Init

Author: EC2 Default User

build.sh

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+#!/bin/bash
+
+# Setting up build env
+yum update -y
+yum install -y git cmake gcc-c++ gcc python-devel chrpath
+mkdir lambda-package build
+
+# Build numpy
+pip install --install-option="--prefix=$PWD/build" numpy
+mv build/lib64/python2.7/site-packages/numpy lambda-package
+
+# Build OpenCV 3.1
+(
+	NUMPY=$PWD/lambda-package/numpy/core/include
+	cd build
+	git clone https://github.com/Itseez/opencv.git
+	cd opencv
+	git checkout 3.1.0
+	cmake										\
+		-D CMAKE_BUILD_TYPE=RELEASE				\
+		-D WITH_TBB=ON							\
+		-D WITH_IPP=ON							\
+		-D WITH_V4L=ON							\
+		-D ENABLE_AVX=ON						\
+		-D ENABLE_SSE42=ON						\
+		-D ENABLE_POPCNT=ON						\
+		-D ENABLE_FAST_MATH=ON					\
+		-D BUILD_EXAMPLES=OFF					\
+		-D PYTHON2_NUMPY_INCLUDE_DIRS="$NUMPY"	\
+		.
+	make
+)
+mkdir lambda-package/cv2
+cp `find opencv/lib "*.so*" -type f` lambda-package/cv2
+strip --strip-all lambda-package/cv2/*
+chrpath -r '$ORIGIN' lambda-package/cv2/cv2.so
+cp ressources/__init.py__ lambda-package/cv2
+
+# Copy template function and zip package
+cp ressources/template.py lambda-package/lambda_function.py
+zip -r lambda-package.zip lambda-package/*

ressources/__init__.py

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+import pkg_resources
+import imp
+
+__file__ = pkg_resources.resource_filename(__name__, "cv2.so")
+imp.load_dynamic(__name__, __file__)

ressources/template.py

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+import cv2
+
+def lambda_handler(event, context):
+    print "OpenCV installed version:", cv2.__version__
+    return "It works!"
+
+if __name__ == "__main__":
+    lambda_handler(42, 42)