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#!/usr/bin/env python3
# Copyright (c) 2015 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import os
import sys
import platform
import faulthandler
from UM.Platform import Platform
#WORKAROUND: GITHUB-88 GITHUB-385 GITHUB-612
if Platform.isLinux(): # Needed for platform.linux_distribution, which is not available on Windows and OSX
# For Ubuntu: https://bugs.launchpad.net/ubuntu/+source/python-qt4/+bug/941826
if platform.linux_distribution()[0] in ("debian", "Ubuntu", "LinuxMint"): # TODO: Needs a "if X11_GFX == 'nvidia'" here. The workaround is only needed on Ubuntu+NVidia drivers. Other drivers are not affected, but fine with this fix.
import ctypes
from ctypes.util import find_library
libGL = find_library("GL")
ctypes.CDLL(libGL, ctypes.RTLD_GLOBAL)
# When frozen, i.e. installer version, don't let PYTHONPATH mess up the search path for DLLs.
if Platform.isWindows() and hasattr(sys, "frozen"):
try:
del os.environ["PYTHONPATH"]
except KeyError: pass
#WORKAROUND: GITHUB-704 GITHUB-708
# It looks like setuptools creates a .pth file in
# the default /usr/lib which causes the default site-packages
# to be inserted into sys.path before PYTHONPATH.
# This can cause issues such as having libsip loaded from
# the system instead of the one provided with Cura, which causes
# incompatibility issues with libArcus
if "PYTHONPATH" in os.environ.keys(): # If PYTHONPATH is used
PYTHONPATH = os.environ["PYTHONPATH"].split(os.pathsep) # Get the value, split it..
PYTHONPATH.reverse() # and reverse it, because we always insert at 1
for PATH in PYTHONPATH: # Now beginning with the last PATH
PATH_real = os.path.realpath(PATH) # Making the the path "real"
if PATH_real in sys.path: # This should always work, but keep it to be sure..
sys.path.remove(PATH_real)
sys.path.insert(1, PATH_real) # Insert it at 1 after os.curdir, which is 0.
def exceptHook(hook_type, value, traceback):
from cura.CrashHandler import CrashHandler
_crash_handler = CrashHandler(hook_type, value, traceback)
_crash_handler.show()
sys.excepthook = exceptHook
# Workaround for a race condition on certain systems where there
# is a race condition between Arcus and PyQt. Importing Arcus
# first seems to prevent Sip from going into a state where it
# tries to create PyQt objects on a non-main thread.
import Arcus #@UnusedImport
import cura.CuraApplication
import cura.Settings.CuraContainerRegistry
def get_cura_dir_path():
if Platform.isWindows():
return os.path.expanduser("~/AppData/Local/cura/")
elif Platform.isLinux():
return os.path.expanduser("~/.local/share/cura")
elif Platform.isOSX():
return os.path.expanduser("~/Library/Logs/cura")
if hasattr(sys, "frozen"):
dirpath = get_cura_dir_path()
os.makedirs(dirpath, exist_ok = True)
sys.stdout = open(os.path.join(dirpath, "stdout.log"), "w")
sys.stderr = open(os.path.join(dirpath, "stderr.log"), "w")
faulthandler.enable()
# Force an instance of CuraContainerRegistry to be created and reused later.
cura.Settings.CuraContainerRegistry.CuraContainerRegistry.getInstance()
# This prestart up check is needed to determine if we should start the application at all.
if not cura.CuraApplication.CuraApplication.preStartUp():
sys.exit(0)
app = cura.CuraApplication.CuraApplication.getInstance()
app.run()
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