通过conda 安装 python 3.7 和opencv

conda env list
# conda environments:
#
base                     /Users/interbeing/anaconda3
python37              *  /Users/interbeing/anaconda3/envs/python37



(base) andywangs-MacBook-Pro:~ interbeing$ conda create --name python37 python=3.7
Collecting package metadata: done
Solving environment: done

## Package Plan ##

  environment location: /Users/interbeing/anaconda3/envs/python37

  added / updated specs:
    - python=3.7


The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    libedit-3.1.20181209       |       hb402a30_0         159 KB
    sqlite-3.27.2              |       ha441bb4_0         2.3 MB
    ------------------------------------------------------------
                                           Total:         2.5 MB

The following NEW packages will be INSTALLED:

  ca-certificates    pkgs/main/osx-64::ca-certificates-2019.1.23-0
  certifi            pkgs/main/osx-64::certifi-2019.3.9-py37_0
  libcxx             pkgs/main/osx-64::libcxx-4.0.1-hcfea43d_1
  libcxxabi          pkgs/main/osx-64::libcxxabi-4.0.1-hcfea43d_1
  libedit            pkgs/main/osx-64::libedit-3.1.20181209-hb402a30_0
  libffi             pkgs/main/osx-64::libffi-3.2.1-h475c297_4
  ncurses            pkgs/main/osx-64::ncurses-6.1-h0a44026_1
  openssl            pkgs/main/osx-64::openssl-1.1.1b-h1de35cc_1
  pip                pkgs/main/osx-64::pip-19.0.3-py37_0
  python             pkgs/main/osx-64::python-3.7.2-haf84260_0
  readline           pkgs/main/osx-64::readline-7.0-h1de35cc_5
  setuptools         pkgs/main/osx-64::setuptools-40.8.0-py37_0
  sqlite             pkgs/main/osx-64::sqlite-3.27.2-ha441bb4_0
  tk                 pkgs/main/osx-64::tk-8.6.8-ha441bb4_0
  wheel              pkgs/main/osx-64::wheel-0.33.1-py37_0
  xz                 pkgs/main/osx-64::xz-5.2.4-h1de35cc_4
  zlib               pkgs/main/osx-64::zlib-1.2.11-h1de35cc_3


Proceed ([y]/n)? yy
Invalid choice: yy
Proceed ([y]/n)? y


Downloading and Extracting Packages
sqlite-3.27.2        | 2.3 MB    | ###################################################################################### | 100%
libedit-3.1.20181209 | 159 KB    | ###################################################################################### | 100%
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
#
# To activate this environment, use
#
#     $ conda activate python37
#
# To deactivate an active environment, use
#
#     $ conda deactivate


(base) andywangs-MacBook-Pro:~ interbeing$ conda activate python37
(python37) andywangs-MacBook-Pro:~ interbeing$ python
Python 3.7.2 (default, Dec 29 2018, 00:00:04)
[Clang 4.0.1 (tags/RELEASE_401/final)] :: Anaconda, Inc. on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>

(base) andywangs-MacBook-Pro:~ interbeing$ conda install python=3.7
Collecting package metadata: done
Solving environment: done

## Package Plan ##

  environment location: /Users/interbeing/anaconda3

  added / updated specs:
    - python=3.7


The following packages will be downloaded:

(python37) andywangs-MacBook-Pro:~ interbeing$ anaconda show menpo/opencv3
Using Anaconda API: https://api.anaconda.org
Name:    opencv3
Summary:
Access:  public
Package Types:  conda
Versions:
   + 3.1.0
   + 3.2.0

To install this package with conda run:
     conda install --channel https://conda.anaconda.org/menpo opencv3
(python37) andywangs-MacBook-Pro:~ interbeing$ conda install --channel https://conda.anaconda.org/menpo opencv3
Collecting package metadata: |

https://towardsdatascience.com/environment-management-with-conda-python-2-3-b9961a8a5097