mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
Alex Gaynor
38 lines
1.2 KiB
Bash
Executable File
38 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This script serves as the Pylibmc build step of the
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# [**Python Buildpack**](https://github.com/heroku/heroku-buildpack-python)
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# compiler.
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#
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# A [buildpack](http://devcenter.heroku.com/articles/buildpacks) is an
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# adapter between a Python application and Heroku's runtime.
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#
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# This script is invoked by [`bin/compile`](/).
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# The location of the pre-compiled libffi binary.
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VENDORED_LIBFFI="https://lang-python.s3.amazonaws.com/$STACK/libraries/vendor/libffi.tar.gz"
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PKG_CONFIG_PATH="/app/.heroku/vendor/lib/pkgconfig:$PKG_CONFIG_PATH"
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# Syntax sugar.
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source $BIN_DIR/utils
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bpwatch start libffi_install
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# If a package using cffi exists within requirements, use vendored libffi.
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if (pip-grep -s requirements.txt bcrypt cffi cryptography pyOpenSSL PyOpenSSL requests[security] &> /dev/null) then
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if [ -d ".heroku/vendor/lib/libffi-3.1.1" ]; then
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export LIBFFI=$(pwd)/vendor
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else
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echo "-----> Noticed cffi. Bootstrapping libffi."
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mkdir -p .heroku/vendor
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# Download and extract libffi into target vendor directory.
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curl $VENDORED_LIBFFI -s | tar zxv -C .heroku/vendor &> /dev/null
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export LIBFFI=$(pwd)/vendor
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fi
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fi
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bpwatch stop libffi_install
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