How to Setup OpenCV in Python 3.6 Virtual Environment | Windows 7

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Part 1

I am shooting this video
just to remind myself
how to install OpenCV
in Python 3.6 Virtual Environment

First of all
we need to download the OpenCV wheel file
From Christoph Kolhke's website
we can find out the OpenCV wheel file by
pressing Ctrl + F
Simply doubleclick the version that fits your Python
and you're good to go

It's going to take a while to download
Just be patient

Remember the location that you saved the wheel file
we need the path later for installation

Part 2

If you haven't setup your Python virtual environment
you can watch from the 9th second to 1 min 16 of this clip
for the setup

Part 3

Once we've setup virtualenv
we move on to creating the details
First of all
go to the command prompt
Let's say our virtual environment folder sits inside D drive

In D drive
we create a folder called "graphics"
The folder name can be anything
Since I am using this environment for graphics
I just name it "graphics"

Here
we need to go to the "graphics" folder
simply type
CD graphics

Inside the graphics folder
we install our virtual environment with the name
"testGraphics"
so
we type
virtualenv --no-site-packages testGraphics

Hit [Enter]
and it starts downloading

Now
we're ready to setup OpenCV

Part 4

Before we setup the OpenCV
we need to activate our virtual environment

Go back to command prompt
Go to D drive
where our environment sits
and type
.\graphics\testGraphics\Scripts\activate.bat

Get to the OpenCV wheel file location
which is Downloads in F drive
Simply type
cd Downloads

Click back to the Downloads folder
and look for wheel file's name
Then go back to command prompt
and type
pip install "opencv_python-3.2.0-cp36-cp36m-win_amd64.whl"

Hit [Enter]
and the installation process begins

Once we get OpenCV setup
we can test our environment

Go back to command prompt
type CD\ to go back to top of D drive
then type
python -m idlelib.idle
to get to the command prompt

Remember we also need
matplotlib and numpy
simply pip install them respectively

Once we get that done
go back to Python idle
and import
cv2
matplotlib
and numpy

If you don't see error message
then you're good to go