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Fix CTM loading on Linux

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CURA-6739

Note that this doesn't work with Python 3.5.7, but with 3.6 and 3.7. To
make Python 3.5.7 work, a fix needs to be backported from 3.6 for
ctypes.util.find_library() for Linux.
This commit is contained in:
Lipu Fei 2019-09-04 18:25:29 +02:00
parent bb11c695e2
commit b309680fb7
1 changed files with 15 additions and 0 deletions
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15
cura_app.py
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@ -155,5 +155,20 @@ if Platform.isOSX() and getattr(sys, "frozen", False):
path_list.append(search_path)
os.environ["DYLD_FALLBACK_LIBRARY_PATH"] = ":".join(path_list)
# WORKAROUND: CURA-6739
# Similar CTM file loading fix for Linux, but NOTE THAT this doesn't work directly with Python 3.5.7. There's a fix
# for ctypes.util.find_library() in Python 3.6 and 3.7. That fix makes sure that find_library() will check
# LD_LIBRARY_PATH. With Python 3.5, that fix needs to be backported to make this workaround work.
if Platform.isLinux() and getattr(sys, "frozen", False):
old_env = os.environ.get("LD_LIBRARY_PATH", "")
# This is where libopenctm.so is in the AppImage.
search_path = os.path.join(CuraApplication.getInstallPrefix(), "bin")
path_list = old_env.split(":")
if search_path not in path_list:
path_list.append(search_path)
os.environ["LD_LIBRARY_PATH"] = ":".join(path_list)
import trimesh.exchange.load
os.environ["LD_LIBRARY_PATH"] = old_env
app = CuraApplication()
app.run()