first working version

.gitignore

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+.idea

Makefile

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+install-config:
+	mkdir -p ~/.local/share/kservices5/
+	rm ~/.local/share/kservices5/plasma-runner-astroacro.desktop
+	kquitapp5 krunner; kstart5 krunner
+	cp plasma-runner-astroacro.desktop ~/.local/share/kservices5/
+	kquitapp5 krunner; kstart5 krunner
+
+create-autostart:
+	# Configure the path in the .desktop file first
+	mkdir -p ~/.config/autostart/
+	cp astroacro_autostart.desktop ~/.config/autostart/

README.md

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+### Simple Krunner dbus template
+
+This plugin provides a simple template for a Krunner plugin using dbus.
+ 
+To run this plugin you have to execute the `make install-config` command.
+This installs the .desktop file so that your runner gets recognized.  
+Secondly you have to run your script. Because Krunner queries the dbus
+interface and does not load a plugin you can use for example a debugger.
+ 
+More information can be found here:  
+https://cgit.kde.org/krunner.git/plain/src/data/org.kde.krunner1.xml  
+https://techbase.kde.org/Development/Tutorials/D-Bus/Introduction
+
+On Debian/Ubuntu you need:   
+`sudo apt install python3 python3-hglib`

astroacro.desktop

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+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Runner
+Comment=Autostart entry for a Krunner plugin
+Keywords=Runner;Krunner
+Categories=Utilities
+Exec=python3 "%{Folder_LOCATION}/astroacro.py"
+Icon=python
+StartupNotify=true

astroacro.py

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+#!/bin/env python3
+import webbrowser
+
+import dbus.service
+import requests
+from dbus.mainloop.glib import DBusGMainLoop
+from gi.repository import GLib
+
+DBusGMainLoop(set_as_default=True)
+
+objpath = "/astroacro"
+
+iface = "org.kde.krunner1"
+
+s = requests.Session()
+
+
+class Runner(dbus.service.Object):
+    def __init__(self):
+        dbus.service.Object.__init__(self, dbus.service.BusName("net.astroacro", dbus.SessionBus()), objpath)
+
+    @dbus.service.method(iface, in_signature='s', out_signature='a(sssida{sv})')
+    def Match(self, query: str):
+        """This method is used to get the matches and it returns a list of lists/tupels"""
+        if " " in query:
+            return []
+
+        runners = []
+        r = s.get("http://127.0.0.1:8000/api/acronym/", params={"search": query})
+        icon = "internet-web-browser"
+        type = 100  # (Plasma::QueryType)
+        relevance = 1.0  # 0-1
+
+        for result in r.json():
+            data = result["slug"]
+            display_text = result["name"] + ": " + result["full_name"]
+            properties = {
+                "subtext": ", ".join(result["tags"]),
+                # "category": "",
+                # "urls": ""
+            }
+            runners.append((data, display_text, icon, type, relevance, properties))
+        return runners
+
+    # @dbus.service.method(iface, out_signature='a(sss)')
+    # def Actions(self):
+    #     # id, text, icon
+    #     return [("id", "Tooltip", "planetkde")]
+
+    @dbus.service.method(iface, in_signature='ss')
+    def Run(self, data: str, action_id: str):
+        print(data, action_id)
+        webbrowser.open("http://127.0.0.1:8000/acro/" + data)
+
+
+runner = Runner()
+loop = GLib.MainLoop()
+loop.run()

plasma-runner-astroacro.desktop

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+[Desktop Entry]
+Name=astroacro
+Comment=Look up astronomical Acronyms
+X-KDE-ServiceTypes=Plasma/Runner
+Type=Service
+Icon=accessories-dictionary
+X-KDE-PluginInfo-Author=Lukas Winkler
+X-KDE-PluginInfo-Email=kde@lw1.at
+X-KDE-PluginInfo-Name=astroacro
+X-KDE-PluginInfo-Version=1.0
+X-KDE-PluginInfo-License=LGPL
+X-KDE-PluginInfo-EnabledByDefault=true
+X-Plasma-API=DBus
+X-Plasma-DBusRunner-Service=net.astroacro
+X-Plasma-DBusRunner-Path=/astroacro