From 6c8b9524ca5cdd317838cd1d03c4df0b61b0cea5 Mon Sep 17 00:00:00 2001
From: Nils <>
Date: Thu, 18 Feb 2021 19:32:38 +0100
Subject: [PATCH] generate atom feed from changelogs

---
 atomfeedgen.py | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++
 generate.bash  | 12 +++++++-
 2 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100755 atomfeedgen.py

diff --git a/atomfeedgen.py b/atomfeedgen.py
new file mode 100755
index 0000000..30f171f
--- /dev/null
+++ b/atomfeedgen.py
@@ -0,0 +1,79 @@
+#! /usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+#https://github.com/lkiesow/python-feedgen
+#Package in Arch [Communiy] python-feedgen . Not python-feedgenerator
+
+from zoneinfo import ZoneInfo
+from datetime import datetime, timezone, tzinfo
+import sys
+from feedgen.feed import FeedGenerator
+
+
+fg = FeedGenerator()
+
+descs = {
+    "patroneo" : """Patroneo is an easy to use, pattern based midi sequencer.""",
+    "laborejo" : """Laborejo is a MIDI sequencer based on classical music notation.""",
+    "fluajho" : """Fluajho is a simple, standalone sf2 soundfont host/player.""",
+    "agordejo" : """Agordejo is a music and audio production session manager based on NSM.""",
+    }
+
+if (not len(sys.argv) == 4) or not sys.argv[1] in descs or not sys.argv[2].endswith("/CHANGELOG") or not sys.argv[3].endswith("feed.atom"):
+    raise ValueError("Wrong number or wrong arguments:  ./atomfeedgen.py patroneo /home/nils/lss/patroneo/CHANGELOG" "out/patroneo/feed.atom" )
+
+project = sys.argv[1]
+CHANGELOGFILE = sys.argv[2]
+assert project in descs
+description = descs[project]
+
+print (f"Atom Feed Generation: {project}")
+
+fg.id(f"https://laborejo.org/{project}/")
+fg.title(f"{project.title()} Releases")
+fg.author( {'name':'Laborejo Software Suite','email':'info@laborejo.org'} )
+fg.link( href=f"https://laborejo.org/{project}/", rel='alternate' )
+fg.logo(f"https://laborejo.org/images/{project}.png")
+fg.subtitle(description)
+fg.link( href=f"https://laborejo.org/{project}/feed.atom", rel="self" )
+fg.language('en')
+
+
+
+with open(CHANGELOGFILE) as fcl:
+    changelogData = fcl.read()
+
+
+for cl in changelogData.split("\n\n"):
+
+    firstLine, changelog = cl.split("\n", maxsplit=1)
+    print(firstLine)
+    date, semVersion = firstLine.split("Version")
+    semVersion  = semVersion.strip()
+    isodate = datetime.fromisoformat(date.strip())
+    isodate = isodate.replace(tzinfo=ZoneInfo("UTC"))
+
+
+    fe = fg.add_entry()
+    fe.id(f"https://laborejo.org/downloads/{project}-{semVersion}")
+    fe.title(f"{project.title()} Version {semVersion}")
+    #fe.link(href=f"https://laborejo.org/downloads/{project}-{semVersion}.tar.gz")
+    fe.link(href=f"https://laborejo.org/{project}")
+    fe.pubDate(isodate)
+    fe.rights("GPL3+")
+
+    cl = "</li>".join("<li>" + line.lstrip() for line in changelog.split("\n"))
+
+    desc = f"""
+    Download: <a href="https://laborejo.org/downloads/{project}-{semVersion}.tar.gz">https://laborejo.org/downloads/{project}-{semVersion}.tar.gz</a>
+    <p>
+    Changelog:
+    <ul>
+    {cl}
+    </ul>
+    </p>
+    """
+    fe.content(desc, type="html")
+
+atomfeed = fg.atom_str(pretty=True) # Get the ATOM feed as string
+fg.atom_file(sys.argv[3]) # Write the ATOM feed to a file
diff --git a/generate.bash b/generate.bash
index 29b114c..e7cdcc5 100755
--- a/generate.bash
+++ b/generate.bash
@@ -15,7 +15,7 @@ cd temp
 #We loop over all projects several times, each stage of the generation.
 #Instead of doing one project fully at a time, creating one giant nested loop.
 #Administration first, the processing!
-PROJECTS=(laborejo patroneo agordejo fluajho vico) #The order here is the order on the page. Each of these gets its own entry.
+PROJECTS=(laborejo patroneo agordejo fluajho) #The order here is the order on the page. Each of these gets its own entry.
 PROJECTS_AS_STRING=$( IFS=$' '; echo "${PROJECTS[*]}" )
 
 
@@ -35,6 +35,7 @@ do
 done
 cd "$ROOTPATH" #reset for next step
 
+
 #Documentation, just a copy
 for PROJECT in ${PROJECTS[*]}
 do
@@ -43,6 +44,8 @@ do
     cp -r "temp/$PROJECT/documentation/screenshot.png" "out/screenshots/$PROJECT.png" #there is now png and apng
 done
 
+
+
 #Generate Menu. n^2 loop. For each project all projects
 for PROJECT in ${PROJECTS[*]}
 do
@@ -80,6 +83,13 @@ do
     cat "modules/10head" "temp/$PROJECT/module_menu" "modules/20aftermenu" "temp/$PROJECT/module_page" "modules/90foot" > "out/$PROJECT/index.html"
 done
 
+#Update Atom Release Feeds. We already need the project dirs in /out for this step.
+for PROJECT in ${PROJECTS[*]}
+do
+    ./atomfeedgen.py "$PROJECT" "temp/$PROJECT/CHANGELOG" "out/$PROJECT/feed.atom"
+done
+cd "$ROOTPATH" #reset for next step
+
 #Create Home/Welcome page
 #A bit of redundancy first. Generate a menu.
 echo "" > "temp/index_menu" #empty file