mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
34 lines
1.1 KiB
Bash
Executable File
34 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This script serves as the NLTK 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](https://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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# Syntax sugar.
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source $BIN_DIR/utils
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bpwatch start nltk_download
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# Check that nltk was installed by pip, otherwise obviously not needed
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python -m nltk.downloader -h >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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puts-step "Downloading NLTK corpora..."
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nltk_packages_definition="$BUILD_DIR/nltk.txt"
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if [ -f "$nltk_packages_definition" ]; then
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nltk_packages=$(tr "\n" " " < "$nltk_packages_definition")
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puts-step "Downloading NLTK packages: $nltk_packages"
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python -m nltk.downloader -d $BUILD_DIR/.heroku/python/nltk_data $nltk_packages | indent
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set-env NLTK_DATA "/app/.heroku/python/nltk_data"
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else
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puts-warn "nltk.txt not found, not downloading any corpora"
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fi
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fi
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bpwatch stop nltk_download
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