Hello,
Could anyone provide any insight into what’s going wrong here?
I’m trying to activate a python virtualenv automatically when launching a new
fish shell.
Manually doing like below works correctly:
> fish
> . virtualenv/bin/activate.fish
But trying to do this via a script (or even in the fish config file) results in
an error:
The script, launch_virtualenv:
#!/usr/bin/env fish
. virtualenv/bin/activate.fish
fish
Running this outputs:
fish: Could not locate end of block. The 'end' command is missing, misspelled
or a ';' is missing.
/private/tmp/.psub.79274.21540 (line 1): function _old_fish_prompt
^
in . (source) call of file '/private/tmp/.psub.79274.21540',
called on line 9 of file '/Users/tim/virtualenv/bin/activate.fish',
in . (source) call of file '/Users/tim/virtualenv/bin/activate.fish',
called on line 9 of file '/Users/tim/launch_virtualenv',
source: Error while reading file '/private/tmp/.psub.79274.21540’
The activate.fish file looks like this. I realise it tells me it cannot be run
directly, but I don’t understand why and what’s different about sourcing it in
a file and sourcing it in the interactive shell.
# This file must be used with ". bin/activate.fish" *from fish*
(http://fishshell.org)
# you cannot run it directly
function deactivate -d "Exit virtualenv and return to normal shell environment"
# reset old environment variables
if test -n "$_OLD_VIRTUAL_PATH"
set -gx PATH $_OLD_VIRTUAL_PATH
set -e _OLD_VIRTUAL_PATH
end
if test -n "$_OLD_VIRTUAL_PYTHONHOME"
set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
set -e _OLD_VIRTUAL_PYTHONHOME
end
if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
functions -e fish_prompt
set -e _OLD_FISH_PROMPT_OVERRIDE
. ( begin
printf "function fish_prompt\n\t#"
functions _old_fish_prompt
end | psub )
functions -e _old_fish_prompt
end
set -e VIRTUAL_ENV
if test "$argv[1]" != "nondestructive"
# Self destruct!
functions -e deactivate
end
end
# unset irrelevant variables
deactivate nondestructive
set -gx VIRTUAL_ENV "/Users/tim/code/fa/fieldaware/fieldaware-venv"
set -gx _OLD_VIRTUAL_PATH $PATH
set -gx PATH "$VIRTUAL_ENV/bin" $PATH
# unset PYTHONHOME if set
if set -q PYTHONHOME
set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
set -e PYTHONHOME
end
if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
# fish uses a function instead of an env var to generate the prompt.
# save the current fish_prompt function as the function _old_fish_prompt
. ( begin
printf "function _old_fish_prompt\n\t#"
functions fish_prompt
end | psub )
# with the original prompt function renamed, we can override with our own.
function fish_prompt
# Prompt override?
if test -n ""
printf "%s%s%s" "" (set_color normal) (_old_fish_prompt)
return
end
# ...Otherwise, prepend env
set -l _checkbase (basename "$VIRTUAL_ENV")
if test $_checkbase = "__"
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
printf "%s[%s]%s %s" (set_color -b blue white) (basename (dirname
"$VIRTUAL_ENV")) (set_color normal) (_old_fish_prompt)
else
printf "%s(%s)%s%s" (set_color -b blue white) (basename
"$VIRTUAL_ENV") (set_color normal) (_old_fish_prompt)
end
end
set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
end
Any tips on how I might get this working?
Cheers,
Tim
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