mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
Casey Faist
49 lines
1.6 KiB
Bash
Executable File
49 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# fail hard
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set -o pipefail
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# fail harder
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set -eu
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OUT_PREFIX=$1
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BIN_DIR="$(cd "$(dirname "$0")"/../.. || exit; pwd)/bin"
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export BIN_DIR
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# Orient ourselves and build download link
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dep_formula=${0#$WORKSPACE_DIR/} # this is the original script, e.g. pypy-5.3.1
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BASE=${dep_formula##*/} # this gives us relative path
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python_version=${BASE^} # this gives us only the filename with version number
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version_number=$(echo "$python_version" | cut -d- -f2) # this returns just X.X.X
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dep_url=https://python.org/ftp/python/${version_number}/${python_version}.tgz
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# Install SQLITE, as headers are not available out of the box on the stack
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apt-get install libsqlite3-dev
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needed=( libsqlite3-dev )
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if [[ $STACK != "heroku-16" && $STACK != "heroku-16" ]]; then
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needed+=( realpath )
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# Check whether our packages are missing on the stack
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missing=$(comm -1 -3 <(dpkg-query -W -f '${package}\n' | sort) <(IFS=$'\n'; echo "${needed[*]}" | sort))
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if [[ "$missing" ]]; then
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# install missing and needed packages
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apt-get update -qq || { echo "Failed to 'apt-get update'. You must build this formula using Docker."; exit 1; }
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apt-get install -q -y $missing
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fi
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curl -L "${dep_url}" | tar xz -C "${OUT_PREFIX}"
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mv "${OUT_PREFIX}/${python_version}" src
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cd src
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./configure --prefix=$OUT_PREFIX --with-ensurepip=no
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make
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make install
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# Remove unneeded test directories, similar to the official Docker Python images:
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# https://github.com/docker-library/python
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find "${OUT_PREFIX}" \( -type d -a \( -name test -o -name tests \) \) -exec rm -rf '{}' +
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# Remove spare /
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LOCATION=${OUT_PREFIX%?}
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ln $LOCATION/bin/python3 $LOCATION/bin/python
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