+import argparse
+import re
+import sigrok.core as sr
+import sys
+import textwrap
+
+default_drivers = [('demo', {'analog_channels': 4})]
+default_loglevel = sr.LogLevel.WARN
+
+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
+
+ %(prog)s --driver uni-t-ut61e:conn=1a86.e008
+ '''),
+ formatter_class=argparse.RawDescriptionHelpFormatter)
+
+ parser.add_argument('-d', '--driver',
+ action='append',
+ help='The driver to use')
+ parser.add_argument('-l', '--loglevel',
+ type=int,
+ 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()
+
+ result = {
+ 'drivers': default_drivers,
+ 'loglevel': default_loglevel,
+ 'pyside': args.pyside
+ }
+
+ if args.driver:
+ result['drivers'] = []
+ for d in args.driver:
+ m = re.match('(?P<name>[^:]+)(?P<opts>(:[^:=]+=[^:=]+)*)', d)
+ if not m:
+ sys.exit('error parsing option "{}"'.format(d))
+
+ opts = m.group('opts').split(':')[1:]
+ opts = [tuple(kv.split('=')) for kv in opts]
+ opts = dict(opts)
+
+ result['drivers'].append((m.group('name'), opts))
+
+ if args.loglevel != None:
+ try:
+ result['loglevel'] = sr.LogLevel.get(args.loglevel)
+ except:
+ sys.exit('error: invalid log level')
+
+ return result
+
+if __name__ == '__main__':
+ args = parse_cli()
+
+ import qtcompat
+ qtcompat.load_modules(args['pyside'])
+ QtCore = qtcompat.QtCore
+ QtGui = qtcompat.QtGui
+ import mainwindow
+
+ context = sr.Context_create()
+ context.log_level = args['loglevel']