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Check for OpenGL before running meshviewer #79

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Check for OpenGL before running meshviewer #79

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9 changes: 6 additions & 3 deletions bin/meshviewer
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Original file line number Diff line number Diff line change
Expand Up @@ -91,7 +91,8 @@ from psbody.mesh.meshviewer import (
MESH_VIEWER_DEFAULT_HEIGHT,
ZMQ_HOST,
MeshViewerLocal,
MeshViewerRemote)
MeshViewerRemote,
_test_for_opengl)


logging.basicConfig(level=logging.INFO)
Expand Down Expand Up @@ -374,6 +375,8 @@ def take_snapshot(client, args):


if __name__ == "__main__":
args = parser_root.parse_args()
dispatch_command(args)
if _test_for_opengl():
args = parser_root.parse_args()
dispatch_command(args)

sys.exit(0)
9 changes: 5 additions & 4 deletions mesh/meshviewer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,14 +95,15 @@ def _run_self(args, stdin=None, stdout=None, stderr=None):


def _test_for_opengl():
print("Checking OpenGL...")
try:
# from OpenGL.GLUT import glutInit
GLUT.glutInit()
except Exception as e:
print("OpenGL not available")
print(e, file=sys.stderr)
print('failure')
else:
print('success')
return False
print("Success!")
return True


test_for_opengl_cached = None
Expand Down