From 13cfc84d8bd3e1208a0f7180bd6e23780ae6b34a Mon Sep 17 00:00:00 2001
From: Colin McMillen <colin@semicolin.games>
Date: Thu, 1 Jul 2021 01:00:33 -0400
Subject: [PATCH] better atom summaries / links; used "posted" instead of
 "published"

---
 build.py                        | 38 +++++++++++++++++++++++----------
 content/blog/20190403-update.md |  2 +-
 content/blog/20200209-sneak.md  |  2 +-
 content/sigbovik/index.md       |  2 +-
 4 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/build.py b/build.py
index f16a56b..4129dd6 100644
--- a/build.py
+++ b/build.py
@@ -8,7 +8,14 @@
 # TODO: in template.html, add apple touch icon, maybe other favicon sizes.
 # TODO: local mirrors of all papers in publications.html
 
+# Requirements:
+# sudo apt install python3-markdown
+# sudo apt install python3-smartypants
+# sudo apt install python3-bs4
+
+
 import argparse
+from bs4 import BeautifulSoup
 import glob
 import html
 from io import StringIO
@@ -48,12 +55,19 @@ def copy_static_files():
 
 
 def find_update_date(text):
-  match = re.search(r'^Published:? (\d{4}-\d{2}-\d{2})', text, re.MULTILINE)
+  match = re.search(r'^\*?Posted (\d{4}-\d{2}-\d{2})', text, re.MULTILINE)
   if not match:
     return None
   return match.group(1)
 
 
+def find_summary(html_content):
+  text = BeautifulSoup(html_content, features='lxml').get_text()
+  lines = text.split('\n')
+  result = ' '.join(lines[2:4])
+  return html.escape(result, quote=False)
+
+
 def process_markdown_files():
   template = open('template.html').read()
   for (dirpath, _, filenames) in os.walk(input_directory):
@@ -77,7 +91,7 @@ def process_markdown_files():
       else:
         title = text
 
-      blog_entry['title'] = html.escape(title)
+      blog_entry['title'] = html.escape(title, quote=False)
 
       title += ' | Colin McMillen'
       if markdown_filename == os.path.join(input_directory, 'index.md'):
@@ -92,17 +106,18 @@ def process_markdown_files():
       if page_url.endswith('index.html'):  # strip off index.html
         page_url = page_url[:-len('index.html')]
 
+      html_content = markdown.markdown(
+          text, extensions=md_extensions, output_format='html5')
+      output = template.format(
+          title=title, content=html_content, page_url=page_url)
+
       update_date = find_update_date(text)
       if update_date:
         blog_entry['url'] = 'https://www.mcmillen.dev/' + page_url
         blog_entry['date'] = update_date
+        blog_entry['summary'] = find_summary(html_content)
         blog_entries.append(blog_entry)
 
-      html_content = markdown.markdown(
-          text, extensions=md_extensions, output_format='html5')
-      output = template.format(
-          title=title, content=html_content, page_url=page_url)
-
       os.makedirs(out_dirpath, exist_ok=True)
       print_file(markdown_filename, out_fullpath)
       out_file = open(out_fullpath, 'w')
@@ -143,8 +158,9 @@ def make_atom_feed():
     <title>{title}</title>
     <id>{url}</id>
     <link rel="alternate" href="{url}"/>
+    <content type="text/html" src="{url}"/>
     <updated>{updated}</updated>
-    <summary>{summary}</summary>
+    <summary>{summary} (...)</summary>
   </entry>
 '''
 
@@ -153,14 +169,14 @@ def make_atom_feed():
   entries_io = StringIO()
   last_update = None
   for entry in blog_entries:
-    # We lie and pretend that all entries were written at noon UTC.
-    update_date = entry['date'] + 'T12:00:00+00:00'
+    # We lie and pretend that all entries were written at noon EST.
+    update_date = entry['date'] + 'T12:00:00-04:00'
     last_update = update_date
     entries_io.write(entry_template.format(
         url=entry['url'],
         title=entry['title'],
         updated=update_date,
-        summary='TODO: fill this out.'))
+        summary=entry['summary']))
 
   entries_text = entries_io.getvalue()
 
diff --git a/content/blog/20190403-update.md b/content/blog/20190403-update.md
index f47c601..cc6f53d 100644
--- a/content/blog/20190403-update.md
+++ b/content/blog/20190403-update.md
@@ -1,6 +1,6 @@
 # My first paper in 10 years?!
 
-Published: 2019-04-03.
+*Posted 2019-04-03.*
 
 It's been nearly two months since my last day at Google, so I guess I should finally make use of this newsletter :)
 
diff --git a/content/blog/20200209-sneak.md b/content/blog/20200209-sneak.md
index b089e33..d589a53 100644
--- a/content/blog/20200209-sneak.md
+++ b/content/blog/20200209-sneak.md
@@ -1,6 +1,6 @@
 # A new year & a sneaky new project
 
-Published: 2020-02-09
+*Posted 2020-02-09.*
 
 I can't believe it's here so quickly, but: today marks a year since my last day at Google. That seemed like a good occasion to dust off this newsletter & let you know what I've been up to: making a videogame!
 
diff --git a/content/sigbovik/index.md b/content/sigbovik/index.md
index f24875d..6edacca 100644
--- a/content/sigbovik/index.md
+++ b/content/sigbovik/index.md
@@ -1,6 +1,6 @@
 # 93% of Paint Splatters are Valid Perl Programs
 
-Published 2019-04-01.
+*Posted 2019-04-01.*
 
 TLDR: [read the paper](2019.pdf) and [view the gallery of pretty Perl programs](splatters.html).