Shorten argument parsing.

[sigrok-meter.git] / sigrok-meter

diff --git a/sigrok-meter b/sigrok-meter
index 08441ac07c8cdae70388865cfd43ed82c2c44736..546c8b28c8700f720efeca873a31c01f4511b3bb 100755 (executable)
--- a/sigrok-meter
+++ b/sigrok-meter
@@ -1,8 +1,10 @@
-#!/usr/bin/python3
+#!/usr/bin/env python
+
 ##
 ## This file is part of the sigrok-meter project.
 ##
 ## Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
+## Copyright (C) 2014 Jens Steinhauser <jens.steinhauser@gmail.com>
 ##
 ## This program is free software; you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
@@ -19,25 +21,64 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 ##
 
-from gi.repository import Gtk
+import argparse
+import sigrok.core as sr
+import sys
+import textwrap
+
+default_drivers = ['demo:analog_channels=4']
+default_loglevel = 2
+
+def parse_cli():
+    parser = argparse.ArgumentParser(
+        description='Simple sigrok GUI for multimeters and dataloggers.',
+        epilog=textwrap.dedent('''\
+            The DRIVER string is the same as for sigrok-cli(1).
+
+            examples:
+
+              %(prog)s --driver tecpel-dmm-8061-ser:conn=/dev/ttyUSB0
 
-class SigrokMeter:
-    def __init__(self):
-        self.builder = Gtk.Builder()
-        self.builder.add_from_file("sigrok-meter.glade")
-        self.builder.connect_signals(self)
-        self.win = self.builder.get_object("mainwindow")
-        self.win.show_all()
+              %(prog)s --driver uni-t-ut61e:conn=1a86.e008
+        '''),
+        formatter_class=argparse.RawDescriptionHelpFormatter)
 
-    def on_quit(self, *args):
-        Gtk.main_quit(*args)
+    parser.add_argument('-d', '--driver',
+        action='append',
+        help='The driver to use')
+    parser.add_argument('-l', '--loglevel',
+        type=int,
+        default=default_loglevel,
+        help='Set loglevel (5 is most verbose)')
+    parser.add_argument('--pyside',
+        action='store_true',
+        default=False,
+        help='Force use of PySide (default is to use PyQt4)')
+    args = parser.parse_args()
 
-    def on_about(self, action):
-        about = self.builder.get_object("aboutdialog")
-        about.run()
-        about.hide()
+    if not args.driver:
+        args.driver = default_drivers
+
+    return args
 
 if __name__ == '__main__':
-       SigrokMeter()
-       Gtk.main()
+    args = parse_cli()
+
+    import qtcompat
+    qtcompat.load_modules(args.pyside)
+    QtCore = qtcompat.QtCore
+    QtGui = qtcompat.QtGui
+    import mainwindow
+
+    context = sr.Context_create()
+    try:
+        loglevel = sr.LogLevel.get(args.loglevel)
+        context.log_level = loglevel
+    except:
+        sys.exit('error: invalid log level')
+
+    app = QtGui.QApplication([])
+    s = mainwindow.MainWindow(context, args.driver)
+    s.show()
 
+    sys.exit(app.exec_())