Nathan Woodburn
8d13297cb0
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102 lines
3.3 KiB
Python
102 lines
3.3 KiB
Python
import os
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from flask import render_template
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from datetime import datetime
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import markdown
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from markdown.extensions.codehilite import CodeHiliteExtension
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from markdown.extensions.fenced_code import FencedCodeExtension
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from bs4 import BeautifulSoup
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import re
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def list_blog_page_files():
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blog_pages = os.listdir("data/blog")
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# Remove .md extension
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blog_pages = [page.removesuffix(".md") for page in blog_pages if page.endswith(".md")]
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return blog_pages
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def render_blog_page(date,handshake_scripts=None):
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# Convert md to html
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if not os.path.exists(f"data/blog/{date}.md"):
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return render_template("404.html"), 404
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with open(f"data/blog/{date}.md", "r") as f:
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content = f.read()
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# Get the title from the file name
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title = date.removesuffix(".md").replace("_", " ")
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# Convert the md to html
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content = markdown.markdown(content, extensions=['sane_lists', 'codehilite', 'fenced_code'])
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# Add target="_blank" to all links
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content = content.replace('<a href="', '<a target="_blank" href="')
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content = content.replace("<h4", "<h4 style='margin-bottom:0px;'")
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content = fix_numbered_lists(content)
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return render_template(
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"blog/template.html",
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title=title,
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content=content,
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handshake_scripts=handshake_scripts,
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)
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def fix_numbered_lists(html):
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soup = BeautifulSoup(html, 'html.parser')
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# Find the <p> tag containing numbered steps
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paragraphs = soup.find_all('p')
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for p in paragraphs:
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content = p.decode_contents()
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# Check for likely numbered step structure
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if re.search(r'1\.\s', content):
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# Split into pre-list and numbered steps
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# Match: <br>, optional whitespace, then a number and dot
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parts = re.split(r'(?:<br\s*/?>)?\s*(\d+)\.\s', content)
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# Result: [pre-text, '1', step1, '2', step2, ..., '10', step10]
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pre_text = parts[0].strip()
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steps = parts[1:]
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# Assemble the ordered list
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ol_items = []
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for i in range(0, len(steps), 2):
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if i+1 < len(steps):
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step_html = steps[i+1].strip()
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ol_items.append(f"<li style='list-style: auto;'>{step_html}</li>")
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# Build the final list HTML
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ol_html = "<ol>\n" + "\n".join(ol_items) + "\n</ol>"
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# Rebuild paragraph with optional pre-text
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new_html = f"{pre_text}<br />\n{ol_html}" if pre_text else ol_html
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# Replace old <p> with parsed version
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new_fragment = BeautifulSoup(new_html, 'html.parser')
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p.replace_with(new_fragment)
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break # Only process the first matching <p>
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return str(soup)
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def render_blog_home(handshake_scripts=None):
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# Get a list of pages
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blog_pages = list_blog_page_files()
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# Create a html list of pages
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blog_pages = [
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f"""<li class="list-group-item">
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<p style="margin-bottom: 0px;"><a href='/blog/{page}'>{page.replace("_"," ")}</a></p>
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</li>"""
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for page in blog_pages
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]
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# Join the list
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blog_pages = "\n".join(blog_pages)
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# Render the template
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return render_template(
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"blog/blog.html",
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blogs=blog_pages,
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handshake_scripts=handshake_scripts,
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) |