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CONTRIBUTING.md

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Contributing to Pyjion

Code of Conduct

This project's code of conduct can be found in the CODE_OF_CONDUCT.md file (v1.4.0 of the http://contributor-covenant.org/ CoC).

CLA

If your contribution is large enough you will be asked to sign the Microsoft CLA (the CLA bot will tell you if it's necessary).

Development

Pre-Reqs (all of which need to be reachable on your PATH)

Getting Started

This repository uses Git submodules, which means the best way to clone this repository is with the --recursive flag:

git clone --recursive https://github.com/Microsoft/Pyjion.git

Patching dependencies

Run PatchDeps.bat to patch Python to have JIT support and CoreCLR to disable COM support.

Build Dependencies

Run BuildDeps.cmd to build CoreCLR and Python (which includes downloading Python's dependencies).

Building

  • From Visual Studio
    1. Open the pyjion.sln file
    2. Build the solution (should default to a debug build for x64)
  • Using the "Developer Command Prompt for VS"
    1. Run DebugBuild.bat
  • Run CopyFiles.bat to copy files to key locations

Testing

  1. Run x64\Debug\Test.exe
  2. Run x64\Debug\Tests.exe
  3. Run Python\python.bat -m test -n -f Tests\python_tests.txt

Running

  1. Copy x64\Debug\pyjit.dll to Python\PCbuild\amd64\ (initially done by CopyFiles.bat, so only do as necessary after rebuilding Pyjion)
  2. Go into the Python directory and launch python.bat

Faster development loop

Once you have done the above steps you can avoid running them again during development in most situations. The commands discussed in this section assume they are run from a Developer Command Prompt for VS for access to msbuild.

The BuildDebugPython.bat file will build CPython in debug mode for x64 as well as copy the appropriate files where they need to be to run Pyjion's tests. The DebugBuild.bat file will build Pyjion in debug mode for x64 and copy the appropriate files to CPython for use in testing.

Known Issues

You'll need to run git clean -d -f -x in CoreCLR when switching between release and debug builds.