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Building the Common Python Libraries

This directory contains source for shared Python libraries that support the private data objects project.

  • pdo.common -- wrapper for the common library
    • pdo.common.crypto -- cryptographic classes and array conversion
  • pdo.test -- classes and functions to simplify test development
    • pdo.test.enclave -- enclave specific classes
      • pdo.test.helpers.contract -- contract update requests and responses
      • pdo.test.helpers.keys -- enclave and service keys
      • pdo.test.helpers.secrets -- provisioning secrets and contract state encryption keys

Preliminaries

The common Python library depends on the C++ common library. First build the C++ library using the build instructions here.

It is highly recommended that you build a Python virtual environment where you can install the common Python modules. The rest of these instructions assume that you have set up a virtual environment for Python3 and have activated it.

Build the Modules

Quick way to build (& install):

make && make install

Details of what makefile does ... The extension modules must be built first:

python setup.py build_ext

Next, build the installable egg file:

python setup.py bdist_egg

If you want to remove files created during the build process, use the clean --all setup command:

python setup.py clean --all

Assuming that you have activated a virtual environment, the modules can be installed with easy_install.

easy_install dist/pdo_common_library-0.1.0-py3.6-linux-x86_64.egg

Test the Module

If everything is set up correctly, you should be able to run the common crypto wrapper test:

cd ../common/tests
python test_cryptoWrapper.py