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Merge pull request #901 from thopiekar/master-linux-fallback-path

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Scanning for CuraEngine and stop if it was not found
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Thomas Karl Pietrowski 2016-08-08 10:47:49 +02:00 • committed by GitHub
commit 9bd59a4eaa
1 changed files with 19 additions and 4 deletions
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23
plugins/CuraEngineBackend/CuraEngineBackend.py
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@ -13,7 +13,6 @@ from UM.Resources import Resources
from UM.Settings.Validator import ValidatorState #To find if a setting is in an error state. We can't slice then.
from UM.Platform import Platform
import cura.Settings
from cura.OneAtATimeIterator import OneAtATimeIterator
@ -33,7 +32,6 @@ import Arcus
from UM.i18n import i18nCatalog
catalog = i18nCatalog("cura")
class CuraEngineBackend(Backend):
## Starts the back-end plug-in.
#
@ -44,11 +42,28 @@ class CuraEngineBackend(Backend):
# Find out where the engine is located, and how it is called.
# This depends on how Cura is packaged and which OS we are running on.
default_engine_location = os.path.join(Application.getInstallPrefix(), "bin", "CuraEngine")
executable_name = "CuraEngine"
default_engine_location = None
if os.path.exists(os.path.join(Application.getInstallPrefix(), "bin", executable_name)):
default_engine_location = os.path.join(Application.getInstallPrefix(), "bin", executable_name)
if hasattr(sys, "frozen"):
default_engine_location = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), "CuraEngine")
default_engine_location = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), executable_name)
if Platform.isWindows():
default_engine_location += ".exe"
if Platform.isLinux() and not default_engine_location:
if not os.getenv("PATH"):
raise OSError("There is something wrong with your Linux installation.")
for pathdir in os.getenv("PATH").split(os.pathsep):
execpath = os.path.join(pathdir, executable_name)
if os.path.exists(execpath):
default_engine_location = execpath
break
if not default_engine_location:
raise EnvironmentError("Could not find CuraEngine")
Logger.log("i", "Found CuraEngine at: %s" %(default_engine_location))
default_engine_location = os.path.abspath(default_engine_location)
Preferences.getInstance().addPreference("backend/location", default_engine_location)