Installation under Windows pycocotools

Installation under Windows pycocotools when the package, met a lot of pits, this article we want to make less go a little detour. pycocotools author never even consider windows version.

• Installation pycocotools

COCO Address: https://github.com/cocodataset/cocoapi
Gangster rewritten support for Windows COCO Address: https://github.com/philferriere/cocoapi

Option One

CMD terminal installed using pip:

pip install git+https://github.com/philferriere/cocoapi.git#subdirectory=PythonAPI

Option II

https://github.com/philferriere/cocoapi download the source code, and unzip it. CMD as administrator open a terminal and switch to the cocoapi\PythonAPIdirectory. Run the following command:

# install pycocotools locally
python setup.py build_ext --inplace
 
# install pycocotools to the Python site-packages
python setup.py build_ext install

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• Attached: installation problems encountered

1, the mounting environmental problems

error: command 'cl.exe' failed: No such file or directory
// 或者
error: Unable to find vcvarsall.bat
// 或者
error: Microsoft Visual C++ 14.0 is required.

error: command 'cl.exe' failed: No such file or directory

pip install git+https://github.com/philferriere/cocoapi.git#subdir

Because there is no Visual C ++ compiler environment. Solution:
install Build Tools for Visual Studio 2017 (2015 version and later on the line, do not need to install the entire vs)

vs2015

2, Wno-cpp and Wno-unused-function problems

cl: Command line error D8021: Invalid numerical parameters "/ Wno-cpp" and cl: Command line error D8021: Invalid numerical parameters "/ Wno-unused-function

Solution: Delete cocoapi\PythonAPI\setup.pyin the Wno-cpp and Wno-unused-function parameters.

Delete Wno-cpp parameters