Initial

.env.dev

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+DIFFBOT_TOKEN=

.gitignore

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+.DS_Store
+__pycache__
+.env
+env
+*.sh

Dockerfile

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+# base image
+FROM nikolaik/python-nodejs:latest
+
+WORKDIR /app
+COPY ./ /app
+
+# install requirements
+RUN pip install -r requirements.txt
+
+# start app
+EXPOSE 8000
+CMD ["gunicorn", "app:app", "-b", "0.0.0.0:8000"]

LICENSE

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+MIT License
+
+Copyright (c) 2023 Diffbot
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# RSS Anything
+
+Uses [Diffbot's Extract API](https://www.diffbot.com/products/extract/) to transform lists of links on websites into an RSS feed.
+
+## Installation
+[virtualenv](https://virtualenv.pypa.io/en/latest/) recommended but not necessary.
+
+```sh
+pip install requirements.txt
+flask run
+```

app.py

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+import requests
+import os
+from dotenv import load_dotenv
+from feedgen.feed import FeedGenerator
+from flask import Flask, request, make_response, render_template
+
+app = Flask(__name__)
+
+load_dotenv()
+DIFFBOT_TOKEN = os.getenv("DIFFBOT_TOKEN", None)
+
+@app.route('/')
+def index():
+    return render_template('home.html')
+
+@app.route('/rss')
+def rss():
+
+    # 1. Extract list from URL
+    list_url = request.args.get('url', None)
+    feed_items = []
+    feed_title = ""
+    feed_description = ""
+    feed_url = ""
+
+    if not list_url:
+        return make_response("No URL Provided", 400)
+
+    try:
+        extracted_list_response = requests.get(f"https://api.diffbot.com/v3/list?token={DIFFBOT_TOKEN}&url={list_url}")
+        extracted_list = extracted_list_response.json()
+        if extracted_list.get("error", None):
+            raise Exception(extracted_list.get("error", "Page Error"))
+        feed_items = extracted_list.get("objects", [])[0].get("items", [])
+        feed_title = extracted_list.get("objects", [])[0].get("title", "Custom Feed")
+        feed_description = extracted_list.get("objects", [])[0].get("pageUrl", "")
+        feed_url = extracted_list.get("objects", [])[0].get("pageUrl", "")
+    except Exception as e:
+        print(e)
+        return make_response(str(e), 400)
+
+    # 2. Instantiate a Feed
+    fg = FeedGenerator()
+    fg.title(feed_title)
+    fg.description(feed_description)
+    fg.link(href=feed_url)
+
+    # 3. Generate feed item from list items
+    for article in feed_items:
+        if article.get("title", None) and article.get("link", None):
+            fe = fg.add_entry()
+            fe.title(article.get("title", ""))
+            fe.id(article.get("link", ""))
+            fe.link(href=article.get("link", ""))
+            fe.description(article.get("summary", ""))
+            if author := article.get("byline", None) or article.get("author", None):
+                fe.author(name=author)
+            if published_date := article.get("date", None):
+                fe.pubDate(published_date)
+
+    # 4. Return feed
+    response = make_response(fg.rss_str())
+    response.headers.set('Content-Type', 'application/rss+xml')
+    return response

docker-compose.yml

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+version: '3.7'
+
+services:
+  rssanything:
+    restart: always
+    container_name: rssanything
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - '3011:8000'

requirements.txt

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+feedgen
+Flask
+requests
+python-dotenv
+gunicorn

templates/home.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>RSS Anything</title>
+  <meta name="description" content="Transform any old website with a list of links into an RSS or Atom Feed" />
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Prata&text=RSS%20Anything">
+  <script src="https://cdn.tailwindcss.com"></script>
+  <style>
+    body {
+      -webkit-font-smoothing: antialiased;
+      background: rgb(255,251,245);
+      background: linear-gradient(180deg, rgba(255,251,245,1) 0%, rgba(255,255,255,1) 100%);
+    }
+    h1.title-font {
+      font-family:"Prata";
+    }
+  </style>
+</head>
+<body class="min-h-screen py-24 px-4">
+  <section class="text-slate-600 body-font">
+    <div class="container mx-auto flex w-auto items-center justify-center flex-col">
+      <img class="object-center rounded" width="150" alt="hero" src="{{ url_for('static', filename='rss-anything-icon.svg') }}">
+      <div class="text-center lg:w-2/3 w-full mt-10">
+        <h1 class="title-font text-4xl sm:text-5xl mb-4 text-slate-900 font-bold">RSS Anything</h1>
+        <p class="mb-3 text-xl text-slate-500">Transform any old website with a list of links into an RSS Feed</p>
+        <div class="flex justify-center">
+          <form action="/rss" method="GET" class="mt-6 flex gap-x-4 w-full">
+              <label for="url" class="sr-only">Enter a URL</label>
+              <input id="url" name="url" type="url" required class="min-w-0 flex-auto rounded-md border border-slate-200 bg-white/3 px-4 py-3 shadow-sm ring-1 ring-inset ring-white/10 focus:ring-2 focus:ring-inset focus:ring-sky-500 sm:leading-6" placeholder="Enter a URL">
+              <button type="submit" class="flex-none rounded-md bg-sky-500 px-5 py-3.5 font-semibold text-white shadow-sm hover:bg-sky-400 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-sky-500">Get Feed URL</button>
+          </form>
+        </div>
+      </div>
+    </div>
+  </section>
+  <section class="text-slate-600 body-font">
+    <div class="container mx-auto flex w-auto items-center justify-items-start flex-col mb-10">
+      <div class="lg:w-2/3 w-full mt-10">
+        <img class="object-cover" alt="Screenshot of theatlantic.com's Work in Progress category page in the background of another screenshot. The foreground screenshot is of the Reeder app opened to the Work in Progress section. The same feed of news articles can be observed on both screenshots." src="{{ url_for('static', filename='rss-anything-example.webp') }}">
+      </div>
+    </div>
+  </section>
+  <section>
+    <div class="container mx-auto flex flex-col items-center antialiased text-slate-600">
+      <div class="mb-6 w-full lg:w-2/3 flex items-top">
+        <a href="https://www.diffbot.com" class="me-3 pt-1"><img src="{{ url_for('static', filename='diffbot-logomark.svg') }}" width="50" /></a>
+        <span class="text-sm">
+          <strong>With ❤️ from <a href="https://www.diffbot.com" class="text-sky-600 hover:underline">Diffbot</a></strong>
+          <br />Because <a href="https://masto.ai/@jeromechoo" class="hover:underline">Jerome</a> wants to read all the things in RSS
+        </span>
+      </div>
+    </div>
+  </section>
+</body>
+</html>