python/virtualenv/virtualenv_embedded/activate.sh

   1 # This file must be used with "source bin/activate" *from bash*
   2 # you cannot run it directly
   3
   4 deactivate () {
   5     unset pydoc
   6
   7     # reset old environment variables
   8     if [ -n "$_OLD_VIRTUAL_PATH" ] ; then
   9         PATH="$_OLD_VIRTUAL_PATH"
  10         export PATH
  11         unset _OLD_VIRTUAL_PATH
  12     fi
  13     if [ -n "$_OLD_VIRTUAL_PYTHONHOME" ] ; then
  14         PYTHONHOME="$_OLD_VIRTUAL_PYTHONHOME"
  15         export PYTHONHOME
  16         unset _OLD_VIRTUAL_PYTHONHOME
  17     fi
  18
  19     # This should detect bash and zsh, which have a hash command that must
  20     # be called to get it to forget past commands.  Without forgetting
  21     # past commands the $PATH changes we made may not be respected
  22     if [ -n "$BASH" -o -n "$ZSH_VERSION" ] ; then
  23         hash -r 2>/dev/null
  24     fi
  25
  26     if [ -n "$_OLD_VIRTUAL_PS1" ] ; then
  27         PS1="$_OLD_VIRTUAL_PS1"
  28         export PS1
  29         unset _OLD_VIRTUAL_PS1
  30     fi
  31
  32     unset VIRTUAL_ENV
  33     if [ ! "$1" = "nondestructive" ] ; then
  34     # Self destruct!
  35         unset -f deactivate
  36     fi
  37 }
  38
  39 # unset irrelevant variables
  40 deactivate nondestructive
  41
  42 VIRTUAL_ENV="__VIRTUAL_ENV__"
  43 export VIRTUAL_ENV
  44
  45 _OLD_VIRTUAL_PATH="$PATH"
  46 PATH="$VIRTUAL_ENV/__BIN_NAME__:$PATH"
  47 export PATH
  48
  49 # unset PYTHONHOME if set
  50 # this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
  51 # could use `if (set -u; : $PYTHONHOME) ;` in bash
  52 if [ -n "$PYTHONHOME" ] ; then
  53     _OLD_VIRTUAL_PYTHONHOME="$PYTHONHOME"
  54     unset PYTHONHOME
  55 fi
  56
  57 if [ -z "$VIRTUAL_ENV_DISABLE_PROMPT" ] ; then
  58     _OLD_VIRTUAL_PS1="$PS1"
  59     if [ "x__VIRTUAL_PROMPT__" != x ] ; then
  60         PS1="__VIRTUAL_PROMPT__$PS1"
  61     else
  62     if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then
  63         # special case for Aspen magic directories
  64         # see http://www.zetadev.com/software/aspen/
  65         PS1="[`basename \`dirname \"$VIRTUAL_ENV\"\``] $PS1"
  66     else
  67         PS1="(`basename \"$VIRTUAL_ENV\"`)$PS1"
  68     fi
  69     fi
  70     export PS1
  71 fi
  72
  73 alias pydoc="python -m pydoc"
  74
  75 # This should detect bash and zsh, which have a hash command that must
  76 # be called to get it to forget past commands.  Without forgetting
  77 # past commands the $PATH changes we made may not be respected
  78 if [ -n "$BASH" -o -n "$ZSH_VERSION" ] ; then
  79     hash -r 2>/dev/null
  80 fi