PowerToys/PythonEnv/2.7/Scripts/activate.ps1
2013-12-21 01:22:42 +08:00

149 lines
7.9 KiB
PowerShell

# This file must be dot sourced from PoSh; you cannot run it
# directly. Do this: . ./activate.ps1
# FIXME: clean up unused vars.
$script:THIS_PATH = $myinvocation.mycommand.path
$script:BASE_DIR = split-path (resolve-path "$THIS_PATH/..") -Parent
$script:DIR_NAME = split-path $BASE_DIR -Leaf
function global:deactivate ( [switch] $NonDestructive ){
if ( test-path variable:_OLD_VIRTUAL_PATH ) {
$env:PATH = $variable:_OLD_VIRTUAL_PATH
remove-variable "_OLD_VIRTUAL_PATH" -scope global
}
if ( test-path function:_old_virtual_prompt ) {
$function:prompt = $function:_old_virtual_prompt
remove-item function:\_old_virtual_prompt
}
if ($env:VIRTUAL_ENV) {
$old_env = split-path $env:VIRTUAL_ENV -leaf
remove-item env:VIRTUAL_ENV -erroraction silentlycontinue
}
if ( !$NonDestructive ) {
# Self destruct!
remove-item function:deactivate
}
}
# unset irrelevant variables
deactivate -nondestructive
$VIRTUAL_ENV = $BASE_DIR
$env:VIRTUAL_ENV = $VIRTUAL_ENV
$global:_OLD_VIRTUAL_PATH = $env:PATH
$env:PATH = "$env:VIRTUAL_ENV/Scripts;" + $env:PATH
function global:_old_virtual_prompt { "" }
$function:_old_virtual_prompt = $function:prompt
function global:prompt {
# Add a prefix to the current prompt, but don't discard it.
write-host "($(split-path $env:VIRTUAL_ENV -leaf)) " -nonewline
& $function:_old_virtual_prompt
}
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# SIG # End signature block