KaptureControlGui/KCG/kcg.py

#!/usr/bin/python
"""
This is the main program for KCG
It imports all modules and starts the Gui
"""
from PyQt4 import QtGui, QtCore
import sys
import os
import argparse as ap
import logging
from logging import handlers

# -------[ Register Logger here to enable logging before anything of this app is performed ]---------------
logging.getLogger().setLevel(0)
fileLogHandler = handlers.RotatingFileHandler(os.path.expanduser("~")+"/.kcg/kcg.log.full", maxBytes=10**7, backupCount=5)
fileLogHandler.setFormatter(logging.Formatter('%(asctime)s:%(levelname)s: %(message)s'))
fileLogHandler.setLevel(0)
logging.getLogger().addHandler(fileLogHandler)
logging.info("==========[Start Application]===========")

import base.kcgwidget as kcgw
import config
from config import Configuration

logging.addLevelName(logging.INFO-1, 'VINFO')

translator = QtCore.QTranslator()
kcgw.translator = translator
# kcgw.tr = translator.translate
kcgw.tr = QtCore.QCoreApplication.translate

config.install_path = os.path.dirname(config.__file__) + "/"


try:  # Try to use Erax for exception logging
    sys.path.append(os.path.expanduser('~/Documents/PythonProjects/'))
    from erax import Erax

    exception_log_handler = Erax('https://psraspi.no-ip.biz/p/erax/insert/78e55a9524a191f7628f82a20bcaa167:kcg',
                                 no_epl_errors=True, cert='/tmp/raspi.pem')
    exception_log_handler.install()
except ImportError:
    pass


def print_version(verbose=False):
    """
    Print the version of the current used KCG instance
    :param verbose: print verbose?
    """
    # print "KCG - KAPTURE Control Gui"
    # print "=" * 30
    print "KCG",
    with open(config.install_path+'VERSION', 'r') as v:
        print v.read().strip()
    if verbose:
        print "=" * 30
        print "Using Python:"
        print sys.version
        print "=" * 30
        print "From: " + config.install_path


def inject_setting(section, setting, value, args):
    """
    Inject a setting from the command line
    :param section: the section to inject to
    :param setting: the setting to inject
    :param value: the value of this setting
    :param args: the argparse parsed instance
    """
    args.config += section + '->' + setting + '=' + str(value) + ';'


def log_type(level):
    """
    Method to validate and cast the log level
    :param level: the level to validate and cast
    :return: a valid logging level
    """
    try:
        return int(level)
    except ValueError:
        try:
            return logging._checkLevel(level)
        except ValueError:
            raise ap.ArgumentTypeError("No valid log level.")


def run():
    """
    Main Function, gets called when GUI is started
    :return:
    """
    app = QtGui.QApplication(sys.argv)
    app.installTranslator(translator)
    app.processEvents()

    # pixmap = QtGui.QPixmap(config.install_path+"icons/KCG_Logo.png").scaled(400, 400)
    # splash_screen = QtGui.QSplashScreen(pixmap)
    # splash_screen.setMask(pixmap.mask())
    # splash_screen.show()
    # splash_screen.update()
    # splash_screen.showMessage("Loading KCG", QtCore.Qt.AlignCenter | QtCore.Qt.AlignBottom, QtCore.Qt.red)
    # splash_screen.update()
    # app.processEvents()

    parser = ap.ArgumentParser("KCG - KAPTURE Control Gui")
    parser.add_argument('--config', type=str, default='', help='Override Configuration file settings.'
                        'Format: "Section->setting=content;Section->setting2=content;Section2->setting3=content" etc.')
    parser.add_argument('--version', action='store_true', help="Print Version and exit")
    parser.add_argument('--vversion', action='store_true', help="Print Version verbose and exit")
    parser.add_argument('--fpga-detection', action='store_true', help="If Present, use 'dev' detection mode (detect"
                                                                      "boards by using /dev/fpga# files.)")
    parser.add_argument('--log', type=log_type, default=config.logging.INFO, help="Set the log level")
    parser.add_argument('--testing', action='store_true', default=False,
                        help="start KCG in testing version. DO NOT USE THIS IN PRODUCTION.")
    args = parser.parse_args()
    if args.version or args.vversion:
        print_version(args.vversion)
        sys.exit()

    kcgw.testing = args.testing

    if args.fpga_detection:
        inject_setting('Misc', 'board_detection_method', '"dev"', args)

    # logger = logging.getLogger()
    # logger.setLevel(args.log)
    # logging.logger = logger
    def vinfo(content):
        '''log with level VINFO'''
        logging.log(logging.getLevelName('VINFO'), content)
    logging.vinfo = vinfo

    conf = Configuration(args.config, log_level=args.log)
    conf.setup()
    while conf.error:
        conf.doSetup()
    if args.testing:
        config.default_subdirectory_name = 't'
        config.board_detection_method = 'dummy'

    import base.kcg as kcg

    gui = kcg.Gui()
    # splash_screen.finish(gui)
    gui.show()
    sys.exit(app.exec_())