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98 lines
3.0 KiB
Bash
98 lines
3.0 KiB
Bash
#!/usr/bin/env bash
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# shellcheck disable=SC2230
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2019-09-15 09:59:01 +0100 (Sun, 15 Sep 2019)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# Returns the first argument that is found as an executable in the $PATH, with preference given to local Python library installation
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#
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# Useful for Macs to find where libraries executable scripts like nosetests are, which may get installed locally in $HOME/Library/Python/2.7/bin to avoid Mac OS X System Integrity Protection
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(dirname "$0")"
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# shellcheck source=lib/utils.sh
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. "$srcdir/lib/utils.sh"
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# shellcheck source=lib/utils.sh
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#. "$srcdir/lib/python.sh"
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python="${PYTHON:-python}"
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python="$(type -P "$python")"
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python_path=""
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# finds weird things like this to make $PATH work:
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#
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# /usr/local/Cellar/numpy/1.14.5/libexec/nose/bin
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#
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# Since nose is available in brew Cellar's numpy, it doesn't get installed to ~/Library and isn't found otherwise.
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# Rather than do an --ignore-installed which could cause all sorts of other issues, just use it from wherever it is found
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#
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# $python defined in lib/python.sh
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# shellcheck disable=SC2154
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while read -r path; do
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bin="${path%/lib/python*/site-packages*}/bin"
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if [ -d "$bin" ]; then
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python_path="$bin:$python_path"
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fi
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done < <("$python" -c 'from __future__ import print_function; import sys; print("\n".join(reversed(sys.path)))' | sed '/^[[:space:]]*$/d')
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for path in ~/Library/Python/*; do
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bin="$path/bin"
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[ -d "$bin" ] || continue
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python_path="$bin:$python_path"
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done
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# prioritise our default python at the beginning of the $PATH
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python_version="$("$python" -c 'from __future__ import print_function; import sys; print("{}.{}".format(sys.version_info.major, sys.version_info.minor))')"
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bin=~/Library/Python/"$python_version"/bin
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if [ -d "$bin" ]; then
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python_path="$bin:$python_path"
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fi
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if [ $# -lt 1 ]; then
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cat <<EOF
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Find where one or more CLI programs are installed by searching all the Python library locations
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Especially useful when Python tools get installed to places not in your \$PATH - where the 'which' command can't help
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usage: ${0##*/} <program> [<program2> <program3> ...]
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EOF
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exit 1
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fi
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export PATH="$python_path:$PATH"
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set +o pipefail
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found="$(type -P "$@" | head -n 1)"
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set -o pipefail
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if [ -n "$found" ]; then
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echo "$found"
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else
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echo "no Python executable was found matching any of: $*" >&2
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echo "\$PATH searched was: $PATH" >&2
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if is_CI; then
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echo
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echo "running in CI detected, attempting to search all paths" >&2
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for x in "$@"; do
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echo "searching for $x:" >&2
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find / -type f -name "$x" 2>/dev/null || :
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done
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fi
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exit 1
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fi
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