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put updates to existing pages in rss feed

Thomas Buck 2 years ago
parent
commit
40ff4481a6
1 changed files with 41 additions and 5 deletions
  1. 41
    5
      macros.py

+ 41
- 5
macros.py View File

@@ -306,6 +306,10 @@ def printLatestRelease(user, repo):
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 # preconvert hooks
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 # -----------------------------------------------------------------------------
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+# -----------------------------------------------------------------------------
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+# multi language support
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+# -----------------------------------------------------------------------------
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+
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 def hook_preconvert_anotherlang():
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     MKD_PATT = r'\.(?:md|mkd|mdown|markdown)$'
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     _re_lang = re.compile(r'^[\s+]?lang[\s+]?[:=]((?:.|\n )*)', re.MULTILINE)
@@ -356,7 +360,9 @@ def hook_preconvert_anotherlang():
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     pages[:] = vpages
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-
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+# -----------------------------------------------------------------------------
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+# compatibility redirect for old website URLs
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+# -----------------------------------------------------------------------------
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 _COMPAT = """        case "%s":
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             $loc = "%s/%s";
@@ -399,7 +405,9 @@ def hook_preconvert_compat():
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     fp.write("?>")
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     fp.close()
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-
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+# -----------------------------------------------------------------------------
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+# sitemap generation
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+# -----------------------------------------------------------------------------
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 _SITEMAP = """<?xml version="1.0" encoding="UTF-8"?>
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 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
@@ -431,6 +439,10 @@ def hook_preconvert_sitemap():
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 # postconvert hooks
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 # -----------------------------------------------------------------------------
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+# -----------------------------------------------------------------------------
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+# rss feed generation
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+# -----------------------------------------------------------------------------
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+
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 _RSS = """<?xml version="1.0"?>
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 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
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 <channel>
@@ -443,6 +455,7 @@ _RSS = """<?xml version="1.0"?>
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 <lastBuildDate>%s</lastBuildDate>
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 <docs>http://blogs.law.harvard.edu/tech/rss</docs>
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 <generator>Poole</generator>
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+<ttl>720</ttl>
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 %s
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 </channel>
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 </rss>
@@ -454,28 +467,43 @@ _RSS_ITEM = """
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     <link>%s</link>
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     <description>%s</description>
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     <pubDate>%s</pubDate>
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+    <atom:updated>%s</atom:updated>
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     <guid>%s</guid>
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 </item>
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 """
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 def hook_postconvert_rss():
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     items = []
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+
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+    # all pages with "date" get put into feed
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     posts = [p for p in pages if "date" in p]
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-    posts.sort(key=lambda p: p.date, reverse=True)
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-    posts = posts[:10]
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+
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+    # sort by update if available, date else
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+    posts.sort(key=lambda p: p.get("update", p.date), reverse=True)
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+
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+    # only put 20 most recent items in feed
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+    posts = posts[:20]
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+
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     for p in posts:
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         title = p.title
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         if "post" in p:
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             title = p.post
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+
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         link = "%s/%s" % (BASE_URL, p.url)
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+
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         desc = p.html.replace("href=\"img", "%s%s%s" % ("href=\"", BASE_URL, "/img"))
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         desc = desc.replace("src=\"img", "%s%s%s" % ("src=\"", BASE_URL, "/img"))
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         desc = desc.replace("href=\"/img", "%s%s%s" % ("href=\"", BASE_URL, "/img"))
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         desc = desc.replace("src=\"/img", "%s%s%s" % ("src=\"", BASE_URL, "/img"))
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         desc = htmlspecialchars(desc)
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+
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         date = time.mktime(time.strptime("%s 12" % p.date, "%Y-%m-%d %H"))
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         date = email.utils.formatdate(date)
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-        items.append(_RSS_ITEM % (title, link, desc, date, link))
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+
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+        update = time.mktime(time.strptime("%s 12" % p.get("update", p.date), "%Y-%m-%d %H"))
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+        update = email.utils.formatdate(update)
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+
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+        items.append(_RSS_ITEM % (title, link, desc, date, update, link))
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     items = "".join(items)
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@@ -491,6 +519,10 @@ def hook_postconvert_rss():
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     fp.write(rss)
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     fp.close()
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+# -----------------------------------------------------------------------------
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+# compatibility redirect for old mobile pages
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+# -----------------------------------------------------------------------------
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+
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 _COMPAT_MOB = """        case "%s":
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             $loc = "%s/%s";
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             break;
@@ -535,6 +567,10 @@ def hook_postconvert_mobilecompat():
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     fp.write("?>")
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     fp.close()
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+# -----------------------------------------------------------------------------
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+# displaying filesize for download links
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+# -----------------------------------------------------------------------------
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+
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 def hook_postconvert_size():
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     file_ext = '|'.join(['pdf', 'zip', 'rar', 'ods', 'odt', 'odp', 'doc', 'xls', 'ppt', 'docx', 'xlsx', 'pptx', 'exe', 'brd', 'plist'])
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     def matched_link(matchobj):

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