94 lines
No EOL
3.9 KiB
Python
94 lines
No EOL
3.9 KiB
Python
import json
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import datetime
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import pages
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import os
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import hashlib
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import xml.etree.ElementTree as ET
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from xml.dom import minidom
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# Function for sorted() to sort the XML <item>s by pubDate
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def sort_func(x):
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if x.find("pubDate") is not None:
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x.find("pubDate").text
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return x.find("pubDate").text
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else:
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return ""
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# Take a JSON file and generate an RSS XML string
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# Schema:
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def history_to_rss(history):
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# Load the history JSON string into a dictionary
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history_dict = json.loads(history)
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# First, iterate over the posts in order of dates, recent to oldest
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# Then, each iteration, add the RSS item to the root
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# Finally, return the XML string
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root = ET.Element("rss")
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root.set("version", "2.0")
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channel = ET.SubElement(root, "channel")
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title = ET.SubElement(channel, "title")
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title.text = "TheFelidae's Blog Updates"
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link = ET.SubElement(channel, "link")
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link.text = "https://thefelidae.github.io"
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description = ET.SubElement(channel, "description")
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description.text = "This feed displays updates regarding TheFelidae's blog."
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for post in history_dict["post_history"]:
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for date, posts in post.items():
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for post in posts:
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for path, page in post.items():
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item = ET.SubElement(channel, "item")
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title = ET.SubElement(item, "title")
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link = ET.SubElement(item, "link")
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link.text = "https://thefelidae.github.io/blog/?post=" + path
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description = ET.SubElement(item, "description")
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print(page)
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if "op" in page:
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if page["op"] == "delete":
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title.text = "Deleted article: " + page["title"]
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elif page["op"] == "edit":
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title.text = "Edited article: " + page["title"]
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description.text = "Edited this article: It now sits at " + str(page["char_count"]) + " characters and " + str(page["word_count"]) + " words"
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description.text += "\n\n" + page["description"]
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elif page["op"] == "add":
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title.text = "New article: " + page["title"]
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description.text = page["description"]
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else:
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title.text = "Article: " + page["title"]
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description.text = "" + page["description"]
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guid = ET.SubElement(item, "guid")
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# Take current contents of XML and hash it
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# Then, set the guid to the hash
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guid.text = hashlib.sha256(ET.tostring(root, encoding="unicode").encode()).hexdigest()
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# It's not isPermaLink
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guid.set("isPermaLink", "false")
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pubDate = ET.SubElement(item, "pubDate")
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# Must be formatted as RFC 822 - Current format is 2025-01-01 00:00:00
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pubDate.text = datetime.datetime.strptime(date, "%Y-%m-%d %H:%M:%S").strftime("%a, %d %b %Y %H:%M:%S +0000")
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category = ET.SubElement(item, "category")
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# For each tag, add a category
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for tag in page["tags"]:
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category.text = tag
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# Ensure the XML <item>s are sorted by date, newest first
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# This is done by sorting the children of the channel element
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# based on the pubDate element
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channel[:] = sorted(channel, key=sort_func, reverse=True)
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# Return the pretty-printed XML string
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return minidom.parseString(ET.tostring(root)).toprettyxml()
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# Print the RSS XML string from assets/post_history.json
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post_history = open("assets/meta/post_history.json", "r").read()
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rss_xml = history_to_rss(post_history)
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print(rss_xml)
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# Write the RSS XML string to public/rss.xml
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rss_file = open("public/rss.xml", "w")
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rss_file.write(rss_xml) |