2012-08-31 02:23:41 -04:00
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#!/usr/bin/env bash
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2013-01-18 03:41:41 -05:00
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#
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# Summary: Display the full path to an executable
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#
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# Usage: pyenv which <command>
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#
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# Displays the full path to the executable that pyenv will invoke when
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# you run the given command.
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2012-08-31 02:23:41 -04:00
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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# Provide pyenv completions
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if [ "$1" = "--complete" ]; then
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exec pyenv shims --short
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fi
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2013-08-15 09:29:14 -04:00
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OLDIFS="$IFS"
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2012-08-31 07:12:26 -04:00
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IFS=: versions=($(pyenv-version-name))
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2012-09-07 06:16:42 -04:00
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IFS=: PYENV_VERSION="${versions[*]}"
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2013-08-15 09:29:14 -04:00
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IFS="$OLDIFS"
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2012-08-31 02:23:41 -04:00
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PYENV_COMMAND="$1"
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if [ -z "$PYENV_COMMAND" ]; then
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2013-01-18 03:41:41 -05:00
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pyenv-help --usage which >&2
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2012-08-31 02:23:41 -04:00
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exit 1
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fi
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2012-09-07 06:16:42 -04:00
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for version in "${versions[@]}"; do
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2012-08-31 06:39:29 -04:00
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if [ "$version" = "system" ]; then
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Optimize pyenv-which: implement remove_from_path in Bash
This greatly improves the performance of `pyenv virtualenvwrapper_lazy`,
which happens to call pyenv-which a lot.
For profiling I've initially used:
% zmodload zsh/zprof
% eval "$(pyenv init -)"
% pyenv virtualenvwrapper_lazy
Before:
% zprof|grep -E '(pyenv|virtualenv)'
1) 1 754,07 754,07 58,95% 751,50 751,50 58,75% pyenv
21) 1 2,57 2,57 0,20% 2,57 2,57 0,20% virtualenvwrapper_setup_lazy_loader
1) 1 754,07 754,07 58,95% 751,50 751,50 58,75% pyenv
1/1 2,57 2,57 0,20% 2,57 2,57 virtualenvwrapper_setup_lazy_loader [21]
1/1 2,57 2,57 0,20% 2,57 2,57 pyenv [1]
21) 1 2,57 2,57 0,20% 2,57 2,57 0,20% virtualenvwrapper_setup_lazy_loader
After:
% zprof|grep -E '(pyenv|virtualenv)'
1) 1 383,30 383,30 27,97% 380,88 380,88 27,79% pyenv
31) 1 2,42 2,42 0,18% 2,42 2,42 0,18% virtualenvwrapper_setup_lazy_loader
1) 1 383,30 383,30 27,97% 380,88 380,88 27,79% pyenv
1/1 2,42 2,42 0,18% 2,42 2,42 virtualenvwrapper_setup_lazy_loader [31]
1/1 2,42 2,42 0,18% 2,42 2,42 pyenv [1]
31) 1 2,42 2,42 0,18% 2,42 2,42 0,18% virtualenvwrapper_setup_lazy_loader
Fixes https://github.com/yyuu/pyenv-virtualenvwrapper/issues/13
2014-03-13 09:59:33 -04:00
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# Remove shims from PATH:
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_path=":$PATH:"
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_remove="${PYENV_ROOT}/shims"
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_path="${_path//:$_remove:/:}"
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PYENV_COMMAND_PATH="$(PATH=$_path command -v "$PYENV_COMMAND" || true)"
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2012-08-31 03:09:46 -04:00
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else
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2012-08-31 06:39:29 -04:00
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PYENV_COMMAND_PATH="${PYENV_ROOT}/versions/${version}/bin/${PYENV_COMMAND}"
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2012-12-19 09:58:39 -05:00
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fi
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if [ -x "$PYENV_COMMAND_PATH" ]; then
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break
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2012-08-31 03:09:46 -04:00
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fi
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done
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2012-08-31 02:23:41 -04:00
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2014-01-02 08:26:22 -05:00
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OLDIFS="$IFS"
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IFS=$'\n' scripts=(`pyenv-hooks which`)
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IFS="$OLDIFS"
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for script in "${scripts[@]}"; do
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2012-08-31 02:23:41 -04:00
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source "$script"
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done
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if [ -x "$PYENV_COMMAND_PATH" ]; then
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echo "$PYENV_COMMAND_PATH"
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else
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echo "pyenv: $PYENV_COMMAND: command not found" >&2
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2013-01-18 04:57:08 -05:00
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versions="$(pyenv-whence "$PYENV_COMMAND" || true)"
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if [ -n "$versions" ]; then
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{ echo
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2013-02-06 02:05:29 -05:00
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echo "The \`$1' command exists in these Python versions:"
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2013-01-18 04:57:08 -05:00
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echo "$versions" | sed 's/^/ /g'
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echo
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} >&2
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fi
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2012-08-31 02:23:41 -04:00
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exit 127
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fi
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