OpenGL导入失败与pyqtgraph

roboguy222

我有一个安装了python 3,pyopengl和pyqtgraph的conda环境。运行import OpenGL没有问题,但是当我尝试使用运行pyqtgraph示例时python -m pyqtgraph.examples,大多数示例都可以运行,但是如果我运行需要OpenGL的3D示例之一,则会出现以下错误:

Using PyQt5 (default graphics system)
Traceback (most recent call last):
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/darwin.py", line 35, in GL
    return ctypesloader.loadLibrary(
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/ctypesloader.py", line 45, in loadLibrary
    return dllType( name, mode )
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/ctypes/__init__.py", line 381, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: ('dlopen(OpenGL, 10): image not found', 'OpenGL', None)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/pyqtgraph/examples/GLIsosurface.py", line 12, in <module>
    import pyqtgraph.opengl as gl
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/pyqtgraph/opengl/__init__.py", line 1, in <module>
    from .GLViewWidget import GLViewWidget
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/pyqtgraph/opengl/GLViewWidget.py", line 2, in <module>
    from OpenGL.GL import *
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/GL/__init__.py", line 3, in <module>
    from OpenGL import error as _error
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/error.py", line 12, in <module>
    from OpenGL import platform, _configflags
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/__init__.py", line 35, in <module>
    _load()
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/__init__.py", line 32, in _load
    plugin.install(globals())
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/baseplatform.py", line 92, in install
    namespace[ name ] = getattr(self,name,None)
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/baseplatform.py", line 14, in __get__
    value = self.fget( obj )
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/darwin.py", line 62, in GetCurrentContext
    return self.CGL.CGLGetCurrentContext 
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/baseplatform.py", line 14, in __get__
    value = self.fget( obj )
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/darwin.py", line 45, in CGL
    def CGL(self): return self.GL
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/baseplatform.py", line 14, in __get__
    value = self.fget( obj )
  File "/usr/local/Caskroom/miniconda/base/envs/mcdermott3/lib/python3.8/site-packages/OpenGL/platform/darwin.py", line 41, in GL
    raise ImportError("Unable to load OpenGL library", *err.args)
ImportError: ('Unable to load OpenGL library', 'dlopen(OpenGL, 10): image not found', 'OpenGL', None)

任何想法如何解决这一问题?如果相关,我将在Mac OS Big Sur中运行此程序,并使用conda安装所有内容。

编辑:我刚刚发现这个有关类似问题,但仍然不知道要做些什么什么。

roboguy222

从保罗·麦卡锡(Paul McCarthy)发送的电子邮件中:

“这可能是由于Big Sur发生了变化,该变化影响了Python查找共享库的方式,这导致PyOpenGL中断,实际上与您发现的FSLeyes github问题无关。BigSur现在从文件系统中删除了某些共享的dylib文件,而是将它们放入内存缓存中,然后拦截引用完整文件路径的dlopen调用,并从缓存中加载文件,这与Python以前用于在macOS上加载共享库的方法不兼容。 Python专家已经实现了一个解决方案,但是我不确定该修补程序是否已经发布(并且我认为该修补程序仅针对Python 3.8及更高版本发布)。”

链接对此问题有一些修复。

本文收集自互联网,转载请注明来源。

如有侵权,请联系 [email protected] 删除。

编辑于
0

我来说两句

0 条评论
登录 后参与评论

相关文章