opencv 하위 버전으로 변경하기

 

 

 

opencv 하위 버전으로 변경하기

·       , 의 기존 설치 버전 삭제 후 하위 버전으로 설치합니다.

·       4.1.1.26 -> 3.4.2.16 으로 변경합니다.

 

 

 

  

패키지 설치 버전 확인

C:\CodeLab>pip list | findstr opencv opencv-contrib-python 4.1.1.26 opencv-python         4.1.1.26   C:\CodeLab>

 

 

  

기존 설치 버전 삭제 - 4.1.1.26

 

pip uninstall opencv-contrib-python

pip uninstall opencv-python

C:\CodeLab>pip uninstall opencv-contrib-python Uninstalling opencv-contrib-python-4.1.1.26:   Would remove:     c:\python\python36\lib\site-packages\cv2\*     c:\python\python36\lib\site-packages\opencv_contrib_python-4.1.1.26.dist-info\* Proceed (y/n)? y   Successfully uninstalled opencv-contrib-python-4.1.1.26 ERROR: Exception: Traceback (most recent call last):   File "C:\Python\Python36\lib\site-packages\pip\_internal\cli\base_command.py", line 153, in _main     status = self.run(options, args)   File "C:\Python\Python36\lib\site-packages\pip\_internal\commands\uninstall.py", line 82, in run     uninstall_pathset.commit()   File "C:\Python\Python36\lib\site-packages\pip\_internal\req\req_uninstall.py", line 450, in commit     self._moved_paths.commit()   File "C:\Python\Python36\lib\site-packages\pip\_internal\req\req_uninstall.py", line 290, in commit     save_dir.cleanup()   File "C:\Python\Python36\lib\site-packages\pip\_internal\utils\temp_dir.py", line 100, in cleanup     rmtree(self._path)   File "C:\Python\Python36\lib\site-packages\pip\_vendor\retrying.py", line 49, in wrapped_f     return Retrying(*dargs, **dkw).call(f, *args, **kw)   File "C:\Python\Python36\lib\site-packages\pip\_vendor\retrying.py", line 212, in call     raise attempt.get()   File "C:\Python\Python36\lib\site-packages\pip\_vendor\retrying.py", line 247, in get     six.reraise(self.value[0], self.value[1], self.value[2])   File "C:\Python\Python36\lib\site-packages\pip\_vendor\six.py", line 693, in reraise     raise value   File "C:\Python\Python36\lib\site-packages\pip\_vendor\retrying.py", line 200, in call     attempt = Attempt(fn(*args, **kwargs), attempt_number, False)   File "C:\Python\Python36\lib\site-packages\pip\_internal\utils\misc.py", line 140, in rmtree     onerror=rmtree_errorhandler)   File "C:\Python\Python36\lib\shutil.py", line 494, in rmtree     return _rmtree_unsafe(path, onerror)   File "C:\Python\Python36\lib\shutil.py", line 389, in _rmtree_unsafe     onerror(os.unlink, fullname, sys.exc_info())   File "C:\Python\Python36\lib\shutil.py", line 387, in _rmtree_unsafe     os.unlink(fullname) PermissionError: [WinError 5] 액세스가 거부되었습니다: 'c:\\python\\python36\\lib\\site-packages\\~v2\\cv2.cp36-win_amd64.pyd'   C:\CodeLab>pip uninstall opencv-contrib-python WARNING: Skipping opencv-contrib-python as it is not installed.   C:\CodeLab>pip uninstall opencv-python Uninstalling opencv-python-4.1.1.26:   Would remove:     c:\python\python36\lib\site-packages\opencv_python-4.1.1.26.dist-info\* Proceed (y/n)? y   Successfully uninstalled opencv-python-4.1.1.26   C:\CodeLab>

  

 

 

하위 버전으로 설치 - 3.4.2.16

pip install opencv-python==3.4.2.16

pip install opencv-contrib-python==3.4.2.16

 

C:\CodeLab>pip install opencv-python==3.4.2.16 Collecting opencv-python==3.4.2.16   Downloading https://files.pythonhosted.org/packages/eb/6c/c3e960a495dc7ac5f542cc5a8cc177a218aba30aaed2b0d55c1dc5c1693d/opencv_python-3.4.2.16-cp36-cp36m-win_amd64.whl (33.8MB)      |████████████████████████████████| 33.8MB 939kB/s Requirement already satisfied: numpy>=1.11.3 in c:\python\python36\lib\site-packages (from opencv-python==3.4.2.16) (1.14.4) Installing collected packages: opencv-python Successfully installed opencv-python-3.4.2.16   C:\CodeLab>pip install opencv-contrib-python==3.4.2.16 Collecting opencv-contrib-python==3.4.2.16   Downloading https://files.pythonhosted.org/packages/61/34/b0cbb7689ab23b37a7e1b6e2e8da228b2561ca39923a6403b1cf76ac2d31/opencv_contrib_python-3.4.2.16-cp36-cp36m-win_amd64.whl (39.6MB)      |████████████████████████████████| 39.6MB 96kB/s Requirement already satisfied: numpy>=1.11.3 in c:\python\python36\lib\site-packages (from opencv-contrib-python==3.4.2.16) (1.14.4) Installing collected packages: opencv-contrib-python Successfully installed opencv-contrib-python-3.4.2.16   C:\CodeLab>

 

 

 

 

패키지 설치 버전 확인

4.1.1.26 -> 3.4.2.16 으로 변경되었습니다.

C:\CodeLab>pip list | findstr opencv opencv-contrib-python 3.4.2.16 opencv-python         3.4.2.16   C:\CodeLab>