mirror of
https://github.com/vale981/poetry2nix
synced 2025-03-06 01:31:39 -05:00
60 lines
2.3 KiB
Bash
Executable file
60 lines
2.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Generates `poetry_<dep>_<version>.lock` from `pyproject.toml` and an overriding
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# `versions.json` (the original `pyproject.toml` MUST accept `poetry.lock`
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# WITHOUT MODIFICATION, NOT enforced by this script)
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#
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# This is useful to ensure a package is well-integrated across multiple versions
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#
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# Requires `nixpkgs#yq-go`, `nixpkgs#nix`, `nixpkgs#poetry`
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set -euo pipefail
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# The first command-line argument is the path to the pyproject.toml file
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pyprojectFile="${1:-"${PWD}/pyproject.toml"}"
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# The second command-line argument is a JSON string with the dependency-version mapping
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depVersionsJson="${2:-"${PWD}/versions.json"}"
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# Function to update pyproject.toml with the new version for a given dependency
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update_pyproject() {
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local dep="${1}"
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local version="$2"
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tmp=$(mktemp -d)
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echo "update ${dep} @ ${version} at $tmp"
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pyproject_json="${tmp}/pyproject.json" # since yq can't output complex toml
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pyproject_toml="${tmp}/pyproject.toml"
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yq -oj ".tool.poetry.dependencies[\"$dep\"] = \"$version\"" "$pyprojectFile" >"$pyproject_json"
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nix-build --expr "let pkgs = import <nixpkgs> {}; in (pkgs.formats.toml {}).generate \"dummy\" (builtins.fromJSON (builtins.readFile ${pyproject_json}))" -o $pyproject_toml
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poetry_lock="${tmp}/poetry.lock"
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pushd $tmp && poetry lock && popd && cp "$poetry_lock" "${PWD}/poetry_${dep}_${version}.lock"
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}
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pyproject_pin_check() {
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# note that previously pinned `poetry.lock` from `pyproject.toml` might
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# be acceptable, but say, a future (now current) version of `foo` now
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# depends on `bar >= 1.0.0`, where our `pyproject.toml` pins `bar = 0.4.0`,
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# `update_pyproject` will fail. This checks for the sanity of `pyproject.toml`
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# before we variate the versions within this `pyproject.toml`
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tmp=$(mktemp -d)
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cp "$pyprojectFile" "${tmp}/pyproject.toml"
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pushd $tmp && poetry lock && popd
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}
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pyproject_pin_check
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pids=()
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# Iterate over depVersions to generate new poetry.lock files
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while read -r dep_version; do
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dep=$(echo "$dep_version" | jq -r '.dep')
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version=$(echo "$dep_version" | jq -r '.version')
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echo "dep = $dep"
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echo "version = $version"
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# Update pyproject.toml with the new version for the dependency
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update_pyproject "$dep" "$version" &
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pids+=($!)
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done < <(jq -c '.[]' "$depVersionsJson")
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for pid in "${pids[@]}"; do
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wait "$pid"
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done
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