import requests # Import the requests library to make HTTP requests

import feedparser # Import the feedparser library to parse RSS feeds

from string import Template # Import the Template class from the string module for template substitution

import sys # Import sys to exit the script if needed

import re # Import the regex module for extracting the countdown value

# URL of the freeCodeCamp RSS feed

rss_url = "https://www.freecodecamp.org/news/rss/"

# List of tags to filter by

target_tags = [

"beginners guide", "beginners", "learning", "python", "learn coding", "github",

"javascript", "html", "css", "self-improvement", "git"

]

# First read the current README to extract the countdown value

try:

with open("README.md", "r") as current_readme:

current_content = current_readme.read()

# Find the current countdown value using regex

countdown_match = re.search(r'Days remaining: <span id="countdown" [^>]*>(\d+)</span>', current_content)

current_countdown = countdown_match.group(1) if countdown_match else "##COUNTDOWN##"

except (FileNotFoundError, AttributeError):

current_countdown = "##COUNTDOWN##"

# Fetch the RSS feed

response = requests.get(rss_url)

feed = feedparser.parse(response.content)

# Filter posts by tags

filtered_posts = []

for post in feed.entries:

# Check if the post has any of the target tags

if 'tags' in post:

# Extract the tag content from CDATA format

post_tags = [tag.get('term', '').lower().strip() for tag in post.tags]

# Check if any of our target tags match the post tags

if any(target_tag.lower() in post_tag for target_tag in target_tags for post_tag in post_tags):

filtered_posts.append(post)

# Stop once we have 2 matching posts

if len(filtered_posts) >= 2:

break

# If we don't have exactly 2 filtered posts, exit without updating

if len(filtered_posts) != 2:

print(f"Not enough filtered posts found. Only found {len(filtered_posts)} posts matching the tags.")

print("README not updated.")

sys.exit(0) # Exit the script without error

# Extract the two filtered posts with author information

latest_posts = filtered_posts[:2]

news_posts = []

for post in latest_posts:

author = post.get('author', '')

if not author and hasattr(post, 'creator'):

author = post.creator

news_posts.append(f"<a href='{post.link}'>{post.title}</a> by {author}")

# Debug prints to verify extracted data

for i, post in enumerate(news_posts, 1):

print(f"news_post_{i}: {post}")

# Also print tags to help debug

if i <= len(filtered_posts):

if 'tags' in filtered_posts[i-1]:

tags = [tag.get('term', '') for tag in filtered_posts[i-1].tags]

print(f" Tags: {', '.join(tags)}")

# Read the template file

with open("README.md.tpl", "r") as tpl_file:

tpl_content = tpl_file.read()

# Replace placeholders with actual posts

template = Template(tpl_content)

readme_content = template.substitute(

news_post_1=news_posts[0],

news_post_2=news_posts[1]

)

# Replace the ##COUNTDOWN## placeholder with the current countdown value

readme_content = readme_content.replace("##COUNTDOWN##", current_countdown)

# Debug print to verify the final content

print("Updated README content:")

print(readme_content)

# Write the updated content to README.md

with open("README.md", "w") as readme_file:

readme_file.write(readme_content)

print("README successfully updated.")