Work on native gui

INSTALL

@@ -11,6 +11,7 @@ YMS Installation
   - mupdf-tools for extended pdf file management
 
 1.2 Native GUI
+- python3-mysqldb
 - Python GTK3
   - python3-gi
   - gir1.2-gtk-3.0
@@ -82,7 +83,16 @@ Configfile should be readable by webserver but not writeable.
   chmod 640 config.inc
   chgrp www-data config.inc
 
-8. Start using YMS
+8. Setup local GUI
+
+Create a local database user with same name as your computer user and allow
+database acces with current unix credentials:
+   mysql> CREATE USER 'ymsgui'@'localhost' IDENTIFIED BY 'geheim';
+   mysql> ALTER USER ymsgui@localhost IDENTIFIED VIA unix_socket;
+
+Start ymdgui.py, default configuration file is automatically created
+
+9. Start using YMS
 
 Start your browser and login to YMS with the default username/password:
 captain/captain

yms/database.py

@@ -23,6 +23,21 @@ class Database():
         self.dcur = self.conn.cursor(MySQLdb.cursors.DictCursor)
         return True
 
+    def connect_local(self):
+        # connection via local unix socket
+        if self.conn:
+            return True
+        MySQLdb.paramstyle = 'pyformat'
+        try:
+            self.conn = MySQLdb.connect(host='localhost', db=self.schema,
+                unix_socket='/run/mysqld/mysqld.sock', charset='utf8')
+        except MySQLdb.Error as e:
+            print(e)
+            return False
+        self.cur = self.conn.cursor()
+        self.dcur = self.conn.cursor(MySQLdb.cursors.DictCursor)
+        return True
+        
     def disconnect(self):
         self.cur.close()
         self.dcur.close()

ymsgui.py

@@ -88,13 +88,24 @@ def messagebox(messagetext, symbol=None, title=None, parent=None):
     md.run()
     md.destroy()
 
+def create_config(cfgfile):
+    # create inital config file
+    with open(cfgfile, 'w') as fh:
+        fh.write('[DB]\n')
+        fh.write('host = localhost\n')
+        fh.write('db = yms\n')
+        fh.write('user = yms\n')
+        fh.write('pass = geheim\n')
+
 if __name__ == "__main__":
     locale.setlocale(locale.LC_ALL, '')
     gettext.bindtextdomain('ymsgui', 'locale')
     gettext.textdomain('ymsgui')
     _ = gettext.gettext
     config = configparser.ConfigParser()
-    if not config.read(os.path.expanduser(cfg['cfgfile'])):
+    cfgfile = os.path.expanduser(cfg['cfgfile'])
+    if not config.read(cfgfile):
+        create_config(cfgfile)
         messagebox(_("Configuration file not found"), title="YMS")
     else:
         cfg['host'] = config.get('DB', 'host')