title: I can't install opencv python
body: <p>I get this error when I want to install openCV on VSCode.</p>
  <pre><code>pip install opencv-python
  Collecting opencv-python
    Using cached opencv-python-4.5.3.56.tar.gz (89.2 MB)
    Installing build dependencies ... error
    ERROR: Command errored out with exit status 1:
     command: 'C:\Users\elhou\AppData\Local\Programs\Python\Python310\python.exe' 'C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-standalone-pip-dm79q0l_\__env_pip__.zip\pip' install --ignore-installed --no-user --prefix 'C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-build-env-p0x2hoqn\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel scikit-build cmake pip 'numpy==1.13.3; python_version=='&quot;'&quot;'3.6'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.19.3; python_version&gt;='&quot;'&quot;'3.6'&quot;'&quot;' and sys_platform == '&quot;'&quot;'linux'&quot;'&quot;' and platform_machine == '&quot;'&quot;'aarch64'&quot;'&quot;'' 'numpy==1.21.0; python_version&gt;='&quot;'&quot;'3.6'&quot;'&quot;' and sys_platform == '&quot;'&quot;'darwin'&quot;'&quot;' and platform_machine == '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.14.5; python_version=='&quot;'&quot;'3.7'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.17.3; python_version=='&quot;'&quot;'3.8'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.19.3; python_version&gt;='&quot;'&quot;'3.9'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;''
         cwd: None
    Complete output (235 lines):
    Ignoring numpy: markers 'python_version == &quot;3.6&quot; and platform_machine != &quot;aarch64&quot; and platform_machine != &quot;arm64&quot;' don't match your environment
    Ignoring numpy: markers 'python_version &gt;= &quot;3.6&quot; and sys_platform == &quot;linux&quot; and platform_machine == &quot;aarch64&quot;' don't match your environment
    Ignoring numpy: markers 'python_version &gt;= &quot;3.6&quot; and sys_platform == &quot;darwin&quot; and platform_machine == &quot;arm64&quot;' don't match your environment
    Ignoring numpy: markers 'python_version == &quot;3.7&quot; and platform_machine != &quot;aarch64&quot; and platform_machine != &quot;arm64&quot;' don't match your environment
    Ignoring numpy: markers 'python_version == &quot;3.8&quot; and platform_machine != &quot;aarch64&quot; and platform_machine != &quot;arm64&quot;' don't match your environment
    Collecting setuptools
      Using cached setuptools-58.2.0-py3-none-any.whl (946 kB)
    Collecting wheel
      Using cached wheel-0.37.0-py2.py3-none-any.whl (35 kB)
    Collecting scikit-build
      Using cached scikit_build-0.12.0-py2.py3-none-any.whl (73 kB)
    Collecting cmake
      Using cached cmake-3.21.3-py2.py3-none-win_amd64.whl (37.3 MB)
    Collecting pip
      Using cached pip-21.3-py3-none-any.whl (1.7 MB)
    Collecting numpy==1.19.3
      Using cached numpy-1.19.3.zip (7.3 MB)
      Installing build dependencies: started
      Installing build dependencies: finished with status 'done'
      Getting requirements to build wheel: started
      Getting requirements to build wheel: finished with status 'done'
      Preparing wheel metadata (pyproject.toml): started
      Preparing wheel metadata (pyproject.toml): finished with status 'error'
      ERROR: Command errored out with exit status 1:
       command: 'C:\Users\elhou\AppData\Local\Programs\Python\Python310\python.exe' 'C:\Users\Public\Documents\Wondershare\CreatorTemp\tmpd0mzlmsj_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\Public\Documents\Wondershare\CreatorTemp\tmp4n4v980p'
           cwd: C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-pgmc7h1p\numpy_d2682aaf871f4b8c89147c1830208f42
      Complete output (204 lines):
      setup.py:67: RuntimeWarning: NumPy 1.19.3 may not yet support Python 3.10.
        warnings.warn(
      Running from numpy source directory.
      setup.py:480: UserWarning: Unrecognized setuptools command, proceeding with generating Cython sources and expanding templates
        run_build = parse_setuppy_commands()
      C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-pgmc7h1p\numpy_d2682aaf871f4b8c89147c1830208f42\tools\cythonize.py:67: DeprecationWarning: The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential 
  alternatives
        from distutils.version import LooseVersion
      Processing numpy/random\_bounded_integers.pxd.in
      Processing numpy/random\bit_generator.pyx
      Processing numpy/random\mtrand.pyx
      Processing numpy/random\_bounded_integers.pyx.in
      Processing numpy/random\_common.pyx
      Processing numpy/random\_generator.pyx
      Processing numpy/random\_mt19937.pyx
      Processing numpy/random\_pcg64.pyx
      Processing numpy/random\_philox.pyx
      Processing numpy/random\_sfc64.pyx
      Cythonizing sources
      blas_opt_info:
      blas_mkl_info:
      No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
      customize MSVCCompiler
        libraries mkl_rt not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
        NOT AVAILABLE
  
      blis_info:
        libraries blis not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
        NOT AVAILABLE
  
      openblas_info:
        libraries openblas not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
      get_default_fcompiler: matching types: '['gnu', 'intelv', 'absoft', 'compaqv', 'intelev', 'gnu95', 'g95', 'intelvem', 'intelem', 'flang']'
      customize GnuFCompiler
      Could not locate executable g77
      Could not locate executable f77
      customize IntelVisualFCompiler
      Could not locate executable ifort
      Could not locate executable ifl
      customize AbsoftFCompiler
      Could not locate executable f90
      customize CompaqVisualFCompiler
      Could not locate executable DF
      customize IntelItaniumVisualFCompiler
      Could not locate executable efl
      customize Gnu95FCompiler
      Could not locate executable gfortran
      Could not locate executable f95
      customize G95FCompiler
      Could not locate executable g95
      customize IntelEM64VisualFCompiler
      customize IntelEM64TFCompiler
      Could not locate executable efort
      Could not locate executable efc
      customize PGroupFlangCompiler
      Could not locate executable flang
      don't know how to compile Fortran code on platform 'nt'
        NOT AVAILABLE
  
      atlas_3_10_blas_threads_info:
      Setting PTATLAS=ATLAS
        libraries tatlas not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
        NOT AVAILABLE
  
      atlas_3_10_blas_info:
        libraries satlas not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
        NOT AVAILABLE
  
      atlas_blas_threads_info:
      Setting PTATLAS=ATLAS
        libraries ptf77blas,ptcblas,atlas not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
        NOT AVAILABLE
  
      atlas_blas_info:
        libraries f77blas,cblas,atlas not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
        NOT AVAILABLE
  
      accelerate_info:
        NOT AVAILABLE
  </code></pre>
  <pre><code>C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-pgmc7h1p\numpy_d2682aaf871f4b8c89147c1830208f42\numpy\distutils\system_info.py:1914: UserWarning:
      Optimized (vendor) Blas libraries are not found.
      Falls back to netlib Blas library which has worse performance.
      A better performance should be easily gained by switching
      Blas library.
    if self._calc_info(blas):
  blas_info:
    libraries blas not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
    NOT AVAILABLE
  
  C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-pgmc7h1p\numpy_d2682aaf871f4b8c89147c1830208f42\numpy\distutils\system_info.py:1914: UserWarning:
      Blas (http://www.netlib.org/blas/) libraries not found.
      Directories to search for the libraries can be specified in the
      numpy/distutils/site.cfg file (section [blas]) or by setting
      the BLAS environment variable.
    if self._calc_info(blas):
  blas_src_info:
    NOT AVAILABLE
  
  C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-pgmc7h1p\numpy_d2682aaf871f4b8c89147c1830208f42\numpy\distutils\system_info.py:1914: UserWarning:
      Blas (http://www.netlib.org/blas/) sources not found.
      Directories to search for the sources can be specified in the
      numpy/distutils/site.cfg file (section [blas_src]) or by setting
      the BLAS_SRC environment variable.
    if self._calc_info(blas):
    NOT AVAILABLE
  
  non-existing path in 'numpy\\distutils': 'site.cfg'
  lapack_opt_info:
  lapack_mkl_info:
    libraries mkl_rt not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
    NOT AVAILABLE
  
  openblas_lapack_info:
    libraries openblas not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
    NOT AVAILABLE
  
  openblas_clapack_info:
    libraries openblas,lapack not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
    NOT AVAILABLE
  
  flame_info:
    libraries flame not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
    NOT AVAILABLE
  
  atlas_3_10_threads_info:
  Setting PTATLAS=ATLAS
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries tatlas,tatlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries lapack_atlas not found in C:\
    libraries tatlas,tatlas not found in C:\
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
    libraries tatlas,tatlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
  &lt;class 'numpy.distutils.system_info.atlas_3_10_threads_info'&gt;
    NOT AVAILABLE
  
  atlas_3_10_info:
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries satlas,satlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries lapack_atlas not found in C:\
    libraries satlas,satlas not found in C:\
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
    libraries satlas,satlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
  &lt;class 'numpy.distutils.system_info.atlas_3_10_info'&gt;
    NOT AVAILABLE
  
  atlas_threads_info:
  Setting PTATLAS=ATLAS
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries ptf77blas,ptcblas,atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries lapack_atlas not found in C:\
    libraries ptf77blas,ptcblas,atlas not found in C:\
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
    libraries ptf77blas,ptcblas,atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
  &lt;class 'numpy.distutils.system_info.atlas_threads_info'&gt;
    NOT AVAILABLE
  
  atlas_info:
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries f77blas,cblas,atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib
    libraries lapack_atlas not found in C:\
    libraries f77blas,cblas,atlas not found in C:\
    libraries lapack_atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
    libraries f77blas,cblas,atlas not found in C:\Users\elhou\AppData\Local\Programs\Python\Python310\libs
  &lt;class 'numpy.distutils.system_info.atlas_info'&gt;
    NOT AVAILABLE
  
  lapack_info:
    libraries lapack not found in ['C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\lib', 'C:\\', 'C:\\Users\\elhou\\AppData\\Local\\Programs\\Python\\Python310\\libs']
    NOT AVAILABLE
  
  C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-pgmc7h1p\numpy_d2682aaf871f4b8c89147c1830208f42\numpy\distutils\system_info.py:1748: UserWarning:
      Lapack (http://www.netlib.org/lapack/) libraries not found.
      Directories to search for the libraries can be specified in the
      numpy/distutils/site.cfg file (section [lapack]) or by setting
      the LAPACK environment variable.
    return getattr(self, '_calc_info_{}'.format(name))()
  lapack_src_info:
    NOT AVAILABLE
  
  C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-pgmc7h1p\numpy_d2682aaf871f4b8c89147c1830208f42\numpy\distutils\system_info.py:1748: UserWarning:
      Lapack (http://www.netlib.org/lapack/) sources not found.
      Directories to search for the sources can be specified in the
      numpy/distutils/site.cfg file (section [lapack_src]) or by setting
      the LAPACK_SRC environment variable.
    return getattr(self, '_calc_info_{}'.format(name))()
    NOT AVAILABLE
  
  numpy_linalg_lapack_lite:
    FOUND:
      language = c
      define_macros = [('HAVE_BLAS_ILP64', None), ('BLAS_SYMBOL_SUFFIX', '64_')]
  
  C:\Users\elhou\AppData\Local\Programs\Python\Python310\lib\distutils\dist.py:274: UserWarning: Unknown distribution option: 'define_macros'
    warnings.warn(msg)
  running dist_info
  running build_src
  build_src
  building py_modules sources
  creating build
  creating build\src.win-amd64-3.10
  creating build\src.win-amd64-3.10\numpy
  creating build\src.win-amd64-3.10\numpy\distutils
  building library &quot;npymath&quot; sources
  error: Microsoft Visual C++ 14.0 is required. Get it with &quot;Build Tools for Visual Studio&quot;: https://visualstudio.microsoft.com/downloads/
  
  
  WARNING: Discarding https://files.pythonhosted.org/packages/cb/c0/7b3d69e6ee68bc54c97ba51f8c3c3e43ff1dbc7bd97347cc19a1f944e60a/numpy-1.19.3.zip#sha256=35bf5316af8dc7c7db1ad45bec603e5fb28671beb98ebd1d65e8059efcfd3b72 (from https://pypi.org/simple/numpy/) (requires-python:&gt;=3.6). Command errored out with exit status 1: 'C:\Users\elhou\AppData\Local\Programs\Python\Python310\python.exe' 'C:\Users\Public\Documents\Wondershare\CreatorTemp\tmpd0mzlmsj_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\Public\Documents\Wondershare\CreatorTemp\tmp4n4v980p' Check the logs for full command output.
    ERROR: Could not find a version that satisfies the requirement numpy==1.19.3 (from versions: 1.3.0, 1.4.1, 1.5.0, 1.5.1, 1.6.0, 1.6.1, 1.6.2, 1.7.0, 1.7.1, 1.7.2, 1.8.0, 1.8.1, 1.8.2, 1.9.0, 1.9.1, 1.9.2, 1.9.3, 1.10.0.post2, 1.10.1, 1.10.2, 1.10.4, 1.11.0, 1.11.1, 1.11.2, 1.11.3, 1.12.0, 1.12.1, 1.13.0rc1, 1.13.0rc2, 1.13.0, 1.13.1, 1.13.3, 1.14.0rc1, 1.14.0, 1.14.1, 1.14.2, 1.14.3, 1.14.4, 1.14.5, 1.14.6, 1.15.0rc1, 1.15.0rc2, 1.15.0, 1.15.1, 1.15.2, 1.15.3, 1.15.4, 1.16.0rc1, 1.16.0rc2, 1.16.0, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5, 1.16.6, 1.17.0rc1, 1.17.0rc2, 1.17.0, 1.17.1, 1.17.2, 1.17.3, 1.17.4, 1.17.5, 1.18.0rc1, 1.18.0, 1.18.1, 1.18.2, 1.18.3, 1.18.4, 1.18.5, 1.19.0rc1, 1.19.0rc2, 1.19.0, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.19.5, 1.20.0rc1, 1.20.0rc2, 1.20.0, 1.20.1, 1.20.2, 1.20.3, 1.21.0rc1, 1.21.0rc2, 1.21.0, 1.21.1, 1.21.2)
    ERROR: No matching distribution found for numpy==1.19.3
  
  WARNING: Discarding https://files.pythonhosted.org/packages/01/9b/be08992293fb21faf35ab98e06924d7407fcfca89d89c5de65442631556a/opencv-python-4.5.3.56.tar.gz#sha256=3c001d3feec7f3140f1fb78dfc52ca28122db8240826882d175a208a89d2731b (from https://pypi.org/simple/opencv-python/) (requires-python:&gt;=3.6). Command errored out with exit status 1: 'C:\Users\elhou\AppData\Local\Programs\Python\Python310\python.exe' 'C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-standalone-pip-dm79q0l_\__env_pip__.zip\pip' install --ignore-installed --no-user --prefix 'C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-build-env-p0x2hoqn\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel scikit-build cmake pip 'numpy==1.13.3; python_version=='&quot;'&quot;'3.6'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.19.3; python_version&gt;='&quot;'&quot;'3.6'&quot;'&quot;' and sys_platform == '&quot;'&quot;'linux'&quot;'&quot;' and platform_machine == '&quot;'&quot;'aarch64'&quot;'&quot;'' 'numpy==1.21.0; python_version&gt;='&quot;'&quot;'3.6'&quot;'&quot;' and sys_platform == '&quot;'&quot;'darwin'&quot;'&quot;' and platform_machine == '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.14.5; python_version=='&quot;'&quot;'3.7'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.17.3; python_version=='&quot;'&quot;'3.8'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;'' 'numpy==1.19.3; python_version&gt;='&quot;'&quot;'3.9'&quot;'&quot;' and platform_machine != '&quot;'&quot;'aarch64'&quot;'&quot;' and platform_machine != '&quot;'&quot;'arm64'&quot;'&quot;'' Check the logs for full command output.
    Using cached opencv-python-4.5.1.48.tar.gz (88.3 MB)
  ERROR: Operation cancelled by user
  </code></pre>