1#!/usr/bin/env python3
 2# generate an rss item
 3
 4import html
 5from markdown2 import markdown
 6import sys
 7import os
 8from collections import namedtuple
 9import re
10import arrow
11import operator
12import warnings
13
14warnings.simplefilter("ignore", arrow.factory.ArrowParseWarning)
15items_raw = []
16from lxml import etree as ET
17
18
19def convert_date(d):
20    return arrow.get(d, "YYYY-MM-DD").format("ddd, DD MMM YYYY HH:mm:ss Z")
21
22
23PREFIX_URL = "https://icyphox.sh/blog/"
24link_extractor = re.compile("\/([^\/]*)\.md$")
25
26def generate_node(rendered, path):
27
28    item = ET.Element("item")
29    title = ET.SubElement(item, "title")
30    title.text = rendered.metadata["title"]
31    description = ET.SubElement(item, "description")
32    description.text = ET.CDATA(str(rendered))
33    link = ET.SubElement(item, "link")
34    link.text = PREFIX_URL + link_extractor.search(path).group(1)
35    pubData = ET.SubElement(item, "pubDate")
36    pubData.text = convert_date(rendered.metadata["date"])
37    guid = ET.SubElement(item, "guid")
38    guid.text = PREFIX_URL + link_extractor.search(path).group(1)
39
40    return item
41
42
43def parse_article(path):
44    with open(path) as f:
45        rendered = markdown(
46            f.read(),
47            extras=[
48                "metadata",
49                "fenced-code-blocks",
50                "header-ids",
51                "footnotes",
52                "smarty-pants",
53            ],
54        )
55        return (arrow.get(rendered.metadata["date"]), rendered, path)
56
57
58tree = ET.parse(os.path.join("templates", "feed.xml"))
59articles = []
60
61for f in os.listdir("pages/blog/"):
62    if f not in ["_index.md", "feed.xml"]:
63        articles.append(parse_article(os.path.join("pages/blog", f)))
64
65articles.sort(key=operator.itemgetter(0), reverse=True)
66chan = tree.find("channel")
67
68for article in articles:
69    chan.append(generate_node(article[1], article[2]))
70
71out = ET.tostring(tree, encoding="unicode")
72with open("pages/blog/feed.xml", "w") as f:
73    f.write(out)