84 lines
2.9 KiB
Bash
Executable File
84 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# this script is run by GitHub Actions in a plain `focal` container; it
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# - installs the minimal system requirements, and poetry;
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# - patches the project definition file to refer to old versions only;
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# - creates a venv with these old versions using poetry; and finally
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# - invokes `trial` to run the tests with old deps.
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# Prevent tzdata from asking for user input
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export DEBIAN_FRONTEND=noninteractive
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set -ex
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apt-get update
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apt-get install -y \
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python3 python3-dev python3-pip python3-venv pipx \
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libxml2-dev libxslt-dev xmlsec1 zlib1g-dev libjpeg-dev libwebp-dev
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export LANG="C.UTF-8"
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# Prevent virtualenv from auto-updating pip to an incompatible version
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export VIRTUALENV_NO_DOWNLOAD=1
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# TODO: in the future, we could use an implementation of
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# https://github.com/python-poetry/poetry/issues/3527
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# https://github.com/pypa/pip/issues/8085
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# to select the lowest possible versions, rather than resorting to this sed script.
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# Patch the project definitions in-place:
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# - Replace all lower and tilde bounds with exact bounds
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# - Replace all caret bounds---but not the one that defines the supported Python version!
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# - Delete all lines referring to psycopg2 --- so no testing of postgres support.
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# - Use pyopenssl 17.0, which is the oldest version that works with
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# a `cryptography` compiled against OpenSSL 1.1.
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# - Omit systemd: we're not logging to journal here.
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# TODO: also replace caret bounds, see https://python-poetry.org/docs/dependency-specification/#version-constraints
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# We don't use these yet, but IIRC they are the default bound used when you `poetry add`.
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# The sed expression 's/\^/==/g' ought to do the trick. But it would also change
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# `python = "^3.7"` to `python = "==3.7", which would mean we fail because olddeps
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# runs on 3.8 (#12343).
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sed -i \
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-e "s/[~>]=/==/g" \
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-e '/^python = "^/!s/\^/==/g' \
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-e "/psycopg2/d" \
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-e 's/pyOpenSSL = "==16.0.0"/pyOpenSSL = "==17.0.0"/' \
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-e '/systemd/d' \
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pyproject.toml
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# Use poetry to do the installation. This ensures that the versions are all mutually
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# compatible (as far the package metadata declares, anyway); pip's package resolver
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# is more lax.
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#
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# Rather than `poetry install --no-dev`, we drop all dev dependencies from the
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# toml file. This means we don't have to ensure compatibility between old deps and
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# dev tools.
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pip install --user toml
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REMOVE_DEV_DEPENDENCIES="
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import toml
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with open('pyproject.toml', 'r') as f:
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data = toml.loads(f.read())
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del data['tool']['poetry']['dev-dependencies']
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with open('pyproject.toml', 'w') as f:
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toml.dump(data, f)
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"
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python3 -c "$REMOVE_DEV_DEPENDENCIES"
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pipx install poetry==1.1.12
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~/.local/bin/poetry lock
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echo "::group::Patched pyproject.toml"
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cat pyproject.toml
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echo "::endgroup::"
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echo "::group::Lockfile after patch"
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cat poetry.lock
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echo "::endgroup::"
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~/.local/bin/poetry install -E "all test"
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~/.local/bin/poetry run trial --jobs=2 tests
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