.find_all('a', class_='mw-file-description')
for file_link in file_description_tags:
file_link.unwrap()
soup = self.remove_thumbnail_img(soup)
return soup.prettify()
def remove_thumbnail_img(self, soup):
thumbnail = soup.find_all(attrs={"typeof": "mw:File/Thumb"})
for img in thumbnail:
img.decompose()
return soup
# Route for favicon.ico to prevent Flask from raising an error
def favicon(self):
return Response('', status=200)
if __name__ == '__main__':
app = WikiApp(__name__)
app.run(debug=True)