def main():
"""
Entry point for GNS3 GUI.
"""
# Sometimes (for example at first launch) the OSX app service launcher add
# an extra argument starting with -psn_. We filter it
if sys.platform.startswith("darwin"):
sys.argv = [a for a in sys.argv if not a.startswith("-psn_")]
parser = argparse.ArgumentParser()
parser.add_argument("project", help="load a GNS3 project (.gns3)", metavar="path", nargs="?")
parser.add_argument("--version", help="show the version", action="version", version=__version__)
parser.add_argument("--debug", help="print out debug messages", action="store_true", default=False)
parser.add_argument("--config", help="Configuration file")
options = parser.parse_args()
exception_file_path = "exceptions.log"
if options.config:
LocalConfig.instance(config_file=options.config)
else:
LocalConfig.instance()
if options.project:
options.project = os.path.abspath(options.project)
if hasattr(sys, "frozen"):
# We add to the path where the OS search executable our binary location starting by GNS3
# packaged binary
frozen_dir = os.path.dirname(os.path.abspath(sys.executable))
if sys.platform.startswith("darwin"):
frozen_dirs = [
frozen_dir,
os.path.normpath(os.path.join(frozen_dir, '..', 'Resources'))
]
elif sys.platform.startswith("win"):
frozen_dirs = [
frozen_dir,
os.path.normpath(os.path.join(frozen_dir, 'dynamips')),
os.path.normpath(os.path.join(frozen_dir, 'vpcs'))
]
os.environ["PATH"] = os.pathsep.join(frozen_dirs) + os.pathsep + os.environ.get("PATH", "")
if options.project:
os.chdir(frozen_dir)
def exceptionHook(exception, value, tb):
if exception == KeyboardInterrupt:
sys.exit(0)
lines = traceback.format_exception(exception, value, tb)
print("****** Exception detected, traceback information saved in {} ******".format(exception_file_path))
print("\nPLEASE REPORT ON https://www.gns3.com\n")
print("".join(lines))
try:
curdate = time.strftime("%d %b %Y %H:%M:%S")
logfile = open(exception_file_path, "a", encoding="utf-8")
logfile.write("=== GNS3 {} traceback on {} ===\n".format(__version__, curdate))
logfile.write("".join(lines))
logfile.close()
except OSError as e:
print("Could not save traceback to {}: {}".format(os.path.normpath(exception_file_path), e))
if not sys.stdout.isatty():
# if stdout is not a tty (redirected to the console view),
# then print the exception on stderr too.
print("".join(lines), file=sys.stderr)
if exception is MemoryError:
print("YOUR SYSTEM IS OUT OF MEMORY!")
else:
CrashReport.instance().captureException(exception, value, tb)
# catch exceptions to write them in a file
sys.excepthook = exceptionHook
current_year = datetime.date.today().year
print("GNS3 GUI version {}".format(__version__))
print("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
# we only support Python 3 version >= 3.4
if sys.version_info < (3, 4):
raise SystemExit("Python 3.4 or higher is required")
if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.0.0"):
raise SystemExit("Requirement is PyQt5 version 5.0.0 or higher, got version {}".format(QtCore.QT_VERSION_STR))
if parse_version(psutil.__version__) < parse_version("2.2.1"):
raise SystemExit("Requirement is psutil version 2.2.1 or higher, got version {}".format(psutil.__version__))
# check for the correct locale
# (UNIX/Linux only)
locale_check()
try:
os.getcwd()
except FileNotFoundError:
log.critical("the current working directory doesn't exist")
return
# always use the INI format on Windows and OSX (because we don't like the registry and plist files)
if sys.platform.startswith('win') or sys.platform.startswith('darwin'):
QtCore.QSettings.setDefaultFormat(QtCore.QSettings.IniFormat)
if sys.platform.startswith('win') and hasattr(sys, "frozen"):
try:
import win32console
import win32con
import win32gui
except ImportError:
raise SystemExit("Python for Windows extensions must be installed.")
if not options.debug:
try:
# hide the console
console_window = win32console.GetConsoleWindow()
win32gui.ShowWindow(console_window, win32con.SW_HIDE)
except win32console.error as e:
print("warning: could not allocate console: {}".format(e))
global app
app = Application(sys.argv)
# save client logging info to a file
logfile = os.path.join(LocalConfig.configDirectory(), "gns3_gui.log")
# on debug enable logging to stdout
if options.debug:
root_logger = init_logger(logging.DEBUG, logfile)
else:
root_logger = init_logger(logging.INFO, logfile)
# update the exception file path to have it in the same directory as the settings file.
exception_file_path = os.path.join(LocalConfig.configDirectory(), exception_file_path)
global mainwindow
mainwindow = MainWindow()
# On OSX we can receive the file to open from a system event
# loadPath is smart and will load only if a path is present
mainwindow.ready_signal.connect(lambda: mainwindow.loadPath(app.open_file_at_startup))
mainwindow.ready_signal.connect(lambda: mainwindow.loadPath(options.project))
app.file_open_signal.connect(lambda path: mainwindow.loadPath(path))
# Manage Ctrl + C or kill command
def sigint_handler(*args):
log.info("Signal received exiting the application")
mainwindow.setSoftExit(False)
app.closeAllWindows()
orig_sigint = signal.signal(signal.SIGINT, sigint_handler)
orig_sigterm = signal.signal(signal.SIGTERM, sigint_handler)
mainwindow.show()
exit_code = app.exec_()
signal.signal(signal.SIGINT, orig_sigint)
signal.signal(signal.SIGTERM, orig_sigterm)
delattr(MainWindow, "_instance")
# We force deleting the app object otherwise it's segfault on Fedora
del app
# We force a full garbage collect before exit
# for unknow reason otherwise Qt Segfault on OSX in some
# conditions
import gc
gc.collect()
sys.exit(exit_code)
def main():
"""
Entry point for GNS3 GUI.
"""
# Get Python tracebacks explicitly, on a fault like segfault
faulthandler.enable()
# Sometimes (for example at first launch) the OSX app service launcher add
# an extra argument starting with -psn_. We filter it
if sys.platform.startswith("darwin"):
sys.argv = [a for a in sys.argv if not a.startswith("-psn_")]
if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.15.2"):
# Fixes issue on macOS Big Sur: https://github.com/GNS3/gns3-gui/issues/3037
os.environ["QT_MAC_WANTS_LAYER"] = "1"
parser = argparse.ArgumentParser()
parser.add_argument("project", help="load a GNS3 project (.gns3)", metavar="path", nargs="?")
parser.add_argument("--version", help="show the version", action="version", version=__version__)
parser.add_argument("--debug", help="print out debug messages", action="store_true", default=False)
parser.add_argument("-q", "--quiet", action="store_true", help="do not show logs on stdout")
parser.add_argument("--config", help="Configuration file")
parser.add_argument("--profile", help="Settings profile (blank will use default settings files)")
options = parser.parse_args()
exception_file_path = "exceptions.log"
if options.project:
options.project = os.path.abspath(options.project)
if hasattr(sys, "frozen"):
# We add to the path where the OS search executable our binary location starting by GNS3
# packaged binary
frozen_dir = os.path.dirname(os.path.abspath(sys.executable))
if sys.platform.startswith("darwin"):
frozen_dirs = [frozen_dir]
elif sys.platform.startswith("win"):
frozen_dirs = [
frozen_dir,
os.path.normpath(os.path.join(frozen_dir, 'dynamips')),
os.path.normpath(os.path.join(frozen_dir, 'vpcs')),
os.path.normpath(os.path.join(frozen_dir, 'traceng'))
]
os.environ["PATH"] = os.pathsep.join(frozen_dirs) + os.pathsep + os.environ.get("PATH", "")
if options.project:
os.chdir(frozen_dir)
def exceptionHook(exception, value, tb):
if exception == KeyboardInterrupt:
sys.exit(0)
lines = traceback.format_exception(exception, value, tb)
print("****** Exception detected, traceback information saved in {} ******".format(exception_file_path))
print("\nPLEASE REPORT ON https://www.gns3.com\n")
print("".join(lines))
try:
curdate = time.strftime("%d %b %Y %H:%M:%S")
logfile = open(exception_file_path, "a", encoding="utf-8")
logfile.write("=== GNS3 {} traceback on {} ===\n".format(__version__, curdate))
logfile.write("".join(lines))
logfile.close()
except OSError as e:
print("Could not save traceback to {}: {}".format(os.path.normpath(exception_file_path), e))
if not sys.stdout.isatty():
# if stdout is not a tty (redirected to the console view),
# then print the exception on stderr too.
print("".join(lines), file=sys.stderr)
if exception is MemoryError:
print("YOUR SYSTEM IS OUT OF MEMORY!")
else:
CrashReport.instance().captureException(exception, value, tb)
# catch exceptions to write them in a file
sys.excepthook = exceptionHook
# we only support Python 3 version >= 3.4
if sys.version_info < (3, 4):
raise SystemExit("Python 3.4 or higher is required")
if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.5.0"):
raise SystemExit("Requirement is PyQt5 version 5.5.0 or higher, got version {}".format(QtCore.QT_VERSION_STR))
if parse_version(psutil.__version__) < parse_version("2.2.1"):
raise SystemExit("Requirement is psutil version 2.2.1 or higher, got version {}".format(psutil.__version__))
# check for the correct locale
# (UNIX/Linux only)
locale_check()
try:
os.getcwd()
except FileNotFoundError:
log.critical("the current working directory doesn't exist")
return
# always use the INI format on Windows and OSX (because we don't like the registry and plist files)
if sys.platform.startswith('win') or sys.platform.startswith('darwin'):
QtCore.QSettings.setDefaultFormat(QtCore.QSettings.IniFormat)
if sys.platform.startswith('win') and hasattr(sys, "frozen"):
try:
import win32console
import win32con
import win32gui
except ImportError:
raise SystemExit("Python for Windows extensions must be installed.")
if not options.debug:
try:
# hide the console
console_window = win32console.GetConsoleWindow()
win32gui.ShowWindow(console_window, win32con.SW_HIDE)
except win32console.error as e:
print("warning: could not allocate console: {}".format(e))
local_config = LocalConfig.instance()
global app
app = Application(sys.argv, hdpi=local_config.hdpi())
if local_config.multiProfiles() and not options.profile:
profile_select = ProfileSelectDialog()
profile_select.show()
if profile_select.exec_():
options.profile = profile_select.profile()
else:
sys.exit(0)
# Init the config
if options.config:
local_config.setConfigFilePath(options.config)
elif options.profile:
local_config.setProfile(options.profile)
# save client logging info to a file
logfile = os.path.join(LocalConfig.instance().configDirectory(), "gns3_gui.log")
# on debug enable logging to stdout
if options.debug:
init_logger(logging.DEBUG, logfile)
elif options.quiet:
init_logger(logging.ERROR, logfile)
else:
init_logger(logging.INFO, logfile)
current_year = datetime.date.today().year
log.info("GNS3 GUI version {}".format(__version__))
log.info("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
log.info("Application started with {}".format(" ".join(sys.argv)))
# update the exception file path to have it in the same directory as the settings file.
exception_file_path = os.path.join(LocalConfig.instance().configDirectory(), exception_file_path)
# We disallow to run GNS3 from outside the /Applications folder to avoid
# issue when people run GNS3 from the .dmg
if sys.platform.startswith("darwin") and hasattr(sys, "frozen"):
if not os.path.realpath(sys.executable).startswith("/Applications"):
error_message = "GNS3.app must be moved to the '/Applications' folder before it can be used"
QtWidgets.QMessageBox.critical(False, "Loading error", error_message)
QtCore.QTimer.singleShot(0, app.quit)
app.exec_()
sys.exit(1)
global mainwindow
startup_file = app.open_file_at_startup
if not startup_file:
startup_file = options.project
mainwindow = MainWindow(open_file=startup_file)
# On OSX we can receive the file to open from a system event
# loadPath is smart and will load only if a path is present
app.file_open_signal.connect(lambda path: mainwindow.loadPath(path))
# Manage Ctrl + C or kill command
def sigint_handler(*args):
log.info("Signal received exiting the application")
app.closeAllWindows()
orig_sigint = signal.signal(signal.SIGINT, sigint_handler)
orig_sigterm = signal.signal(signal.SIGTERM, sigint_handler)
mainwindow.show()
exit_code = app.exec_()
signal.signal(signal.SIGINT, orig_sigint)
signal.signal(signal.SIGTERM, orig_sigterm)
delattr(MainWindow, "_instance")
# We force deleting the app object otherwise it's segfault on Fedora
del app
# We force a full garbage collect before exit
# for unknown reason otherwise Qt Segfault on OSX in some
# conditions
import gc
gc.collect()
sys.exit(exit_code)
def main():
"""
Entry point for GNS3 GUI.
"""
parser = argparse.ArgumentParser()
parser.add_argument("project", help="load a GNS3 project (.gns3)", metavar="path", nargs="?")
parser.add_argument("--version", help="show the version", action="version", version=__version__)
parser.add_argument("--debug", help="print out debug messages", action="store_true", default=False)
options = parser.parse_args()
exception_file_path = "exceptions.log"
if options.project and hasattr(sys, "frozen"):
os.chdir(os.path.dirname(os.path.abspath(sys.executable)))
def exceptionHook(exception, value, tb):
if exception == KeyboardInterrupt:
sys.exit(0)
lines = traceback.format_exception(exception, value, tb)
print("****** Exception detected, traceback information saved in {} ******".format(exception_file_path))
print("\nPLEASE REPORT ON https://www.gns3.com\n")
print("".join(lines))
try:
curdate = time.strftime("%d %b %Y %H:%M:%S")
logfile = open(exception_file_path, "a", encoding="utf-8")
logfile.write("=== GNS3 {} traceback on {} ===\n".format(__version__, curdate))
logfile.write("".join(lines))
logfile.close()
except OSError as e:
print("Could not save traceback to {}: {}".format(os.path.normpath(exception_file_path), e))
if not sys.stdout.isatty():
# if stdout is not a tty (redirected to the console view),
# then print the exception on stderr too.
print("".join(lines), file=sys.stderr)
if exception is MemoryError:
print("YOUR SYSTEM IS OUT OF MEMORY!")
else:
CrashReport.instance().captureException(exception, value, tb)
# catch exceptions to write them in a file
sys.excepthook = exceptionHook
current_year = datetime.date.today().year
print("GNS3 GUI version {}".format(__version__))
print("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
# we only support Python 2 version >= 2.7 and Python 3 version >= 3.3
if sys.version_info < (2, 7):
raise RuntimeError("Python 2.7 or higher is required")
elif sys.version_info[0] == 3 and sys.version_info < (3, 3):
raise RuntimeError("Python 3.3 or higher is required")
def version(version_string):
return [int(i) for i in version_string.split('.')]
if version(QtCore.QT_VERSION_STR) < version("4.6"):
raise RuntimeError("Requirement is Qt version 4.6 or higher, got version {}".format(QtCore.QT_VERSION_STR))
# 4.8.3 because of QSettings (http://pyqt.sourceforge.net/Docs/PyQt4/pyqt_qsettings.html)
if DEFAULT_BINDING == "PyQt" and version(QtCore.BINDING_VERSION_STR) < version("4.8.3"):
raise RuntimeError("Requirement is PyQt version 4.8.3 or higher, got version {}".format(QtCore.BINDING_VERSION_STR))
if DEFAULT_BINDING == "PySide" and version(QtCore.BINDING_VERSION_STR) < version("1.0"):
raise RuntimeError("Requirement is PySide version 1.0 or higher, got version {}".format(QtCore.BINDING_VERSION_STR))
# check for the correct locale
# (UNIX/Linux only)
locale_check()
try:
os.getcwd()
except FileNotFoundError:
log.critical("the current working directory doesn't exist")
return
# always use the INI format on Windows and OSX (because we don't like the registry and plist files)
if sys.platform.startswith('win') or sys.platform.startswith('darwin'):
QtCore.QSettings.setDefaultFormat(QtCore.QSettings.IniFormat)
if sys.platform.startswith('win') and hasattr(sys, "frozen"):
try:
import win32console
import win32con
import win32gui
except ImportError:
raise RuntimeError("Python for Windows extensions must be installed.")
if not options.debug:
try:
# hide the console
console_window = win32console.GetConsoleWindow()
win32gui.ShowWindow(console_window, win32con.SW_HIDE)
except win32console.error as e:
print("warning: could not allocate console: {}".format(e))
app = QtGui.QApplication(sys.argv)
# this info is necessary for QSettings
app.setOrganizationName("GNS3")
app.setOrganizationDomain("gns3.net")
app.setApplicationName("GNS3")
app.setApplicationVersion(__version__)
formatter = logging.Formatter("[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d] %(message)s",
datefmt="%y%m%d %H:%M:%S")
# on debug enable logging to stdout
if options.debug:
root_logger = init_logger(logging.DEBUG)
else:
root_logger = init_logger(logging.INFO)
# save client logging info to a file
logfile = os.path.join(os.path.dirname(QtCore.QSettings().fileName()), "gns3_gui.log")
try:
try:
os.makedirs(os.path.dirname(QtCore.QSettings().fileName()))
except FileExistsError:
pass
handler = logging.FileHandler(logfile, "w")
root_logger.addHandler(handler)
except OSError as e:
log.warn("could not log to {}: {}".format(logfile, e))
log.info('Log level: {}'.format(logging.getLevelName(log.getEffectiveLevel())))
# update the exception file path to have it in the same directory as the settings file.
exception_file_path = os.path.join(os.path.dirname(QtCore.QSettings().fileName()), exception_file_path)
mainwindow = MainWindow(options.project)
mainwindow.show()
exit_code = app.exec_()
delattr(MainWindow, "_instance")
app.deleteLater()
sys.exit(exit_code)
def main():
"""
Entry point for GNS3 GUI.
"""
# Sometimes (for example at first launch) the OSX app service launcher add
# an extra argument starting with -psn_. We filter it
if sys.platform.startswith("darwin"):
sys.argv = [a for a in sys.argv if not a.startswith("-psn_")]
parser = argparse.ArgumentParser()
parser.add_argument("project",
help="load a GNS3 project (.gns3)",
metavar="path",
nargs="?")
parser.add_argument("--version",
help="show the version",
action="version",
version=__version__)
parser.add_argument("--debug",
help="print out debug messages",
action="store_true",
default=False)
parser.add_argument("--config", help="Configuration file")
options = parser.parse_args()
exception_file_path = "exceptions.log"
if options.config:
LocalConfig.instance(config_file=options.config)
else:
LocalConfig.instance()
if hasattr(sys, "frozen"):
# We add to the path where the OS search executable our binary location starting by GNS3
# packaged binary
frozen_dir = os.path.dirname(os.path.abspath(sys.executable))
if sys.platform.startswith("darwin"):
frozen_dirs = [
frozen_dir,
os.path.normpath(os.path.join(frozen_dir, '..', 'Resources'))
]
elif sys.platform.startswith("win"):
frozen_dirs = [
frozen_dir,
os.path.normpath(os.path.join(frozen_dir, 'dynamips')),
os.path.normpath(os.path.join(frozen_dir, 'vpcs'))
]
os.environ["PATH"] = os.pathsep.join(
frozen_dirs) + os.pathsep + os.environ.get("PATH", "")
if options.project:
options.project = os.path.abspath(options.project)
os.chdir(frozen_dir)
def exceptionHook(exception, value, tb):
if exception == KeyboardInterrupt:
sys.exit(0)
lines = traceback.format_exception(exception, value, tb)
print(
"****** Exception detected, traceback information saved in {} ******"
.format(exception_file_path))
print("\nPLEASE REPORT ON https://www.gns3.com\n")
print("".join(lines))
try:
curdate = time.strftime("%d %b %Y %H:%M:%S")
logfile = open(exception_file_path, "a", encoding="utf-8")
logfile.write("=== GNS3 {} traceback on {} ===\n".format(
__version__, curdate))
logfile.write("".join(lines))
logfile.close()
except OSError as e:
print("Could not save traceback to {}: {}".format(
os.path.normpath(exception_file_path), e))
if not sys.stdout.isatty():
# if stdout is not a tty (redirected to the console view),
# then print the exception on stderr too.
print("".join(lines), file=sys.stderr)
if exception is MemoryError:
print("YOUR SYSTEM IS OUT OF MEMORY!")
else:
CrashReport.instance().captureException(exception, value, tb)
# catch exceptions to write them in a file
sys.excepthook = exceptionHook
current_year = datetime.date.today().year
print("GNS3 GUI version {}".format(__version__))
print("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
# we only support Python 3 version >= 3.4
if sys.version_info < (3, 4):
raise SystemExit("Python 3.4 or higher is required")
def version(version_string):
result = []
for i in re.split(r'[^0-9]', version_string):
if len(i):
result.append(int(i))
return result
# 4.8.3 because of QSettings (http://pyqt.sourceforge.net/Docs/PyQt4/pyqt_qsettings.html)
if DEFAULT_BINDING == "PyQt4" and version(
QtCore.BINDING_VERSION_STR) < version("4.8.3"):
raise SystemExit(
"Requirement is PyQt version 4.8.3 or higher, got version {}".
format(QtCore.BINDING_VERSION_STR))
if DEFAULT_BINDING == "PyQt5" and version(
QtCore.BINDING_VERSION_STR) < version("5.0.0"):
raise SystemExit(
"Requirement is PyQt5 version 5.0.0 or higher, got version {}".
format(QtCore.BINDING_VERSION_STR))
import psutil
if version(psutil.__version__) < version("2.2.1"):
raise SystemExit(
"Requirement is psutil version 2.2.1 or higher, got version {}".
format(psutil.__version__))
# check for the correct locale
# (UNIX/Linux only)
locale_check()
try:
os.getcwd()
except FileNotFoundError:
log.critical("the current working directory doesn't exist")
return
# always use the INI format on Windows and OSX (because we don't like the registry and plist files)
if sys.platform.startswith('win') or sys.platform.startswith('darwin'):
QtCore.QSettings.setDefaultFormat(QtCore.QSettings.IniFormat)
if sys.platform.startswith('win') and hasattr(sys, "frozen"):
try:
import win32console
import win32con
import win32gui
except ImportError:
raise SystemExit(
"Python for Windows extensions must be installed.")
if not options.debug:
try:
# hide the console
console_window = win32console.GetConsoleWindow()
win32gui.ShowWindow(console_window, win32con.SW_HIDE)
except win32console.error as e:
print("warning: could not allocate console: {}".format(e))
global app
app = Application(sys.argv)
# save client logging info to a file
logfile = os.path.join(LocalConfig.configDirectory(), "gns3_gui.log")
# on debug enable logging to stdout
if options.debug:
root_logger = init_logger(logging.DEBUG, logfile)
else:
root_logger = init_logger(logging.INFO, logfile)
# update the exception file path to have it in the same directory as the settings file.
exception_file_path = os.path.join(LocalConfig.configDirectory(),
exception_file_path)
global mainwindow
mainwindow = MainWindow()
# On OSX we can receive the file to open from a system event
# loadPath is smart and will load only if a path is present
mainwindow.ready_signal.connect(
lambda: mainwindow.loadPath(app.open_file_at_startup))
mainwindow.ready_signal.connect(
lambda: mainwindow.loadPath(options.project))
app.file_open_signal.connect(lambda path: mainwindow.loadPath(path))
# Manage Ctrl + C or kill command
def sigint_handler(*args):
log.info("Signal received exiting the application")
mainwindow.setSoftExit(False)
app.closeAllWindows()
signal.signal(signal.SIGINT, sigint_handler)
signal.signal(signal.SIGTERM, sigint_handler)
mainwindow.show()
exit_code = app.exec_()
delattr(MainWindow, "_instance")
# We force a full garbage collect before exit
# for unknow reason otherwise Qt Segfault on OSX in some
# conditions
import gc
gc.collect()
sys.exit(exit_code)
def main():
"""
Entry point for GNS3 GUI.
"""
parser = argparse.ArgumentParser()
parser.add_argument("project",
help="load a GNS3 project (.gns3)",
metavar="path",
nargs="?")
parser.add_argument("--version",
help="show the version",
action="version",
version=__version__)
parser.add_argument("--debug",
help="print out debug messages",
action="store_true",
default=False)
options = parser.parse_args()
exception_file_path = "exceptions.log"
if options.project and hasattr(sys, "frozen"):
os.chdir(os.path.dirname(os.path.abspath(sys.executable)))
def exceptionHook(exception, value, tb):
if exception == KeyboardInterrupt:
sys.exit(0)
lines = traceback.format_exception(exception, value, tb)
print(
"****** Exception detected, traceback information saved in {} ******"
.format(exception_file_path))
print(
"\nPLEASE REPORT ON https://community.gns3.com/community/support/bug\n"
)
print("".join(lines))
try:
curdate = time.strftime("%d %b %Y %H:%M:%S")
logfile = open(exception_file_path, "a")
logfile.write("=== GNS3 {} traceback on {} ===\n".format(
__version__, curdate))
logfile.write("".join(lines))
logfile.close()
except OSError as e:
print("Could not save traceback to {}: {}".format(
os.path.normpath(exception_file_path), e))
if not sys.stdout.isatty():
# if stdout is not a tty (redirected to the console view),
# then print the exception on stderr too.
print("".join(lines), file=sys.stderr)
CrashReport.instance().captureException(exception, value, tb)
# catch exceptions to write them in a file
sys.excepthook = exceptionHook
current_year = datetime.date.today().year
print("GNS3 GUI version {}".format(__version__))
print("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
# we only support Python 2 version >= 2.7 and Python 3 version >= 3.3
if sys.version_info < (2, 7):
raise RuntimeError("Python 2.7 or higher is required")
elif sys.version_info[0] == 3 and sys.version_info < (3, 3):
raise RuntimeError("Python 3.3 or higher is required")
def version(version_string):
return [int(i) for i in version_string.split('.')]
if version(QtCore.QT_VERSION_STR) < version("4.6"):
raise RuntimeError(
"Requirement is Qt version 4.6 or higher, got version {}".format(
QtCore.QT_VERSION_STR))
# 4.8.3 because of QSettings (http://pyqt.sourceforge.net/Docs/PyQt4/pyqt_qsettings.html)
if DEFAULT_BINDING == "PyQt" and version(
QtCore.BINDING_VERSION_STR) < version("4.8.3"):
raise RuntimeError(
"Requirement is PyQt version 4.8.3 or higher, got version {}".
format(QtCore.BINDING_VERSION_STR))
if DEFAULT_BINDING == "PySide" and version(
QtCore.BINDING_VERSION_STR) < version("1.0"):
raise RuntimeError(
"Requirement is PySide version 1.0 or higher, got version {}".
format(QtCore.BINDING_VERSION_STR))
# check for the correct locale
# (UNIX/Linux only)
locale_check()
try:
os.getcwd()
except FileNotFoundError:
log.critical("the current working directory doesn't exist")
return
# always use the INI format on Windows and OSX (because we don't like the registry and plist files)
if sys.platform.startswith('win') or sys.platform.startswith('darwin'):
QtCore.QSettings.setDefaultFormat(QtCore.QSettings.IniFormat)
if sys.platform.startswith('win') and hasattr(sys, "frozen"):
try:
import win32console
import win32con
import win32gui
except ImportError:
raise RuntimeError(
"Python for Windows extensions must be installed.")
if not options.debug:
try:
# hide the console
console_window = win32console.GetConsoleWindow()
win32gui.ShowWindow(console_window, win32con.SW_HIDE)
except win32console.error as e:
print("warning: could not allocate console: {}".format(e))
app = QtGui.QApplication(sys.argv)
# this info is necessary for QSettings
app.setOrganizationName("GNS3")
app.setOrganizationDomain("gns3.net")
app.setApplicationName("GNS3")
app.setApplicationVersion(__version__)
formatter = logging.Formatter(
"[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d] %(message)s",
datefmt="%y%m%d %H:%M:%S")
# on debug enable logging to stdout
if options.debug:
root_logger = init_logger(logging.DEBUG)
else:
root_logger = init_logger(logging.INFO)
# save client logging info to a file
logfile = os.path.join(os.path.dirname(QtCore.QSettings().fileName()),
"gns3_gui.log")
try:
try:
os.makedirs(os.path.dirname(QtCore.QSettings().fileName()))
except FileExistsError:
pass
handler = logging.FileHandler(logfile, "w")
root_logger.addHandler(handler)
except OSError as e:
log.warn("could not log to {}: {}".format(logfile, e))
log.info('Log level: {}'.format(
logging.getLevelName(log.getEffectiveLevel())))
# update the exception file path to have it in the same directory as the settings file.
exception_file_path = os.path.join(
os.path.dirname(QtCore.QSettings().fileName()), exception_file_path)
mainwindow = MainWindow(options.project)
mainwindow.show()
exit_code = app.exec_()
delattr(MainWindow, "_instance")
app.deleteLater()
sys.exit(exit_code)