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Editorial Team
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Asked: 2026-05-23T12:52:16+00:00

I tried to install opencv and python with port and brew. but when i

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I tried to install opencv and python with port and brew.
but when i try import cv it says “module not found”.

i have the same problem on my windows machine and just no solution works.
is there a simple step by step solution for someone who does not know all the terminal codes?
im not really a good programmer but it would be awsome to get this working.

–edit–

got it working on Windows and Mac

Mac: First uninstalled Homebrew and MacPort
restarted, installed Macport again.
then :

sudo port install opencv +universal +python26

after that i just had to install numpy.

Win7

installed

python-2.7.2.msi
OpenCV-2.2.0-win32.exe
opencv-python-2.2.0.win32-py2.7.exe
numpy-1.6.0-win32-superpack-python2.7.exe
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1 Answer

  1. Editorial Team

    When using brew, try brew info opencv, which explicitly tells you:

    The OpenCV Python module will not work until you edit your PYTHONPATH like so:
    export PYTHONPATH=”/usr/local/lib/python2.6/site-packages/:$PYTHONPATH”

    The export thing should go into your shell config. You could put this into ~/.bashrc, but the truly system-wide setting would need to be set otherwise (try Setting environment variables in OS X?).

    Or else, in your python script:

    import sys
    sys.path.insert(0, "/usr/local/lib/python2.6/site-packages/")
    import cv

    Then it should work.

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