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1 | 1 | #!/usr/bin/env bash
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| 2 | +# this script is run by GitHub Actions in a plain `focal` container; it |
| 3 | +# - installs the minimal system requirements, and poetry; |
| 4 | +# - patches the project definition file to refer to old versions only; |
| 5 | +# - creates a venv with these old versions using poetry; and finally |
| 6 | +# - invokes `trial` to run the tests with old deps. |
2 | 7 |
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3 |
| -# this script is run by GitHub Actions in a plain `bionic` container; it installs the |
4 |
| -# minimal requirements for tox and hands over to the py3-old tox environment. |
| 8 | +# Prevent tzdata from asking for user input |
| 9 | +export DEBIAN_FRONTEND=noninteractive |
5 | 10 |
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6 | 11 | set -ex
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7 | 12 |
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8 | 13 | apt-get update
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9 |
| -apt-get install -y python3 python3-dev python3-pip libxml2-dev libxslt-dev xmlsec1 zlib1g-dev tox |
| 14 | +apt-get install -y \ |
| 15 | + python3 python3-dev python3-pip python3-venv pipx \ |
| 16 | + libxml2-dev libxslt-dev xmlsec1 zlib1g-dev libjpeg-dev libwebp-dev |
10 | 17 |
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11 | 18 | export LANG="C.UTF-8"
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12 | 19 |
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13 | 20 | # Prevent virtualenv from auto-updating pip to an incompatible version
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14 | 21 | export VIRTUALENV_NO_DOWNLOAD=1
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15 | 22 |
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16 |
| -exec tox -e py3-old,combine |
| 23 | +# TODO: in the future, we could use an implementation of |
| 24 | +# https://github.com/python-poetry/poetry/issues/3527 |
| 25 | +# https://github.com/pypa/pip/issues/8085 |
| 26 | +# to select the lowest possible versions, rather than resorting to this sed script. |
| 27 | + |
| 28 | +# Patch the project definitions in-place: |
| 29 | +# - Replace all lower and tilde bounds with exact bounds |
| 30 | +# - Make the pyopenssl 17.0, which is the oldest version that works with |
| 31 | +# a `cryptography` compiled against OpenSSL 1.1. |
| 32 | +# - Delete all lines referring to psycopg2 --- so no testing of postgres support. |
| 33 | +# - Omit systemd: we're not logging to journal here. |
| 34 | + |
| 35 | +# TODO: also replace caret bounds, see https://python-poetry.org/docs/dependency-specification/#version-constraints |
| 36 | +# We don't use these yet, but IIRC they are the default bound used when you `poetry add`. |
| 37 | +# The sed expression 's/\^/==/g' ought to do the trick. But it would also change |
| 38 | +# `python = "^3.7"` to `python = "==3.7", which would mean we fail because olddeps |
| 39 | +# runs on 3.8 (#12343). |
| 40 | + |
| 41 | +sed -i \ |
| 42 | + -e "s/[~>]=/==/g" \ |
| 43 | + -e "/psycopg2/d" \ |
| 44 | + -e 's/pyOpenSSL = "==16.0.0"/pyOpenSSL = "==17.0.0"/' \ |
| 45 | + -e '/systemd/d' \ |
| 46 | + pyproject.toml |
| 47 | + |
| 48 | +# Use poetry to do the installation. This ensures that the versions are all mutually |
| 49 | +# compatible (as far the package metadata declares, anyway); pip's package resolver |
| 50 | +# is more lax. |
| 51 | +# |
| 52 | +# Rather than `poetry install --no-dev`, we drop all dev dependencies from the |
| 53 | +# toml file. This means we don't have to ensure compatibility between old deps and |
| 54 | +# dev tools. |
| 55 | + |
| 56 | +pip install --user toml |
| 57 | + |
| 58 | +REMOVE_DEV_DEPENDENCIES=" |
| 59 | +import toml |
| 60 | +with open('pyproject.toml', 'r') as f: |
| 61 | + data = toml.loads(f.read()) |
| 62 | +
|
| 63 | +del data['tool']['poetry']['dev-dependencies'] |
| 64 | +
|
| 65 | +with open('pyproject.toml', 'w') as f: |
| 66 | + toml.dump(data, f) |
| 67 | +" |
| 68 | +python3 -c "$REMOVE_DEV_DEPENDENCIES" |
| 69 | + |
| 70 | +pipx install poetry==1.1.12 |
| 71 | +~/.local/bin/poetry lock |
| 72 | + |
| 73 | +echo "::group::Patched pyproject.toml" |
| 74 | +cat pyproject.toml |
| 75 | +echo "::endgroup::" |
| 76 | +echo "::group::Lockfile after patch" |
| 77 | +cat poetry.lock |
| 78 | +echo "::endgroup::" |
| 79 | + |
| 80 | +~/.local/bin/poetry install -E "all test" |
| 81 | +~/.local/bin/poetry run trial --jobs=2 tests |
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