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Ran 23 Sep 2020 02:22AM UTC

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Files 436

Run time 1min

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Build # 35553

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push

travis-ci-com

Committed by

web-flow

Commit Message

Fix MyPy with Python 2-only third-party requirements (#10820)

Closes https://github.com/pantsbuild/pants/issues/10819.

Turns out that when using `--pex-path` with PEX, it will expect for every requirement to have a wheel that is compatible with the current interpreter, unless you set `PEX_IGNORE_ERRORS`. This means that it is naively not safe to resolve requirements with Python 2, but run MyPy with Python 3.5+.

Likewise, it is not safe to resolve requirements with Python 3.6 but run MyPy with Python 3.7.

Instead, we generally use the same interpreter constraints for the requirements when creating the tool pex. However, if the requirements have any Python 2 code—or the user set `--mypy-interpreter-constraints`—then we will let the two sets diverge, and we'll set `PEX_IGNORE_ERRORS`.

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Jobs

ID	Job ID	Ran	Files	Coverage
5	35553.5 (PANTS_CONFIG_FILES="${TRAVIS_BUILD_DIR}/pants.travis-ci.toml" PANTS_DYNAMIC_UI=false LC_ALL="en_US.UTF-8" AWS_BUCKET=ci-public.pantsbuild.org BOOTSTRAPPED_PEX_KEY_PREFIX=daily/${TRAVIS_BUILD_NUMBER}/${TRAVIS_BUILD_ID}/pants.pex NATIVE_ENGINE_SO_KEY_PREFIX=monthly/native_engine_so PYENV_PY27_VERSION=2.7.18 PYENV_PY36_VERSION=3.6.10 PYENV_PY37_VERSION=3.7.7 PYENV_PY38_VERSION=3.8.3 PYENV_ROOT_OSX=${HOME}/.pants_pyenv PYENV_ROOT="${PYENV_ROOT:-${PYENV_ROOT_OSX}}" PATH="${PYENV_ROOT}/shims:${PATH}" AWS_CLI_ROOT="${HOME}/.aws_cli" AWS_ACCESS_KEY_ID__TO_BE_REEXPORTED_ON_DEPLOYS=AKIAV6A6G7RQ2HFZ5KP7 AWS_SECRET_ACCESS_KEY=[secure] RUST_BACKTRACE="all" BOOTSTRAPPED_PEX_KEY_SUFFIX=py36.linux PANTS_REMOTE_CA_CERTS_PATH=/usr/lib/google-cloud-sdk/lib/third_party/grpc/_cython/_credentials/roots.pem CACHE_NAME=python_tests.py36)	23 Sep 2020 02:22AM UTC	0	0.0	Travis Job 35553.5

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