Preparation for native gui development

2024-04-09 12:39:16 +02:00
parent 92d602c984
commit 502605067f
4 changed files with 111 additions and 1 deletions
@@ -0,0 +1,77 @@
+#!/usr/bin/python3
+
+"""
+
+Configuration file located at ~/.config/ymsgui.conf:
+  [DB]
+  host = localhost
+  db = yms
+  user = yms
+  pass = topsecret
+
+"""
+
+import os
+import sys
+import locale
+import configparser
+
+import gi
+gi.require_version("Gtk", "3.0")
+from gi.repository import GLib, Gtk
+
+from yms import database
+
+cfg = {
+    'cfgfile': '~/.config/ymsgui.conf',
+    'host': 'localhost',
+    'db': 'yms',
+    'user': 'yms'
+}
+
+class Frontend(Gtk.Window):
+
+    def __init__(self):
+        super().__init__()
+        self.connect("destroy", self.on_destroy)
+
+    def run(self):
+        self.show_all()
+        Gtk.main()
+
+    def on_destroy(self, widget, data=None):
+        Gtk.main_quit()
+
+def messagebox(messagetext, symbol=None, title=None, parent=None):
+    if not symbol:
+        symbol = Gtk.MessageType.INFO
+    if parent:
+        symbol |= Gtk.DIALOG_DESTROY_WITH_PARENT
+    md = Gtk.MessageDialog(parent=parent, flags=0, message_type=symbol, buttons=Gtk.ButtonsType.CLOSE)
+    md.set_markup(messagetext)
+    if title:
+        md.set_title(title)
+    if not parent:
+        md.set_position(Gtk.WindowPosition.CENTER)
+    md.run()
+    md.destroy()
+
+if __name__ == "__main__":
+    locale.setlocale(locale.LC_ALL, '')
+    config = configparser.ConfigParser()
+    if not config.read(os.path.expanduser(cfg['cfgfile'])):
+        messagebox("Configuration file not found", title="YMS")
+    else:
+        cfg['host'] = config.get('DB', 'host')
+        cfg['db'] = config.get('DB', 'db')
+        cfg['user'] = config.get('DB', 'user')
+        cfg['pass'] = config.get('DB', 'pass')
+        db = database.Database(cfg['host'], cfg['db'])
+        if db.connect(cfg['user'], cfg['pass']):
+            app = Frontend()
+            app.run()
+            db.disconnect()
+        else:
+            messagebox("Database connection cannot be established", title="YMS")
+
+# Another fine product of the sirius cybernetics corporation